fix: do not reload multiple tabs on block save (backport #2600) (#2704)

This handles loading errors when opening the course unit page via direct link as an unauthorized user.

Co-authored-by: Ihor Romaniuk <ihor.romaniuk@raccoongang.com>

codecov.yml

@@ -10,4 +10,5 @@ coverage:
         threshold: 0%
 ignore:
   - "src/grading-settings/grading-scale/react-ranger.js"
+  - "src/generic/DraggableList/verticalSortableList.ts"
   - "src/index.js"

src/advanced-settings/data/api.js

@@ -1,5 +1,10 @@
-import { camelCaseObject, getConfig } from '@edx/frontend-platform';
+/* eslint-disable import/prefer-default-export */
+import {
+  camelCaseObject,
+  getConfig,
+} from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { camelCase } from 'lodash';
 import { convertObjectToSnakeCase } from '../../utils';
 
 const getApiBaseUrl = () => getConfig().STUDIO_BASE_URL;
@@ -14,7 +19,19 @@ const getProctoringErrorsApiUrl = () => `${getApiBaseUrl()}/api/contentstore/v1/
 export async function getCourseAdvancedSettings(courseId) {
   const { data } = await getAuthenticatedHttpClient()
     .get(`${getCourseAdvancedSettingsApiUrl(courseId)}?fetch_all=0`);
-  return camelCaseObject(data);
+  const keepValues = {};
+  Object.keys(data).forEach((key) => {
+    keepValues[camelCase(key)] = { value: data[key].value };
+  });
+  const formattedData = {};
+  const formattedCamelCaseData = camelCaseObject(data);
+  Object.keys(formattedCamelCaseData).forEach((key) => {
+    formattedData[key] = {
+      ...formattedCamelCaseData[key],
+      value: keepValues[key]?.value,
+    };
+  });
+  return formattedData;
 }
 
 /**
@@ -26,7 +43,19 @@ export async function getCourseAdvancedSettings(courseId) {
 export async function updateCourseAdvancedSettings(courseId, settings) {
   const { data } = await getAuthenticatedHttpClient()
     .patch(`${getCourseAdvancedSettingsApiUrl(courseId)}`, convertObjectToSnakeCase(settings));
-  return camelCaseObject(data);
+  const keepValues = {};
+  Object.keys(data).forEach((key) => {
+    keepValues[camelCase(key)] = { value: data[key].value };
+  });
+  const formattedData = {};
+  const formattedCamelCaseData = camelCaseObject(data);
+  Object.keys(formattedCamelCaseData).forEach((key) => {
+    formattedData[key] = {
+      ...formattedCamelCaseData[key],
+      value: keepValues[key]?.value,
+    };
+  });
+  return formattedData;
 }
 
 /**
@@ -36,5 +65,17 @@ export async function updateCourseAdvancedSettings(courseId, settings) {
  */
 export async function getProctoringExamErrors(courseId) {
   const { data } = await getAuthenticatedHttpClient().get(`${getProctoringErrorsApiUrl()}${courseId}`);
-  return camelCaseObject(data);
+  const keepValues = {};
+  Object.keys(data).forEach((key) => {
+    keepValues[camelCase(key)] = { value: data[key].value };
+  });
+  const formattedData = {};
+  const formattedCamelCaseData = camelCaseObject(data);
+  Object.keys(formattedCamelCaseData).forEach((key) => {
+    formattedData[key] = {
+      ...formattedCamelCaseData[key],
+      value: keepValues[key]?.value,
+    };
+  });
+  return formattedData;
 }

src/advanced-settings/data/api.test.js

@@ -0,0 +1,236 @@
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import {
+  getCourseAdvancedSettings,
+  updateCourseAdvancedSettings,
+  getProctoringExamErrors,
+} from './api';
+
+jest.mock('@edx/frontend-platform/auth', () => ({
+  getAuthenticatedHttpClient: jest.fn(),
+}));
+
+describe('courseSettings API', () => {
+  const mockHttpClient = {
+    get: jest.fn(),
+    patch: jest.fn(),
+  };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    getAuthenticatedHttpClient.mockReturnValue(mockHttpClient);
+  });
+
+  describe('getCourseAdvancedSettings', () => {
+    it('should fetch and unformat course advanced settings', async () => {
+      const fakeData = {
+        key_snake_case: {
+          display_name: 'To come camelCase',
+          testCamelCase: 'This key must not be formatted',
+          PascalCase: 'To come camelCase',
+          'kebab-case': 'To come camelCase',
+          UPPER_CASE: 'To come camelCase',
+          lowercase: 'This key must not be formatted',
+          UPPERCASE: 'To come lowercase',
+          'Title Case': 'To come camelCase',
+          'dot.case': 'To come camelCase',
+          SCREAMING_SNAKE_CASE: 'To come camelCase',
+          MixedCase: 'To come camelCase',
+          'Train-Case': 'To come camelCase',
+          nestedOption: {
+            anotherOption: 'To come camelCase',
+          },
+          // value is an object with various cases
+          // this contain must not be formatted to camelCase
+          value: {
+            snake_case: 'snake_case',
+            camelCase: 'camelCase',
+            PascalCase: 'PascalCase',
+            'kebab-case': 'kebab-case',
+            UPPER_CASE: 'UPPER_CASE',
+            lowercase: 'lowercase',
+            UPPERCASE: 'UPPERCASE',
+            'Title Case': 'Title Case',
+            'dot.case': 'dot.case',
+            SCREAMING_SNAKE_CASE: 'SCREAMING_SNAKE_CASE',
+            MixedCase: 'MixedCase',
+            'Train-Case': 'Train-Case',
+            nestedOption: {
+              anotherOption: 'nestedContent',
+            },
+          },
+        },
+      };
+      const expected = {
+        keySnakeCase: {
+          displayName: 'To come camelCase',
+          testCamelCase: 'This key must not be formatted',
+          pascalCase: 'To come camelCase',
+          kebabCase: 'To come camelCase',
+          upperCase: 'To come camelCase',
+          lowercase: 'This key must not be formatted',
+          uppercase: 'To come lowercase',
+          titleCase: 'To come camelCase',
+          dotCase: 'To come camelCase',
+          screamingSnakeCase: 'To come camelCase',
+          mixedCase: 'To come camelCase',
+          trainCase: 'To come camelCase',
+          nestedOption: {
+            anotherOption: 'To come camelCase',
+          },
+          value: fakeData.key_snake_case.value,
+        },
+      };
+
+      mockHttpClient.get.mockResolvedValue({ data: fakeData });
+
+      const result = await getCourseAdvancedSettings('course-v1:Test+T101+2024');
+      expect(mockHttpClient.get).toHaveBeenCalledWith(
+        `${process.env.STUDIO_BASE_URL}/api/contentstore/v0/advanced_settings/course-v1:Test+T101+2024?fetch_all=0`,
+      );
+      expect(result).toEqual(expected);
+    });
+  });
+
+  describe('updateCourseAdvancedSettings', () => {
+    it('should update and unformat course advanced settings', async () => {
+      const fakeData = {
+        key_snake_case: {
+          display_name: 'To come camelCase',
+          testCamelCase: 'This key must not be formatted', // because already be camelCase
+          PascalCase: 'To come camelCase',
+          'kebab-case': 'To come camelCase',
+          UPPER_CASE: 'To come camelCase',
+          lowercase: 'This key must not be formatted', // because camelCase in lowercase not formatted
+          UPPERCASE: 'To come lowercase', // because camelCase in UPPERCASE format to lowercase
+          'Title Case': 'To come camelCase',
+          'dot.case': 'To come camelCase',
+          SCREAMING_SNAKE_CASE: 'To come camelCase',
+          MixedCase: 'To come camelCase',
+          'Train-Case': 'To come camelCase',
+          nestedOption: {
+            anotherOption: 'To come camelCase',
+          },
+          // value is an object with various cases
+          // this contain must not be formatted to camelCase
+          value: {
+            snake_case: 'snake_case',
+            camelCase: 'camelCase',
+            PascalCase: 'PascalCase',
+            'kebab-case': 'kebab-case',
+            UPPER_CASE: 'UPPER_CASE',
+            lowercase: 'lowercase',
+            UPPERCASE: 'UPPERCASE',
+            'Title Case': 'Title Case',
+            'dot.case': 'dot.case',
+            SCREAMING_SNAKE_CASE: 'SCREAMING_SNAKE_CASE',
+            MixedCase: 'MixedCase',
+            'Train-Case': 'Train-Case',
+            nestedOption: {
+              anotherOption: 'nestedContent',
+            },
+          },
+        },
+      };
+      const expected = {
+        keySnakeCase: {
+          displayName: 'To come camelCase',
+          testCamelCase: 'This key must not be formatted',
+          pascalCase: 'To come camelCase',
+          kebabCase: 'To come camelCase',
+          upperCase: 'To come camelCase',
+          lowercase: 'This key must not be formatted',
+          uppercase: 'To come lowercase',
+          titleCase: 'To come camelCase',
+          dotCase: 'To come camelCase',
+          screamingSnakeCase: 'To come camelCase',
+          mixedCase: 'To come camelCase',
+          trainCase: 'To come camelCase',
+          nestedOption: {
+            anotherOption: 'To come camelCase',
+          },
+          value: fakeData.key_snake_case.value,
+        },
+      };
+
+      mockHttpClient.patch.mockResolvedValue({ data: fakeData });
+
+      const result = await updateCourseAdvancedSettings('course-v1:Test+T101+2024', {});
+      expect(mockHttpClient.patch).toHaveBeenCalledWith(
+        `${process.env.STUDIO_BASE_URL}/api/contentstore/v0/advanced_settings/course-v1:Test+T101+2024`,
+        {},
+      );
+      expect(result).toEqual(expected);
+    });
+  });
+
+  describe('getProctoringExamErrors', () => {
+    it('should fetch proctoring errors and return unformat object', async () => {
+      const fakeData = {
+        key_snake_case: {
+          display_name: 'To come camelCase',
+          testCamelCase: 'This key must not be formatted',
+          PascalCase: 'To come camelCase',
+          'kebab-case': 'To come camelCase',
+          UPPER_CASE: 'To come camelCase',
+          lowercase: 'This key must not be formatted',
+          UPPERCASE: 'To come lowercase',
+          'Title Case': 'To come camelCase',
+          'dot.case': 'To come camelCase',
+          SCREAMING_SNAKE_CASE: 'To come camelCase',
+          MixedCase: 'To come camelCase',
+          'Train-Case': 'To come camelCase',
+          nestedOption: {
+            anotherOption: 'To come camelCase',
+          },
+          // value is an object with various cases
+          // this contain must not be formatted to camelCase
+          value: {
+            snake_case: 'snake_case',
+            camelCase: 'camelCase',
+            PascalCase: 'PascalCase',
+            'kebab-case': 'kebab-case',
+            UPPER_CASE: 'UPPER_CASE',
+            lowercase: 'lowercase',
+            UPPERCASE: 'UPPERCASE',
+            'Title Case': 'Title Case',
+            'dot.case': 'dot.case',
+            SCREAMING_SNAKE_CASE: 'SCREAMING_SNAKE_CASE',
+            MixedCase: 'MixedCase',
+            'Train-Case': 'Train-Case',
+            nestedOption: {
+              anotherOption: 'nestedContent',
+            },
+          },
+        },
+      };
+      const expected = {
+        keySnakeCase: {
+          displayName: 'To come camelCase',
+          testCamelCase: 'This key must not be formatted',
+          pascalCase: 'To come camelCase',
+          kebabCase: 'To come camelCase',
+          upperCase: 'To come camelCase',
+          lowercase: 'This key must not be formatted',
+          uppercase: 'To come lowercase',
+          titleCase: 'To come camelCase',
+          dotCase: 'To come camelCase',
+          screamingSnakeCase: 'To come camelCase',
+          mixedCase: 'To come camelCase',
+          trainCase: 'To come camelCase',
+          nestedOption: {
+            anotherOption: 'To come camelCase',
+          },
+          value: fakeData.key_snake_case.value,
+        },
+      };
+
+      mockHttpClient.get.mockResolvedValue({ data: fakeData });
+
+      const result = await getProctoringExamErrors('course-v1:Test+T101+2024');
+      expect(mockHttpClient.get).toHaveBeenCalledWith(
+        `${process.env.STUDIO_BASE_URL}/api/contentstore/v1/proctoring_errors/course-v1:Test+T101+2024`,
+      );
+      expect(result).toEqual(expected);
+    });
+  });
+});

src/content-tags-drawer/ContentTagsDrawer.test.jsx

@@ -21,6 +21,7 @@ const path = '/content/:contentId?/*';
 const mockOnClose = jest.fn();
 const mockSetBlockingSheet = jest.fn();
 const mockNavigate = jest.fn();
+const mockSidebarAction = jest.fn();
 mockContentTaxonomyTagsData.applyMock();
 mockTaxonomyListData.applyMock();
 mockTaxonomyTagsData.applyMock();
@@ -40,6 +41,11 @@ jest.mock('react-router-dom', () => ({
   useNavigate: () => mockNavigate,
 }));
 
+jest.mock('../library-authoring/common/context/SidebarContext', () => ({
+  ...jest.requireActual('../library-authoring/common/context/SidebarContext'),
+  useSidebarContext: () => ({ sidebarAction: mockSidebarAction() }),
+}));
+
 const renderDrawer = (contentId, drawerParams = {}) => (
   render(
     <ContentTagsDrawerSheetContext.Provider value={drawerParams}>
@@ -184,6 +190,26 @@ describe('<ContentTagsDrawer />', () => {
     expect(screen.getByRole('button', { name: /save/i })).toBeInTheDocument();
   });
 
+  it('should change to edit mode sidebar action is set to JumpToManageTags', async () => {
+    mockSidebarAction.mockReturnValueOnce('jump-to-manage-tags');
+    renderDrawer(stagedTagsId, { variant: 'component' });
+    expect(await screen.findByText('Taxonomy 1')).toBeInTheDocument();
+
+    // Show delete tag buttons
+    expect(screen.getAllByRole('button', {
+      name: /delete/i,
+    }).length).toBe(2);
+
+    // Show add a tag select
+    expect(screen.getByText(/add a tag/i)).toBeInTheDocument();
+
+    // Show cancel button
+    expect(screen.getByRole('button', { name: /cancel/i })).toBeInTheDocument();
+
+    // Show save button
+    expect(screen.getByRole('button', { name: /save/i })).toBeInTheDocument();
+  });
+
   it('should change to read mode when click on `Cancel` on drawer variant', async () => {
     renderDrawer(stagedTagsId);
     expect(await screen.findByText('Taxonomy 1')).toBeInTheDocument();

src/content-tags-drawer/ContentTagsDrawer.tsx

@@ -14,6 +14,7 @@ import ContentTagsCollapsible from './ContentTagsCollapsible';
 import Loading from '../generic/Loading';
 import { useCreateContentTagsDrawerContext } from './ContentTagsDrawerHelper';
 import { ContentTagsDrawerContext, ContentTagsDrawerSheetContext } from './common/context';
+import { SidebarActions, useSidebarContext } from '../library-authoring/common/context/SidebarContext';
 
 interface TaxonomyListProps {
   contentId: string;
@@ -244,6 +245,7 @@ const ContentTagsDrawer = ({
   if (contentId === undefined) {
     throw new Error('Error: contentId cannot be null.');
   }
+  const { sidebarAction } = useSidebarContext();
 
   const context = useCreateContentTagsDrawerContext(contentId, !readOnly, variant === 'drawer');
   const { blockingSheet } = useContext(ContentTagsDrawerSheetContext);
@@ -260,6 +262,7 @@ const ContentTagsDrawer = ({
     closeToast,
     setCollapsibleToInitalState,
     otherTaxonomies,
+    toEditMode,
   } = context;
 
   let onCloseDrawer: () => void;
@@ -302,8 +305,13 @@ const ContentTagsDrawer = ({
 
   // First call of the initial collapsible states
   React.useEffect(() => {
-    setCollapsibleToInitalState();
-  }, [isTaxonomyListLoaded, isContentTaxonomyTagsLoaded]);
+    // Open tag edit mode when sidebarAction is JumpToManageTags
+    if (sidebarAction === SidebarActions.JumpToManageTags) {
+      toEditMode();
+    } else {
+      setCollapsibleToInitalState();
+    }
+  }, [isTaxonomyListLoaded, isContentTaxonomyTagsLoaded, sidebarAction, toEditMode]);
 
   const renderFooter = () => {
     if (isTaxonomyListLoaded && isContentTaxonomyTagsLoaded) {

src/content-tags-drawer/data/apiHooks.jsx

@@ -7,6 +7,7 @@ import {
   useMutation,
   useQueryClient,
 } from '@tanstack/react-query';
+import { useParams } from 'react-router';
 import {
   getTaxonomyTagsData,
   getContentTaxonomyTagsData,
@@ -14,7 +15,7 @@ import {
   updateContentTaxonomyTags,
   getContentTaxonomyTagsCount,
 } from './api';
-import { libraryQueryPredicate, xblockQueryKeys } from '../../library-authoring/data/apiHooks';
+import { libraryAuthoringQueryKeys, libraryQueryPredicate, xblockQueryKeys } from '../../library-authoring/data/apiHooks';
 import { getLibraryId } from '../../generic/key-utils';
 
 /** @typedef {import("../../taxonomy/data/types.js").TagListData} TagListData */
@@ -129,6 +130,7 @@ export const useContentData = (contentId, enabled) => (
 export const useContentTaxonomyTagsUpdater = (contentId) => {
   const queryClient = useQueryClient();
   const unitIframe = window.frames['xblock-iframe'];
+  const { unitId } = useParams();
 
   return useMutation({
     /**
@@ -158,6 +160,10 @@ export const useContentTaxonomyTagsUpdater = (contentId) => {
         queryClient.invalidateQueries(xblockQueryKeys.componentMetadata(contentId));
         // Invalidate content search to update tags count
         queryClient.invalidateQueries(['content_search'], { predicate: (query) => libraryQueryPredicate(query, libraryId) });
+        // If the tags for a compoent were edited from Unit page, invalidate children query to fetch count again.
+        if (unitId) {
+          queryClient.invalidateQueries(libraryAuthoringQueryKeys.containerChildren(unitId));
+        }
       }
     },
     onSuccess: /* istanbul ignore next */ () => {

src/content-tags-drawer/data/apiHooks.test.jsx

@@ -157,7 +157,7 @@ describe('useContentTaxonomyTagsUpdater', () => {
 
     const contentId = 'testerContent';
     const taxonomyId = 123;
-    const mutation = useContentTaxonomyTagsUpdater(contentId);
+    const mutation = renderHook(() => useContentTaxonomyTagsUpdater(contentId)).result.current;
     const tagsData = [{
       taxonomy: taxonomyId,
       tags: ['tag1', 'tag2'],

src/course-libraries/CourseLibraries.test.tsx

@@ -82,7 +82,7 @@ describe('<CourseLibraries />', () => {
     expect(reviewTab).toHaveAttribute('aria-selected', 'true');
 
     userEvent.click(allTab);
-    const alert = await screen.findByRole('alert');
+    const alert = (await screen.findAllByRole('alert'))[0];
     expect(await within(alert).findByText(
       '5 library components are out of sync. Review updates to accept or ignore changes',
     )).toBeInTheDocument();
@@ -105,7 +105,7 @@ describe('<CourseLibraries />', () => {
     userEvent.click(allTab);
     expect(allTab).toHaveAttribute('aria-selected', 'true');
 
-    const alert = await screen.findByRole('alert');
+    const alert = (await screen.findAllByRole('alert'))[0];
     expect(await within(alert).findByText(
       '5 library components are out of sync. Review updates to accept or ignore changes',
     )).toBeInTheDocument();
@@ -118,6 +118,46 @@ describe('<CourseLibraries />', () => {
     userEvent.click(reviewActionBtn);
     expect(await screen.findByRole('tab', { name: 'Review Content Updates 5' })).toHaveAttribute('aria-selected', 'true');
   });
+
+  it('show alert if max lastPublishedDate is greated than the local storage value', async () => {
+    const lastPublishedDate = new Date('2025-05-01T22:20:44.989042Z');
+    localStorage.setItem(
+      `outOfSyncCountAlert-${mockGetEntityLinks.courseKey}`,
+      String(lastPublishedDate.getTime() - 1000),
+    );
+
+    await renderCourseLibrariesPage(mockGetEntityLinks.courseKey);
+    const allTab = await screen.findByRole('tab', { name: 'Libraries' });
+    const reviewTab = await screen.findByRole('tab', { name: 'Review Content Updates 5' });
+    // review tab should be open by default as outOfSyncCount is greater than 0
+    expect(reviewTab).toHaveAttribute('aria-selected', 'true');
+
+    userEvent.click(allTab);
+    const alert = (await screen.findAllByRole('alert'))[0];
+    expect(await within(alert).findByText(
+      '5 library components are out of sync. Review updates to accept or ignore changes',
+    )).toBeInTheDocument();
+  });
+
+  it('doesnt show alert if max lastPublishedDate is less than the local storage value', async () => {
+    const lastPublishedDate = new Date('2025-05-01T22:20:44.989042Z');
+    localStorage.setItem(
+      `outOfSyncCountAlert-${mockGetEntityLinks.courseKey}`,
+      String(lastPublishedDate.getTime() + 1000),
+    );
+
+    await renderCourseLibrariesPage(mockGetEntityLinks.courseKey);
+    const allTab = await screen.findByRole('tab', { name: 'Libraries' });
+    const reviewTab = await screen.findByRole('tab', { name: 'Review Content Updates 5' });
+    // review tab should be open by default as outOfSyncCount is greater than 0
+    expect(reviewTab).toHaveAttribute('aria-selected', 'true');
+    userEvent.click(allTab);
+    expect(allTab).toHaveAttribute('aria-selected', 'true');
+
+    screen.logTestingPlaygroundURL();
+
+    expect(screen.queryAllByRole('alert').length).toEqual(1);
+  });
 });
 
 describe('<CourseLibraries ReviewTab />', () => {
@@ -160,7 +200,7 @@ describe('<CourseLibraries ReviewTab />', () => {
 
   it('update changes works', async () => {
     const mockInvalidateQueries = jest.spyOn(queryClient, 'invalidateQueries');
-    const usageKey = mockGetEntityLinks.response.results[0].downstreamUsageKey;
+    const usageKey = mockGetEntityLinks.response[0].downstreamUsageKey;
     axiosMock.onPost(libraryBlockChangesUrl(usageKey)).reply(200, {});
     await renderCourseLibrariesReviewPage(mockGetEntityLinksSummaryByDownstreamContext.courseKey);
     const updateBtns = await screen.findAllByRole('button', { name: 'Update' });
@@ -176,7 +216,7 @@ describe('<CourseLibraries ReviewTab />', () => {
 
   it('update changes works in preview modal', async () => {
     const mockInvalidateQueries = jest.spyOn(queryClient, 'invalidateQueries');
-    const usageKey = mockGetEntityLinks.response.results[0].downstreamUsageKey;
+    const usageKey = mockGetEntityLinks.response[0].downstreamUsageKey;
     axiosMock.onPost(libraryBlockChangesUrl(usageKey)).reply(200, {});
     await renderCourseLibrariesReviewPage(mockGetEntityLinksSummaryByDownstreamContext.courseKey);
     const previewBtns = await screen.findAllByRole('button', { name: 'Review Updates' });
@@ -195,7 +235,7 @@ describe('<CourseLibraries ReviewTab />', () => {
 
   it('ignore change works', async () => {
     const mockInvalidateQueries = jest.spyOn(queryClient, 'invalidateQueries');
-    const usageKey = mockGetEntityLinks.response.results[0].downstreamUsageKey;
+    const usageKey = mockGetEntityLinks.response[0].downstreamUsageKey;
     axiosMock.onDelete(libraryBlockChangesUrl(usageKey)).reply(204, {});
     await renderCourseLibrariesReviewPage(mockGetEntityLinksSummaryByDownstreamContext.courseKey);
     const ignoreBtns = await screen.findAllByRole('button', { name: 'Ignore' });
@@ -218,7 +258,7 @@ describe('<CourseLibraries ReviewTab />', () => {
 
   it('ignore change works in preview', async () => {
     const mockInvalidateQueries = jest.spyOn(queryClient, 'invalidateQueries');
-    const usageKey = mockGetEntityLinks.response.results[0].downstreamUsageKey;
+    const usageKey = mockGetEntityLinks.response[0].downstreamUsageKey;
     axiosMock.onDelete(libraryBlockChangesUrl(usageKey)).reply(204, {});
     await renderCourseLibrariesReviewPage(mockGetEntityLinksSummaryByDownstreamContext.courseKey);
     const previewBtns = await screen.findAllByRole('button', { name: 'Review Updates' });

src/course-libraries/CourseLibraries.tsx

@@ -17,7 +17,7 @@ import {
   Tabs,
 } from '@openedx/paragon';
 import {
-  Cached, CheckCircle, Launch, Loop,
+  Cached, CheckCircle, Launch, Loop, Info,
 } from '@openedx/paragon/icons';
 
 import sumBy from 'lodash/sumBy';
@@ -33,6 +33,7 @@ import { useStudioHome } from '../studio-home/hooks';
 import NewsstandIcon from '../generic/NewsstandIcon';
 import ReviewTabContent from './ReviewTabContent';
 import { OutOfSyncAlert } from './OutOfSyncAlert';
+import AlertMessage from '../generic/alert-message';
 
 interface Props {
   courseId: string;
@@ -164,7 +165,7 @@ export const CourseLibraries: React.FC<Props> = ({ courseId }) => {
     if (tabKey !== CourseLibraryTabs.review) {
       return null;
     }
-    if (!outOfSyncCount || outOfSyncCount === 0) {
+    if (!outOfSyncCount) {
       return (
         <Stack direction="horizontal" gap={2}>
           <Icon src={CheckCircle} size="xs" />
@@ -199,6 +200,12 @@ export const CourseLibraries: React.FC<Props> = ({ courseId }) => {
           showAlert={showReviewAlert && tabKey === CourseLibraryTabs.all}
           setShowAlert={setShowReviewAlert}
         />
+        { /* TODO: Remove this alert after implement container in this page */}
+        <AlertMessage
+          title={intl.formatMessage(messages.unitsUpdatesWarning)}
+          icon={Info}
+          variant="info"
+        />
         <SubHeader
           title={intl.formatMessage(messages.headingTitle)}
           subtitle={intl.formatMessage(messages.headingSubtitle)}

src/course-libraries/OutOfSyncAlert.tsx

@@ -18,12 +18,11 @@ interface OutOfSyncAlertProps {
 * in course can be updated. Following are the conditions for displaying the alert.
 *
 * * The alert is displayed if components are out of sync.
-* * If the user clicks on dismiss button, the state is stored in localstorage of user
-*   in this format: outOfSyncCountAlert-${courseId} = <number of out of sync components>.
-* * If the number of sync components don't change for the course and the user opens outline
+* * If the user clicks on dismiss button, the state of dismiss is stored in localstorage of user
+*   in this format: outOfSyncCountAlert-${courseId} = <datetime value in milliseconds>.
+* * If there are not new published components for the course and the user opens outline
 *   in the same browser, they don't see the alert again.
-* * If the number changes, i.e., if a new component is out of sync or the user updates or ignores
-*   a component, the alert is displayed again.
+* * If there is a new published component upstream, the alert is displayed again.
 */
 export const OutOfSyncAlert: React.FC<OutOfSyncAlertProps> = ({
   showAlert,
@@ -35,6 +34,8 @@ export const OutOfSyncAlert: React.FC<OutOfSyncAlertProps> = ({
   const intl = useIntl();
   const { data, isLoading } = useEntityLinksSummaryByDownstreamContext(courseId);
   const outOfSyncCount = data?.reduce((count, lib) => count + (lib.readyToSyncCount || 0), 0);
+  const lastPublishedDate = data?.map(lib => new Date(lib.lastPublishedAt || 0).getTime())
+    .reduce((acc, lastPublished) => Math.max(lastPublished, acc), 0);
   const alertKey = `outOfSyncCountAlert-${courseId}`;
 
   useEffect(() => {
@@ -46,13 +47,14 @@ export const OutOfSyncAlert: React.FC<OutOfSyncAlertProps> = ({
       setShowAlert(false);
       return;
     }
-    const dismissedAlert = localStorage.getItem(alertKey);
-    setShowAlert(parseInt(dismissedAlert || '', 10) !== outOfSyncCount);
-  }, [outOfSyncCount, isLoading, data]);
+    const dismissedAlertDate = parseInt(localStorage.getItem(alertKey) ?? '0', 10);
+
+    setShowAlert((lastPublishedDate ?? 0) > dismissedAlertDate);
+  }, [outOfSyncCount, lastPublishedDate, isLoading, data]);
 
   const dismissAlert = () => {
     setShowAlert(false);
-    localStorage.setItem(alertKey, String(outOfSyncCount));
+    localStorage.setItem(alertKey, Date.now().toString());
     onDismiss?.();
   };
 

src/course-libraries/ReviewTabContent.tsx

@@ -1,5 +1,5 @@
 import React, {
-  useCallback, useContext, useEffect, useMemo, useState,
+  useCallback, useContext, useMemo, useState,
 } from 'react';
 import { getConfig } from '@edx/frontend-platform';
 import { useIntl } from '@edx/frontend-platform/i18n';
@@ -14,11 +14,9 @@ import {
   useToggle,
 } from '@openedx/paragon';
 
-import {
-  tail, keyBy, orderBy, merge, omitBy,
-} from 'lodash';
+import { tail, keyBy } from 'lodash';
 import { useQueryClient } from '@tanstack/react-query';
-import { Loop, Warning } from '@openedx/paragon/icons';
+import { Loop } from '@openedx/paragon/icons';
 import messages from './messages';
 import previewChangesMessages from '../course-unit/preview-changes/messages';
 import { courseLibrariesQueryKeys, useEntityLinks } from './data/apiHooks';
@@ -37,7 +35,6 @@ import { useLoadOnScroll } from '../hooks';
 import DeleteModal from '../generic/delete-modal/DeleteModal';
 import { PublishableEntityLink } from './data/api';
 import AlertError from '../generic/alert-error';
-import AlertMessage from '../generic/alert-message';
 
 interface Props {
   courseId: string;
@@ -102,10 +99,8 @@ const BlockCard: React.FC<BlockCardProps> = ({ info, actions }) => {
 
 const ComponentReviewList = ({
   outOfSyncComponents,
-  onSearchUpdate,
 }: {
   outOfSyncComponents: PublishableEntityLink[];
-  onSearchUpdate: () => void;
 }) => {
   const intl = useIntl();
   const { showToast } = useContext(ToastContext);
@@ -113,24 +108,15 @@ const ComponentReviewList = ({
   // ignore changes confirmation modal toggle.
   const [isConfirmModalOpen, openConfirmModal, closeConfirmModal] = useToggle(false);
   const {
-    hits: downstreamInfo,
+    hits,
     isLoading: isIndexDataLoading,
-    searchKeywords,
-    searchSortOrder,
     hasError,
     hasNextPage,
     isFetchingNextPage,
     fetchNextPage,
-  } = useSearchContext() as {
-    hits: ContentHit[];
-    isLoading: boolean;
-    searchKeywords: string;
-    searchSortOrder: SearchSortOption;
-    hasError: boolean;
-    hasNextPage: boolean | undefined,
-    isFetchingNextPage: boolean;
-    fetchNextPage: () => void;
-  };
+  } = useSearchContext();
+
+  const downstreamInfo = hits as ContentHit[];
 
   useLoadOnScroll(
     hasNextPage,
@@ -143,24 +129,14 @@ const ComponentReviewList = ({
     () => keyBy(outOfSyncComponents, 'downstreamUsageKey'),
     [outOfSyncComponents],
   );
-  const downstreamInfoByKey = useMemo(
-    () => keyBy(downstreamInfo, 'usageKey'),
-    [downstreamInfo],
-  );
   const queryClient = useQueryClient();
 
-  useEffect(() => {
-    if (searchKeywords) {
-      onSearchUpdate();
-    }
-  }, [searchKeywords]);
-
   // Toggle preview changes modal
   const [isModalOpen, openModal, closeModal] = useToggle(false);
   const acceptChangesMutation = useAcceptLibraryBlockChanges();
   const ignoreChangesMutation = useIgnoreLibraryBlockChanges();
 
-  const setSeletecdBlockData = (info: ContentHit) => {
+  const setSelectedBlockData = useCallback((info: ContentHit) => {
     setBlockData({
       displayName: info.displayName,
       downstreamBlockId: info.usageKey,
@@ -168,17 +144,18 @@ const ComponentReviewList = ({
       upstreamBlockVersionSynced: outOfSyncComponentsByKey[info.usageKey].versionSynced,
       isVertical: info.blockType === 'vertical',
     });
-  };
+  }, [outOfSyncComponentsByKey]);
+
   // Show preview changes on review
   const onReview = useCallback((info: ContentHit) => {
-    setSeletecdBlockData(info);
+    setSelectedBlockData(info);
     openModal();
-  }, [setSeletecdBlockData, openModal]);
+  }, [setSelectedBlockData, openModal]);
 
   const onIgnoreClick = useCallback((info: ContentHit) => {
-    setSeletecdBlockData(info);
+    setSelectedBlockData(info);
     openConfirmModal();
-  }, [setSeletecdBlockData, openConfirmModal]);
+  }, [setSelectedBlockData, openConfirmModal]);
 
   const reloadLinks = useCallback((usageKey: string) => {
     const courseKey = outOfSyncComponentsByKey[usageKey].downstreamContextKey;
@@ -236,19 +213,6 @@ const ComponentReviewList = ({
     }
   }, [blockData]);
 
-  const orderInfo = useMemo(() => {
-    if (searchSortOrder !== SearchSortOption.RECENTLY_MODIFIED) {
-      return downstreamInfo;
-    }
-    if (isIndexDataLoading) {
-      return [];
-    }
-    let merged = merge(downstreamInfoByKey, outOfSyncComponentsByKey);
-    merged = omitBy(merged, (o) => !o.displayName);
-    const ordered = orderBy(Object.values(merged), 'updated', 'desc');
-    return ordered;
-  }, [downstreamInfoByKey, outOfSyncComponentsByKey]);
-
   if (isIndexDataLoading) {
     return <Loading />;
   }
@@ -259,7 +223,7 @@ const ComponentReviewList = ({
 
   return (
     <>
-      {orderInfo?.map((info) => (
+      {downstreamInfo?.map((info) => (
         <BlockCard
           key={info.usageKey}
           info={info}
@@ -293,20 +257,14 @@ const ComponentReviewList = ({
           )}
         />
       ))}
-      <PreviewLibraryXBlockChanges
-        blockData={blockData}
-        isModalOpen={isModalOpen}
-        closeModal={closeModal}
-        postChange={postChange}
-        alertNode={(
-          <AlertMessage
-            show
-            variant="warning"
-            icon={Warning}
-            title={intl.formatMessage(messages.olderVersionPreviewAlert)}
-          />
-        )}
-      />
+      {blockData && (
+        <PreviewLibraryXBlockChanges
+          blockData={blockData}
+          isModalOpen={isModalOpen}
+          closeModal={closeModal}
+          postChange={postChange}
+        />
+      )}
       <DeleteModal
         isOpen={isConfirmModalOpen}
         close={closeConfirmModal}
@@ -323,37 +281,17 @@ const ComponentReviewList = ({
 const ReviewTabContent = ({ courseId }: Props) => {
   const intl = useIntl();
   const {
-    data: linkPages,
+    data: outOfSyncComponents,
     isLoading: isSyncComponentsLoading,
-    hasNextPage,
-    isFetchingNextPage,
-    fetchNextPage,
     isError,
     error,
   } = useEntityLinks({ courseId, readyToSync: true });
 
-  const outOfSyncComponents = useMemo(
-    () => linkPages?.pages?.reduce((links, page) => [...links, ...page.results], []) ?? [],
-    [linkPages],
-  );
   const downstreamKeys = useMemo(
     () => outOfSyncComponents?.map(link => link.downstreamUsageKey),
     [outOfSyncComponents],
   );
 
-  useLoadOnScroll(
-    hasNextPage,
-    isFetchingNextPage,
-    fetchNextPage,
-    true,
-  );
-
-  const onSearchUpdate = () => {
-    if (hasNextPage && !isFetchingNextPage) {
-      fetchNextPage();
-    }
-  };
-
   const disableSortOptions = [
     SearchSortOption.RELEVANCE,
     SearchSortOption.OLDEST,
@@ -384,7 +322,6 @@ const ReviewTabContent = ({ courseId }: Props) => {
       </ActionRow>
       <ComponentReviewList
         outOfSyncComponents={outOfSyncComponents}
-        onSearchUpdate={onSearchUpdate}
       />
     </SearchContextProvider>
   );

src/course-libraries/__mocks__/linkCourseSummary.json

@@ -3,17 +3,20 @@
     "upstreamContextTitle": "CS problems 3",
     "upstreamContextKey": "lib:OpenedX:CSPROB3",
     "readyToSyncCount": 5,
-    "totalCount": 14
+    "totalCount": 14,
+    "lastPublishedAt": "2025-05-01T20:20:44.989042Z"
   },
   {
     "upstreamContextTitle": "CS problems 2",
     "upstreamContextKey": "lib:OpenedX:CSPROB2",
     "readyToSyncCount": 0,
-    "totalCount": 21
+    "totalCount": 21,
+    "lastPublishedAt": "2025-05-01T21:20:44.989042Z"
   },
   {
     "upstreamContextTitle": "CS problems",
     "upstreamContextKey": "lib:OpenedX:CSPROB",
-    "totalCount": 3
+    "totalCount": 3,
+    "lastPublishedAt": "2025-05-01T22:20:44.989042Z"
   }
 ]

src/course-libraries/__mocks__/publishableEntityLinks.json

@@ -1,79 +1,72 @@
-{
-  "count": 7,
-  "next": null,
-  "previous": null,
-  "num_pages": 1,
-  "current_page": 1,
-  "results": [
-    {
-      "id": 875,
-      "upstreamContextTitle": "CS problems 3",
-      "upstreamVersion": 10,
-      "readyToSync": true,
-      "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
-      "upstreamContextKey": "lib:OpenedX:CSPROB3",
-      "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@problem3",
-      "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
-      "versionSynced": 2,
-      "versionDeclined": null,
-      "created": "2025-02-08T14:07:05.588484Z",
-      "updated": "2025-02-08T14:07:05.588484Z"
-    },
-    {
-      "id": 876,
-      "upstreamContextTitle": "CS problems 3",
-      "upstreamVersion": 10,
-      "readyToSync": true,
-      "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
-      "upstreamContextKey": "lib:OpenedX:CSPROB3",
-      "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@problem6",
-      "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
-      "versionSynced": 2,
-      "versionDeclined": null,
-      "created": "2025-02-08T14:07:05.588484Z",
-      "updated": "2025-02-08T14:07:05.588484Z"
-    },
-    {
-      "id": 884,
-      "upstreamContextTitle": "CS problems 3",
-      "upstreamVersion": 26,
-      "readyToSync": true,
-      "upstreamUsageKey": "lb:OpenedX:CSPROB3:html:ca4d2b1f-0b64-4a2d-88fa-592f7e398477",
-      "upstreamContextKey": "lib:OpenedX:CSPROB3",
-      "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@html+block@257e68e3386d4a8f8739d45b67e76a9b",
-      "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
-      "versionSynced": 16,
-      "versionDeclined": null,
-      "created": "2025-02-08T14:07:05.588484Z",
-      "updated": "2025-02-08T14:07:05.588484Z"
-    },
-    {
-      "id": 889,
-      "upstreamContextTitle": "CS problems 3",
-      "upstreamVersion": 10,
-      "readyToSync": true,
-      "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
-      "upstreamContextKey": "lib:OpenedX:CSPROB3",
-      "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@a4455860b03647219ff8b01cde49cf37",
-      "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
-      "versionSynced": 2,
-      "versionDeclined": null,
-      "created": "2025-02-08T14:07:05.588484Z",
-      "updated": "2025-02-08T14:07:05.588484Z"
-    },
-    {
-      "id": 890,
-      "upstreamContextTitle": "CS problems 3",
-      "upstreamVersion": 10,
-      "readyToSync": true,
-      "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
-      "upstreamContextKey": "lib:OpenedX:CSPROB3",
-      "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@210e356cfa304b0aac591af53f6a6ae0",
-      "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
-      "versionSynced": 2,
-      "versionDeclined": null,
-      "created": "2025-02-08T14:07:05.588484Z",
-      "updated": "2025-02-08T14:07:05.588484Z"
-    }
-  ]
-}
+[
+  {
+    "id": 875,
+    "upstreamContextTitle": "CS problems 3",
+    "upstreamVersion": 10,
+    "readyToSync": true,
+    "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
+    "upstreamContextKey": "lib:OpenedX:CSPROB3",
+    "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@problem3",
+    "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
+    "versionSynced": 2,
+    "versionDeclined": null,
+    "created": "2025-02-08T14:07:05.588484Z",
+    "updated": "2025-02-08T14:07:05.588484Z"
+  },
+  {
+    "id": 876,
+    "upstreamContextTitle": "CS problems 3",
+    "upstreamVersion": 10,
+    "readyToSync": true,
+    "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
+    "upstreamContextKey": "lib:OpenedX:CSPROB3",
+    "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@problem6",
+    "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
+    "versionSynced": 2,
+    "versionDeclined": null,
+    "created": "2025-02-08T14:07:05.588484Z",
+    "updated": "2025-02-08T14:07:05.588484Z"
+  },
+  {
+    "id": 884,
+    "upstreamContextTitle": "CS problems 3",
+    "upstreamVersion": 26,
+    "readyToSync": true,
+    "upstreamUsageKey": "lb:OpenedX:CSPROB3:html:ca4d2b1f-0b64-4a2d-88fa-592f7e398477",
+    "upstreamContextKey": "lib:OpenedX:CSPROB3",
+    "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@html+block@257e68e3386d4a8f8739d45b67e76a9b",
+    "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
+    "versionSynced": 16,
+    "versionDeclined": null,
+    "created": "2025-02-08T14:07:05.588484Z",
+    "updated": "2025-02-08T14:07:05.588484Z"
+  },
+  {
+    "id": 889,
+    "upstreamContextTitle": "CS problems 3",
+    "upstreamVersion": 10,
+    "readyToSync": true,
+    "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
+    "upstreamContextKey": "lib:OpenedX:CSPROB3",
+    "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@a4455860b03647219ff8b01cde49cf37",
+    "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
+    "versionSynced": 2,
+    "versionDeclined": null,
+    "created": "2025-02-08T14:07:05.588484Z",
+    "updated": "2025-02-08T14:07:05.588484Z"
+  },
+  {
+    "id": 890,
+    "upstreamContextTitle": "CS problems 3",
+    "upstreamVersion": 10,
+    "readyToSync": true,
+    "upstreamUsageKey": "lb:OpenedX:CSPROB3:problem:d40264d5-80c4-4be8-bfb6-086391de1cd3",
+    "upstreamContextKey": "lib:OpenedX:CSPROB3",
+    "downstreamUsageKey": "block-v1:OpenEdx+DemoX+CourseX+type@problem+block@210e356cfa304b0aac591af53f6a6ae0",
+    "downstreamContextKey": "course-v1:OpenEdx+DemoX+CourseX",
+    "versionSynced": 2,
+    "versionDeclined": null,
+    "created": "2025-02-08T14:07:05.588484Z",
+    "updated": "2025-02-08T14:07:05.588484Z"
+  }
+]

src/course-libraries/data/api.mocks.ts

@@ -28,27 +28,17 @@ export async function mockGetEntityLinks(
     case mockGetEntityLinks.courseKeyLoading:
       return new Promise(() => {});
     case mockGetEntityLinks.courseKeyEmpty:
-      return Promise.resolve({
-        next: null,
-        previous: null,
-        nextPageNum: null,
-        previousPageNum: null,
-        count: 0,
-        numPages: 0,
-        currentPage: 0,
-        results: [],
-      });
+      return Promise.resolve([]);
     default: {
-      const { response } = mockGetEntityLinks;
+      let { response } = mockGetEntityLinks;
       if (readyToSync !== undefined) {
-        response.results = response.results.filter((o) => o.readyToSync === readyToSync);
-        response.count = response.results.length;
+        response = response.filter((o) => o.readyToSync === readyToSync);
       }
       return Promise.resolve(response);
     }
   }
 }
-mockGetEntityLinks.courseKey = mockLinksResult.results[0].downstreamContextKey;
+mockGetEntityLinks.courseKey = mockLinksResult[0].downstreamContextKey;
 mockGetEntityLinks.invalidCourseKey = 'course_key_error';
 mockGetEntityLinks.courseKeyLoading = 'courseKeyLoading';
 mockGetEntityLinks.courseKeyEmpty = 'courseKeyEmpty';
@@ -85,7 +75,7 @@ export async function mockGetEntityLinksSummaryByDownstreamContext(
       return Promise.resolve(mockGetEntityLinksSummaryByDownstreamContext.response);
   }
 }
-mockGetEntityLinksSummaryByDownstreamContext.courseKey = mockLinksResult.results[0].downstreamContextKey;
+mockGetEntityLinksSummaryByDownstreamContext.courseKey = mockLinksResult[0].downstreamContextKey;
 mockGetEntityLinksSummaryByDownstreamContext.invalidCourseKey = 'course_key_error';
 mockGetEntityLinksSummaryByDownstreamContext.courseKeyLoading = 'courseKeySummaryLoading';
 mockGetEntityLinksSummaryByDownstreamContext.courseKeyEmpty = 'courseKeyEmpty';

src/course-libraries/data/api.ts

@@ -38,32 +38,13 @@ export interface PublishableEntityLinkSummary {
   upstreamContextTitle: string;
   readyToSyncCount: number;
   totalCount: number;
+  lastPublishedAt: string;
 }
 
 export const getEntityLinks = async (
   downstreamContextKey?: string,
   readyToSync?: boolean,
   upstreamUsageKey?: string,
-  pageParam?: number,
-  pageSize?: number,
-): Promise<PaginatedData<PublishableEntityLink[]>> => {
-  const { data } = await getAuthenticatedHttpClient()
-    .get(getEntityLinksByDownstreamContextUrl(), {
-      params: {
-        course_id: downstreamContextKey,
-        ready_to_sync: readyToSync,
-        upstream_usage_key: upstreamUsageKey,
-        page_size: pageSize,
-        page: pageParam,
-      },
-    });
-  return camelCaseObject(data);
-};
-
-export const getUnpaginatedEntityLinks = async (
-  downstreamContextKey?: string,
-  readyToSync?: boolean,
-  upstreamUsageKey?: string,
 ): Promise<PublishableEntityLink[]> => {
   const { data } = await getAuthenticatedHttpClient()
     .get(getEntityLinksByDownstreamContextUrl(), {

src/course-libraries/data/apiHooks.test.tsx

@@ -4,7 +4,7 @@ import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import MockAdapter from 'axios-mock-adapter';
 import { renderHook, waitFor } from '@testing-library/react';
 import { getEntityLinksByDownstreamContextUrl } from './api';
-import { useEntityLinks, useUnpaginatedEntityLinks } from './apiHooks';
+import { useEntityLinks } from './apiHooks';
 
 let axiosMock: MockAdapter;
 
@@ -39,26 +39,11 @@ describe('course libraries api hooks', () => {
     axiosMock.reset();
   });
 
-  it('should return paginated links for course', async () => {
-    const courseId = 'course-v1:some+key';
-    const url = getEntityLinksByDownstreamContextUrl();
-    const expectedResult = {
-      next: null, results: [], previous: null, total: 0,
-    };
-    axiosMock.onGet(url).reply(200, expectedResult);
-    const { result } = renderHook(() => useEntityLinks({ courseId }), { wrapper });
-    await waitFor(() => {
-      expect(result.current.isLoading).toBeFalsy();
-    });
-    expect(result.current.data?.pages).toEqual([expectedResult]);
-    expect(axiosMock.history.get[0].url).toEqual(url);
-  });
-
   it('should return links for course', async () => {
     const courseId = 'course-v1:some+key';
     const url = getEntityLinksByDownstreamContextUrl();
     axiosMock.onGet(url).reply(200, []);
-    const { result } = renderHook(() => useUnpaginatedEntityLinks({ courseId }), { wrapper });
+    const { result } = renderHook(() => useEntityLinks({ courseId }), { wrapper });
     await waitFor(() => {
       expect(result.current.isLoading).toBeFalsy();
     });

src/course-libraries/data/apiHooks.ts

@@ -1,8 +1,7 @@
 import {
-  useInfiniteQuery,
   useQuery,
 } from '@tanstack/react-query';
-import { getEntityLinks, getEntityLinksSummaryByDownstreamContext, getUnpaginatedEntityLinks } from './api';
+import { getEntityLinks, getEntityLinksSummaryByDownstreamContext } from './api';
 
 export const courseLibrariesQueryKeys = {
   all: ['courseLibraries'],
@@ -29,39 +28,10 @@ export const courseLibrariesQueryKeys = {
 };
 
 /**
- * Hook to fetch publishable entity links by course key.
+ * Hook to fetch list of publishable entity links by course key.
  * (That is, get a list of the library components used in the given course.)
  */
 export const useEntityLinks = ({
-  courseId, readyToSync, upstreamUsageKey, pageSize,
-}: {
-  courseId?: string,
-  readyToSync?: boolean,
-  upstreamUsageKey?: string,
-  pageSize?: number
-}) => (
-  useInfiniteQuery({
-    queryKey: courseLibrariesQueryKeys.courseReadyToSyncLibraries({
-      courseId,
-      readyToSync,
-      upstreamUsageKey,
-    }),
-    queryFn: ({ pageParam }) => getEntityLinks(
-      courseId,
-      readyToSync,
-      upstreamUsageKey,
-      pageParam,
-      pageSize,
-    ),
-    getNextPageParam: (lastPage) => lastPage.nextPageNum,
-    enabled: courseId !== undefined || upstreamUsageKey !== undefined || readyToSync !== undefined,
-  })
-);
-
-/**
- * Hook to fetch unpaginated list of publishable entity links by course key.
- */
-export const useUnpaginatedEntityLinks = ({
   courseId, readyToSync, upstreamUsageKey,
 }: {
   courseId?: string,
@@ -74,7 +44,7 @@ export const useUnpaginatedEntityLinks = ({
       readyToSync,
       upstreamUsageKey,
     }),
-    queryFn: () => getUnpaginatedEntityLinks(
+    queryFn: () => getEntityLinks(
       courseId,
       readyToSync,
       upstreamUsageKey,

src/course-libraries/messages.ts

@@ -116,10 +116,10 @@ const messages = defineMessages({
     defaultMessage: 'Something went wrong! Could not fetch results.',
     description: 'Generic error message displayed when fetching link data fails.',
   },
-  olderVersionPreviewAlert: {
-    id: 'course-authoring.course-libraries.reviw-tab.preview.old-version-alert',
-    defaultMessage: 'The old version preview is the previous library version',
-    description: 'Alert message stating that older version in preview is of library block',
+  unitsUpdatesWarning: {
+    id: 'course-authoring.course-libraries.home-tab.warning.units',
+    defaultMessage: 'Currently this page only tracks component updates. To check for unit updates, go to your Course Outline.',
+    description: 'Warning message shown in library sync page about units updates.',
   },
 });
 

src/course-outline/CourseOutline.jsx

@@ -375,6 +375,7 @@ const CourseOutline = ({ courseId }) => {
                                             section,
                                             section.childInfo.children,
                                           )}
+                                          isSectionsExpanded={isSectionsExpanded}
                                           isSelfPaced={statusBarData.isSelfPaced}
                                           isCustomRelativeDatesActive={isCustomRelativeDatesActive}
                                           savingStatus={savingStatus}

src/course-outline/CourseOutline.test.jsx

@@ -11,7 +11,6 @@ import { cloneDeep } from 'lodash';
 import { closestCorners } from '@dnd-kit/core';
 
 import { useLocation } from 'react-router-dom';
-import userEvent from '@testing-library/user-event';
 import {
   getCourseBestPracticesApiUrl,
   getCourseLaunchApiUrl,
@@ -97,12 +96,6 @@ jest.mock('./data/api', () => ({
   getTagsCount: () => jest.fn().mockResolvedValue({}),
 }));
 
-jest.mock('../studio-home/hooks', () => ({
-  useStudioHome: () => ({
-    librariesV2Enabled: true,
-  }),
-}));
-
 // Mock ComponentPicker to call onComponentSelected on click
 jest.mock('../library-authoring/component-picker', () => ({
   ComponentPicker: (props) => {
@@ -160,7 +153,9 @@ describe('<CourseOutline />', () => {
       pathname: mockPathname,
     });
 
-    store = initializeStore();
+    store = initializeStore({
+      studioHome: { studioHomeData: { librariesV2Enabled: true } },
+    });
     axiosMock = new MockAdapter(getAuthenticatedHttpClient());
     axiosMock
       .onGet(getCourseOutlineIndexApiUrl(courseId))
@@ -179,6 +174,10 @@ describe('<CourseOutline />', () => {
     await executeThunk(fetchCourseOutlineIndexQuery(courseId), store.dispatch);
   });
 
+  afterEach(() => {
+    jest.restoreAllMocks();
+  });
+
   it('render CourseOutline component correctly', async () => {
     const { getByText } = render(<RootWrapper />);
 
@@ -289,13 +288,15 @@ describe('<CourseOutline />', () => {
   });
 
   it('check that new section list is saved when dragged', async () => {
-    const { findAllByRole } = render(<RootWrapper />);
-    const courseBlockId = courseOutlineIndexMock.courseStructure.id;
+    const { findAllByRole, findByTestId } = render(<RootWrapper />);
+    const expandAllButton = await findByTestId('expand-collapse-all-button');
+    fireEvent.click(expandAllButton);
+    const [section] = store.getState().courseOutline.sectionsList;
     const sectionsDraggers = await findAllByRole('button', { name: 'Drag to reorder' });
-    const draggableButton = sectionsDraggers[6];
+    const draggableButton = sectionsDraggers[1];
 
     axiosMock
-      .onPut(getCourseBlockApiUrl(courseBlockId))
+      .onPut(getCourseBlockApiUrl(section.id))
       .reply(200, { dummy: 'value' });
 
     const section1 = store.getState().courseOutline.sectionsList[0].id;
@@ -314,13 +315,15 @@ describe('<CourseOutline />', () => {
   });
 
   it('check section list is restored to original order when API call fails', async () => {
-    const { findAllByRole } = render(<RootWrapper />);
-    const courseBlockId = courseOutlineIndexMock.courseStructure.id;
+    const { findAllByRole, findByTestId } = render(<RootWrapper />);
+    const expandAllButton = await findByTestId('expand-collapse-all-button');
+    fireEvent.click(expandAllButton);
+    const [section] = store.getState().courseOutline.sectionsList;
     const sectionsDraggers = await findAllByRole('button', { name: 'Drag to reorder' });
-    const draggableButton = sectionsDraggers[6];
+    const draggableButton = sectionsDraggers[1];
 
     axiosMock
-      .onPut(getCourseBlockApiUrl(courseBlockId))
+      .onPut(getCourseBlockApiUrl(section.id))
       .reply(500);
 
     const section1 = store.getState().courseOutline.sectionsList[0].id;
@@ -395,8 +398,6 @@ describe('<CourseOutline />', () => {
     const { findAllByTestId } = render(<RootWrapper />);
     const [sectionElement] = await findAllByTestId('section-card');
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const units = await within(subsectionElement).findAllByTestId('unit-card');
     expect(units.length).toBe(1);
 
@@ -421,8 +422,6 @@ describe('<CourseOutline />', () => {
     render(<RootWrapper />);
     const [sectionElement] = await screen.findAllByTestId('section-card');
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const units = await within(subsectionElement).findAllByTestId('unit-card');
     expect(units.length).toBe(1);
 
@@ -646,8 +645,6 @@ describe('<CourseOutline />', () => {
     await checkEditTitle(section, subsectionElement, subsection, 'New subsection name', 'subsection');
 
     // check unit
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
     await checkEditTitle(section, unitElement, unit, 'New unit name', 'unit');
@@ -660,8 +657,6 @@ describe('<CourseOutline />', () => {
     const [sectionElement] = await screen.findAllByTestId('section-card');
     const [subsection] = section.childInfo.children;
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -700,8 +695,6 @@ describe('<CourseOutline />', () => {
     const [sectionElement] = await findAllByTestId('section-card');
     const [subsection] = section.childInfo.children;
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -771,8 +764,6 @@ describe('<CourseOutline />', () => {
     const [sectionElement] = await findAllByTestId('section-card');
     const [subsection] = section.childInfo.children;
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -1481,8 +1472,6 @@ describe('<CourseOutline />', () => {
 
     const [firstSection] = await findAllByTestId('section-card');
     const [firstSubsection] = await within(firstSection).findAllByTestId('subsection-card');
-    const subsectionExpandButton = await within(firstSubsection).getByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(subsectionExpandButton);
     const [firstUnit] = await within(firstSubsection).findAllByTestId('unit-card');
     const unitDropdownButton = await within(firstUnit).findByTestId('unit-card-header__menu-button');
 
@@ -1842,8 +1831,6 @@ describe('<CourseOutline />', () => {
     const [, sectionElement] = await findAllByTestId('section-card');
     const [, subsection] = section.childInfo.children;
     const [, subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(expandBtn));
     const [, secondUnit] = subsection.childInfo.children;
     const [, unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -1883,8 +1870,6 @@ describe('<CourseOutline />', () => {
     const [, sectionElement] = await findAllByTestId('section-card');
     const [firstSubsection, subsection] = section.childInfo.children;
     const [, subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(expandBtn));
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -1920,8 +1905,6 @@ describe('<CourseOutline />', () => {
     const [subsection] = secondSection.childInfo.children;
     const firstSectionLastSubsection = firstSection.childInfo.children[firstSection.childInfo.children.length - 1];
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(expandBtn));
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -1966,8 +1949,6 @@ describe('<CourseOutline />', () => {
     const [, sectionElement] = await findAllByTestId('section-card');
     const [firstSubsection, subsection] = section.childInfo.children;
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(expandBtn));
     const lastUnitIdx = firstSubsection.childInfo.children.length - 1;
     const unit = firstSubsection.childInfo.children[lastUnitIdx];
     const unitElement = (await within(subsectionElement).findAllByTestId('unit-card'))[lastUnitIdx];
@@ -2005,8 +1986,6 @@ describe('<CourseOutline />', () => {
     const secondSectionLastSubsection = secondSection.childInfo.children[lastSubIndex];
     const thirdSectionFirstSubsection = thirdSection.childInfo.children[0];
     const subsectionElement = (await within(sectionElement).findAllByTestId('subsection-card'))[lastSubIndex];
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(expandBtn));
     const lastUnitIdx = secondSectionLastSubsection.childInfo.children.length - 1;
     const unit = secondSectionLastSubsection.childInfo.children[lastUnitIdx];
     const unitElement = (await within(subsectionElement).findAllByTestId('unit-card'))[lastUnitIdx];
@@ -2051,8 +2030,6 @@ describe('<CourseOutline />', () => {
     const sections = await findAllByTestId('section-card');
     const [sectionElement] = sections;
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(expandBtn));
     // get first and only unit in the subsection
     const [firstUnit] = await within(subsectionElement).findAllByTestId('unit-card');
 
@@ -2072,8 +2049,6 @@ describe('<CourseOutline />', () => {
     const lastSection = sections[sections.length - 1];
     // it has only one subsection
     const [lastSubsectionElement] = await within(lastSection).findAllByTestId('subsection-card');
-    const lastExpandBtn = await within(lastSubsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await act(async () => fireEvent.click(lastExpandBtn));
     // get last and the only unit in the subsection
     const [lastUnit] = await within(lastSubsectionElement).findAllByTestId('unit-card');
 
@@ -2094,6 +2069,9 @@ describe('<CourseOutline />', () => {
     const { findAllByTestId } = render(<RootWrapper />);
 
     const [sectionElement] = await findAllByTestId('section-card');
+    const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
+    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
+    fireEvent.click(expandBtn);
     const [section] = store.getState().courseOutline.sectionsList;
     const subsectionsDraggers = within(sectionElement).getAllByRole('button', { name: 'Drag to reorder' });
     const draggableButton = subsectionsDraggers[1];
@@ -2125,6 +2103,9 @@ describe('<CourseOutline />', () => {
     const { findAllByTestId } = render(<RootWrapper />);
 
     const [sectionElement] = await findAllByTestId('section-card');
+    const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
+    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
+    fireEvent.click(expandBtn);
     const [section] = store.getState().courseOutline.sectionsList;
     const subsectionsDraggers = within(sectionElement).getAllByRole('button', { name: 'Drag to reorder' });
     const draggableButton = subsectionsDraggers[1];
@@ -2154,8 +2135,6 @@ describe('<CourseOutline />', () => {
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
     const section = store.getState().courseOutline.sectionsList[2];
     const [subsection] = section.childInfo.children;
-    const expandBtn = within(subsectionElement).getByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const unitDraggers = await within(subsectionElement).findAllByRole('button', { name: 'Drag to reorder' });
     const draggableButton = unitDraggers[1];
     const sections = courseOutlineIndexMock.courseStructure.childInfo.children;
@@ -2190,8 +2169,6 @@ describe('<CourseOutline />', () => {
     const [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
     const section = store.getState().courseOutline.sectionsList[2];
     const [subsection] = section.childInfo.children;
-    const expandBtn = within(subsectionElement).getByTestId('subsection-card-header__expanded-btn');
-    fireEvent.click(expandBtn);
     const unitDraggers = await within(subsectionElement).findAllByRole('button', { name: 'Drag to reorder' });
     const draggableButton = unitDraggers[1];
     const sections = courseOutlineIndexMock.courseStructure.childInfo.children;
@@ -2229,8 +2206,6 @@ describe('<CourseOutline />', () => {
       .onGet(getXBlockApiUrl(section.id))
       .reply(200, courseSectionMock);
     let [subsectionElement] = await within(sectionElement).findAllByTestId('subsection-card');
-    const expandBtn = await within(subsectionElement).findByTestId('subsection-card-header__expanded-btn');
-    await userEvent.click(expandBtn);
     const [unit] = subsection.childInfo.children;
     const [unitElement] = await within(subsectionElement).findAllByTestId('unit-card');
 

src/course-outline/card-header/CardHeader.jsx

@@ -1,6 +1,7 @@
 // @ts-check
 import React, { useEffect, useRef, useState } from 'react';
 import PropTypes from 'prop-types';
+import classNames from 'classnames';
 import { getConfig } from '@edx/frontend-platform';
 import { useIntl } from '@edx/frontend-platform/i18n';
 import { useSearchParams } from 'react-router-dom';
@@ -10,6 +11,7 @@ import {
   Hyperlink,
   Icon,
   IconButton,
+  IconButtonWithTooltip,
   useToggle,
 } from '@openedx/paragon';
 import {
@@ -133,19 +135,24 @@ const CardHeader = ({
         ) : (
           <>
             {titleComponent}
-            {readyToSync && (
-              <IconButton
-                className="item-card-button-icon"
-                data-testid={`${namePrefix}-sync-button`}
-                alt={intl.formatMessage(messages.readyToSyncButtonAlt)}
-                iconAs={SyncIcon}
-                onClick={onClickSync}
-              />
-            )}
-            <IconButton
-              className="item-card-button-icon"
+            <IconButtonWithTooltip
+              className={classNames(
+                'item-card-button-icon',
+                {
+                  'item-card-button-icon-disabled': isDisabledEditField,
+                },
+              )}
               data-testid={`${namePrefix}-edit-button`}
-              alt={intl.formatMessage(messages.altButtonEdit)}
+              alt={intl.formatMessage(
+                isDisabledEditField ? messages.cannotEditTooltip : messages.altButtonRename,
+              )}
+              tooltipContent={(
+                <div>
+                  {intl.formatMessage(
+                    isDisabledEditField ? messages.cannotEditTooltip : messages.altButtonRename,
+                  )}
+                </div>
+              )}
               iconAs={EditIcon}
               onClick={onClickEdit}
               // @ts-ignore
@@ -161,6 +168,15 @@ const CardHeader = ({
             <TagCount count={contentTagCount} onClick={openManageTagsDrawer} />
           )}
           {extraActionsComponent}
+          {readyToSync && (
+            <IconButtonWithTooltip
+              data-testid={`${namePrefix}-sync-button`}
+              alt={intl.formatMessage(messages.readyToSyncButtonAlt)}
+              iconAs={SyncIcon}
+              tooltipContent={<div>{intl.formatMessage(messages.readyToSyncButtonAlt)}</div>}
+              onClick={onClickSync}
+            />
+          )}
           <Dropdown data-testid={`${namePrefix}-card-header__menu`} onClick={onClickMenuButton}>
             <Dropdown.Toggle
               className="item-card-header__menu"

src/course-outline/card-header/CardHeader.scss

@@ -25,6 +25,12 @@
   &:hover {
     .item-card-button-icon {
       opacity: 1;
+
+      &.item-card-button-icon-disabled {
+        pointer-events: all;
+        opacity: .5;
+        cursor: default;
+      }
     }
   }
 }

src/course-outline/card-header/messages.js

@@ -29,9 +29,9 @@ const messages = defineMessages({
     id: 'course-authoring.course-outline.card.status-badge.draft-unpublished-changes',
     defaultMessage: 'Draft (Unpublished changes)',
   },
-  altButtonEdit: {
+  altButtonRename: {
     id: 'course-authoring.course-outline.card.button.edit.alt',
-    defaultMessage: 'Edit',
+    defaultMessage: 'Rename',
   },
   menuPublish: {
     id: 'course-authoring.course-outline.card.menu.publish',
@@ -82,6 +82,11 @@ const messages = defineMessages({
     defaultMessage: 'Update available - click to sync',
     description: 'Alt text for the sync icon button.',
   },
+  cannotEditTooltip: {
+    id: 'course-authoring.course-outline.card.button.edit.disable.tooltip',
+    defaultMessage: 'This object was added from a library, so it cannot be edited.',
+    description: 'Tooltip text of button when the object was added from a library.',
+  },
 });
 
 export default messages;

src/course-outline/header-navigations/HeaderNavigations.jsx

@@ -66,6 +66,8 @@ const HeaderNavigations = ({
       {hasSections && (
         <Button
           variant="outline-primary"
+          id="expand-collapse-all-button"
+          data-testid="expand-collapse-all-button"
           iconBefore={isSectionsExpanded ? ArrowUpIcon : ArrowDownIcon}
           onClick={handleExpandAll}
         >

src/course-outline/subsection-card/SubsectionCard.jsx

@@ -3,7 +3,7 @@ import React, {
   useContext, useEffect, useState, useRef, useCallback,
 } from 'react';
 import PropTypes from 'prop-types';
-import { useDispatch } from 'react-redux';
+import { useDispatch, useSelector } from 'react-redux';
 import { useSearchParams } from 'react-router-dom';
 import { useIntl } from '@edx/frontend-platform/i18n';
 import { Button, StandardModal, useToggle } from '@openedx/paragon';
@@ -25,12 +25,13 @@ import messages from './messages';
 import { ComponentPicker } from '../../library-authoring';
 import { COMPONENT_TYPES } from '../../generic/block-type-utils/constants';
 import { ContainerType } from '../../generic/key-utils';
-import { useStudioHome } from '../../studio-home/hooks';
 import { ContentType } from '../../library-authoring/routes';
+import { getStudioHomeData } from '../../studio-home/data/selectors';
 
 const SubsectionCard = ({
   section,
   subsection,
+  isSectionsExpanded,
   isSelfPaced,
   isCustomRelativeDatesActive,
   children,
@@ -57,7 +58,12 @@ const SubsectionCard = ({
   const [isFormOpen, openForm, closeForm] = useToggle(false);
   const namePrefix = 'subsection';
   const { sharedClipboardData, showPasteUnit } = useClipboard();
-  const { librariesV2Enabled } = useStudioHome();
+  // WARNING: Do not use "useStudioHome" to get "librariesV2Enabled" flag below,
+  // as it has a useEffect that fetches course waffle flags whenever
+  // location.search is updated. Course search updates location.search when
+  // user types, which will then trigger the useEffect and reload the page.
+  // See https://github.com/openedx/frontend-app-authoring/pull/1938.
+  const { librariesV2Enabled } = useSelector(getStudioHomeData);
   const [
     isAddLibraryUnitModalOpen,
     openAddLibraryUnitModal,
@@ -93,7 +99,7 @@ const SubsectionCard = ({
 
     return false;
   };
-  const [isExpanded, setIsExpanded] = useState(containsSearchResult() || !isHeaderVisible);
+  const [isExpanded, setIsExpanded] = useState(containsSearchResult() || !isHeaderVisible || isSectionsExpanded);
   const subsectionStatus = getItemStatus({
     published,
     visibilityState,
@@ -101,6 +107,10 @@ const SubsectionCard = ({
   });
   const borderStyle = getItemStatusBorder(subsectionStatus);
 
+  useEffect(() => {
+    setIsExpanded(isSectionsExpanded);
+  }, [isSectionsExpanded]);
+
   const handleExpandContent = () => {
     setIsExpanded((prevState) => !prevState);
   };
@@ -247,7 +257,7 @@ const SubsectionCard = ({
               </div>
             </>
           )}
-          {isExpanded && (
+          {(isExpanded) && (
             <div
               data-testid="subsection-card__units"
               className={classNames('subsection-card__units', { 'item-children': isDraggable })}
@@ -349,6 +359,7 @@ SubsectionCard.propTypes = {
     }).isRequired,
   }).isRequired,
   children: PropTypes.node,
+  isSectionsExpanded: PropTypes.bool.isRequired,
   isSelfPaced: PropTypes.bool.isRequired,
   isCustomRelativeDatesActive: PropTypes.bool.isRequired,
   onOpenPublishModal: PropTypes.func.isRequired,

src/course-outline/subsection-card/SubsectionCard.test.jsx

@@ -24,8 +24,9 @@ jest.mock('react-router-dom', () => ({
   }),
 }));
 
-jest.mock('../../studio-home/hooks', () => ({
-  useStudioHome: () => ({
+jest.mock('react-redux', () => ({
+  ...jest.requireActual('react-redux'),
+  useSelector: () => ({
     librariesV2Enabled: true,
   }),
 }));

src/course-outline/unit-card/UnitCard.jsx

@@ -229,12 +229,14 @@ const UnitCard = ({
           </div>
         </div>
       </SortableItem>
-      <PreviewLibraryXBlockChanges
-        blockData={blockSyncData}
-        isModalOpen={isSyncModalOpen}
-        closeModal={closeSyncModal}
-        postChange={handleOnPostChangeSync}
-      />
+      {blockSyncData && (
+        <PreviewLibraryXBlockChanges
+          blockData={blockSyncData}
+          isModalOpen={isSyncModalOpen}
+          closeModal={closeSyncModal}
+          postChange={handleOnPostChangeSync}
+        />
+      )}
     </>
   );
 };

src/course-outline/unit-card/UnitCard.test.jsx

@@ -176,7 +176,7 @@ describe('<UnitCard />', () => {
 
     // Should open compare preview modal
     expect(screen.getByRole('heading', { name: /preview changes: unit name/i })).toBeInTheDocument();
-    expect(screen.getByText('Preview not available')).toBeInTheDocument();
+    expect(screen.getByText('Preview not available for unit changes at this time')).toBeInTheDocument();
 
     // Click on accept changes
     const acceptChangesButton = screen.getByText(/accept changes/i);
@@ -196,7 +196,7 @@ describe('<UnitCard />', () => {
 
     // Should open compare preview modal
     expect(screen.getByRole('heading', { name: /preview changes: unit name/i })).toBeInTheDocument();
-    expect(screen.getByText('Preview not available')).toBeInTheDocument();
+    expect(screen.getByText('Preview not available for unit changes at this time')).toBeInTheDocument();
 
     // Click on ignore changes
     const ignoreChangesButton = screen.getByRole('button', { name: /ignore changes/i });

src/course-unit/CourseUnit.jsx

@@ -3,8 +3,7 @@ import PropTypes from 'prop-types';
 import { useSelector } from 'react-redux';
 import { useParams } from 'react-router-dom';
 import {
-  Container, Layout, Stack, Button, TransitionReplace,
-  Alert,
+  Alert, Container, Layout, Button, TransitionReplace,
 } from '@openedx/paragon';
 import { useIntl } from '@edx/frontend-platform/i18n';
 import {
@@ -27,8 +26,6 @@ import AddComponent from './add-component/AddComponent';
 import HeaderTitle from './header-title/HeaderTitle';
 import Breadcrumbs from './breadcrumbs/Breadcrumbs';
 import Sequence from './course-sequence';
-import Sidebar from './sidebar';
-import SplitTestSidebarInfo from './sidebar/SplitTestSidebarInfo';
 import { useCourseUnit, useLayoutGrid, useScrollToLastPosition } from './hooks';
 import messages from './messages';
 import { PasteNotificationAlert } from './clipboard';
@@ -44,6 +41,7 @@ const CourseUnit = ({ courseId }) => {
     courseUnit,
     isLoading,
     sequenceId,
+    courseUnitLoadingStatus,
     unitTitle,
     unitCategory,
     errorMessage,
@@ -140,7 +138,7 @@ const CourseUnit = ({ courseId }) => {
               />
             ) : null}
           </TransitionReplace>
-          {courseUnit.upstreamInfo.upstreamLink && (
+          {courseUnit.upstreamInfo?.upstreamLink && (
             <AlertMessage
               title={intl.formatMessage(
                 messages.alertLibraryUnitReadOnlyText,
@@ -213,6 +211,7 @@ const CourseUnit = ({ courseId }) => {
                 courseId={courseId}
                 blockId={blockId}
                 isUnitVerticalType={isUnitVerticalType}
+                courseUnitLoadingStatus={courseUnitLoadingStatus}
                 unitXBlockActions={unitXBlockActions}
                 courseVerticalChildren={courseVerticalChildren.children}
                 handleConfigureSubmit={handleConfigureSubmit}
@@ -244,22 +243,15 @@ const CourseUnit = ({ courseId }) => {
               <IframePreviewLibraryXBlockChanges />
             </Layout.Element>
             <Layout.Element>
-              <Stack gap={3}>
-                {isUnitVerticalType && (
-                <CourseAuthoringUnitSidebarSlot
-                  courseId={courseId}
-                  blockId={blockId}
-                  unitTitle={unitTitle}
-                  xBlocks={courseVerticalChildren.children}
-                  readOnly={readOnly}
-                />
-                )}
-                {isSplitTestType && (
-                  <Sidebar data-testid="course-split-test-sidebar">
-                    <SplitTestSidebarInfo />
-                  </Sidebar>
-                )}
-              </Stack>
+              <CourseAuthoringUnitSidebarSlot
+                courseId={courseId}
+                blockId={blockId}
+                unitTitle={unitTitle}
+                xBlocks={courseVerticalChildren.children}
+                readOnly={readOnly}
+                isUnitVerticalType={isUnitVerticalType}
+                isSplitTestType={isSplitTestType}
+              />
             </Layout.Element>
           </Layout>
         </section>

src/course-unit/CourseUnit.test.jsx

@@ -17,7 +17,6 @@ import { cloneDeep, set } from 'lodash';
 
 import {
   getCourseSectionVerticalApiUrl,
-  getCourseUnitApiUrl,
   getCourseVerticalChildrenApiUrl,
   getCourseOutlineInfoUrl,
   getXBlockBaseApiUrl,
@@ -28,7 +27,6 @@ import {
   deleteUnitItemQuery,
   editCourseUnitVisibilityAndData,
   fetchCourseSectionVerticalData,
-  fetchCourseUnitQuery,
   fetchCourseVerticalChildrenData,
   getCourseOutlineInfoQuery,
   patchUnitItemQuery,
@@ -37,13 +35,12 @@ import initializeStore from '../store';
 import {
   courseCreateXblockMock,
   courseSectionVerticalMock,
-  courseUnitIndexMock,
   courseUnitMock,
   courseVerticalChildrenMock,
   clipboardMockResponse,
   courseOutlineInfoMock,
 } from './__mocks__';
-import { clipboardUnit, clipboardXBlock } from '../__mocks__';
+import { clipboardUnit } from '../__mocks__';
 import { executeThunk } from '../utils';
 import { IFRAME_FEATURE_POLICY } from '../constants';
 import pasteComponentMessages from '../generic/clipboard/paste-component/messages';
@@ -65,13 +62,15 @@ import xblockContainerIframeMessages from './xblock-container-iframe/messages';
 import headerNavigationsMessages from './header-navigations/messages';
 import sidebarMessages from './sidebar/messages';
 import messages from './messages';
+import * as selectors from '../data/selectors';
 
 let axiosMock;
 let store;
 let queryClient;
 const courseId = '123';
 const blockId = '567890';
-const unitDisplayName = courseUnitIndexMock.metadata.display_name;
+const sequenceId = 'block-v1:edX+DemoX+Demo_Course+type@sequential+block@19a30717eff543078a5d94ae9d6c18a5';
+const unitDisplayName = courseSectionVerticalMock.xblock_info.display_name;
 const mockedUsedNavigate = jest.fn();
 const userName = 'openedx';
 const handleConfigureSubmitMock = jest.fn();
@@ -89,7 +88,7 @@ const postXBlockBody = {
 
 jest.mock('react-router-dom', () => ({
   ...jest.requireActual('react-router-dom'),
-  useParams: () => ({ blockId }),
+  useParams: () => ({ blockId, sequenceId }),
   useNavigate: () => mockedUsedNavigate,
 }));
 
@@ -145,14 +144,10 @@ describe('<CourseUnit />', () => {
     axiosMock
       .onGet(getClipboardUrl())
       .reply(200, clipboardUnit);
-    axiosMock
-      .onGet(getCourseUnitApiUrl(courseId))
-      .reply(200, courseUnitIndexMock);
-    await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
     axiosMock
       .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, courseSectionVerticalMock);
-    await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(blockId, courseId), store.dispatch);
     axiosMock
       .onGet(getCourseVerticalChildrenApiUrl(blockId))
       .reply(200, courseVerticalChildrenMock);
@@ -166,27 +161,27 @@ describe('<CourseUnit />', () => {
   });
 
   it('render CourseUnit component correctly', async () => {
-    const { getByText, getByRole, getByTestId } = render(<RootWrapper />);
-    const currentSectionName = courseUnitIndexMock.ancestor_info.ancestors[1].display_name;
-    const currentSubSectionName = courseUnitIndexMock.ancestor_info.ancestors[1].display_name;
+    render(<RootWrapper />);
+    const currentSectionName = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[1].display_name;
+    const currentSubSectionName = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[1].display_name;
 
     await waitFor(() => {
-      const unitHeaderTitle = getByTestId('unit-header-title');
-      expect(getByText(unitDisplayName)).toBeInTheDocument();
+      const unitHeaderTitle = screen.getByTestId('unit-header-title');
+      expect(screen.getByText(unitDisplayName)).toBeInTheDocument();
       expect(within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonEdit.defaultMessage })).toBeInTheDocument();
       expect(within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonSettings.defaultMessage })).toBeInTheDocument();
-      expect(getByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage })).toBeInTheDocument();
-      expect(getByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage })).toBeInTheDocument();
-      expect(getByRole('button', { name: currentSectionName })).toBeInTheDocument();
-      expect(getByRole('button', { name: currentSubSectionName })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: currentSectionName })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: currentSubSectionName })).toBeInTheDocument();
     });
   });
 
   it('renders the course unit iframe with correct attributes', async () => {
-    const { getByTitle } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(iframe).toHaveAttribute('src', `${getConfig().STUDIO_BASE_URL}/container_embed/${blockId}`);
       expect(iframe).toHaveAttribute('allow', IFRAME_FEATURE_POLICY);
       expect(iframe).toHaveAttribute('style', 'height: 0px;');
@@ -210,27 +205,27 @@ describe('<CourseUnit />', () => {
   });
 
   it('displays an error alert when a studioAjaxError message is received', async () => {
-    const { getByTitle, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const xblocksIframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const xblocksIframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(xblocksIframe).toBeInTheDocument();
       simulatePostMessageEvent(messageTypes.studioAjaxError, {
         error: 'Some error text...',
       });
     });
-    expect(getByTestId('saving-error-alert')).toBeInTheDocument();
+    expect(screen.getByTestId('saving-error-alert')).toBeInTheDocument();
   });
 
   it('renders XBlock iframe and opens legacy edit modal on editXBlock message', async () => {
-    const { getByTitle } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const xblocksIframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const xblocksIframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(xblocksIframe).toBeInTheDocument();
       simulatePostMessageEvent(messageTypes.editXBlock, { id: blockId });
 
-      const legacyXBlockEditModalIframe = getByTitle(
+      const legacyXBlockEditModalIframe = screen.getByTitle(
         xblockContainerIframeMessages.legacyEditModalIframeTitle.defaultMessage,
       );
       expect(legacyXBlockEditModalIframe).toBeInTheDocument();
@@ -248,14 +243,14 @@ describe('<CourseUnit />', () => {
   });
 
   it('closes the legacy edit modal when closeXBlockEditorModal message is received', async () => {
-    const { getByTitle, queryByTitle } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const xblocksIframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const xblocksIframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(xblocksIframe).toBeInTheDocument();
       simulatePostMessageEvent(messageTypes.closeXBlockEditorModal, { id: blockId });
 
-      const legacyXBlockEditModalIframe = queryByTitle(
+      const legacyXBlockEditModalIframe = screen.queryByTitle(
         xblockContainerIframeMessages.legacyEditModalIframeTitle.defaultMessage,
       );
       expect(legacyXBlockEditModalIframe).not.toBeInTheDocument();
@@ -263,29 +258,32 @@ describe('<CourseUnit />', () => {
   });
 
   it('closes legacy edit modal and updates course unit sidebar after saveEditedXBlockData message', async () => {
-    const { getByTitle, queryByTitle, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const xblocksIframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const xblocksIframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(xblocksIframe).toBeInTheDocument();
       simulatePostMessageEvent(messageTypes.saveEditedXBlockData);
 
-      const legacyXBlockEditModalIframe = queryByTitle(
+      const legacyXBlockEditModalIframe = screen.queryByTitle(
         xblockContainerIframeMessages.legacyEditModalIframeTitle.defaultMessage,
       );
       expect(legacyXBlockEditModalIframe).not.toBeInTheDocument();
     });
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        has_changes: true,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          has_changes: true,
+          published_by: userName,
+        },
       });
 
     await waitFor(() => {
-      const courseUnitSidebar = getByTestId('course-unit-sidebar');
+      const courseUnitSidebar = screen.getByTestId('course-unit-sidebar');
       expect(
         within(courseUnitSidebar).getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage),
       ).toBeInTheDocument();
@@ -304,24 +302,27 @@ describe('<CourseUnit />', () => {
   });
 
   it('updates course unit sidebar after receiving refreshPositions message', async () => {
-    const { getByTitle, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const xblocksIframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const xblocksIframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(xblocksIframe).toBeInTheDocument();
       simulatePostMessageEvent(messageTypes.refreshPositions);
     });
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        has_changes: true,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          has_changes: true,
+          published_by: userName,
+        },
       });
 
     await waitFor(() => {
-      const courseUnitSidebar = getByTestId('course-unit-sidebar');
+      const courseUnitSidebar = screen.getByTestId('course-unit-sidebar');
       expect(
         within(courseUnitSidebar).getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage),
       ).toBeInTheDocument();
@@ -340,12 +341,10 @@ describe('<CourseUnit />', () => {
   });
 
   it('checks whether xblock is removed when the corresponding delete button is clicked and the sidebar is the updated', async () => {
-    const {
-      getByTitle, getByText, queryByRole, getByRole,
-    } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(async () => {
-      const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(iframe).toHaveAttribute(
         'aria-label',
         xblockContainerIframeMessages.xblockIframeLabel.defaultMessage
@@ -356,10 +355,10 @@ describe('<CourseUnit />', () => {
         usageId: courseVerticalChildrenMock.children[0].block_id,
       });
 
-      expect(getByText(/Delete this component?/i)).toBeInTheDocument();
-      expect(getByText(/Deleting this component is permanent and cannot be undone./i)).toBeInTheDocument();
+      expect(screen.getByText(/Delete this component?/i)).toBeInTheDocument();
+      expect(screen.getByText(/Deleting this component is permanent and cannot be undone./i)).toBeInTheDocument();
 
-      const dialog = getByRole('dialog');
+      const dialog = screen.getByRole('dialog');
       expect(dialog).toBeInTheDocument();
 
       // Find the Cancel and Delete buttons within the iframe by their specific classes
@@ -372,7 +371,7 @@ describe('<CourseUnit />', () => {
         usageId: courseVerticalChildrenMock.children[0].block_id,
       });
 
-      expect(getByRole('dialog')).toBeInTheDocument();
+      expect(screen.getByRole('dialog')).toBeInTheDocument();
       userEvent.click(deleteButton);
     });
 
@@ -382,30 +381,36 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.live,
-        has_changes: false,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.live,
+          has_changes: false,
+          published_by: userName,
+        },
       });
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     await waitFor(() => {
       // check if the sidebar status is Published and Live
-      expect(getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(
         sidebarMessages.publishLastPublished.defaultMessage
-          .replace('{publishedOn}', courseUnitIndexMock.published_on)
+          .replace('{publishedOn}', courseSectionVerticalMock.xblock_info.published_on)
           .replace('{publishedBy}', userName),
       )).toBeInTheDocument();
-      expect(queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
-      expect(getByText(unitDisplayName)).toBeInTheDocument();
+      expect(screen.queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
+      expect(screen.getByText(unitDisplayName)).toBeInTheDocument();
     });
 
     axiosMock
       .onDelete(getXBlockBaseApiUrl(courseVerticalChildrenMock.children[0].block_id))
       .reply(200, { dummy: 'value' });
+    axiosMock
+      .onGet(getCourseSectionVerticalApiUrl(courseId))
+      .reply(200, courseSectionVerticalMock);
     await executeThunk(deleteUnitItemQuery(
       courseId,
       courseVerticalChildrenMock.children[0].block_id,
@@ -426,43 +431,41 @@ describe('<CourseUnit />', () => {
     await executeThunk(fetchCourseVerticalChildrenData(blockId), store.dispatch);
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .reply(200, courseUnitIndexMock);
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     await waitFor(() => {
-      const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(iframe).toHaveAttribute(
         'aria-label',
         xblockContainerIframeMessages.xblockIframeLabel.defaultMessage
           .replace('{xblockCount}', updatedCourseVerticalChildren.length),
       );
       // after removing the xblock, the sidebar status changes to Draft (unpublished changes)
-      expect(getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(courseUnitIndexMock.release_date)).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(courseSectionVerticalMock.xblock_info.release_date)).toBeInTheDocument();
+      expect(screen.getByText(
         sidebarMessages.publishInfoDraftSaved.defaultMessage
-          .replace('{editedOn}', courseUnitIndexMock.edited_on)
-          .replace('{editedBy}', courseUnitIndexMock.edited_by),
+          .replace('{editedOn}', courseSectionVerticalMock.xblock_info.edited_on)
+          .replace('{editedBy}', courseSectionVerticalMock.xblock_info.edited_by),
       )).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(
         sidebarMessages.releaseInfoWithSection.defaultMessage
-          .replace('{sectionName}', courseUnitIndexMock.release_date_from),
+          .replace('{sectionName}', courseSectionVerticalMock.xblock_info.release_date_from),
       )).toBeInTheDocument();
     });
   });
 
   it('checks if xblock is a duplicate when the corresponding duplicate button is clicked and if the sidebar status is updated', async () => {
-    const {
-      getByTitle, getByRole, getByText, queryByRole,
-    } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     simulatePostMessageEvent(messageTypes.duplicateXBlock, {
       id: courseVerticalChildrenMock.children[0].block_id,
@@ -478,8 +481,14 @@ describe('<CourseUnit />', () => {
     const updatedCourseVerticalChildren = [
       ...courseVerticalChildrenMock.children,
       {
-        ...courseVerticalChildrenMock.children[0],
         name: 'New Cloned XBlock',
+        block_id: '1234567890',
+        block_type: 'drag-and-drop-v2',
+        user_partition_info: {
+          selectable_partitions: [],
+          selected_partition_index: -1,
+          selected_groups_label: '',
+        },
       },
     ];
 
@@ -491,9 +500,9 @@ describe('<CourseUnit />', () => {
       });
 
     await waitFor(() => {
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
 
-      const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(iframe).toHaveAttribute(
         'aria-label',
         xblockContainerIframeMessages.xblockIframeLabel.defaultMessage
@@ -511,34 +520,37 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.live,
-        has_changes: false,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.live,
+          has_changes: false,
+          published_by: userName,
+        },
       });
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     await waitFor(() => {
       // check if the sidebar status is Published and Live
-      expect(getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(
         sidebarMessages.publishLastPublished.defaultMessage
-          .replace('{publishedOn}', courseUnitIndexMock.published_on)
+          .replace('{publishedOn}', courseSectionVerticalMock.xblock_info.published_on)
           .replace('{publishedBy}', userName),
       )).toBeInTheDocument();
-      expect(queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
-      expect(getByText(unitDisplayName)).toBeInTheDocument();
+      expect(screen.queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
+      expect(screen.getByText(unitDisplayName)).toBeInTheDocument();
     });
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .reply(200, courseUnitIndexMock);
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     await waitFor(() => {
-      const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(iframe).toHaveAttribute(
         'aria-label',
         xblockContainerIframeMessages.xblockIframeLabel.defaultMessage
@@ -546,23 +558,23 @@ describe('<CourseUnit />', () => {
       );
 
       // after duplicate the xblock, the sidebar status changes to Draft (unpublished changes)
-      expect(getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(courseUnitIndexMock.release_date)).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(courseSectionVerticalMock.xblock_info.release_date)).toBeInTheDocument();
+      expect(screen.getByText(
         sidebarMessages.publishInfoDraftSaved.defaultMessage
-          .replace('{editedOn}', courseUnitIndexMock.edited_on)
-          .replace('{editedBy}', courseUnitIndexMock.edited_by),
+          .replace('{editedOn}', courseSectionVerticalMock.xblock_info.edited_on)
+          .replace('{editedBy}', courseSectionVerticalMock.xblock_info.edited_by),
       )).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(
         sidebarMessages.releaseInfoWithSection.defaultMessage
-          .replace('{sectionName}', courseUnitIndexMock.release_date_from),
+          .replace('{sectionName}', courseSectionVerticalMock.xblock_info.release_date_from),
       )).toBeInTheDocument();
     });
   });
@@ -570,19 +582,19 @@ describe('<CourseUnit />', () => {
   it('handles CourseUnit header action buttons', async () => {
     const { open } = window;
     window.open = jest.fn();
-    const { getByRole } = render(<RootWrapper />);
+    render(<RootWrapper />);
     const {
       draft_preview_link: draftPreviewLink,
       published_preview_link: publishedPreviewLink,
     } = courseSectionVerticalMock;
 
     await waitFor(() => {
-      const viewLiveButton = getByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage });
+      const viewLiveButton = screen.getByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage });
       userEvent.click(viewLiveButton);
       expect(window.open).toHaveBeenCalled();
       expect(window.open).toHaveBeenCalledWith(publishedPreviewLink, '_blank');
 
-      const previewButton = getByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage });
+      const previewButton = screen.getByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage });
       userEvent.click(previewButton);
       expect(window.open).toHaveBeenCalled();
       expect(window.open).toHaveBeenCalledWith(draftPreviewLink, '_blank');
@@ -592,12 +604,7 @@ describe('<CourseUnit />', () => {
   });
 
   it('checks courseUnit title changing when edit query is successfully', async () => {
-    const {
-      findByText,
-      queryByRole,
-      getByRole,
-      getByTestId,
-    } = render(<RootWrapper />);
+    render(<RootWrapper />);
     let editTitleButton = null;
     let titleEditField = null;
     const newDisplayName = `${unitDisplayName} new`;
@@ -610,12 +617,15 @@ describe('<CourseUnit />', () => {
       }))
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        metadata: {
-          ...courseUnitIndexMock.metadata,
-          display_name: newDisplayName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          metadata: {
+            ...courseSectionVerticalMock.xblock_info.metadata,
+            display_name: newDisplayName,
+          },
         },
       });
     axiosMock
@@ -633,7 +643,7 @@ describe('<CourseUnit />', () => {
       });
 
     await waitFor(() => {
-      const unitHeaderTitle = getByTestId('unit-header-title');
+      const unitHeaderTitle = screen.getByTestId('unit-header-title');
       editTitleButton = within(unitHeaderTitle)
         .getByRole('button', { name: headerTitleMessages.altButtonEdit.defaultMessage });
       titleEditField = within(unitHeaderTitle)
@@ -641,7 +651,7 @@ describe('<CourseUnit />', () => {
     });
     expect(titleEditField).not.toBeInTheDocument();
     userEvent.click(editTitleButton);
-    titleEditField = getByRole('textbox', { name: headerTitleMessages.ariaLabelButtonEdit.defaultMessage });
+    titleEditField = screen.getByRole('textbox', { name: headerTitleMessages.ariaLabelButtonEdit.defaultMessage });
 
     await userEvent.clear(titleEditField);
     await userEvent.type(titleEditField, newDisplayName);
@@ -649,9 +659,10 @@ describe('<CourseUnit />', () => {
 
     expect(titleEditField).toHaveValue(newDisplayName);
 
-    titleEditField = queryByRole('textbox', { name: headerTitleMessages.ariaLabelButtonEdit.defaultMessage });
+    titleEditField = screen.queryByRole('textbox', { name: headerTitleMessages.ariaLabelButtonEdit.defaultMessage });
+    titleEditField = screen.queryByRole('textbox', { name: headerTitleMessages.ariaLabelButtonEdit.defaultMessage });
     expect(titleEditField).not.toBeInTheDocument();
-    expect(await findByText(newDisplayName)).toBeInTheDocument();
+    expect(await screen.findByText(newDisplayName)).toBeInTheDocument();
   });
 
   it('doesn\'t handle creating xblock and displays an error message', async () => {
@@ -671,15 +682,14 @@ describe('<CourseUnit />', () => {
     });
   });
 
-  it('handle creating Problem xblock and navigate to editor page', async () => {
-    const { courseKey, locator } = courseCreateXblockMock;
+  it('handle creating Problem xblock and showing editor modal', async () => {
     axiosMock
       .onPost(postXBlockBaseApiUrl({ type: 'problem', category: 'problem', parentLocator: blockId }))
       .reply(200, courseCreateXblockMock);
-    const { getByText, getByRole } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
     });
 
     axiosMock
@@ -688,93 +698,57 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.live,
-        has_changes: false,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.live,
+          has_changes: false,
+          published_by: userName,
+        },
       });
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     await waitFor(() => {
-      const problemButton = getByRole('button', {
+      const problemButton = screen.getByRole('button', {
         name: new RegExp(`problem ${addComponentMessages.buttonText.defaultMessage} Problem`, 'i'),
+        hidden: true,
       });
 
       userEvent.click(problemButton);
-      expect(mockedUsedNavigate).toHaveBeenCalled();
-      expect(mockedUsedNavigate).toHaveBeenCalledWith(`/course/${courseKey}/editor/problem/${locator}`);
     });
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .reply(200, courseUnitIndexMock);
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     // after creating problem xblock, the sidebar status changes to Draft (unpublished changes)
-    expect(getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(courseUnitIndexMock.release_date)).toBeInTheDocument();
-    expect(getByText(
+    expect(screen.getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(courseSectionVerticalMock.xblock_info.release_date)).toBeInTheDocument();
+    expect(screen.getByText(
       sidebarMessages.publishInfoDraftSaved.defaultMessage
-        .replace('{editedOn}', courseUnitIndexMock.edited_on)
-        .replace('{editedBy}', courseUnitIndexMock.edited_by),
+        .replace('{editedOn}', courseSectionVerticalMock.xblock_info.edited_on)
+        .replace('{editedBy}', courseSectionVerticalMock.xblock_info.edited_by),
     )).toBeInTheDocument();
-    expect(getByText(
+    expect(screen.getByText(
       sidebarMessages.releaseInfoWithSection.defaultMessage
-        .replace('{sectionName}', courseUnitIndexMock.release_date_from),
+        .replace('{sectionName}', courseSectionVerticalMock.xblock_info.release_date_from),
     )).toBeInTheDocument();
   });
 
-  it('handle creating Text xblock and saves scroll position in localStorage', async () => {
-    const { getByText, getByRole } = render(<RootWrapper />);
-    const xblockType = 'text';
-
-    axiosMock
-      .onPost(postXBlockBaseApiUrl({ type: xblockType, category: 'html', parentLocator: blockId }))
-      .reply(200, courseCreateXblockMock);
-
-    window.scrollTo(0, 250);
-    Object.defineProperty(window, 'scrollY', { value: 250, configurable: true });
-
-    await waitFor(() => {
-      const textButton = screen.getByRole('button', { name: /Text/i });
-
-      expect(getByText(addComponentMessages.title.defaultMessage)).toBeInTheDocument();
-
-      userEvent.click(textButton);
-
-      const addXBlockDialog = getByRole('dialog');
-      expect(addXBlockDialog).toBeInTheDocument();
-
-      expect(getByText(
-        addComponentMessages.modalContainerTitle.defaultMessage.replace('{componentTitle}', xblockType),
-      )).toBeInTheDocument();
-
-      const textRadio = screen.getByRole('radio', { name: /Text/i });
-      userEvent.click(textRadio);
-      expect(textRadio).toBeChecked();
-
-      const selectBtn = getByRole('button', { name: addComponentMessages.modalBtnText.defaultMessage });
-      expect(selectBtn).toBeInTheDocument();
-
-      userEvent.click(selectBtn);
-    });
-
-    expect(localStorage.getItem('createXBlockLastYPosition')).toBe('250');
-  });
-
   it('correct addition of a new course unit after click on the "Add new unit" button', async () => {
-    const { getByRole, getAllByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
     let units = null;
     const updatedCourseSectionVerticalData = cloneDeep(courseSectionVerticalMock);
     const updatedAncestorsChild = updatedCourseSectionVerticalData.xblock_info.ancestor_info.ancestors[0];
@@ -784,7 +758,7 @@ describe('<CourseUnit />', () => {
     ]);
 
     await waitFor(async () => {
-      units = getAllByTestId('course-unit-btn');
+      units = screen.getAllByTestId('course-unit-btn');
       const courseUnits = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[0].child_info.children;
       expect(units).toHaveLength(courseUnits.length);
     });
@@ -801,8 +775,8 @@ describe('<CourseUnit />', () => {
 
     await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-    const addNewUnitBtn = getByRole('button', { name: courseSequenceMessages.newUnitBtnText.defaultMessage });
-    units = getAllByTestId('course-unit-btn');
+    const addNewUnitBtn = screen.getByRole('button', { name: courseSequenceMessages.newUnitBtnText.defaultMessage });
+    units = screen.getAllByTestId('course-unit-btn');
     const updatedCourseUnits = updatedCourseSectionVerticalData
       .xblock_info.ancestor_info.ancestors[0].child_info.children;
 
@@ -814,7 +788,7 @@ describe('<CourseUnit />', () => {
   });
 
   it('the sequence unit is updated after changing the unit header', async () => {
-    const { getAllByTestId, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
     const updatedCourseSectionVerticalData = cloneDeep(courseSectionVerticalMock);
     const updatedAncestorsChild = updatedCourseSectionVerticalData.xblock_info.ancestor_info.ancestors[0];
     set(updatedCourseSectionVerticalData, 'xblock_info.ancestor_info.ancestors[0].child_info.children', [
@@ -831,12 +805,15 @@ describe('<CourseUnit />', () => {
         },
       }))
       .reply(200, { dummy: 'value' })
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        metadata: {
-          ...courseUnitIndexMock.metadata,
-          display_name: newDisplayName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          metadata: {
+            ...courseSectionVerticalMock.xblock_info.metadata,
+            display_name: newDisplayName,
+          },
         },
       })
       .onGet(getCourseSectionVerticalApiUrl(blockId))
@@ -846,7 +823,7 @@ describe('<CourseUnit />', () => {
 
     await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-    const unitHeaderTitle = getByTestId('unit-header-title');
+    const unitHeaderTitle = screen.getByTestId('unit-header-title');
 
     const editTitleButton = within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonEdit.defaultMessage });
     userEvent.click(editTitleButton);
@@ -858,20 +835,21 @@ describe('<CourseUnit />', () => {
     await userEvent.tab();
 
     await waitFor(async () => {
-      const units = getAllByTestId('course-unit-btn');
+      const units = screen.getAllByTestId('course-unit-btn');
       expect(units.some(unit => unit.title === newDisplayName)).toBe(true);
     });
   });
 
-  it('handles creating Video xblock and navigates to editor page', async () => {
-    const { courseKey, locator } = courseCreateXblockMock;
+  it('handles creating Video xblock and showing editor modal using videogalleryflow', async () => {
+    const waffleSpy = jest.spyOn(selectors, 'getWaffleFlags').mockReturnValue({ useVideoGalleryFlow: true });
+
     axiosMock
       .onPost(postXBlockBaseApiUrl({ type: 'video', category: 'video', parentLocator: blockId }))
       .reply(200, courseCreateXblockMock);
-    const { getByText, queryByRole, getByRole } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
     });
 
     axiosMock
@@ -880,96 +858,181 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.live,
-        has_changes: false,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.live,
+          has_changes: false,
+          published_by: userName,
+        },
       });
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     await waitFor(() => {
       // check if the sidebar status is Published and Live
-      expect(getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
-      expect(getByText(
-        sidebarMessages.publishLastPublished.defaultMessage
-          .replace('{publishedOn}', courseUnitIndexMock.published_on)
-          .replace('{publishedBy}', userName),
-      )).toBeInTheDocument();
-      expect(queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
-
-      const videoButton = getByRole('button', {
-        name: new RegExp(`${addComponentMessages.buttonText.defaultMessage} Video`, 'i'),
-      });
-
-      userEvent.click(videoButton);
-      expect(mockedUsedNavigate).toHaveBeenCalled();
-      expect(mockedUsedNavigate).toHaveBeenCalledWith(`/course/${courseKey}/editor/video/${locator}`);
+      expect(screen.getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
     });
 
+    expect(screen.getByText(
+      sidebarMessages.publishLastPublished.defaultMessage
+        .replace('{publishedOn}', courseSectionVerticalMock.xblock_info.published_on)
+        .replace('{publishedBy}', userName),
+    )).toBeInTheDocument();
+    expect(screen.queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
+
+    const videoButton = screen.getByRole('button', {
+      name: new RegExp(`${addComponentMessages.buttonText.defaultMessage} Video`, 'i'),
+      hidden: true,
+    });
+
+    userEvent.click(videoButton);
+
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .reply(200, courseUnitIndexMock);
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
 
     // after creating video xblock, the sidebar status changes to Draft (unpublished changes)
-    expect(getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
-    expect(getByText(courseUnitIndexMock.release_date)).toBeInTheDocument();
-    expect(getByText(
+    expect(screen.getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(courseSectionVerticalMock.xblock_info.release_date)).toBeInTheDocument();
+    expect(screen.getByText(
       sidebarMessages.publishInfoDraftSaved.defaultMessage
-        .replace('{editedOn}', courseUnitIndexMock.edited_on)
-        .replace('{editedBy}', courseUnitIndexMock.edited_by),
+        .replace('{editedOn}', courseSectionVerticalMock.xblock_info.edited_on)
+        .replace('{editedBy}', courseSectionVerticalMock.xblock_info.edited_by),
     )).toBeInTheDocument();
-    expect(getByText(
+    expect(screen.getByText(
       sidebarMessages.releaseInfoWithSection.defaultMessage
-        .replace('{sectionName}', courseUnitIndexMock.release_date_from),
+        .replace('{sectionName}', courseSectionVerticalMock.xblock_info.release_date_from),
+    )).toBeInTheDocument();
+    expect(screen.getByRole('heading', { name: /add video to your course/i, hidden: true })).toBeInTheDocument();
+    waffleSpy.mockRestore();
+  });
+
+  it('handles creating Video xblock and showing editor modal', async () => {
+    axiosMock
+      .onPost(postXBlockBaseApiUrl({ type: 'video', category: 'video', parentLocator: blockId }))
+      .reply(200, courseCreateXblockMock);
+    render(<RootWrapper />);
+
+    await waitFor(() => {
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage }));
+    });
+
+    axiosMock
+      .onPost(getXBlockBaseApiUrl(blockId), {
+        publish: PUBLISH_TYPES.makePublic,
+      })
+      .reply(200, { dummy: 'value' });
+    axiosMock
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, {
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.live,
+          has_changes: false,
+          published_by: userName,
+        },
+      });
+
+    await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
+
+    await waitFor(() => {
+      // check if the sidebar status is Published and Live
+      expect(screen.getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(
+        sidebarMessages.publishLastPublished.defaultMessage
+          .replace('{publishedOn}', courseSectionVerticalMock.xblock_info.published_on)
+          .replace('{publishedBy}', userName),
+      )).toBeInTheDocument();
+      expect(screen.queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage })).not.toBeInTheDocument();
+
+      const videoButton = screen.getByRole('button', {
+        name: new RegExp(`${addComponentMessages.buttonText.defaultMessage} Video`, 'i'),
+        hidden: true,
+      });
+
+      userEvent.click(videoButton);
+    });
+
+    /** TODO -- fix this test.
+    await waitFor(() => {
+      expect(getByRole('textbox', { name: /paste your video id or url/i })).toBeInTheDocument();
+    });
+    */
+
+    axiosMock
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
+
+    await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
+
+    // after creating video xblock, the sidebar status changes to Draft (unpublished changes)
+    expect(screen.getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(courseSectionVerticalMock.xblock_info.release_date)).toBeInTheDocument();
+    expect(screen.getByText(
+      sidebarMessages.publishInfoDraftSaved.defaultMessage
+        .replace('{editedOn}', courseSectionVerticalMock.xblock_info.edited_on)
+        .replace('{editedBy}', courseSectionVerticalMock.xblock_info.edited_by),
+    )).toBeInTheDocument();
+    expect(screen.getByText(
+      sidebarMessages.releaseInfoWithSection.defaultMessage
+        .replace('{sectionName}', courseSectionVerticalMock.xblock_info.release_date_from),
     )).toBeInTheDocument();
   });
 
   it('renders course unit details for a draft with unpublished changes', async () => {
-    const { getByText } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      expect(getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(courseUnitIndexMock.release_date)).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityStaffAndLearnersTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.releaseStatusTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.sidebarBodyNote.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityWillBeVisibleToTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.visibilityCheckboxTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.actionButtonPublishTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.actionButtonDiscardChangesTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(courseSectionVerticalMock.xblock_info.release_date)).toBeInTheDocument();
+      expect(screen.getByText(
         sidebarMessages.publishInfoDraftSaved.defaultMessage
-          .replace('{editedOn}', courseUnitIndexMock.edited_on)
-          .replace('{editedBy}', courseUnitIndexMock.edited_by),
+          .replace('{editedOn}', courseSectionVerticalMock.xblock_info.edited_on)
+          .replace('{editedBy}', courseSectionVerticalMock.xblock_info.edited_by),
       )).toBeInTheDocument();
-      expect(getByText(
+      expect(screen.getByText(
         sidebarMessages.releaseInfoWithSection.defaultMessage
-          .replace('{sectionName}', courseUnitIndexMock.release_date_from),
+          .replace('{sectionName}', courseSectionVerticalMock.xblock_info.release_date_from),
       )).toBeInTheDocument();
     });
   });
 
   it('renders course unit details in the sidebar', async () => {
-    const { getByText } = render(<RootWrapper />);
-    const courseUnitLocationId = extractCourseUnitId(courseUnitIndexMock.id);
+    render(<RootWrapper />);
+    const courseUnitLocationId = extractCourseUnitId(courseSectionVerticalMock.xblock_info.id);
 
     await waitFor(() => {
-      expect(getByText(sidebarMessages.sidebarHeaderUnitLocationTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.unitLocationTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(courseUnitLocationId)).toBeInTheDocument();
-      expect(getByText(sidebarMessages.unitLocationDescription.defaultMessage
+      expect(screen.getByText(sidebarMessages.sidebarHeaderUnitLocationTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.unitLocationTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(courseUnitLocationId)).toBeInTheDocument();
+      expect(screen.getByText(sidebarMessages.unitLocationDescription.defaultMessage
         .replace('{id}', courseUnitLocationId))).toBeInTheDocument();
     });
   });
@@ -990,13 +1053,16 @@ describe('<CourseUnit />', () => {
     render(<RootWrapper />);
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(courseId))
+      .onGet(getCourseSectionVerticalApiUrl(courseId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        currently_visible_to_students: false,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          currently_visible_to_students: false,
+        },
       });
 
-    await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(courseId), store.dispatch);
 
     await waitFor(() => {
       const alert = screen.queryAllByRole('alert').find(
@@ -1007,13 +1073,13 @@ describe('<CourseUnit />', () => {
   });
 
   it('should toggle visibility from sidebar and update course unit state accordingly', async () => {
-    const { getByRole, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
     let courseUnitSidebar;
     let draftUnpublishedChangesHeading;
     let visibilityCheckbox;
 
     await waitFor(() => {
-      courseUnitSidebar = getByTestId('course-unit-sidebar');
+      courseUnitSidebar = screen.getByTestId('course-unit-sidebar');
 
       draftUnpublishedChangesHeading = within(courseUnitSidebar)
         .getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage);
@@ -1033,11 +1099,14 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.staffOnly,
-        has_explicit_staff_lock: true,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.staffOnly,
+          has_explicit_staff_lock: true,
+        },
       });
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.republish, true), store.dispatch);
@@ -1050,7 +1119,7 @@ describe('<CourseUnit />', () => {
 
     userEvent.click(visibilityCheckbox);
 
-    const modalNotification = getByRole('dialog');
+    const modalNotification = screen.getByRole('dialog');
     const makeVisibilityBtn = within(modalNotification).getByRole('button', { name: sidebarMessages.modalMakeVisibilityActionButtonText.defaultMessage });
     const cancelBtn = within(modalNotification).getByRole('button', { name: sidebarMessages.modalMakeVisibilityCancelButtonText.defaultMessage });
     const headingElement = within(modalNotification).getByRole('heading', { name: sidebarMessages.modalMakeVisibilityTitle.defaultMessage, class: 'pgn__modal-title' });
@@ -1070,8 +1139,8 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .reply(200, courseUnitIndexMock);
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.republish, null), store.dispatch);
 
@@ -1082,12 +1151,12 @@ describe('<CourseUnit />', () => {
   });
 
   it('should publish course unit after click on the "Publish" button', async () => {
-    const { getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
     let courseUnitSidebar;
     let publishBtn;
 
     await waitFor(() => {
-      courseUnitSidebar = getByTestId('course-unit-sidebar');
+      courseUnitSidebar = screen.getByTestId('course-unit-sidebar');
       publishBtn = within(courseUnitSidebar).queryByRole('button', { name: sidebarMessages.actionButtonPublishTitle.defaultMessage });
       expect(publishBtn).toBeInTheDocument();
 
@@ -1100,12 +1169,15 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.live,
-        has_changes: false,
-        published_by: userName,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.live,
+          has_changes: false,
+          published_by: userName,
+        },
       });
 
     await executeThunk(editCourseUnitVisibilityAndData(blockId, PUBLISH_TYPES.makePublic, true), store.dispatch);
@@ -1114,19 +1186,19 @@ describe('<CourseUnit />', () => {
       .getByText(sidebarMessages.sidebarTitlePublishedAndLive.defaultMessage)).toBeInTheDocument();
     expect(within(courseUnitSidebar).getByText(
       sidebarMessages.publishLastPublished.defaultMessage
-        .replace('{publishedOn}', courseUnitIndexMock.published_on)
+        .replace('{publishedOn}', courseSectionVerticalMock.xblock_info.published_on)
         .replace('{publishedBy}', userName),
     )).toBeInTheDocument();
     expect(publishBtn).not.toBeInTheDocument();
   });
 
   it('should discard changes after click on the "Discard changes" button', async () => {
-    const { getByTestId, getByRole } = render(<RootWrapper />);
+    render(<RootWrapper />);
     let courseUnitSidebar;
     let discardChangesBtn;
 
     await waitFor(() => {
-      courseUnitSidebar = getByTestId('course-unit-sidebar');
+      courseUnitSidebar = screen.getByTestId('course-unit-sidebar');
 
       const draftUnpublishedChangesHeading = within(courseUnitSidebar)
         .getByText(sidebarMessages.sidebarTitleDraftUnpublishedChanges.defaultMessage);
@@ -1136,7 +1208,7 @@ describe('<CourseUnit />', () => {
 
       userEvent.click(discardChangesBtn);
 
-      const modalNotification = getByRole('dialog');
+      const modalNotification = screen.getByRole('dialog');
       expect(modalNotification).toBeInTheDocument();
       expect(within(modalNotification)
         .getByText(sidebarMessages.modalDiscardUnitChangesDescription.defaultMessage)).toBeInTheDocument();
@@ -1156,9 +1228,14 @@ describe('<CourseUnit />', () => {
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock, published: true, has_changes: false,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          published: true,
+          has_changes: false,
+        },
       });
 
     await executeThunk(editCourseUnitVisibilityAndData(
@@ -1173,7 +1250,7 @@ describe('<CourseUnit />', () => {
   });
 
   it('should toggle visibility from header configure modal and update course unit state accordingly', async () => {
-    const { getByRole, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
     let courseUnitSidebar;
     let sidebarVisibilityCheckbox;
     let modalVisibilityCheckbox;
@@ -1181,16 +1258,16 @@ describe('<CourseUnit />', () => {
     let restrictAccessSelect;
 
     await waitFor(() => {
-      courseUnitSidebar = getByTestId('course-unit-sidebar');
+      courseUnitSidebar = screen.getByTestId('course-unit-sidebar');
       sidebarVisibilityCheckbox = within(courseUnitSidebar)
         .getByLabelText(sidebarMessages.visibilityCheckboxTitle.defaultMessage);
       expect(sidebarVisibilityCheckbox).not.toBeChecked();
 
-      const headerConfigureBtn = getByRole('button', { name: /settings/i });
+      const headerConfigureBtn = screen.getByRole('button', { name: /settings/i });
       expect(headerConfigureBtn).toBeInTheDocument();
 
       userEvent.click(headerConfigureBtn);
-      configureModal = getByTestId('configure-modal');
+      configureModal = screen.getByTestId('configure-modal');
       restrictAccessSelect = within(configureModal)
         .getByRole('combobox', { name: configureModalMessages.restrictAccessTo.defaultMessage });
       expect(within(configureModal)
@@ -1215,17 +1292,20 @@ describe('<CourseUnit />', () => {
     });
 
     axiosMock
-      .onPost(getXBlockBaseApiUrl(courseUnitIndexMock.id), {
+      .onPost(getXBlockBaseApiUrl(courseSectionVerticalMock.xblock_info.id), {
         publish: null,
         metadata: { visible_to_staff_only: true, group_access: { 50: [2] }, discussion_enabled: true },
       })
       .reply(200, { dummy: 'value' });
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .replyOnce(200, {
-        ...courseUnitIndexMock,
-        visibility_state: UNIT_VISIBILITY_STATES.staffOnly,
-        has_explicit_staff_lock: true,
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, {
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          visibility_state: UNIT_VISIBILITY_STATES.staffOnly,
+          has_explicit_staff_lock: true,
+        },
       });
 
     const modalSaveBtn = within(configureModal)
@@ -1246,8 +1326,8 @@ describe('<CourseUnit />', () => {
       ...getConfig(),
       ENABLE_TAGGING_TAXONOMY_PAGES: 'true',
     });
-    const { getByText } = render(<RootWrapper />);
-    await waitFor(() => { expect(getByText('Unit tags')).toBeInTheDocument(); });
+    render(<RootWrapper />);
+    await waitFor(() => { expect(screen.getByText('Unit tags')).toBeInTheDocument(); });
   });
 
   it('hides the Tags sidebar when not enabled', async () => {
@@ -1255,28 +1335,28 @@ describe('<CourseUnit />', () => {
       ...getConfig(),
       ENABLE_TAGGING_TAXONOMY_PAGES: 'false',
     });
-    const { queryByText } = render(<RootWrapper />);
-    await waitFor(() => { expect(queryByText('Unit tags')).not.toBeInTheDocument(); });
+    render(<RootWrapper />);
+    await waitFor(() => { expect(screen.queryByText('Unit tags')).not.toBeInTheDocument(); });
   });
 
   describe('Copy paste functionality', () => {
     it('should copy a unit, paste it as a new unit, and update the course section vertical data', async () => {
-      const {
-        getAllByTestId, getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
+        .onGet(getCourseSectionVerticalApiUrl(blockId))
         .reply(200, {
-          ...courseUnitIndexMock,
-          enable_copy_paste_units: true,
+          ...courseSectionVerticalMock,
+          xblock_info: {
+            ...courseSectionVerticalMock.xblock_info,
+            enable_copy_paste_units: true,
+          },
         });
 
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
-      userEvent.click(getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
 
       let units = null;
       const updatedCourseSectionVerticalData = cloneDeep(courseSectionVerticalMock);
@@ -1287,7 +1367,7 @@ describe('<CourseUnit />', () => {
       ]);
 
       await waitFor(() => {
-        units = getAllByTestId('course-unit-btn');
+        units = screen.getAllByTestId('course-unit-btn');
         const courseUnits = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[0].child_info.children;
         expect(units).toHaveLength(courseUnits.length);
       });
@@ -1303,7 +1383,7 @@ describe('<CourseUnit />', () => {
 
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-      units = getAllByTestId('course-unit-btn');
+      units = screen.getAllByTestId('course-unit-btn');
       const updatedCourseUnits = updatedCourseSectionVerticalData
         .xblock_info.ancestor_info.ancestors[0].child_info.children;
 
@@ -1314,30 +1394,27 @@ describe('<CourseUnit />', () => {
     });
 
     it('should increase the number of course XBlocks after copying and pasting a block', async () => {
-      const { getByRole, getByTitle } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       simulatePostMessageEvent(messageTypes.copyXBlock, {
         id: courseVerticalChildrenMock.children[0].block_id,
       });
 
       axiosMock
-        .onGet(getClipboardUrl())
-        .reply(200, clipboardXBlock);
-
-      axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
+        .onGet(getCourseSectionVerticalApiUrl(blockId))
         .reply(200, {
-          ...courseUnitIndexMock,
-          enable_copy_paste_units: true,
+          ...courseSectionVerticalMock,
+          xblock_info: {
+            ...courseSectionVerticalMock.xblock_info,
+            enable_copy_paste_units: true,
+          },
         });
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
-      userEvent.click(getByRole('button', { name: messages.pasteButtonText.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
 
       await waitFor(() => {
-        const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+        const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
         expect(iframe).toHaveAttribute(
           'aria-label',
           xblockContainerIframeMessages.xblockIframeLabel.defaultMessage
@@ -1373,7 +1450,7 @@ describe('<CourseUnit />', () => {
       await executeThunk(fetchCourseVerticalChildrenData(blockId), store.dispatch);
 
       await waitFor(() => {
-        const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+        const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
         expect(iframe).toHaveAttribute(
           'aria-label',
           xblockContainerIframeMessages.xblockIframeLabel.defaultMessage
@@ -1383,22 +1460,22 @@ describe('<CourseUnit />', () => {
     });
 
     it('displays a notification about new files after pasting a component', async () => {
-      const {
-        queryByTestId, getByTestId, getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
+        .onGet(getCourseSectionVerticalApiUrl(blockId))
         .reply(200, {
-          ...courseUnitIndexMock,
-          enable_copy_paste_units: true,
+          ...courseSectionVerticalMock,
+          xblock_info: {
+            ...courseSectionVerticalMock.xblock_info,
+            enable_copy_paste_units: true,
+          },
         });
 
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
-      userEvent.click(getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
 
       const updatedCourseSectionVerticalData = cloneDeep(courseSectionVerticalMock);
       const updatedAncestorsChild = updatedCourseSectionVerticalData.xblock_info.ancestor_info.ancestors[0];
@@ -1417,7 +1494,7 @@ describe('<CourseUnit />', () => {
       global.localStorage.setItem('staticFileNotices', JSON.stringify(clipboardMockResponse.staticFileNotices));
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
       await executeThunk(createNewCourseXBlock(camelCaseObject(postXBlockBody), null, blockId), store.dispatch);
-      const newFilesAlert = getByTestId('has-new-files-alert');
+      const newFilesAlert = screen.getByTestId('has-new-files-alert');
 
       expect(within(newFilesAlert)
         .getByText(pasteNotificationsMessages.hasNewFilesTitle.defaultMessage)).toBeInTheDocument();
@@ -1431,26 +1508,26 @@ describe('<CourseUnit />', () => {
 
       userEvent.click(within(newFilesAlert).getByText(/Dismiss/i));
 
-      expect(queryByTestId('has-new-files-alert')).toBeNull();
+      expect(screen.queryByTestId('has-new-files-alert')).toBeNull();
     });
 
     it('displays a notification about conflicting errors after pasting a component', async () => {
-      const {
-        queryByTestId, getByTestId, getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
+        .onGet(getCourseSectionVerticalApiUrl(blockId))
         .reply(200, {
-          ...courseUnitIndexMock,
-          enable_copy_paste_units: true,
+          ...courseSectionVerticalMock,
+          xblock_info: {
+            ...courseSectionVerticalMock.xblock_info,
+            enable_copy_paste_units: true,
+          },
         });
 
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
-      userEvent.click(getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
 
       const updatedCourseSectionVerticalData = cloneDeep(courseSectionVerticalMock);
       const updatedAncestorsChild = updatedCourseSectionVerticalData.xblock_info.ancestor_info.ancestors[0];
@@ -1471,7 +1548,7 @@ describe('<CourseUnit />', () => {
       global.localStorage.setItem('staticFileNotices', JSON.stringify(clipboardMockResponse.staticFileNotices));
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
       await executeThunk(createNewCourseXBlock(camelCaseObject(postXBlockBody), null, blockId), store.dispatch);
-      const conflictingErrorsAlert = getByTestId('has-conflicting-errors-alert');
+      const conflictingErrorsAlert = screen.getByTestId('has-conflicting-errors-alert');
 
       expect(within(conflictingErrorsAlert)
         .getByText(pasteNotificationsMessages.hasConflictingErrorsTitle.defaultMessage)).toBeInTheDocument();
@@ -1485,26 +1562,26 @@ describe('<CourseUnit />', () => {
 
       userEvent.click(within(conflictingErrorsAlert).getByText(/Dismiss/i));
 
-      expect(queryByTestId('has-conflicting-errors-alert')).toBeNull();
+      expect(screen.queryByTestId('has-conflicting-errors-alert')).toBeNull();
     });
 
     it('displays a notification about error files after pasting a component', async () => {
-      const {
-        queryByTestId, getByTestId, getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
+        .onGet(getCourseSectionVerticalApiUrl(blockId))
         .reply(200, {
-          ...courseUnitIndexMock,
-          enable_copy_paste_units: true,
+          ...courseSectionVerticalMock,
+          xblock_info: {
+            ...courseSectionVerticalMock.xblock_info,
+            enable_copy_paste_units: true,
+          },
         });
 
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
-      userEvent.click(getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
-      userEvent.click(getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: sidebarMessages.actionButtonCopyUnitTitle.defaultMessage }));
+      userEvent.click(screen.getByRole('button', { name: courseSequenceMessages.pasteAsNewUnitLink.defaultMessage }));
 
       const updatedCourseSectionVerticalData = cloneDeep(courseSectionVerticalMock);
       const updatedAncestorsChild = updatedCourseSectionVerticalData.xblock_info.ancestor_info.ancestors[0];
@@ -1525,7 +1602,7 @@ describe('<CourseUnit />', () => {
       global.localStorage.setItem('staticFileNotices', JSON.stringify(clipboardMockResponse.staticFileNotices));
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
       await executeThunk(createNewCourseXBlock(camelCaseObject(postXBlockBody), null, blockId), store.dispatch);
-      const errorFilesAlert = getByTestId('has-error-files-alert');
+      const errorFilesAlert = screen.getByTestId('has-error-files-alert');
 
       expect(within(errorFilesAlert)
         .getByText(pasteNotificationsMessages.hasErrorsTitle.defaultMessage)).toBeInTheDocument();
@@ -1534,11 +1611,11 @@ describe('<CourseUnit />', () => {
 
       userEvent.click(within(errorFilesAlert).getByText(/Dismiss/i));
 
-      expect(queryByTestId('has-error-files')).toBeNull();
+      expect(screen.queryByTestId('has-error-files')).toBeNull();
     });
 
     it('should hide the "Paste component" block if canPasteComponent is false', async () => {
-      const { queryByText, queryByRole } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
         .onGet(getCourseVerticalChildrenApiUrl(blockId))
@@ -1549,10 +1626,10 @@ describe('<CourseUnit />', () => {
 
       await executeThunk(fetchCourseVerticalChildrenData(blockId), store.dispatch);
 
-      expect(queryByRole('button', {
+      expect(screen.queryByRole('button', {
         name: messages.pasteButtonText.defaultMessage,
       })).not.toBeInTheDocument();
-      expect(queryByText(
+      expect(screen.queryByText(
         pasteComponentMessages.pasteButtonWhatsInClipboardText.defaultMessage,
       )).not.toBeInTheDocument();
     });
@@ -1586,9 +1663,7 @@ describe('<CourseUnit />', () => {
     });
 
     it('should display "Move Modal" on receive trigger message', async () => {
-      const {
-        getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       await screen.findByText(unitDisplayName);
 
@@ -1602,15 +1677,12 @@ describe('<CourseUnit />', () => {
       await screen.findByText(
         moveModalMessages.moveModalTitle.defaultMessage.replace('{displayName}', requestData.title),
       );
-      expect(getByRole('button', { name: moveModalMessages.moveModalSubmitButton.defaultMessage })).toBeInTheDocument();
-      expect(getByRole('button', { name: moveModalMessages.moveModalCancelButton.defaultMessage })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: moveModalMessages.moveModalSubmitButton.defaultMessage })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: moveModalMessages.moveModalCancelButton.defaultMessage })).toBeInTheDocument();
     });
 
     it('should navigates to xBlock current unit', async () => {
-      const {
-        getByText,
-        getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       await screen.findByText(unitDisplayName);
 
@@ -1626,7 +1698,7 @@ describe('<CourseUnit />', () => {
       );
 
       const currentSection = courseOutlineInfoMock.child_info.children[1];
-      const currentSectionItemBtn = getByRole('button', {
+      const currentSectionItemBtn = screen.getByRole('button', {
         name: `${currentSection.display_name} ${moveModalMessages.moveModalOutlineItemCurrentLocationText.defaultMessage} ${moveModalMessages.moveModalOutlineItemViewText.defaultMessage}`,
       });
       expect(currentSectionItemBtn).toBeInTheDocument();
@@ -1634,7 +1706,7 @@ describe('<CourseUnit />', () => {
 
       await waitFor(() => {
         const currentSubsection = currentSection.child_info.children[0];
-        const currentSubsectionItemBtn = getByRole('button', {
+        const currentSubsectionItemBtn = screen.getByRole('button', {
           name: `${currentSubsection.display_name} ${moveModalMessages.moveModalOutlineItemCurrentLocationText.defaultMessage} ${moveModalMessages.moveModalOutlineItemViewText.defaultMessage}`,
         });
         expect(currentSubsectionItemBtn).toBeInTheDocument();
@@ -1642,7 +1714,7 @@ describe('<CourseUnit />', () => {
       });
 
       await waitFor(() => {
-        const currentComponentLocationText = getByText(
+        const currentComponentLocationText = screen.getByText(
           moveModalMessages.moveModalOutlineItemCurrentComponentLocationText.defaultMessage,
         );
         expect(currentComponentLocationText).toBeInTheDocument();
@@ -1650,17 +1722,15 @@ describe('<CourseUnit />', () => {
     });
 
     it('should allow move operation and handles it successfully', async () => {
-      const {
-        getByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
         .onPatch(postXBlockBaseApiUrl())
         .reply(200, {});
 
       axiosMock
-        .onGet(getCourseUnitApiUrl(blockId))
-        .reply(200, courseUnitIndexMock);
+        .onGet(getCourseSectionVerticalApiUrl(blockId))
+        .reply(200, courseSectionVerticalMock);
 
       await screen.findByText(unitDisplayName);
 
@@ -1676,7 +1746,7 @@ describe('<CourseUnit />', () => {
       );
 
       const currentSection = courseOutlineInfoMock.child_info.children[1];
-      const currentSectionItemBtn = getByRole('button', {
+      const currentSectionItemBtn = screen.getByRole('button', {
         name: `${currentSection.display_name} ${moveModalMessages.moveModalOutlineItemCurrentLocationText.defaultMessage} ${moveModalMessages.moveModalOutlineItemViewText.defaultMessage}`,
       });
       expect(currentSectionItemBtn).toBeInTheDocument();
@@ -1684,7 +1754,7 @@ describe('<CourseUnit />', () => {
 
       const currentSubsection = currentSection.child_info.children[1];
       await waitFor(() => {
-        const currentSubsectionItemBtn = getByRole('button', {
+        const currentSubsectionItemBtn = screen.getByRole('button', {
           name: `${currentSubsection.display_name} ${moveModalMessages.moveModalOutlineItemViewText.defaultMessage}`,
         });
         expect(currentSubsectionItemBtn).toBeInTheDocument();
@@ -1693,14 +1763,14 @@ describe('<CourseUnit />', () => {
 
       await waitFor(() => {
         const currentUnit = currentSubsection.child_info.children[0];
-        const currentUnitItemBtn = getByRole('button', {
+        const currentUnitItemBtn = screen.getByRole('button', {
           name: `${currentUnit.display_name} ${moveModalMessages.moveModalOutlineItemViewText.defaultMessage}`,
         });
         expect(currentUnitItemBtn).toBeInTheDocument();
         userEvent.click(currentUnitItemBtn);
       });
 
-      const moveModalBtn = getByRole('button', {
+      const moveModalBtn = screen.getByRole('button', {
         name: moveModalMessages.moveModalSubmitButton.defaultMessage,
       });
       expect(moveModalBtn).toBeInTheDocument();
@@ -1714,10 +1784,7 @@ describe('<CourseUnit />', () => {
     });
 
     it('should display "Move Confirmation" alert after moving and undo operations', async () => {
-      const {
-        queryByRole,
-        getByText,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
         .onPatch(postXBlockBaseApiUrl())
@@ -1734,18 +1801,18 @@ describe('<CourseUnit />', () => {
 
       simulatePostMessageEvent(messageTypes.rollbackMovedXBlock, { locator: requestData.sourceLocator });
 
-      const dismissButton = queryByRole('button', {
+      const dismissButton = screen.queryByRole('button', {
         name: /dismiss/i, hidden: true,
       });
-      const undoButton = queryByRole('button', {
+      const undoButton = screen.queryByRole('button', {
         name: messages.undoMoveButton.defaultMessage, hidden: true,
       });
-      const newLocationButton = queryByRole('button', {
+      const newLocationButton = screen.queryByRole('button', {
         name: messages.newLocationButton.defaultMessage, hidden: true,
       });
 
-      expect(getByText(messages.alertMoveSuccessTitle.defaultMessage)).toBeInTheDocument();
-      expect(getByText(`${requestData.title} has been moved`)).toBeInTheDocument();
+      expect(screen.getByText(messages.alertMoveSuccessTitle.defaultMessage)).toBeInTheDocument();
+      expect(screen.getByText(`${requestData.title} has been moved`)).toBeInTheDocument();
       expect(dismissButton).toBeInTheDocument();
       expect(undoButton).toBeInTheDocument();
       expect(newLocationButton).toBeInTheDocument();
@@ -1753,9 +1820,9 @@ describe('<CourseUnit />', () => {
       userEvent.click(undoButton);
 
       await waitFor(() => {
-        expect(getByText(messages.alertMoveCancelTitle.defaultMessage)).toBeInTheDocument();
+        expect(screen.getByText(messages.alertMoveCancelTitle.defaultMessage)).toBeInTheDocument();
       });
-      expect(getByText(
+      expect(screen.getByText(
         messages.alertMoveCancelDescription.defaultMessage.replace('{title}', requestData.title),
       )).toBeInTheDocument();
       expect(dismissButton).toBeInTheDocument();
@@ -1764,9 +1831,7 @@ describe('<CourseUnit />', () => {
     });
 
     it('should navigate to new location by button click', async () => {
-      const {
-        queryByRole,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       axiosMock
         .onPatch(postXBlockBaseApiUrl())
@@ -1781,7 +1846,7 @@ describe('<CourseUnit />', () => {
         callbackFn: requestData.callbackFn,
       }), store.dispatch);
 
-      const newLocationButton = queryByRole('button', {
+      const newLocationButton = screen.queryByRole('button', {
         name: messages.newLocationButton.defaultMessage, hidden: true,
       });
       userEvent.click(newLocationButton);
@@ -1794,16 +1859,14 @@ describe('<CourseUnit />', () => {
 
   describe('XBlock restrict access', () => {
     it('opens xblock restrict access modal successfully', async () => {
-      const {
-        getByTitle, getByTestId,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       const modalSubtitleText = configureModalMessages.restrictAccessTo.defaultMessage;
       const modalCancelBtnText = configureModalMessages.cancelButton.defaultMessage;
       const modalSaveBtnText = configureModalMessages.saveButton.defaultMessage;
 
       await waitFor(() => {
-        const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+        const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
         const usageId = courseVerticalChildrenMock.children[0].block_id;
         expect(iframe).toBeInTheDocument();
 
@@ -1813,7 +1876,7 @@ describe('<CourseUnit />', () => {
       });
 
       await waitFor(() => {
-        const configureModal = getByTestId('configure-modal');
+        const configureModal = screen.getByTestId('configure-modal');
 
         expect(within(configureModal).getByText(modalSubtitleText)).toBeInTheDocument();
         expect(within(configureModal).getByRole('button', { name: modalCancelBtnText })).toBeInTheDocument();
@@ -1822,12 +1885,10 @@ describe('<CourseUnit />', () => {
     });
 
     it('closes xblock restrict access modal when cancel button is clicked', async () => {
-      const {
-        getByTitle, queryByTestId, getByTestId,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       await waitFor(() => {
-        const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+        const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
         expect(iframe).toBeInTheDocument();
         simulatePostMessageEvent(messageTypes.manageXBlockAccess, {
           usageId: courseVerticalChildrenMock.children[0].block_id,
@@ -1835,7 +1896,7 @@ describe('<CourseUnit />', () => {
       });
 
       await waitFor(() => {
-        const configureModal = getByTestId('configure-modal');
+        const configureModal = screen.getByTestId('configure-modal');
         expect(configureModal).toBeInTheDocument();
         userEvent.click(within(configureModal).getByRole('button', {
           name: configureModalMessages.cancelButton.defaultMessage,
@@ -1843,7 +1904,7 @@ describe('<CourseUnit />', () => {
         expect(handleConfigureSubmitMock).not.toHaveBeenCalled();
       });
 
-      expect(queryByTestId('configure-modal')).not.toBeInTheDocument();
+      expect(screen.queryByTestId('configure-modal')).not.toBeInTheDocument();
     });
 
     it('handles submit xblock restrict access data when save button is clicked', async () => {
@@ -1854,15 +1915,13 @@ describe('<CourseUnit />', () => {
         })
         .reply(200, { dummy: 'value' });
 
-      const {
-        getByTitle, getByRole, getByTestId, queryByTestId,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
       const accessGroupName1 = userPartitionInfoFormatted.selectablePartitions[0].groups[0].name;
       const accessGroupName2 = userPartitionInfoFormatted.selectablePartitions[0].groups[1].name;
 
       await waitFor(() => {
-        const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+        const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
         expect(iframe).toBeInTheDocument();
       });
 
@@ -1872,13 +1931,13 @@ describe('<CourseUnit />', () => {
         });
       });
 
-      const configureModal = await waitFor(() => getByTestId('configure-modal'));
+      const configureModal = await waitFor(() => screen.getByTestId('configure-modal'));
       expect(configureModal).toBeInTheDocument();
 
       expect(within(configureModal).queryByText(accessGroupName1)).not.toBeInTheDocument();
       expect(within(configureModal).queryByText(accessGroupName2)).not.toBeInTheDocument();
 
-      const restrictAccessSelect = getByRole('combobox', {
+      const restrictAccessSelect = screen.getByRole('combobox', {
         name: configureModalMessages.restrictAccessTo.defaultMessage,
       });
 
@@ -1908,17 +1967,17 @@ describe('<CourseUnit />', () => {
         expect(axiosMock.history.post[0].url).toBe(getXBlockBaseApiUrl(id));
       });
 
-      expect(queryByTestId('configure-modal')).not.toBeInTheDocument();
+      expect(screen.queryByTestId('configure-modal')).not.toBeInTheDocument();
     });
   });
 
   const checkLegacyEditModalOnEditMessage = async () => {
-    const { getByTitle, getByTestId } = render(<RootWrapper />);
+    render(<RootWrapper />);
 
     await waitFor(() => {
-      const editButton = getByTestId('header-edit-button');
+      const editButton = screen.getByTestId('header-edit-button');
       expect(editButton).toBeInTheDocument();
-      const xblocksIframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const xblocksIframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(xblocksIframe).toBeInTheDocument();
       userEvent.click(editButton);
     });
@@ -1953,7 +2012,6 @@ describe('<CourseUnit />', () => {
 
   describe('Library Content page', () => {
     const newUnitId = '12345';
-    const sequenceId = courseSectionVerticalMock.subsection_location;
 
     beforeEach(async () => {
       axiosMock
@@ -1970,20 +2028,6 @@ describe('<CourseUnit />', () => {
           },
         });
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
-      axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
-        .reply(200, {
-          ...courseUnitIndexMock,
-          category: 'library_content',
-          ancestor_info: {
-            ...courseUnitIndexMock.ancestor_info,
-            child_info: {
-              ...courseUnitIndexMock.ancestor_info.child_info,
-              category: 'library_content',
-            },
-          },
-        });
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
     });
 
     it('navigates to library content page on receive window event', async () => {
@@ -2003,8 +2047,8 @@ describe('<CourseUnit />', () => {
         findByTestId,
       } = render(<RootWrapper />);
 
-      const currentSectionName = courseUnitIndexMock.ancestor_info.ancestors[1].display_name;
-      const currentSubSectionName = courseUnitIndexMock.ancestor_info.ancestors[1].display_name;
+      const currentSectionName = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[1].display_name;
+      const currentSubSectionName = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[1].display_name;
 
       const unitHeaderTitle = await findByTestId('unit-header-title');
       await findByText(unitDisplayName);
@@ -2032,7 +2076,6 @@ describe('<CourseUnit />', () => {
 
   describe('Split Test Content page', () => {
     const newUnitId = '12345';
-    const sequenceId = courseSectionVerticalMock.subsection_location;
 
     beforeEach(async () => {
       axiosMock
@@ -2049,20 +2092,6 @@ describe('<CourseUnit />', () => {
           },
         });
       await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
-      axiosMock
-        .onGet(getCourseUnitApiUrl(courseId))
-        .reply(200, {
-          ...courseUnitIndexMock,
-          category: 'split_test',
-          ancestor_info: {
-            ...courseUnitIndexMock.ancestor_info,
-            child_info: {
-              ...courseUnitIndexMock.ancestor_info.child_info,
-              category: 'split_test',
-            },
-          },
-        });
-      await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
     });
 
     it('navigates to split test content page on receive window event', async () => {
@@ -2105,46 +2134,65 @@ describe('<CourseUnit />', () => {
     });
 
     it('should render split test content page correctly', async () => {
-      const {
-        getByText,
-        getByRole,
-        queryByRole,
-        getByTestId,
-        queryByText,
-      } = render(<RootWrapper />);
+      render(<RootWrapper />);
 
-      const currentSectionName = courseUnitIndexMock.ancestor_info.ancestors[1].display_name;
-      const currentSubSectionName = courseUnitIndexMock.ancestor_info.ancestors[1].display_name;
+      const currentSectionName = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[1].display_name;
+      const currentSubSectionName = courseSectionVerticalMock.xblock_info.ancestor_info.ancestors[1].display_name;
       const helpLinkUrl = 'https://edx.readthedocs.io/projects/open-edx-building-and-running-a-course/en/latest/developing_course/course_components.html#components-that-contain-other-components';
 
       waitFor(() => {
-        const unitHeaderTitle = getByTestId('unit-header-title');
-        expect(getByText(unitDisplayName)).toBeInTheDocument();
+        const unitHeaderTitle = screen.getByTestId('unit-header-title');
+        expect(screen.getByText(unitDisplayName)).toBeInTheDocument();
         expect(within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonEdit.defaultMessage })).toBeInTheDocument();
         expect(within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonSettings.defaultMessage })).toBeInTheDocument();
-        expect(getByRole('button', { name: currentSectionName })).toBeInTheDocument();
-        expect(getByRole('button', { name: currentSubSectionName })).toBeInTheDocument();
+        expect(screen.getByRole('button', { name: currentSectionName })).toBeInTheDocument();
+        expect(screen.getByRole('button', { name: currentSubSectionName })).toBeInTheDocument();
 
-        expect(queryByRole('heading', { name: addComponentMessages.title.defaultMessage })).not.toBeInTheDocument();
-        expect(queryByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage })).not.toBeInTheDocument();
-        expect(queryByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage })).not.toBeInTheDocument();
+        expect(screen.queryByRole('heading', { name: addComponentMessages.title.defaultMessage })).not.toBeInTheDocument();
+        expect(screen.queryByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage })).not.toBeInTheDocument();
+        expect(screen.queryByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage })).not.toBeInTheDocument();
 
-        expect(queryByRole('heading', { name: /unit tags/i })).not.toBeInTheDocument();
-        expect(queryByRole('heading', { name: /unit location/i })).not.toBeInTheDocument();
+        expect(screen.queryByRole('heading', { name: /unit tags/i })).not.toBeInTheDocument();
+        expect(screen.queryByRole('heading', { name: /unit location/i })).not.toBeInTheDocument();
 
         // Sidebar
         const sidebarContent = [
-          { query: queryByRole, type: 'heading', name: sidebarMessages.sidebarSplitTestAddComponentTitle.defaultMessage },
-          { query: queryByText, name: sidebarMessages.sidebarSplitTestSelectComponentType.defaultMessage.replaceAll('{bold_tag}', '') },
-          { query: queryByText, name: sidebarMessages.sidebarSplitTestComponentAdded.defaultMessage },
-          { query: queryByRole, type: 'heading', name: sidebarMessages.sidebarSplitTestEditComponentTitle.defaultMessage },
-          { query: queryByText, name: sidebarMessages.sidebarSplitTestEditComponentInstruction.defaultMessage.replaceAll('{bold_tag}', '') },
-          { query: queryByRole, type: 'heading', name: sidebarMessages.sidebarSplitTestReorganizeComponentTitle.defaultMessage },
-          { query: queryByText, name: sidebarMessages.sidebarSplitTestReorganizeComponentInstruction.defaultMessage },
-          { query: queryByText, name: sidebarMessages.sidebarSplitTestReorganizeGroupsInstruction.defaultMessage },
-          { query: queryByRole, type: 'heading', name: sidebarMessages.sidebarSplitTestExperimentComponentTitle.defaultMessage },
-          { query: queryByText, name: sidebarMessages.sidebarSplitTestExperimentComponentInstruction.defaultMessage },
-          { query: queryByRole, type: 'link', name: sidebarMessages.sidebarSplitTestLearnMoreLinkLabel.defaultMessage },
+          { query: screen.queryByRole, type: 'heading', name: sidebarMessages.sidebarSplitTestAddComponentTitle.defaultMessage },
+          { query: screen.queryByText, name: sidebarMessages.sidebarSplitTestSelectComponentType.defaultMessage.replaceAll('{bold_tag}', '') },
+          { query: screen.queryByText, name: sidebarMessages.sidebarSplitTestComponentAdded.defaultMessage },
+          { query: screen.queryByRole, type: 'heading', name: sidebarMessages.sidebarSplitTestEditComponentTitle.defaultMessage },
+          {
+            query: screen.queryByText,
+            name: sidebarMessages.sidebarSplitTestEditComponentInstruction.defaultMessage
+              .replaceAll('{bold_tag}', ''),
+          },
+          {
+            query: screen.queryByRole,
+            type: 'heading',
+            name: sidebarMessages.sidebarSplitTestReorganizeComponentTitle.defaultMessage,
+          },
+          {
+            query: screen.queryByText,
+            name: sidebarMessages.sidebarSplitTestReorganizeComponentInstruction.defaultMessage,
+          },
+          {
+            query: screen.queryByText,
+            name: sidebarMessages.sidebarSplitTestReorganizeGroupsInstruction.defaultMessage,
+          },
+          {
+            query: screen.queryByRole,
+            type: 'heading',
+            name: sidebarMessages.sidebarSplitTestExperimentComponentTitle.defaultMessage,
+          },
+          {
+            query: screen.queryByText,
+            name: sidebarMessages.sidebarSplitTestExperimentComponentInstruction.defaultMessage,
+          },
+          {
+            query: screen.queryByRole,
+            type: 'link',
+            name: sidebarMessages.sidebarSplitTestLearnMoreLinkLabel.defaultMessage,
+          },
         ];
 
         sidebarContent.forEach(({ query, type, name }) => {
@@ -2152,7 +2200,7 @@ describe('<CourseUnit />', () => {
         });
 
         expect(
-          queryByRole('link', { name: sidebarMessages.sidebarSplitTestLearnMoreLinkLabel.defaultMessage }),
+          screen.queryByRole('link', { name: sidebarMessages.sidebarSplitTestLearnMoreLinkLabel.defaultMessage }),
         ).toHaveAttribute('href', helpLinkUrl);
       });
     });
@@ -2165,7 +2213,7 @@ describe('<CourseUnit />', () => {
   });
 
   it('renders and navigates to the new HTML XBlock editor after xblock duplicating', async () => {
-    const { getByTitle } = render(<RootWrapper />);
+    render(<RootWrapper />);
     const updatedCourseVerticalChildrenMock = JSON.parse(JSON.stringify(courseVerticalChildrenMock));
     const targetBlockId = updatedCourseVerticalChildrenMock.children[1].block_id;
 
@@ -2174,6 +2222,13 @@ describe('<CourseUnit />', () => {
         ? { ...child, block_type: 'html' }
         : child));
 
+    axiosMock
+      .onPost(postXBlockBaseApiUrl({
+        parent_locator: blockId,
+        duplicate_source_locator: courseVerticalChildrenMock.children[0].block_id,
+      }))
+      .replyOnce(200, { locator: '1234567890' });
+
     axiosMock
       .onGet(getCourseVerticalChildrenApiUrl(blockId))
       .reply(200, updatedCourseVerticalChildrenMock);
@@ -2181,7 +2236,7 @@ describe('<CourseUnit />', () => {
     await executeThunk(fetchCourseVerticalChildrenData(blockId), store.dispatch);
 
     await waitFor(() => {
-      const iframe = getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
+      const iframe = screen.getByTitle(xblockContainerIframeMessages.xblockIframeTitle.defaultMessage);
       expect(iframe).toBeInTheDocument();
       simulatePostMessageEvent(messageTypes.currentXBlockId, {
         id: targetBlockId,
@@ -2204,15 +2259,19 @@ describe('<CourseUnit />', () => {
     render(<RootWrapper />);
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(courseId))
+      .onGet(getCourseSectionVerticalApiUrl(courseId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        upstreamInfo: {
-          upstreamRef: 'lct:org:lib:unit:unit-1',
-          upstreamLink: 'some-link',
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          upstreamInfo: {
+            ...courseSectionVerticalMock.xblock_info,
+            upstreamRef: 'lct:org:lib:unit:unit-1',
+            upstreamLink: 'some-link',
+          },
         },
       });
-    await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(courseId), store.dispatch);
 
     expect(screen.getByText(/this unit can only be edited from the \./i)).toBeInTheDocument();
 

src/course-unit/__mocks__/courseUnitIndex.js

@@ -1,1126 +0,0 @@
-module.exports = {
-  id: 'block-v1:edX+DemoX+Demo_Course+type@vertical+block@867dddb6f55d410caaa9c1eb9c6743ec',
-  display_name: 'Getting Started',
-  category: 'vertical',
-  has_children: true,
-  edited_on: 'Jan 03, 2024 at 12:06 UTC',
-  published: true,
-  published_on: 'Dec 28, 2023 at 10:00 UTC',
-  studio_url: '/container/block-v1:edX+DemoX+Demo_Course+type@vertical+block@867dddb6f55d410caaa9c1eb9c6743ec',
-  released_to_students: true,
-  release_date: 'Feb 05, 2013 at 05:00 UTC',
-  visibility_state: 'needs_attention',
-  has_explicit_staff_lock: false,
-  start: '2013-02-05T05:00:00Z',
-  graded: false,
-  due_date: '',
-  due: null,
-  relative_weeks_due: null,
-  format: null,
-  course_graders: [
-    'Homework',
-    'Exam',
-  ],
-  has_changes: true,
-  actions: {
-    deletable: true,
-    draggable: true,
-    childAddable: true,
-    duplicable: true,
-  },
-  explanatory_message: null,
-  group_access: {},
-  user_partitions: [
-    {
-      id: 50,
-      name: 'Enrollment Track Groups',
-      scheme: 'enrollment_track',
-      groups: [
-        {
-          id: 2,
-          name: 'Verified Certificate',
-          selected: false,
-          deleted: false,
-        },
-        {
-          id: 1,
-          name: 'Audit',
-          selected: false,
-          deleted: false,
-        },
-      ],
-    },
-  ],
-  show_correctness: 'always',
-  discussion_enabled: true,
-  data: '',
-  metadata: {
-    display_name: 'Getting Started',
-    xml_attributes: {
-      filename: [
-        'vertical/867dddb6f55d410caaa9c1eb9c6743ec.xml',
-        'vertical/867dddb6f55d410caaa9c1eb9c6743ec.xml',
-      ],
-    },
-  },
-  ancestor_info: {
-    ancestors: [
-      {
-        id: 'block-v1:edX+DemoX+Demo_Course+type@sequential+block@19a30717eff543078a5d94ae9d6c18a5',
-        display_name: 'Lesson 1 - Getting Started',
-        category: 'sequential',
-        has_children: true,
-        edited_on: 'Jan 03, 2024 at 12:06 UTC',
-        published: true,
-        published_on: 'Dec 28, 2023 at 10:00 UTC',
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-                    name: 'Enrollment Track Groups',
-                    scheme: 'enrollment_track',
-                    groups: [
-                      {
-                        id: 2,
-                        name: 'Verified Certificate',
-                        selected: false,
-                        deleted: false,
-                      },
-                      {
-                        id: 1,
-                        name: 'Audit',
-                        selected: false,
-                        deleted: false,
-                      },
-                    ],
-                  },
-                ],
-                selected_partition_index: -1,
-                selected_groups_label: '',
-              },
-              enable_copy_paste_units: false,
-            },
-          ],
-        },
-        ancestor_has_staff_lock: false,
-        user_partition_info: {
-          selectable_partitions: [
-            {
-              id: 50,
-              name: 'Enrollment Track Groups',
-              scheme: 'enrollment_track',
-              groups: [
-                {
-                  id: 2,
-                  name: 'Verified Certificate',
-                  selected: false,
-                  deleted: false,
-                },
-                {
-                  id: 1,
-                  name: 'Audit',
-                  selected: false,
-                  deleted: false,
-                },
-              ],
-            },
-          ],
-          selected_partition_index: -1,
-          selected_groups_label: '',
-        },
-      },
-      {
-        id: 'block-v1:edX+DemoX+Demo_Course+type@chapter+block@graded_interactions',
-        display_name: 'Example Week 1: Getting Started',
-        category: 'chapter',
-        has_children: true,
-        edited_on: 'Jan 03, 2024 at 12:06 UTC',
-        published: true,
-        published_on: 'Dec 28, 2023 at 10:00 UTC',
-        studio_url: '/course/course-v1:edX+DemoX+Demo_Course?show=block-v1%3AedX%2BDemoX%2BDemo_Course%2Btype%40chapter%2Bblock%40interactive_demonstrations',
-        released_to_students: true,
-        release_date: 'Feb 05, 2013 at 05:00 UTC',
-        visibility_state: 'live',
-        has_explicit_staff_lock: false,
-        start: '2013-02-05T05:00:00Z',
-        graded: false,
-        due_date: '',
-        due: null,
-        relative_weeks_due: null,
-        format: null,
-        course_graders: [
-          'Homework',
-          'Exam',
-        ],
-        has_changes: null,
-        actions: {
-          deletable: true,
-          draggable: true,
-          childAddable: true,
-          duplicable: true,
-        },
-        explanatory_message: null,
-        group_access: {},
-        user_partitions: [
-          {
-            id: 50,
-            name: 'Enrollment Track Groups',
-            scheme: 'enrollment_track',
-            groups: [
-              {
-                id: 2,
-                name: 'Verified Certificate',
-                selected: false,
-                deleted: false,
-              },
-              {
-                id: 1,
-                name: 'Audit',
-                selected: false,
-                deleted: false,
-              },
-            ],
-          },
-        ],
-        show_correctness: 'always',
-        highlights: [],
-        highlights_enabled: true,
-        highlights_preview_only: false,
-        highlights_doc_url: 'https://docs.openedx.org/en/latest/educators/how-tos/course_development/manage_course_highlight_emails.html',
-        ancestor_has_staff_lock: false,
-        user_partition_info: {
-          selectable_partitions: [
-            {
-              id: 50,
-              name: 'Enrollment Track Groups',
-              scheme: 'enrollment_track',
-              groups: [
-                {
-                  id: 2,
-                  name: 'Verified Certificate',
-                  selected: false,
-                  deleted: false,
-                },
-                {
-                  id: 1,
-                  name: 'Audit',
-                  selected: false,
-                  deleted: false,
-                },
-              ],
-            },
-          ],
-          selected_partition_index: -1,
-          selected_groups_label: '',
-        },
-      },
-      {
-        id: 'block-v1:edX+DemoX+Demo_Course+type@course+block@course',
-        display_name: 'Demonstration Course',
-        category: 'course',
-        has_children: true,
-        unit_level_discussions: false,
-        edited_on: 'Jan 03, 2024 at 12:06 UTC',
-        published: true,
-        published_on: 'Jan 03, 2024 at 08:57 UTC',
-        studio_url: '/course/course-v1:edX+DemoX+Demo_Course',
-        released_to_students: true,
-        release_date: 'Feb 05, 2013 at 05:00 UTC',
-        visibility_state: null,
-        has_explicit_staff_lock: false,
-        start: '2013-02-05T05:00:00Z',
-        graded: false,
-        due_date: '',
-        due: null,
-        relative_weeks_due: null,
-        format: null,
-        course_graders: [
-          'Homework',
-          'Exam',
-        ],
-        has_changes: null,
-        actions: {
-          deletable: true,
-          draggable: true,
-          childAddable: true,
-          duplicable: true,
-        },
-        explanatory_message: null,
-        group_access: {},
-        user_partitions: [
-          {
-            id: 50,
-            name: 'Enrollment Track Groups',
-            scheme: 'enrollment_track',
-            groups: [
-              {
-                id: 2,
-                name: 'Verified Certificate',
-                selected: false,
-                deleted: false,
-              },
-              {
-                id: 1,
-                name: 'Audit',
-                selected: false,
-                deleted: false,
-              },
-            ],
-          },
-        ],
-        show_correctness: 'always',
-        highlights_enabled_for_messaging: false,
-        highlights_enabled: true,
-        highlights_preview_only: false,
-        highlights_doc_url: 'https://docs.openedx.org/en/latest/educators/how-tos/course_development/manage_course_highlight_emails.html',
-        enable_proctored_exams: false,
-        create_zendesk_tickets: true,
-        enable_timed_exams: true,
-        ancestor_has_staff_lock: false,
-        user_partition_info: {
-          selectable_partitions: [
-            {
-              id: 50,
-              name: 'Enrollment Track Groups',
-              scheme: 'enrollment_track',
-              groups: [
-                {
-                  id: 2,
-                  name: 'Verified Certificate',
-                  selected: false,
-                  deleted: false,
-                },
-                {
-                  id: 1,
-                  name: 'Audit',
-                  selected: false,
-                  deleted: false,
-                },
-              ],
-            },
-          ],
-          selected_partition_index: -1,
-          selected_groups_label: '',
-        },
-      },
-    ],
-  },
-  ancestor_has_staff_lock: false,
-  user_partition_info: {
-    selectable_partitions: [
-      {
-        id: 50,
-        name: 'Enrollment Track Groups',
-        scheme: 'enrollment_track',
-        groups: [
-          {
-            id: 2,
-            name: 'Verified Certificate',
-            selected: false,
-            deleted: false,
-          },
-          {
-            id: 1,
-            name: 'Audit',
-            selected: false,
-            deleted: false,
-          },
-        ],
-      },
-    ],
-    selected_partition_index: -1,
-    selected_groups_label: '',
-  },
-  enable_copy_paste_units: false,
-  edited_by: 'edx',
-  published_by: null,
-  currently_visible_to_students: true,
-  has_partition_group_components: false,
-  release_date_from: 'Section "Example Week 1: Getting Started"',
-  staff_lock_from: null,
-  upstreamInfo: {
-    upstreamLink: undefined,
-  },
-};

src/course-unit/__mocks__/index.js

@@ -1,4 +1,3 @@
-export { default as courseUnitIndexMock } from './courseUnitIndex';
 export { default as courseSectionVerticalMock } from './courseSectionVertical';
 export { default as courseUnitMock } from './courseUnit';
 export { default as courseCreateXblockMock } from './courseCreateXblock';

src/course-unit/add-component/AddComponent.jsx

@@ -1,13 +1,14 @@
 import { useCallback, useState } from 'react';
 import PropTypes from 'prop-types';
 import { useSelector } from 'react-redux';
-import { useNavigate } from 'react-router-dom';
+import { getConfig } from '@edx/frontend-platform';
 import { useIntl, FormattedMessage } from '@edx/frontend-platform/i18n';
 import {
   ActionRow, Button, StandardModal, useToggle,
 } from '@openedx/paragon';
 
 import { getCourseSectionVertical } from '../data/selectors';
+import { getWaffleFlags } from '../../data/selectors';
 import { COMPONENT_TYPES } from '../../generic/block-type-utils/constants';
 import ComponentModalView from './add-component-modals/ComponentModalView';
 import AddComponentButton from './add-component-btn';
@@ -16,6 +17,8 @@ import { ComponentPicker } from '../../library-authoring/component-picker';
 import { messageTypes } from '../constants';
 import { useIframe } from '../../generic/hooks/context/hooks';
 import { useEventListener } from '../../generic/hooks';
+import VideoSelectorPage from '../../editors/VideoSelectorPage';
+import EditorPage from '../../editors/EditorPage';
 
 const AddComponent = ({
   parentLocator,
@@ -24,7 +27,6 @@ const AddComponent = ({
   addComponentTemplateData,
   handleCreateNewCourseXBlock,
 }) => {
-  const navigate = useNavigate();
   const intl = useIntl();
   const [isOpenAdvanced, openAdvanced, closeAdvanced] = useToggle(false);
   const [isOpenHtml, openHtml, closeHtml] = useToggle(false);
@@ -32,10 +34,17 @@ const AddComponent = ({
   const { componentTemplates = {} } = useSelector(getCourseSectionVertical);
   const blockId = addComponentTemplateData.parentLocator || parentLocator;
   const [isAddLibraryContentModalOpen, showAddLibraryContentModal, closeAddLibraryContentModal] = useToggle();
+  const [isVideoSelectorModalOpen, showVideoSelectorModal, closeVideoSelectorModal] = useToggle();
+  const [isXBlockEditorModalOpen, showXBlockEditorModal, closeXBlockEditorModal] = useToggle();
+
+  const [blockType, setBlockType] = useState(null);
+  const [courseId, setCourseId] = useState(null);
+  const [newBlockId, setNewBlockId] = useState(null);
   const [isSelectLibraryContentModalOpen, showSelectLibraryContentModal, closeSelectLibraryContentModal] = useToggle();
   const [selectedComponents, setSelectedComponents] = useState([]);
   const [usageId, setUsageId] = useState(null);
   const { sendMessageToIframe } = useIframe();
+  const { useVideoGalleryFlow, useReactMarkdownEditor } = useSelector(getWaffleFlags);
 
   const receiveMessage = useCallback(({ data: { type, payload } }) => {
     if (type === messageTypes.showMultipleComponentPicker) {
@@ -54,6 +63,12 @@ const AddComponent = ({
     closeSelectLibraryContentModal();
   }, [selectedComponents]);
 
+  const onXBlockSave = useCallback(/* istanbul ignore next */ () => {
+    closeXBlockEditorModal();
+    closeVideoSelectorModal();
+    sendMessageToIframe(messageTypes.refreshXBlock, null);
+  }, [closeXBlockEditorModal, closeVideoSelectorModal, sendMessageToIframe]);
+
   const handleLibraryV2Selection = useCallback((selection) => {
     handleCreateNewCourseXBlock({
       type: COMPONENT_TYPES.libraryV2,
@@ -71,12 +86,28 @@ const AddComponent = ({
         handleCreateNewCourseXBlock({ type, parentLocator: blockId });
         break;
       case COMPONENT_TYPES.problem:
-      case COMPONENT_TYPES.video:
         handleCreateNewCourseXBlock({ type, parentLocator: blockId }, ({ courseKey, locator }) => {
-          localStorage.setItem('createXBlockLastYPosition', window.scrollY);
-          navigate(`/course/${courseKey}/editor/${type}/${locator}`);
+          setCourseId(courseKey);
+          setBlockType(type);
+          setNewBlockId(locator);
+          showXBlockEditorModal();
         });
         break;
+      case COMPONENT_TYPES.video:
+        handleCreateNewCourseXBlock(
+          { type, parentLocator: blockId },
+          /* istanbul ignore next */ ({ courseKey, locator }) => {
+            setCourseId(courseKey);
+            setBlockType(type);
+            setNewBlockId(locator);
+            if (useVideoGalleryFlow) {
+              showVideoSelectorModal();
+            } else {
+              showXBlockEditorModal();
+            }
+          },
+        );
+        break;
         // TODO: The library functional will be a bit different of current legacy (CMS)
         //  behaviour and this ticket is on hold (blocked by other development team).
       case COMPONENT_TYPES.library:
@@ -99,9 +130,11 @@ const AddComponent = ({
           type,
           boilerplate: moduleName,
           parentLocator: blockId,
-        }, ({ courseKey, locator }) => {
-          localStorage.setItem('createXBlockLastYPosition', window.scrollY);
-          navigate(`/course/${courseKey}/editor/html/${locator}`);
+        }, /* istanbul ignore next */ ({ courseKey, locator }) => {
+          setCourseId(courseKey);
+          setBlockType(type);
+          setNewBlockId(locator);
+          showXBlockEditorModal();
         });
         break;
       default:
@@ -201,6 +234,38 @@ const AddComponent = ({
             onChangeComponentSelection={setSelectedComponents}
           />
         </StandardModal>
+        <StandardModal
+          title={intl.formatMessage(messages.videoPickerModalTitle)}
+          isOpen={isVideoSelectorModalOpen}
+          onClose={closeVideoSelectorModal}
+          isOverflowVisible={false}
+          size="xl"
+        >
+          <div className="selector-page">
+            <VideoSelectorPage
+              blockId={newBlockId}
+              courseId={courseId}
+              studioEndpointUrl={getConfig().STUDIO_BASE_URL}
+              lmsEndpointUrl={getConfig().LMS_BASE_URL}
+              onCancel={closeVideoSelectorModal}
+              returnFunction={/* istanbul ignore next */ () => onXBlockSave}
+            />
+          </div>
+        </StandardModal>
+        {isXBlockEditorModalOpen && (
+          <div className="editor-page">
+            <EditorPage
+              courseId={courseId}
+              blockType={blockType}
+              blockId={newBlockId}
+              isMarkdownEditorEnabledForCourse={useReactMarkdownEditor}
+              studioEndpointUrl={getConfig().STUDIO_BASE_URL}
+              lmsEndpointUrl={getConfig().LMS_BASE_URL}
+              onClose={closeXBlockEditorModal}
+              returnFunction={/* istanbul ignore next */ () => onXBlockSave}
+            />
+          </div>
+        )}
       </div>
     );
   }

src/course-unit/add-component/messages.js

@@ -31,6 +31,11 @@ const messages = defineMessages({
     defaultMessage: 'Add selected components',
     description: 'Problem bank component add button text.',
   },
+  videoPickerModalTitle: {
+    id: 'course-authoring.course-unit.modal.video-title.text',
+    defaultMessage: 'Select video',
+    description: 'Video picker modal title.',
+  },
   modalContainerTitle: {
     id: 'course-authoring.course-unit.modal.container.title',
     defaultMessage: 'Add {componentTitle} component',

src/course-unit/breadcrumbs/Breadcrumbs.test.tsx

@@ -5,11 +5,11 @@ import {
 } from '../../testUtils';
 
 import { executeThunk } from '../../utils';
-import { getCourseSectionVerticalApiUrl, getCourseUnitApiUrl } from '../data/api';
+import { getCourseSectionVerticalApiUrl } from '../data/api';
 import { getApiWaffleFlagsUrl } from '../../data/api';
 import { fetchWaffleFlags } from '../../data/thunks';
-import { fetchCourseSectionVerticalData, fetchCourseUnitQuery } from '../data/thunk';
-import { courseSectionVerticalMock, courseUnitIndexMock } from '../__mocks__';
+import { fetchCourseSectionVerticalData } from '../data/thunk';
+import { courseSectionVerticalMock } from '../__mocks__';
 import Breadcrumbs from './Breadcrumbs';
 
 let axiosMock;
@@ -43,9 +43,9 @@ describe('<Breadcrumbs />', () => {
     reduxStore = mocks.reduxStore;
 
     axiosMock
-      .onGet(getCourseUnitApiUrl(courseId))
-      .reply(200, courseUnitIndexMock);
-    await executeThunk(fetchCourseUnitQuery(courseId), reduxStore.dispatch);
+      .onGet(getCourseSectionVerticalApiUrl(courseId))
+      .reply(200, courseSectionVerticalMock);
+    await executeThunk(fetchCourseSectionVerticalData(courseId), reduxStore.dispatch);
     axiosMock
       .onGet(getCourseSectionVerticalApiUrl(courseId))
       .reply(200, courseSectionVerticalMock);

src/course-unit/course-sequence/hooks.js

@@ -12,16 +12,19 @@ export function useSequenceNavigationMetadata(courseId, currentSequenceId, curre
   const isLastUnit = !nextUrl;
   const sequenceIds = useSelector(getSequenceIds);
   const sequenceIndex = sequenceIds.indexOf(currentSequenceId);
-  const unitIndex = sequence.unitIds.indexOf(currentUnitId);
+  let unitIndex = sequence?.unitIds.indexOf(currentUnitId);
 
   const nextSequenceId = sequenceIndex < sequenceIds.length - 1 ? sequenceIds[sequenceIndex + 1] : null;
   const previousSequenceId = sequenceIndex > 0 ? sequenceIds[sequenceIndex - 1] : null;
-
+  if (!unitIndex) {
+    // Handle case where unitIndex is not found
+    unitIndex = 0;
+  }
   let nextLink;
   const nextIndex = unitIndex + 1;
 
-  if (nextIndex < sequence.unitIds.length) {
-    const nextUnitId = sequence.unitIds[nextIndex];
+  if (nextIndex < sequence?.unitIds.length) {
+    const nextUnitId = sequence?.unitIds[nextIndex];
     nextLink = `/course/${courseId}/container/${nextUnitId}/${currentSequenceId}`;
   } else if (nextSequenceId) {
     const pathToNextUnit = decodeURIComponent(nextUrl);
@@ -32,7 +35,7 @@ export function useSequenceNavigationMetadata(courseId, currentSequenceId, curre
   const previousIndex = unitIndex - 1;
 
   if (previousIndex >= 0) {
-    const previousUnitId = sequence.unitIds[previousIndex];
+    const previousUnitId = sequence?.unitIds[previousIndex];
     previousLink = `/course/${courseId}/container/${previousUnitId}/${currentSequenceId}`;
   } else if (previousSequenceId) {
     const pathToPreviousUnit = decodeURIComponent(prevUrl);

src/course-unit/course-sequence/sequence-navigation/SequenceNavigation.jsx

@@ -35,7 +35,7 @@ const SequenceNavigation = ({
 
   const shouldDisplayNotificationTriggerInSequence = useWindowSize().width < breakpoints.small.minWidth;
   const renderUnitButtons = () => {
-    if (sequence.unitIds?.length === 0 || unitId === null) {
+    if (sequence.unitIds.length === 0 || unitId === null) {
       return (
         <div style={{ flexBasis: '100%', minWidth: 0, borderBottom: 'solid 1px #EAEAEA' }} />
       );
@@ -43,7 +43,7 @@ const SequenceNavigation = ({
 
     return (
       <SequenceNavigationTabs
-        unitIds={sequence.unitIds || []}
+        unitIds={sequence?.unitIds || []}
         unitId={unitId}
         handleCreateNewCourseXBlock={handleCreateNewCourseXBlock}
         showPasteUnit={showPasteUnit}

src/course-unit/data/api.js

@@ -3,11 +3,10 @@ import { camelCaseObject, getConfig } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 
 import { PUBLISH_TYPES } from '../constants';
-import { normalizeCourseSectionVerticalData, updateXBlockBlockIdToId } from './utils';
+import { isUnitReadOnly, normalizeCourseSectionVerticalData, updateXBlockBlockIdToId } from './utils';
 
 const getStudioBaseUrl = () => getConfig().STUDIO_BASE_URL;
 
-export const getCourseUnitApiUrl = (itemId) => `${getStudioBaseUrl()}/xblock/container/${itemId}`;
 export const getXBlockBaseApiUrl = (itemId) => `${getStudioBaseUrl()}/xblock/${itemId}`;
 export const getCourseSectionVerticalApiUrl = (itemId) => `${getStudioBaseUrl()}/api/contentstore/v1/container_handler/${itemId}`;
 export const getCourseVerticalChildrenApiUrl = (itemId) => `${getStudioBaseUrl()}/api/contentstore/v1/container/vertical/${itemId}/children`;
@@ -15,18 +14,6 @@ export const getCourseOutlineInfoUrl = (courseId) => `${getStudioBaseUrl()}/cour
 export const postXBlockBaseApiUrl = () => `${getStudioBaseUrl()}/xblock/`;
 export const libraryBlockChangesUrl = (blockId) => `${getStudioBaseUrl()}/api/contentstore/v2/downstreams/${blockId}/sync`;
 
-/**
- * Get course unit.
- * @param {string} unitId
- * @returns {Promise<Object>}
- */
-export async function getCourseUnitData(unitId) {
-  const { data } = await getAuthenticatedHttpClient()
-    .get(getCourseUnitApiUrl(unitId));
-
-  return camelCaseObject(data);
-}
-
 /**
  * Edit course unit display name.
  * @param {string} unitId
@@ -45,15 +32,18 @@ export async function editUnitDisplayName(unitId, displayName) {
 }
 
 /**
- * Get an object containing course section vertical data.
+ * Fetch vertical block data from the container_handler endpoint.
  * @param {string} unitId
  * @returns {Promise<Object>}
  */
-export async function getCourseSectionVerticalData(unitId) {
+export async function getVerticalData(unitId) {
   const { data } = await getAuthenticatedHttpClient()
     .get(getCourseSectionVerticalApiUrl(unitId));
 
-  return normalizeCourseSectionVerticalData(data);
+  const courseSectionVerticalData = normalizeCourseSectionVerticalData(data);
+  courseSectionVerticalData.xblockInfo.readOnly = isUnitReadOnly(courseSectionVerticalData.xblockInfo);
+
+  return courseSectionVerticalData;
 }
 
 /**

src/course-unit/data/selectors.js

@@ -1,7 +1,7 @@
 import { createSelector } from '@reduxjs/toolkit';
 import { RequestStatus } from 'CourseAuthoring/data/constants';
 
-export const getCourseUnitData = (state) => state.courseUnit.unit;
+export const getCourseUnitData = (state) => state.courseUnit.courseSectionVertical.xblockInfo ?? {};
 export const getCanEdit = (state) => state.courseUnit.canEdit;
 export const getStaticFileNotices = (state) => state.courseUnit.staticFileNotices;
 export const getCourseUnit = (state) => state.courseUnit;
@@ -16,7 +16,7 @@ export const getCourseVerticalChildren = (state) => state.courseUnit.courseVerti
 export const getCourseOutlineInfo = (state) => state.courseUnit.courseOutlineInfo;
 export const getCourseOutlineInfoLoadingStatus = (state) => state.courseUnit.courseOutlineInfoLoadingStatus;
 export const getMovedXBlockParams = (state) => state.courseUnit.movedXBlockParams;
-const getLoadingStatuses = (state) => state.courseUnit.loadingStatus;
+export const getLoadingStatuses = (state) => state.courseUnit.loadingStatus;
 export const getIsLoading = createSelector(
   [getLoadingStatuses],
   loadingStatus => Object.values(loadingStatus)

src/course-unit/data/slice.js

@@ -12,11 +12,9 @@ const slice = createSlice({
     isTitleEditFormOpen: false,
     canEdit: true,
     loadingStatus: {
-      fetchUnitLoadingStatus: RequestStatus.IN_PROGRESS,
       courseSectionVerticalLoadingStatus: RequestStatus.IN_PROGRESS,
       courseVerticalChildrenLoadingStatus: RequestStatus.IN_PROGRESS,
     },
-    unit: {},
     courseSectionVertical: {},
     courseVerticalChildren: { children: [], isPublished: true },
     staticFileNotices: {},
@@ -31,15 +29,6 @@ const slice = createSlice({
     },
   },
   reducers: {
-    fetchCourseItemSuccess: (state, { payload }) => {
-      state.unit = payload;
-    },
-    updateLoadingCourseUnitStatus: (state, { payload }) => {
-      state.loadingStatus = {
-        ...state.loadingStatus,
-        fetchUnitLoadingStatus: payload.status,
-      };
-    },
     updateQueryPendingStatus: (state, { payload }) => {
       state.isQueryPending = payload;
     },
@@ -81,12 +70,6 @@ const slice = createSlice({
         createUnitXblockLoadingStatus: payload.status,
       };
     },
-    addNewUnitStatus: (state, { payload }) => {
-      state.loadingStatus = {
-        ...state.loadingStatus,
-        fetchUnitLoadingStatus: payload.status,
-      };
-    },
     updateCourseVerticalChildren: (state, { payload }) => {
       state.courseVerticalChildren = payload;
     },
@@ -109,8 +92,6 @@ const slice = createSlice({
 });
 
 export const {
-  fetchCourseItemSuccess,
-  updateLoadingCourseUnitStatus,
   updateSavingStatus,
   updateModel,
   fetchSequenceRequest,

src/course-unit/data/thunk.js

@@ -10,9 +10,8 @@ import { NOTIFICATION_MESSAGES } from '../../constants';
 import { updateModel, updateModels } from '../../generic/model-store';
 import { messageTypes } from '../constants';
 import {
-  getCourseUnitData,
   editUnitDisplayName,
-  getCourseSectionVerticalData,
+  getVerticalData,
   createCourseXblock,
   getCourseVerticalChildren,
   handleCourseUnitVisibilityAndData,
@@ -22,8 +21,6 @@ import {
   patchUnitItem,
 } from './api';
 import {
-  updateLoadingCourseUnitStatus,
-  fetchCourseItemSuccess,
   updateSavingStatus,
   fetchSequenceRequest,
   fetchSequenceFailure,
@@ -38,25 +35,7 @@ import {
   updateCourseOutlineInfoLoadingStatus,
   updateMovedXBlockParams,
 } from './slice';
-import { getNotificationMessage, isUnitReadOnly } from './utils';
-
-export function fetchCourseUnitQuery(courseId) {
-  return async (dispatch) => {
-    dispatch(updateLoadingCourseUnitStatus({ status: RequestStatus.IN_PROGRESS }));
-
-    try {
-      const courseUnit = await getCourseUnitData(courseId);
-      courseUnit.readOnly = isUnitReadOnly(courseUnit);
-
-      dispatch(fetchCourseItemSuccess(courseUnit));
-      dispatch(updateLoadingCourseUnitStatus({ status: RequestStatus.SUCCESSFUL }));
-      return true;
-    } catch (error) {
-      dispatch(updateLoadingCourseUnitStatus({ status: RequestStatus.FAILED }));
-      return false;
-    }
-  };
-}
+import { getNotificationMessage } from './utils';
 
 export function fetchCourseSectionVerticalData(courseId, sequenceId) {
   return async (dispatch) => {
@@ -64,7 +43,7 @@ export function fetchCourseSectionVerticalData(courseId, sequenceId) {
     dispatch(fetchSequenceRequest({ sequenceId }));
 
     try {
-      const courseSectionVerticalData = await getCourseSectionVerticalData(courseId);
+      const courseSectionVerticalData = await getVerticalData(courseId);
       dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
       dispatch(updateLoadingCourseSectionVerticalDataStatus({ status: RequestStatus.SUCCESSFUL }));
       dispatch(updateModel({
@@ -95,8 +74,7 @@ export function editCourseItemQuery(itemId, displayName, sequenceId) {
     try {
       await editUnitDisplayName(itemId, displayName).then(async (result) => {
         if (result) {
-          const courseUnit = await getCourseUnitData(itemId);
-          const courseSectionVerticalData = await getCourseSectionVerticalData(itemId);
+          const courseSectionVerticalData = await getVerticalData(itemId);
           dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
           dispatch(updateLoadingCourseSectionVerticalDataStatus({ status: RequestStatus.SUCCESSFUL }));
           dispatch(updateModel({
@@ -108,7 +86,6 @@ export function editCourseItemQuery(itemId, displayName, sequenceId) {
             models: courseSectionVerticalData.units || [],
           }));
           dispatch(fetchSequenceSuccess({ sequenceId }));
-          dispatch(fetchCourseItemSuccess(courseUnit));
           dispatch(hideProcessingNotification());
           dispatch(updateSavingStatus({ status: RequestStatus.SUCCESSFUL }));
         }
@@ -147,8 +124,8 @@ export function editCourseUnitVisibilityAndData(
           if (callback) {
             callback();
           }
-          const courseUnit = await getCourseUnitData(blockId);
-          dispatch(fetchCourseItemSuccess(courseUnit));
+          const courseSectionVerticalData = await getVerticalData(blockId);
+          dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
           const courseVerticalChildrenData = await getCourseVerticalChildren(blockId);
           dispatch(updateCourseVerticalChildren(courseVerticalChildrenData));
           dispatch(hideProcessingNotification());
@@ -175,7 +152,7 @@ export function createNewCourseXBlock(body, callback, blockId, sendMessageToIfra
         if (result) {
           const formattedResult = camelCaseObject(result);
           if (body.category === 'vertical') {
-            const courseSectionVerticalData = await getCourseSectionVerticalData(formattedResult.locator);
+            const courseSectionVerticalData = await getVerticalData(formattedResult.locator);
             dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
           }
           if (body.stagedContent) {
@@ -195,8 +172,8 @@ export function createNewCourseXBlock(body, callback, blockId, sendMessageToIfra
             sendMessageToIframe(messageTypes.addXBlock, { data: result });
           }
           const currentBlockId = body.category === 'vertical' ? formattedResult.locator : blockId;
-          const courseUnit = await getCourseUnitData(currentBlockId);
-          dispatch(fetchCourseItemSuccess(courseUnit));
+          const courseSectionVerticalData = await getVerticalData(currentBlockId);
+          dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
         }
       });
     } catch (error) {
@@ -241,8 +218,8 @@ export function deleteUnitItemQuery(itemId, xblockId, sendMessageToIframe) {
     try {
       await deleteUnitItem(xblockId);
       sendMessageToIframe(messageTypes.completeXBlockDeleting, { locator: xblockId });
-      const courseUnit = await getCourseUnitData(itemId);
-      dispatch(fetchCourseItemSuccess(courseUnit));
+      const courseSectionVerticalData = await getVerticalData(itemId);
+      dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
       dispatch(hideProcessingNotification());
       dispatch(updateSavingStatus({ status: RequestStatus.SUCCESSFUL }));
     } catch (error) {
@@ -260,8 +237,10 @@ export function duplicateUnitItemQuery(itemId, xblockId, callback) {
     try {
       const { courseKey, locator } = await duplicateUnitItem(itemId, xblockId);
       callback(courseKey, locator);
-      const courseUnit = await getCourseUnitData(itemId);
-      dispatch(fetchCourseItemSuccess(courseUnit));
+      const courseSectionVerticalData = await getVerticalData(itemId);
+      dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
+      const courseVerticalChildrenData = await getCourseVerticalChildren(itemId);
+      dispatch(updateCourseVerticalChildren(courseVerticalChildrenData));
       dispatch(hideProcessingNotification());
       dispatch(updateSavingStatus({ status: RequestStatus.SUCCESSFUL }));
     } catch (error) {
@@ -315,8 +294,8 @@ export function patchUnitItemQuery({
       dispatch(updateCourseOutlineInfoLoadingStatus({ status: RequestStatus.IN_PROGRESS }));
       callbackFn(sourceLocator);
       try {
-        const courseUnit = await getCourseUnitData(currentParentLocator);
-        dispatch(fetchCourseItemSuccess(courseUnit));
+        const courseSectionVerticalData = await getVerticalData(currentParentLocator);
+        dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
       } catch (error) {
         handleResponseErrors(error, dispatch, updateSavingStatus);
       }
@@ -334,8 +313,8 @@ export function updateCourseUnitSidebar(itemId) {
     dispatch(showProcessingNotification(NOTIFICATION_MESSAGES.saving));
 
     try {
-      const courseUnit = await getCourseUnitData(itemId);
-      dispatch(fetchCourseItemSuccess(courseUnit));
+      const courseSectionVerticalData = await getVerticalData(itemId);
+      dispatch(fetchCourseSectionVerticalDataSuccess(courseSectionVerticalData));
       dispatch(hideProcessingNotification());
       dispatch(updateSavingStatus({ status: RequestStatus.SUCCESSFUL }));
     } catch (error) {

src/course-unit/header-title/HeaderTitle.test.jsx

@@ -8,9 +8,9 @@ import { initializeMockApp } from '@edx/frontend-platform';
 
 import initializeStore from '../../store';
 import { executeThunk } from '../../utils';
-import { getCourseUnitApiUrl } from '../data/api';
-import { fetchCourseUnitQuery } from '../data/thunk';
-import { courseUnitIndexMock } from '../__mocks__';
+import { getCourseSectionVerticalApiUrl } from '../data/api';
+import { fetchCourseSectionVerticalData } from '../data/thunk';
+import { courseSectionVerticalMock } from '../__mocks__';
 import HeaderTitle from './HeaderTitle';
 import messages from './messages';
 
@@ -52,9 +52,9 @@ describe('<HeaderTitle />', () => {
     store = initializeStore();
     axiosMock = new MockAdapter(getAuthenticatedHttpClient());
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
-      .reply(200, courseUnitIndexMock);
-    await executeThunk(fetchCourseUnitQuery(blockId), store.dispatch);
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
+      .reply(200, courseSectionVerticalMock);
+    await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
   });
 
   it('render HeaderTitle component correctly', () => {
@@ -80,14 +80,18 @@ describe('<HeaderTitle />', () => {
     // Override mock unit with one sourced from an upstream library
     axiosMock = new MockAdapter(getAuthenticatedHttpClient());
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        upstreamInfo: {
-          upstreamRef: 'lct:org:lib:unit:unit-1',
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          upstreamInfo: {
+            ...courseSectionVerticalMock.xblock_info.upstreamInfo,
+            upstreamRef: 'lct:org:lib:unit:unit-1',
+          },
         },
       });
-    await executeThunk(fetchCourseUnitQuery(blockId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
 
     const { getByRole } = renderComponent();
 
@@ -122,16 +126,19 @@ describe('<HeaderTitle />', () => {
 
   it('displays a visibility message with the selected groups for the unit', async () => {
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        user_partition_info: {
-          ...courseUnitIndexMock.user_partition_info,
-          selected_partition_index: 1,
-          selected_groups_label: 'Visibility group 1',
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          user_partition_info: {
+            ...courseSectionVerticalMock.xblock_info.user_partition_info,
+            selected_partition_index: 1,
+            selected_groups_label: 'Visibility group 1',
+          },
         },
       });
-    await executeThunk(fetchCourseUnitQuery(blockId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
     const { getByText } = renderComponent();
     const visibilityMessage = messages.definedVisibilityMessage.defaultMessage
       .replace('{selectedGroupsLabel}', 'Visibility group 1');
@@ -143,12 +150,15 @@ describe('<HeaderTitle />', () => {
 
   it('displays a visibility message with the selected groups for some of xblock', async () => {
     axiosMock
-      .onGet(getCourseUnitApiUrl(blockId))
+      .onGet(getCourseSectionVerticalApiUrl(blockId))
       .reply(200, {
-        ...courseUnitIndexMock,
-        has_partition_group_components: true,
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          has_partition_group_components: true,
+        },
       });
-    await executeThunk(fetchCourseUnitQuery(blockId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(blockId), store.dispatch);
     const { getByText } = renderComponent();
 
     await waitFor(() => {

src/course-unit/hooks.jsx

@@ -18,10 +18,10 @@ import {
   editCourseItemQuery,
   editCourseUnitVisibilityAndData,
   fetchCourseSectionVerticalData,
-  fetchCourseUnitQuery,
   fetchCourseVerticalChildrenData,
   getCourseOutlineInfoQuery,
   patchUnitItemQuery,
+  updateCourseUnitSidebar,
 } from './data/thunk';
 import {
   getCanEdit,
@@ -35,6 +35,7 @@ import {
   getSavingStatus,
   getSequenceStatus,
   getStaticFileNotices,
+  getLoadingStatuses,
 } from './data/selectors';
 import {
   changeEditTitleFormOpen,
@@ -51,6 +52,7 @@ export const useCourseUnit = ({ courseId, blockId }) => {
   const [isMoveModalOpen, openMoveModal, closeMoveModal] = useToggle(false);
 
   const courseUnit = useSelector(getCourseUnitData);
+  const courseUnitLoadingStatus = useSelector(getLoadingStatuses);
   const savingStatus = useSelector(getSavingStatus);
   const isLoading = useSelector(getIsLoading);
   const errorMessage = useSelector(getErrorMessage);
@@ -196,7 +198,6 @@ export const useCourseUnit = ({ courseId, blockId }) => {
   }, [savingStatus]);
 
   useEffect(() => {
-    dispatch(fetchCourseUnitQuery(blockId));
     dispatch(fetchCourseSectionVerticalData(blockId, sequenceId));
     dispatch(fetchCourseVerticalChildrenData(blockId, isSplitTestType));
     handleNavigate(sequenceId);
@@ -215,9 +216,27 @@ export const useCourseUnit = ({ courseId, blockId }) => {
     }
   }, [isMoveModalOpen]);
 
+  useEffect(() => {
+    const handlePageRefreshUsingStorage = (event) => {
+      // ignoring tests for if block, because it triggers when someone
+      // edits the component using editor which has a separate store
+      /* istanbul ignore next */
+      if (event.key === 'courseRefreshTriggerOnComponentEditSave') {
+        dispatch(updateCourseUnitSidebar(blockId));
+        localStorage.removeItem(event.key);
+      }
+    };
+
+    window.addEventListener('storage', handlePageRefreshUsingStorage);
+    return () => {
+      window.removeEventListener('storage', handlePageRefreshUsingStorage);
+    };
+  }, [blockId, sequenceId, isSplitTestType]);
+
   return {
     sequenceId,
     courseUnit,
+    courseUnitLoadingStatus,
     unitTitle,
     unitCategory,
     errorMessage,

src/course-unit/preview-changes/index.test.tsx

@@ -12,7 +12,6 @@ import IframePreviewLibraryXBlockChanges, { LibraryChangesMessageData } from '.'
 import { messageTypes } from '../constants';
 import { libraryBlockChangesUrl } from '../data/api';
 import { ToastActionData } from '../../generic/toast-context';
-import { getLibraryBlockMetadataUrl, getLibraryContainerApiUrl } from '../../library-authoring/data/api';
 
 const usageKey = 'some-id';
 const defaultEventData: LibraryChangesMessageData = {
@@ -66,7 +65,7 @@ describe('<IframePreviewLibraryXBlockChanges />', () => {
     expect(await screen.findByRole('tab', { name: 'Old version' })).toBeInTheDocument();
   });
 
-  it('renders displayName for units', async () => {
+  it('renders default displayName for units with no displayName', async () => {
     render({ ...defaultEventData, isVertical: true, displayName: '' });
 
     expect(await screen.findByText('Preview changes: Unit')).toBeInTheDocument();
@@ -78,24 +77,6 @@ describe('<IframePreviewLibraryXBlockChanges />', () => {
     expect(await screen.findByText('Preview changes: Component')).toBeInTheDocument();
   });
 
-  it('renders both new and old title if they are different', async () => {
-    axiosMock.onGet(getLibraryBlockMetadataUrl(defaultEventData.upstreamBlockId)).reply(200, {
-      displayName: 'New test block',
-    });
-    render();
-
-    expect(await screen.findByText('Preview changes: Test block -> New test block')).toBeInTheDocument();
-  });
-
-  it('renders both new and old title if they are different on units', async () => {
-    axiosMock.onGet(getLibraryContainerApiUrl(defaultEventData.upstreamBlockId)).reply(200, {
-      displayName: 'New test Unit',
-    });
-    render({ ...defaultEventData, isVertical: true, displayName: 'Test Unit' });
-
-    expect(await screen.findByText('Preview changes: Test Unit -> New test Unit')).toBeInTheDocument();
-  });
-
   it('accept changes works', async () => {
     axiosMock.onPost(libraryBlockChangesUrl(usageKey)).reply(200, {});
     render();
@@ -104,7 +85,10 @@ describe('<IframePreviewLibraryXBlockChanges />', () => {
     const acceptBtn = await screen.findByRole('button', { name: 'Accept changes' });
     userEvent.click(acceptBtn);
     await waitFor(() => {
-      expect(mockSendMessageToIframe).toHaveBeenCalledWith(messageTypes.refreshXBlock, null);
+      expect(mockSendMessageToIframe).toHaveBeenCalledWith(
+        messageTypes.completeXBlockEditing,
+        { locator: usageKey },
+      );
       expect(axiosMock.history.post.length).toEqual(1);
       expect(axiosMock.history.post[0].url).toEqual(libraryBlockChangesUrl(usageKey));
     });
@@ -119,7 +103,6 @@ describe('<IframePreviewLibraryXBlockChanges />', () => {
     const acceptBtn = await screen.findByRole('button', { name: 'Accept changes' });
     userEvent.click(acceptBtn);
     await waitFor(() => {
-      expect(mockSendMessageToIframe).not.toHaveBeenCalledWith(messageTypes.refreshXBlock, null);
       expect(axiosMock.history.post.length).toEqual(1);
       expect(axiosMock.history.post[0].url).toEqual(libraryBlockChangesUrl(usageKey));
     });
@@ -137,7 +120,10 @@ describe('<IframePreviewLibraryXBlockChanges />', () => {
     const ignoreConfirmBtn = await screen.findByRole('button', { name: 'Ignore' });
     userEvent.click(ignoreConfirmBtn);
     await waitFor(() => {
-      expect(mockSendMessageToIframe).toHaveBeenCalledWith(messageTypes.refreshXBlock, null);
+      expect(mockSendMessageToIframe).toHaveBeenCalledWith(
+        messageTypes.completeXBlockEditing,
+        { locator: usageKey },
+      );
       expect(axiosMock.history.delete.length).toEqual(1);
       expect(axiosMock.history.delete[0].url).toEqual(libraryBlockChangesUrl(usageKey));
     });

src/course-unit/preview-changes/index.tsx

@@ -1,20 +1,21 @@
-import React, { useCallback, useContext, useState } from 'react';
+import { useCallback, useContext, useState } from 'react';
 import {
   ActionRow, Button, ModalDialog, useToggle,
 } from '@openedx/paragon';
+import { Warning } from '@openedx/paragon/icons';
 import { useIntl, FormattedMessage } from '@edx/frontend-platform/i18n';
 
 import { useEventListener } from '../../generic/hooks';
 import { messageTypes } from '../constants';
 import CompareChangesWidget from '../../library-authoring/component-comparison/CompareChangesWidget';
 import { useAcceptLibraryBlockChanges, useIgnoreLibraryBlockChanges } from '../data/apiHooks';
+import AlertMessage from '../../generic/alert-message';
 import { useIframe } from '../../generic/hooks/context/hooks';
 import DeleteModal from '../../generic/delete-modal/DeleteModal';
 import messages from './messages';
 import { ToastContext } from '../../generic/toast-context';
 import LoadingButton from '../../generic/loading-button';
 import Loading from '../../generic/Loading';
-import { useContainer, useLibraryBlockMetadata } from '../../library-authoring/data/apiHooks';
 
 export interface LibraryChangesMessageData {
   displayName: string,
@@ -25,11 +26,10 @@ export interface LibraryChangesMessageData {
 }
 
 export interface PreviewLibraryXBlockChangesProps {
-  blockData?: LibraryChangesMessageData,
+  blockData: LibraryChangesMessageData,
   isModalOpen: boolean,
   closeModal: () => void,
   postChange: (accept: boolean) => void,
-  alertNode?: React.ReactNode,
 }
 
 /**
@@ -41,7 +41,6 @@ export const PreviewLibraryXBlockChanges = ({
   isModalOpen,
   closeModal,
   postChange,
-  alertNode,
 }: PreviewLibraryXBlockChangesProps) => {
   const { showToast } = useContext(ToastContext);
   const intl = useIntl();
@@ -49,32 +48,9 @@ export const PreviewLibraryXBlockChanges = ({
   // ignore changes confirmation modal toggle.
   const [isConfirmModalOpen, openConfirmModal, closeConfirmModal] = useToggle(false);
 
-  // TODO: Split into two different components to avoid making these two calls in which
-  // one will definitely fail
-  const { data: componentMetadata } = useLibraryBlockMetadata(blockData?.upstreamBlockId);
-  const { data: unitMetadata } = useContainer(blockData?.upstreamBlockId);
-
-  const metadata = blockData?.isVertical ? unitMetadata : componentMetadata;
-
   const acceptChangesMutation = useAcceptLibraryBlockChanges();
   const ignoreChangesMutation = useIgnoreLibraryBlockChanges();
 
-  const getTitle = useCallback(() => {
-    const oldName = blockData?.displayName;
-    const newName = metadata?.displayName;
-
-    if (!oldName) {
-      if (blockData?.isVertical) {
-        return intl.formatMessage(messages.defaultUnitTitle);
-      }
-      return intl.formatMessage(messages.defaultComponentTitle);
-    }
-    if (oldName === newName || !newName) {
-      return intl.formatMessage(messages.title, { blockTitle: oldName });
-    }
-    return intl.formatMessage(messages.diffTitle, { oldName, newName });
-  }, [blockData, metadata]);
-
   const getBody = useCallback(() => {
     if (!blockData) {
       return <Loading />;
@@ -108,12 +84,21 @@ export const PreviewLibraryXBlockChanges = ({
     }
   }, [blockData]);
 
+  const defaultTitle = intl.formatMessage(
+    blockData.isVertical
+      ? messages.defaultUnitTitle
+      : messages.defaultComponentTitle,
+  );
+  const title = blockData.displayName
+    ? intl.formatMessage(messages.title, { blockTitle: blockData?.displayName })
+    : defaultTitle;
+
   return (
     <ModalDialog
       isOpen={isModalOpen}
       onClose={closeModal}
       size="xl"
-      title={getTitle()}
+      title={title}
       className="lib-preview-xblock-changes-modal"
       hasCloseButton
       isFullscreenOnMobile
@@ -121,11 +106,16 @@ export const PreviewLibraryXBlockChanges = ({
     >
       <ModalDialog.Header>
         <ModalDialog.Title>
-          {getTitle()}
+          {title}
         </ModalDialog.Title>
       </ModalDialog.Header>
       <ModalDialog.Body>
-        {alertNode}
+        <AlertMessage
+          show
+          variant="warning"
+          icon={Warning}
+          title={intl.formatMessage(messages.olderVersionPreviewAlert)}
+        />
         {getBody()}
       </ModalDialog.Body>
       <ModalDialog.Footer>
@@ -186,12 +176,18 @@ const IframePreviewLibraryXBlockChanges = () => {
 
   useEventListener('message', receiveMessage);
 
+  if (!blockData) {
+    return null;
+  }
+
+  const blockPayload = { locator: blockData.downstreamBlockId };
+
   return (
     <PreviewLibraryXBlockChanges
       blockData={blockData}
       isModalOpen={isModalOpen}
       closeModal={closeModal}
-      postChange={() => sendMessageToIframe(messageTypes.refreshXBlock, null)}
+      postChange={() => sendMessageToIframe(messageTypes.completeXBlockEditing, blockPayload)}
     />
   );
 };

src/course-unit/preview-changes/messages.ts

@@ -6,11 +6,6 @@ const messages = defineMessages({
     defaultMessage: 'Preview changes: {blockTitle}',
     description: 'Preview changes modal title text',
   },
-  diffTitle: {
-    id: 'authoring.course-unit.preview-changes.modal-diff-title',
-    defaultMessage: 'Preview changes: {oldName} -> {newName}',
-    description: 'Preview changes modal title text',
-  },
   defaultUnitTitle: {
     id: 'authoring.course-unit.preview-changes.modal-default-unit-title',
     defaultMessage: 'Preview changes: Unit',
@@ -61,6 +56,11 @@ const messages = defineMessages({
     defaultMessage: 'Ignore',
     description: 'Preview changes confirmation dialog confirm button text when user clicks on ignore changes.',
   },
+  olderVersionPreviewAlert: {
+    id: 'course-authoring.review-tab.preview.old-version-alert',
+    defaultMessage: 'The old version preview is the previous library version',
+    description: 'Alert message stating that older version in preview is of library block',
+  },
 });
 
 export default messages;

src/course-unit/sidebar/components/sidebar-footer/ActionButtons.test.jsx

@@ -10,10 +10,10 @@ import userEvent from '@testing-library/user-event';
 import initializeStore from '../../../../store';
 import { executeThunk } from '../../../../utils';
 import { clipboardUnit } from '../../../../__mocks__';
-import { getCourseUnitApiUrl } from '../../../data/api';
+import { getCourseSectionVerticalApiUrl } from '../../../data/api';
 import { getClipboardUrl } from '../../../../generic/data/api';
-import { fetchCourseUnitQuery } from '../../../data/thunk';
-import { courseUnitIndexMock } from '../../../__mocks__';
+import { fetchCourseSectionVerticalData } from '../../../data/thunk';
+import { courseSectionVerticalMock } from '../../../__mocks__';
 import messages from '../../messages';
 import ActionButtons from './ActionButtons';
 
@@ -46,8 +46,14 @@ describe('<ActionButtons />', () => {
     store = initializeStore();
     axiosMock = new MockAdapter(getAuthenticatedHttpClient());
     axiosMock
-      .onGet(getCourseUnitApiUrl(courseId))
-      .reply(200, { ...courseUnitIndexMock, enable_copy_paste_units: true });
+      .onGet(getCourseSectionVerticalApiUrl(courseId))
+      .reply(200, {
+        ...courseSectionVerticalMock,
+        xblock_info: {
+          ...courseSectionVerticalMock.xblock_info,
+          enable_copy_paste_units: true,
+        },
+      });
     axiosMock
       .onPost(getClipboardUrl())
       .reply(200, clipboardUnit);
@@ -57,7 +63,7 @@ describe('<ActionButtons />', () => {
 
     queryClient = new QueryClient();
 
-    await executeThunk(fetchCourseUnitQuery(courseId), store.dispatch);
+    await executeThunk(fetchCourseSectionVerticalData(courseId), store.dispatch);
   });
 
   it('render ActionButtons component with Copy to clipboard', () => {
@@ -74,7 +80,9 @@ describe('<ActionButtons />', () => {
 
     userEvent.click(copyXBlockBtn);
     expect(axiosMock.history.post.length).toBe(1);
-    expect(axiosMock.history.post[0].data).toBe(JSON.stringify({ usage_key: courseUnitIndexMock.id }));
+    expect(axiosMock.history.post[0].data).toBe(
+      JSON.stringify({ usage_key: courseSectionVerticalMock.xblock_info.id }),
+    );
     jest.resetAllMocks();
   });
 });

src/course-unit/sidebar/utils.js

@@ -99,4 +99,4 @@ export const getIconVariant = (visibilityState, published, hasChanges) => {
  * @param {string} id - The course unit ID.
  * @returns {string} The clear course unit ID extracted from the provided data.
  */
-export const extractCourseUnitId = (id) => id.match(/block@(.+)$/)[1];
+export const extractCourseUnitId = (id) => id?.match(/block@(.+)$/)[1];

src/course-unit/xblock-container-iframe/hooks/types.ts

@@ -1,11 +1,11 @@
 export type UseMessageHandlersTypes = {
   courseId: string;
-  navigate: (path: string) => void;
   dispatch: (action: any) => void;
   setIframeOffset: (height: number) => void;
   handleDeleteXBlock: (usageId: string) => void;
   handleScrollToXBlock: (scrollOffset: number) => void;
-  handleDuplicateXBlock: (blockType: string, usageId: string) => void;
+  handleDuplicateXBlock: (usageId: string) => void;
+  handleEditXBlock: (blockType: string, usageId: string) => void;
   handleManageXBlockAccess: (usageId: string) => void;
   handleShowLegacyEditXBlockModal: (id: string) => void;
   handleCloseLegacyEditorXBlockModal: () => void;
@@ -14,7 +14,6 @@ export type UseMessageHandlersTypes = {
   handleOpenManageTagsModal: (id: string) => void;
   handleShowProcessingNotification: (variant: string) => void;
   handleHideProcessingNotification: () => void;
-  handleRedirectToXBlockEditPage: (payload: { type: string, locator: string }) => void;
 };
 
 export type MessageHandlersTypes = Record<string, (payload: any) => void>;

src/course-unit/xblock-container-iframe/hooks/useMessageHandlers.tsx

@@ -16,7 +16,6 @@ import { MessageHandlersTypes, UseMessageHandlersTypes } from './types';
  */
 export const useMessageHandlers = ({
   courseId,
-  navigate,
   dispatch,
   setIframeOffset,
   handleDeleteXBlock,
@@ -30,15 +29,15 @@ export const useMessageHandlers = ({
   handleOpenManageTagsModal,
   handleShowProcessingNotification,
   handleHideProcessingNotification,
-  handleRedirectToXBlockEditPage,
+  handleEditXBlock,
 }: UseMessageHandlersTypes): MessageHandlersTypes => {
   const { copyToClipboard } = useClipboard();
 
   return useMemo(() => ({
     [messageTypes.copyXBlock]: ({ usageId }) => copyToClipboard(usageId),
     [messageTypes.deleteXBlock]: ({ usageId }) => handleDeleteXBlock(usageId),
-    [messageTypes.newXBlockEditor]: ({ blockType, usageId }) => navigate(`/course/${courseId}/editor/${blockType}/${usageId}`),
-    [messageTypes.duplicateXBlock]: ({ blockType, usageId }) => handleDuplicateXBlock(blockType, usageId),
+    [messageTypes.newXBlockEditor]: ({ blockType, usageId }) => handleEditXBlock(blockType, usageId),
+    [messageTypes.duplicateXBlock]: ({ usageId }) => handleDuplicateXBlock(usageId),
     [messageTypes.manageXBlockAccess]: ({ usageId }) => handleManageXBlockAccess(usageId),
     [messageTypes.scrollToXBlock]: debounce(({ scrollOffset }) => handleScrollToXBlock(scrollOffset), 1000),
     [messageTypes.toggleCourseXBlockDropdown]: ({
@@ -52,9 +51,14 @@ export const useMessageHandlers = ({
     [messageTypes.openManageTags]: (payload) => handleOpenManageTagsModal(payload.contentId),
     [messageTypes.addNewComponent]: () => handleShowProcessingNotification(NOTIFICATION_MESSAGES.adding),
     [messageTypes.pasteNewComponent]: () => handleShowProcessingNotification(NOTIFICATION_MESSAGES.pasting),
-    [messageTypes.copyXBlockLegacy]: () => handleShowProcessingNotification(NOTIFICATION_MESSAGES.copying),
+    [messageTypes.copyXBlockLegacy]: /* istanbul ignore next */ () => handleShowProcessingNotification(
+      NOTIFICATION_MESSAGES.copying,
+    ),
     [messageTypes.hideProcessingNotification]: handleHideProcessingNotification,
-    [messageTypes.handleRedirectToXBlockEditPage]: (payload) => handleRedirectToXBlockEditPage(payload),
+    [messageTypes.handleRedirectToXBlockEditPage]: /* istanbul ignore next */ (payload) => handleEditXBlock(
+      payload.type,
+      payload.locator,
+    ),
   }), [
     courseId,
     handleDeleteXBlock,

src/course-unit/xblock-container-iframe/index.tsx

@@ -1,10 +1,10 @@
+import { getConfig } from '@edx/frontend-platform';
 import {
   FC, useEffect, useState, useMemo, useCallback,
 } from 'react';
 import { useIntl } from '@edx/frontend-platform/i18n';
-import { useToggle, Sheet } from '@openedx/paragon';
-import { useDispatch } from 'react-redux';
-import { useNavigate } from 'react-router-dom';
+import { useToggle, Sheet, StandardModal } from '@openedx/paragon';
+import { useDispatch, useSelector } from 'react-redux';
 
 import {
   hideProcessingNotification,
@@ -13,9 +13,9 @@ import {
 import DeleteModal from '../../generic/delete-modal/DeleteModal';
 import ConfigureModal from '../../generic/configure-modal/ConfigureModal';
 import ModalIframe from '../../generic/modal-iframe';
+import { getWaffleFlags } from '../../data/selectors';
 import { IFRAME_FEATURE_POLICY } from '../../constants';
 import ContentTagsDrawer from '../../content-tags-drawer/ContentTagsDrawer';
-import supportedEditors from '../../editors/supportedEditors';
 import { useIframe } from '../../generic/hooks/context/hooks';
 import {
   fetchCourseSectionVerticalData,
@@ -35,16 +35,29 @@ import messages from './messages';
 import { useIframeBehavior } from '../../generic/hooks/useIframeBehavior';
 import { useIframeContent } from '../../generic/hooks/useIframeContent';
 import { useIframeMessages } from '../../generic/hooks/useIframeMessages';
+import VideoSelectorPage from '../../editors/VideoSelectorPage';
+import EditorPage from '../../editors/EditorPage';
+import { RequestStatus } from '../../data/constants';
 
 const XBlockContainerIframe: FC<XBlockContainerIframeProps> = ({
-  courseId, blockId, unitXBlockActions, courseVerticalChildren, handleConfigureSubmit, isUnitVerticalType,
+  courseId,
+  blockId,
+  unitXBlockActions,
+  courseVerticalChildren,
+  handleConfigureSubmit,
+  isUnitVerticalType,
+  courseUnitLoadingStatus,
 }) => {
   const intl = useIntl();
   const dispatch = useDispatch();
-  const navigate = useNavigate();
 
   const [isDeleteModalOpen, openDeleteModal, closeDeleteModal] = useToggle(false);
   const [isConfigureModalOpen, openConfigureModal, closeConfigureModal] = useToggle(false);
+  const [isVideoSelectorModalOpen, showVideoSelectorModal, closeVideoSelectorModal] = useToggle();
+  const [isXBlockEditorModalOpen, showXBlockEditorModal, closeXBlockEditorModal] = useToggle();
+  const [blockType, setBlockType] = useState<string>('');
+  const { useVideoGalleryFlow, useReactMarkdownEditor } = useSelector(getWaffleFlags);
+  const [newBlockId, setNewBlockId] = useState<string>('');
   const [accessManagedXBlockData, setAccessManagedXBlockData] = useState<AccessManagedXBlockDataTypes | {}>({});
   const [iframeOffset, setIframeOffset] = useState(0);
   const [deleteXBlockId, setDeleteXBlockId] = useState<string | null>(null);
@@ -64,14 +77,44 @@ const XBlockContainerIframe: FC<XBlockContainerIframeProps> = ({
     setIframeRef(iframeRef);
   }, [setIframeRef]);
 
-  const handleDuplicateXBlock = useCallback(
-    (blockType: string, usageId: string) => {
-      unitXBlockActions.handleDuplicate(usageId);
-      if (supportedEditors[blockType]) {
-        navigate(`/course/${courseId}/editor/${blockType}/${usageId}`);
+  useEffect(() => {
+    const iframe = iframeRef?.current;
+    if (!iframe) { return undefined; }
+
+    const handleIframeLoad = () => {
+      if (courseUnitLoadingStatus.fetchUnitLoadingStatus === RequestStatus.FAILED) {
+        window.location.reload();
       }
+    };
+
+    iframe.addEventListener('load', handleIframeLoad);
+
+    return () => {
+      iframe.removeEventListener('load', handleIframeLoad);
+    };
+  }, [iframeRef]);
+
+  const onXBlockSave = useCallback(/* istanbul ignore next */ () => {
+    closeXBlockEditorModal();
+    closeVideoSelectorModal();
+    sendMessageToIframe(messageTypes.refreshXBlock, null);
+  }, [closeXBlockEditorModal, closeVideoSelectorModal, sendMessageToIframe]);
+
+  const handleEditXBlock = useCallback((type: string, id: string) => {
+    setBlockType(type);
+    setNewBlockId(id);
+    if (type === 'video' && useVideoGalleryFlow) {
+      showVideoSelectorModal();
+    } else {
+      showXBlockEditorModal();
+    }
+  }, [showVideoSelectorModal, showXBlockEditorModal]);
+
+  const handleDuplicateXBlock = useCallback(
+    (usageId: string) => {
+      unitXBlockActions.handleDuplicate(usageId);
     },
-    [unitXBlockActions, courseId, navigate],
+    [unitXBlockActions, courseId],
   );
 
   const handleDeleteXBlock = (usageId: string) => {
@@ -147,13 +190,8 @@ const XBlockContainerIframe: FC<XBlockContainerIframeProps> = ({
     dispatch(hideProcessingNotification());
   };
 
-  const handleRedirectToXBlockEditPage = (payload: { type: string, locator: string }) => {
-    navigate(`/course/${courseId}/editor/${payload.type}/${payload.locator}`);
-  };
-
   const messageHandlers = useMessageHandlers({
     courseId,
-    navigate,
     dispatch,
     setIframeOffset,
     handleDeleteXBlock,
@@ -167,7 +205,7 @@ const XBlockContainerIframe: FC<XBlockContainerIframeProps> = ({
     handleOpenManageTagsModal,
     handleShowProcessingNotification,
     handleHideProcessingNotification,
-    handleRedirectToXBlockEditPage,
+    handleEditXBlock,
   });
 
   useIframeMessages(messageHandlers);
@@ -186,6 +224,38 @@ const XBlockContainerIframe: FC<XBlockContainerIframeProps> = ({
         close={closeDeleteModal}
         onDeleteSubmit={onDeleteSubmit}
       />
+      <StandardModal
+        title={intl.formatMessage(messages.videoPickerModalTitle)}
+        isOpen={isVideoSelectorModalOpen}
+        onClose={closeVideoSelectorModal}
+        isOverflowVisible={false}
+        size="xl"
+      >
+        <div className="selector-page">
+          <VideoSelectorPage
+            blockId={newBlockId}
+            courseId={courseId}
+            studioEndpointUrl={getConfig().STUDIO_BASE_URL}
+            lmsEndpointUrl={getConfig().LMS_BASE_URL}
+            onCancel={closeVideoSelectorModal}
+            returnFunction={/* istanbul ignore next */ () => onXBlockSave}
+          />
+        </div>
+      </StandardModal>
+      {isXBlockEditorModalOpen && (
+        <div className="editor-page">
+          <EditorPage
+            courseId={courseId}
+            blockType={blockType}
+            blockId={newBlockId}
+            isMarkdownEditorEnabledForCourse={useReactMarkdownEditor}
+            studioEndpointUrl={getConfig().STUDIO_BASE_URL}
+            lmsEndpointUrl={getConfig().LMS_BASE_URL}
+            onClose={closeXBlockEditorModal}
+            returnFunction={/* istanbul ignore next */ () => onXBlockSave}
+          />
+        </div>
+      )}
       {Object.keys(accessManagedXBlockData).length ? (
         <ConfigureModal
           isXBlockComponent

src/course-unit/xblock-container-iframe/messages.ts

@@ -15,6 +15,10 @@ const messages = defineMessages({
     id: 'course-authoring.course-unit.xblock.iframe.label',
     defaultMessage: '{xblockCount} xBlocks inside the frame',
   },
+  videoPickerModalTitle: {
+    id: 'course-authoring.course-unit.xblock.video-editor.title',
+    defaultMessage: 'Select video',
+  },
 });
 
 export default messages;

src/course-unit/xblock-container-iframe/types.ts

@@ -42,6 +42,11 @@ export interface XBlockContainerIframeProps {
   courseId: string;
   blockId: string;
   isUnitVerticalType: boolean,
+  courseUnitLoadingStatus: {
+    fetchUnitLoadingStatus: string;
+    fetchVerticalChildrenLoadingStatus: string;
+    fetchXBlockDataLoadingStatus: string;
+  };
   unitXBlockActions: {
     handleDelete: (XBlockId: string | null) => void;
     handleDuplicate: (XBlockId: string | null) => void;

src/data/slice.js

@@ -26,6 +26,7 @@ const slice = createSlice({
       useNewCertificatesPage: true,
       useNewTextbooksPage: true,
       useNewGroupConfigurationsPage: true,
+      useVideoGalleryFlow: false,
     },
   },
   reducers: {

src/editors/Editor.tsx

@@ -7,7 +7,6 @@ import * as hooks from './hooks';
 
 import supportedEditors from './supportedEditors';
 import type { EditorComponent } from './EditorComponent';
-import { useEditorContext } from './EditorContext';
 import AdvancedEditor from './AdvancedEditor';
 
 export interface Props extends EditorComponent {
@@ -17,7 +16,6 @@ export interface Props extends EditorComponent {
   learningContextId: string | null;
   lmsEndpointUrl: string | null;
   studioEndpointUrl: string | null;
-  fullScreen?: boolean; // eslint-disable-line react/no-unused-prop-types
 }
 
 const Editor: React.FC<Props> = ({
@@ -42,7 +40,6 @@ const Editor: React.FC<Props> = ({
       studioEndpointUrl,
     },
   });
-  const { fullScreen } = useEditorContext();
 
   const EditorComponent = supportedEditors[blockType];
 
@@ -60,24 +57,7 @@ const Editor: React.FC<Props> = ({
     );
   }
 
-  const innerEditor = <EditorComponent {...{ onClose, returnFunction }} />;
-
-  if (fullScreen) {
-    return (
-      <div
-        className="d-flex flex-column"
-      >
-        <div
-          className="pgn__modal-fullscreen h-100"
-          role="dialog"
-          aria-label={blockType}
-        >
-          {innerEditor}
-        </div>
-      </div>
-    );
-  }
-  return innerEditor;
+  return <EditorComponent {...{ onClose, returnFunction }} />;
 };
 
 export default Editor;

src/editors/EditorContext.tsx

@@ -7,14 +7,6 @@ import React from 'react';
  */
 export interface EditorContext {
   learningContextId: string;
-  /**
-   * When editing components in the libraries part of the Authoring MFE, we show
-   * the editors in a modal (fullScreen = false). This is the preferred approach
-   * so that authors can see context behind the modal.
-   * However, when making edits from the legacy course view, we display the
-   * editors in a fullscreen view. This approach is deprecated.
-   */
-  fullScreen: boolean;
 }
 
 const context = React.createContext<EditorContext | undefined>(undefined);
@@ -32,7 +24,6 @@ export function useEditorContext() {
 export const EditorContextProvider: React.FC<{
   children: React.ReactNode,
   learningContextId: string;
-  fullScreen: boolean;
 }> = ({ children, ...contextData }) => {
   const ctx: EditorContext = React.useMemo(() => ({ ...contextData }), []);
   return <context.Provider value={ctx}>{children}</context.Provider>;

src/editors/EditorPage.test.tsx

@@ -37,7 +37,6 @@ const defaultPropsHtml = {
   lmsEndpointUrl: 'http://lms.test.none/',
   studioEndpointUrl: 'http://cms.test.none/',
   onClose: jest.fn(),
-  fullScreen: false,
 };
 const fieldsHtml = {
   displayName: 'Introduction to Testing',
@@ -66,22 +65,6 @@ describe('EditorPage', () => {
     expect(modalElement.classList).not.toContain('pgn__modal-fullscreen');
   });
 
-  test('it can display the Text (html) editor as a full page (when coming from the legacy UI)', async () => {
-    jest.spyOn(editorCmsApi, 'fetchBlockById').mockImplementationOnce(async () => (
-      { status: 200, data: snakeCaseObject(fieldsHtml) }
-    ));
-
-    render(<EditorPage {...defaultPropsHtml} fullScreen />);
-
-    // Then the editor should open
-    expect(await screen.findByRole('heading', { name: /Introduction to Testing/ })).toBeInTheDocument();
-
-    const modalElement = screen.getByRole('dialog');
-    expect(modalElement.classList).toContain('pgn__modal-fullscreen');
-    expect(modalElement.classList).not.toContain('pgn__modal');
-    expect(modalElement.classList).not.toContain('pgn__modal-xl');
-  });
-
   test('it shows the Advanced Editor if there is no corresponding editor', async () => {
     jest.spyOn(editorCmsApi, 'fetchBlockById').mockImplementationOnce(async () => ( // eslint-disable-next-line
       { status: 200, data: { display_name: 'Fake Un-editable Block', category: 'fake', metadata: {}, data: '' } }

src/editors/EditorPage.tsx

@@ -14,7 +14,6 @@ interface Props extends EditorComponent {
   isMarkdownEditorEnabledForCourse?: boolean;
   lmsEndpointUrl?: string;
   studioEndpointUrl?: string;
-  fullScreen?: boolean;
   children?: never;
 }
 
@@ -31,7 +30,6 @@ const EditorPage: React.FC<Props> = ({
   studioEndpointUrl = null,
   onClose = null,
   returnFunction = null,
-  fullScreen = true,
 }) => (
   <Provider store={store}>
     <ErrorBoundary
@@ -40,7 +38,7 @@ const EditorPage: React.FC<Props> = ({
         studioEndpointUrl,
       }}
     >
-      <EditorContextProvider fullScreen={fullScreen} learningContextId={courseId}>
+      <EditorContextProvider learningContextId={courseId}>
         <Editor
           {...{
             onClose,

src/editors/VideoSelector.jsx

@@ -9,6 +9,8 @@ const VideoSelector = ({
   learningContextId,
   lmsEndpointUrl,
   studioEndpointUrl,
+  returnFunction,
+  onCancel,
 }) => {
   const dispatch = useDispatch();
   const loading = hooks.useInitializeApp({
@@ -26,7 +28,7 @@ const VideoSelector = ({
     return null;
   }
   return (
-    <VideoGallery />
+    <VideoGallery returnFunction={returnFunction} onCancel={onCancel} />
   );
 };
 
@@ -35,6 +37,8 @@ VideoSelector.propTypes = {
   learningContextId: PropTypes.string.isRequired,
   lmsEndpointUrl: PropTypes.string.isRequired,
   studioEndpointUrl: PropTypes.string.isRequired,
+  returnFunction: PropTypes.func,
+  onCancel: PropTypes.func,
 };
 
 export default VideoSelector;

src/editors/VideoSelectorPage.jsx

@@ -10,6 +10,8 @@ const VideoSelectorPage = ({
   courseId,
   lmsEndpointUrl,
   studioEndpointUrl,
+  returnFunction,
+  onCancel,
 }) => (
   <Provider store={store}>
     <ErrorBoundary
@@ -24,6 +26,8 @@ const VideoSelectorPage = ({
           learningContextId: courseId,
           lmsEndpointUrl,
           studioEndpointUrl,
+          returnFunction,
+          onCancel,
         }}
       />
     </ErrorBoundary>
@@ -42,6 +46,8 @@ VideoSelectorPage.propTypes = {
   courseId: PropTypes.string,
   lmsEndpointUrl: PropTypes.string,
   studioEndpointUrl: PropTypes.string,
+  returnFunction: PropTypes.func,
+  onCancel: PropTypes.func,
 };
 
 export default VideoSelectorPage;

src/editors/containers/EditorContainer/index.test.tsx

@@ -32,7 +32,6 @@ const defaultPropsHtml = {
   lmsEndpointUrl: 'http://lms.test.none/',
   studioEndpointUrl: 'http://cms.test.none/',
   onClose: jest.fn(),
-  fullScreen: false,
 };
 const fieldsHtml = {
   displayName: 'Introduction to Testing',

src/editors/containers/EditorContainer/index.tsx

@@ -14,7 +14,6 @@ import { Close } from '@openedx/paragon/icons';
 import { useIntl, FormattedMessage } from '@edx/frontend-platform/i18n';
 
 import { EditorComponent } from '../../EditorComponent';
-import { useEditorContext } from '../../EditorContext';
 import TitleHeader from './components/TitleHeader';
 import * as hooks from './hooks';
 import messages from './messages';
@@ -30,37 +29,18 @@ interface WrapperProps {
 }
 
 export const EditorModalWrapper: React.FC<WrapperProps & { onClose: () => void }> = ({ children, onClose }) => {
-  const { fullScreen } = useEditorContext();
   const intl = useIntl();
-  if (fullScreen) {
-    return (
-      <div
-        className="editor-container d-flex flex-column position-relative zindex-0"
-        style={{ minHeight: '100%' }}
-      >
-        {children}
-      </div>
-    );
-  }
+
   const title = intl.formatMessage(messages.modalTitle);
   return (
     <ModalDialog isOpen size="xl" isOverflowVisible={false} onClose={onClose} title={title}>{children}</ModalDialog>
   );
 };
 
-export const EditorModalBody: React.FC<WrapperProps> = ({ children }) => {
-  const { fullScreen } = useEditorContext();
-  return <ModalDialog.Body className={fullScreen ? 'pb-6' : 'pb-0'}>{ children }</ModalDialog.Body>;
-};
+export const EditorModalBody: React.FC<WrapperProps> = ({ children }) => <ModalDialog.Body className="pb-0">{ children }</ModalDialog.Body>;
 
-export const FooterWrapper: React.FC<WrapperProps> = ({ children }) => {
-  const { fullScreen } = useEditorContext();
-  if (fullScreen) {
-    return <div className="editor-footer fixed-bottom">{children}</div>;
-  }
-  // eslint-disable-next-line react/jsx-no-useless-fragment
-  return <>{ children }</>;
-};
+// eslint-disable-next-line react/jsx-no-useless-fragment
+export const FooterWrapper: React.FC<WrapperProps> = ({ children }) => <>{ children }</>;
 
 interface Props extends EditorComponent {
   children: React.ReactNode;

src/editors/containers/ProblemEditor/components/SelectTypeModal/index.test.tsx

@@ -20,7 +20,7 @@ describe('SelectTypeModal', () => {
     jest.spyOn(hooks, 'onSelect').mockImplementation(mockSelect);
     // This is a new-style test, unlike most of the old snapshot-based editor tests.
     render(
-      <EditorContextProvider fullScreen={false} learningContextId="course-v1:Org+COURSE+RUN">
+      <EditorContextProvider learningContextId="course-v1:Org+COURSE+RUN">
         <Provider store={editorStore}>
           <SelectTypeModal onClose={mockClose} />
         </Provider>

src/editors/containers/TextEditor/__snapshots__/index.test.jsx.snap

@@ -50,13 +50,13 @@ exports[`TextEditor snapshots block failed to load, Toast is shown 1`] = `
       }
       editorType="text"
       enableImageUpload={true}
-      height="100%"
       id={null}
       images={{}}
       initializeEditor={[MockFunction args.intializeEditor]}
       isLibrary={null}
       learningContextId="course+org+run"
       lmsEndpointUrl=""
+      maxHeight={500}
       minHeight={500}
       onChange={[Function]}
       setEditorRef={[MockFunction hooks.prepareEditorRef.setEditorRef]}
@@ -226,13 +226,13 @@ exports[`TextEditor snapshots renders as expected with default behavior 1`] = `
       }
       editorType="text"
       enableImageUpload={true}
-      height="100%"
       id={null}
       images={{}}
       initializeEditor={[MockFunction args.intializeEditor]}
       isLibrary={null}
       learningContextId="course+org+run"
       lmsEndpointUrl=""
+      maxHeight={500}
       minHeight={500}
       onChange={[Function]}
       setEditorRef={[MockFunction hooks.prepareEditorRef.setEditorRef]}
@@ -292,13 +292,13 @@ exports[`TextEditor snapshots renders static images with relative paths 1`] = `
       }
       editorType="text"
       enableImageUpload={true}
-      height="100%"
       id={null}
       images={{}}
       initializeEditor={[MockFunction args.intializeEditor]}
       isLibrary={null}
       learningContextId="course+org+run"
       lmsEndpointUrl=""
+      maxHeight={500}
       minHeight={500}
       onChange={[Function]}
       setEditorRef={[MockFunction hooks.prepareEditorRef.setEditorRef]}

src/editors/containers/TextEditor/index.jsx

@@ -65,7 +65,7 @@ const TextEditor = ({
         editorContentHtml={editorContent}
         setEditorRef={setEditorRef}
         minHeight={500}
-        height="100%"
+        maxHeight={500}
         initializeEditor={initializeEditor}
         {...{
           images,

src/editors/containers/VideoEditor/__snapshots__/index.test.tsx.snap

@@ -18,6 +18,7 @@ exports[`VideoEditor snapshots renders as expected with default behavior 1`] = `
             "useSelector": [MockFunction],
           }
         }
+        onClose={[MockFunction props.onClose]}
       />
     </div>
   </EditorContainer>

src/editors/containers/VideoEditor/components/VideoEditorModal.tsx

@@ -7,7 +7,9 @@ import VideoSettingsModal from './VideoSettingsModal';
 import { RequestKeys } from '../../../data/constants/requests';
 
 interface Props {
+  onReturn?: (() => void);
   isLibrary: boolean;
+  onClose?: (() => void) | null;
 }
 
 export const {
@@ -27,13 +29,15 @@ export const hooks = {
 
 const VideoEditorModal: React.FC<Props> = ({
   isLibrary,
+  onClose,
+  onReturn,
 }) => {
   const dispatch = useDispatch();
   const location = useLocation();
   const searchParams = new URLSearchParams(location.search);
   const selectedVideoId = searchParams.get('selectedVideoId');
   const selectedVideoUrl = searchParams.get('selectedVideoUrl');
-  const onReturn = hooks.useReturnToGallery();
+  const onSettingsReturn = onReturn || hooks.useReturnToGallery();
   const isLoaded = useSelector(
     (state) => selectors.requests.isFinished(state, { requestKey: RequestKeys.fetchVideos }),
   );
@@ -44,8 +48,9 @@ const VideoEditorModal: React.FC<Props> = ({
 
   return (
     <VideoSettingsModal {...{
-      onReturn,
+      onReturn: onSettingsReturn,
       isLibrary,
+      onClose,
     }}
     />
   );

src/editors/containers/VideoEditor/components/VideoSettingsModal/index.tsx

@@ -20,11 +20,13 @@ import messages from '../../messages';
 interface Props {
   onReturn: () => void;
   isLibrary: boolean;
+  onClose?: (() => void) | null;
 }
 
 const VideoSettingsModal: React.FC<Props> = ({
   onReturn,
   isLibrary,
+  onClose,
 }) => (
   <>
     {!isLibrary && (
@@ -32,7 +34,7 @@ const VideoSettingsModal: React.FC<Props> = ({
         variant="link"
         className="text-primary-500"
         size="sm"
-        onClick={onReturn}
+        onClick={onClose || onReturn}
         style={{
           textDecoration: 'none',
           marginLeft: '3px',

src/editors/containers/VideoEditor/index.tsx

@@ -39,7 +39,7 @@ const VideoEditor: React.FC<EditorComponent> = ({
       >
         {(isCreateWorkflow || studioViewFinished) ? (
           <div className="video-editor">
-            <VideoEditorModal {...{ isLibrary }} />
+            <VideoEditorModal {...{ isLibrary, onClose, returnFunction }} />
           </div>
         ) : (
           <div style={{

src/editors/containers/VideoGallery/hooks.js

@@ -86,6 +86,7 @@ export const filterList = ({
 export const useVideoListProps = ({
   searchSortProps,
   videos,
+  returnFunction,
 }) => {
   const [highlighted, setHighlighted] = React.useState(null);
   const [
@@ -128,7 +129,10 @@ export const useVideoListProps = ({
     },
     selectBtnProps: {
       onClick: () => {
-        if (highlighted) {
+        /* istanbul ignore next */
+        if (returnFunction) {
+          returnFunction()();
+        } else if (highlighted) {
           navigateTo(`/course/${learningContextId}/editor/video/${blockId}?selectedVideoId=${highlighted}`);
         } else {
           setShowSelectVideoError(true);
@@ -138,10 +142,15 @@ export const useVideoListProps = ({
   };
 };
 
-export const useVideoUploadHandler = ({ replace }) => {
+export const useVideoUploadHandler = ({ replace, uploadHandler }) => {
   const learningContextId = useSelector(selectors.app.learningContextId);
   const blockId = useSelector(selectors.app.blockId);
   const path = `/course/${learningContextId}/editor/video_upload/${blockId}`;
+  if (uploadHandler) {
+    return () => {
+      uploadHandler();
+    };
+  }
   if (replace) {
     return () => window.location.replace(path);
   }
@@ -191,11 +200,12 @@ export const getstatusBadgeVariant = ({ status }) => {
 
 export const getStatusMessage = ({ status }) => Object.values(filterMessages).find((m) => m.defaultMessage === status);
 
-export const useVideoProps = ({ videos }) => {
+export const useVideoProps = ({ videos, uploadHandler, returnFunction }) => {
   const searchSortProps = useSearchAndSortProps();
   const videoList = useVideoListProps({
     searchSortProps,
     videos,
+    returnFunction,
   });
   const {
     galleryError,
@@ -203,7 +213,7 @@ export const useVideoProps = ({ videos }) => {
     inputError,
     selectBtnProps,
   } = videoList;
-  const fileInput = { click: useVideoUploadHandler({ replace: false }) };
+  const fileInput = { click: useVideoUploadHandler({ replace: false, uploadHandler }) };
 
   return {
     galleryError,

src/editors/containers/VideoGallery/index.jsx

@@ -1,5 +1,10 @@
-import React, { useEffect } from 'react';
-import { Image } from '@openedx/paragon';
+import React, { useCallback, useEffect } from 'react';
+import PropTypes from 'prop-types';
+import { useIntl } from '@edx/frontend-platform/i18n';
+import {
+  Image, useToggle, StandardModal,
+} from '@openedx/paragon';
+import { useSearchParams } from 'react-router-dom';
 import { useSelector } from 'react-redux';
 import { selectors } from '../../data/redux';
 import * as hooks from './hooks';
@@ -8,8 +13,11 @@ import { acceptedImgKeys } from './utils';
 import messages from './messages';
 import { RequestKeys } from '../../data/constants/requests';
 import videoThumbnail from '../../data/images/videoThumbnail.svg';
+import VideoUploadEditor from '../VideoUploadEditor';
+import VideoEditor from '../VideoEditor';
 
-const VideoGallery = () => {
+const VideoGallery = ({ returnFunction, onCancel }) => {
+  const intl = useIntl();
   const rawVideos = useSelector(selectors.app.videos);
   const isLoaded = useSelector(
     (state) => selectors.requests.isFinished(state, { requestKey: RequestKeys.fetchVideos }),
@@ -21,14 +29,27 @@ const VideoGallery = () => {
     (state) => selectors.requests.isFailed(state, { requestKey: RequestKeys.uploadVideo }),
   );
   const videos = hooks.buildVideos({ rawVideos });
-  const handleVideoUpload = hooks.useVideoUploadHandler({ replace: true });
+  const [isVideoUploadModalOpen, showVideoUploadModal, closeVideoUploadModal] = useToggle();
+  const [isVideoEditorModalOpen, showVideoEditorModal, closeVideoEditorModal] = useToggle();
+  const setSearchParams = useSearchParams()[1];
 
   useEffect(() => {
-    // If no videos exists redirects to the video upload screen
+    // If no videos exists opens to the video upload modal
     if (isLoaded && videos.length === 0) {
-      handleVideoUpload();
+      showVideoUploadModal();
     }
   }, [isLoaded]);
+
+  const onVideoUpload = useCallback((videoUrl) => {
+    closeVideoUploadModal();
+    showVideoEditorModal();
+    setSearchParams({ selectedVideoUrl: videoUrl });
+  }, [closeVideoUploadModal, showVideoEditorModal, setSearchParams]);
+
+  const uploadHandler = useCallback(() => {
+    showVideoUploadModal();
+  });
+
   const {
     galleryError,
     inputError,
@@ -36,7 +57,7 @@ const VideoGallery = () => {
     galleryProps,
     searchSortProps,
     selectBtnProps,
-  } = hooks.useVideoProps({ videos });
+  } = hooks.useVideoProps({ videos, uploadHandler, returnFunction });
   const handleCancel = hooks.useCancelHandler();
 
   const modalMessages = {
@@ -60,8 +81,8 @@ const VideoGallery = () => {
       <SelectionModal
         {...{
           isOpen: true,
-          close: handleCancel,
-          size: 'fullscreen',
+          close: onCancel || handleCancel,
+          size: 'xl',
           isFullscreenScroll: false,
           galleryError,
           inputError,
@@ -79,10 +100,34 @@ const VideoGallery = () => {
           isFetchError,
         }}
       />
+      <StandardModal
+        title={intl.formatMessage(messages.videoUploadModalTitle)}
+        isOpen={isVideoUploadModalOpen}
+        onClose={closeVideoUploadModal}
+        isOverflowVisible={false}
+        size="xl"
+        hasCloseButton={false}
+      >
+        <div className="editor-page">
+          <VideoUploadEditor
+            onUpload={onVideoUpload}
+            onClose={closeVideoUploadModal}
+          />
+        </div>
+      </StandardModal>
+      {isVideoEditorModalOpen && (
+        <VideoEditor
+          onClose={closeVideoEditorModal}
+          returnFunction={returnFunction}
+        />
+      )}
     </div>
   );
 };
 
-VideoGallery.propTypes = {};
+VideoGallery.propTypes = {
+  onCancel: PropTypes.func,
+  returnFunction: PropTypes.func,
+};
 
 export default VideoGallery;

src/editors/containers/VideoGallery/index.test.jsx

@@ -6,6 +6,8 @@ import React from 'react';
 import {
   act, fireEvent, render, screen,
 } from '@testing-library/react';
+import * as reactRouterDom from 'react-router-dom';
+import * as reduxThunks from '../../data/redux';
 
 import VideoGallery from './index';
 
@@ -120,11 +122,10 @@ describe('VideoGallery', () => {
         expect(screen.getByText(video.client_video_id)).toBeInTheDocument()
       ));
     });
-    it('navigates to video upload page when there are no videos', async () => {
-      expect(window.location.replace).not.toHaveBeenCalled();
+    it('renders video upload modal when there are no videos', async () => {
       updateState({ videos: [] });
       await renderComponent();
-      expect(window.location.replace).toHaveBeenCalled();
+      expect(screen.getByRole('heading', { name: /upload or embed a new video/i })).toBeInTheDocument();
     });
     it.each([
       [/newest/i, [2, 1, 3]],
@@ -191,5 +192,36 @@ describe('VideoGallery', () => {
       expect(screen.queryByText('client_id_1')).not.toBeInTheDocument();
       expect(screen.queryByText('client_id_3')).not.toBeInTheDocument();
     });
+
+    it('calls onVideoUpload correctly when a video is uploaded', async () => {
+      // Mock useSearchParams
+      const setSearchParams = jest.fn();
+      jest.spyOn(reactRouterDom, 'useSearchParams').mockReturnValue([{}, setSearchParams]);
+
+      // Mock the uploadVideo thunk to immediately call postUploadRedirect
+      jest.spyOn(reduxThunks.thunkActions.video, 'uploadVideo').mockImplementation(
+        ({ postUploadRedirect }) => () => {
+          if (postUploadRedirect) {
+            postUploadRedirect('http://test.video/url.mp4');
+          }
+          return { type: 'MOCK_UPLOAD_VIDEO' };
+        },
+      );
+
+      await renderComponent();
+
+      // Open the upload modal by clicking the button
+      const openModalButton = screen.getByRole('button', { name: /upload or embed a new video/i });
+      fireEvent.click(openModalButton);
+
+      // Wait for the input to appear in the modal
+      const urlInput = await screen.findByPlaceholderText('Paste your video ID or URL');
+      fireEvent.change(urlInput, { target: { value: 'http://test.video/url.mp4' } });
+
+      const submitButton = screen.getByRole('button', { name: /submit/i });
+      fireEvent.click(submitButton);
+
+      expect(setSearchParams).toHaveBeenCalledWith({ selectedVideoUrl: 'http://test.video/url.mp4' });
+    });
   });
 });

src/editors/containers/VideoGallery/messages.js

@@ -21,7 +21,16 @@ const messages = {
     defaultMessage: 'Upload or embed a new video',
     description: 'Label for upload button',
   },
-
+  videoUploadModalTitle: {
+    id: 'authoring.selectvideomodal.upload.title',
+    defaultMessage: 'Upload or embed a new video',
+    description: 'Label for upload modal',
+  },
+  videoEditorModalTitle: {
+    id: 'authoring.selectvideomodal.edit.title',
+    defaultMessage: 'Edit selected video',
+    description: 'Label for editor modal',
+  },
   // Sort Dropdown
   sortByDateNewest: {
     id: 'authoring.selectvideomodal.sort.datenewest.label',

src/editors/containers/VideoUploadEditor/VideoUploader.jsx

@@ -10,9 +10,9 @@ import { thunkActions } from '../../data/redux';
 import * as hooks from './hooks';
 import messages from './messages';
 
-const URLUploader = () => {
+const URLUploader = ({ onUpload }) => {
   const [textInputValue, setTextInputValue] = React.useState('');
-  const onURLUpload = hooks.onVideoUpload('selectedVideoUrl');
+  const onURLUpload = hooks.onVideoUpload('selectedVideoUrl', onUpload);
   const intl = useIntl();
   return (
     <div className="d-flex flex-column">
@@ -58,16 +58,16 @@ const URLUploader = () => {
   );
 };
 
-export const VideoUploader = ({ setLoading }) => {
+export const VideoUploader = ({ setLoading, onUpload, onClose }) => {
   const dispatch = useDispatch();
   const intl = useIntl();
-  const goBack = hooks.useHistoryGoBack();
+  const goBack = onClose || hooks.useHistoryGoBack();
 
   const handleProcessUpload = ({ fileData }) => {
     dispatch(thunkActions.video.uploadVideo({
       supportedFiles: [fileData],
       setLoadSpinner: setLoading,
-      postUploadRedirect: hooks.onVideoUpload('selectedVideoId'),
+      postUploadRedirect: hooks.onVideoUpload('selectedVideoId', onUpload),
     }));
   };
 
@@ -85,14 +85,20 @@ export const VideoUploader = ({ setLoading }) => {
       <Dropzone
         accept={{ 'video/*': ['.mp4', '.mov'] }}
         onProcessUpload={handleProcessUpload}
-        inputComponent={<URLUploader />}
+        inputComponent={<URLUploader onUpload={onUpload} />}
       />
     </div>
   );
 };
 
+URLUploader.propTypes = {
+  onUpload: PropTypes.func,
+};
+
 VideoUploader.propTypes = {
   setLoading: PropTypes.func.isRequired,
+  onUpload: PropTypes.func,
+  onClose: PropTypes.func,
 };
 
 export default VideoUploader;

src/editors/containers/VideoUploadEditor/hooks.js

@@ -11,15 +11,20 @@ export const {
   navigateTo,
 } = appHooks;
 
-export const postUploadRedirect = (storeState, uploadType = 'selectedVideoUrl') => {
+export const postUploadRedirect = (storeState, uploadType = 'selectedVideoUrl', onUpload = null) => {
   const learningContextId = selectors.app.learningContextId(storeState);
   const blockId = selectors.app.blockId(storeState);
+  if (onUpload) {
+    return (videoUrl) => {
+      onUpload(videoUrl, learningContextId, blockId);
+    };
+  }
   return (videoUrl) => navigateTo(`/course/${learningContextId}/editor/video/${blockId}?${uploadType}=${videoUrl}`);
 };
 
-export const onVideoUpload = (uploadType) => {
+export const onVideoUpload = (uploadType, onUpload) => {
   const storeState = store.getState();
-  return module.postUploadRedirect(storeState, uploadType);
+  return module.postUploadRedirect(storeState, uploadType, onUpload);
 };
 
 export const useUploadVideo = async ({

src/editors/containers/VideoUploadEditor/index.jsx

@@ -1,17 +1,18 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import { useIntl } from '@edx/frontend-platform/i18n';
 import { Spinner } from '@openedx/paragon';
 import './index.scss';
 import messages from './messages';
 import { VideoUploader } from './VideoUploader';
 
-const VideoUploadEditor = () => {
+const VideoUploadEditor = ({ onUpload, onClose }) => {
   const [loading, setLoading] = React.useState(false);
   const intl = useIntl();
 
   return (!loading) ? (
     <div className="d-flex marked-area flex-column p-3">
-      <VideoUploader setLoading={setLoading} />
+      <VideoUploader onUpload={onUpload} onClose={onClose} setLoading={setLoading} />
     </div>
   ) : (
     <div style={{
@@ -30,4 +31,9 @@ const VideoUploadEditor = () => {
   );
 };
 
+VideoUploadEditor.propTypes = {
+  onUpload: PropTypes.func,
+  onClose: PropTypes.func,
+};
+
 export default VideoUploadEditor;

src/editors/data/redux/thunkActions/app.js

@@ -125,6 +125,16 @@ export const saveBlock = (content, returnToUnit) => (dispatch) => {
     content,
     onSuccess: (response) => {
       dispatch(actions.app.setSaveResponse(response));
+      const parsedData = JSON.parse(response.config.data);
+      if (parsedData?.has_changes || !('has_changes' in parsedData)) {
+        const storageKey = 'courseRefreshTriggerOnComponentEditSave';
+        sessionStorage.setItem(storageKey, Date.now());
+
+        window.dispatchEvent(new StorageEvent('storage', {
+          key: storageKey,
+          newValue: Date.now().toString(),
+        }));
+      }
       returnToUnit(response.data);
     },
   }));

src/editors/data/redux/thunkActions/app.test.js

@@ -352,7 +352,11 @@ describe('app thunkActions', () => {
     });
     it('dispatches actions.app.setSaveResponse with response and then calls returnToUnit', () => {
       dispatch.mockClear();
-      const response = 'testRESPONSE';
+      const mockParsedData = { has_changes: true };
+      const response = {
+        config: { data: JSON.stringify(mockParsedData) },
+        data: {},
+      };
       calls[1][0].saveBlock.onSuccess(response);
       expect(dispatch).toHaveBeenCalledWith(actions.app.setSaveResponse(response));
       expect(returnToUnit).toHaveBeenCalled();

src/editors/data/redux/thunkActions/problem.test.ts

@@ -10,7 +10,6 @@ import {
 } from './problem';
 import { checkboxesOLXWithFeedbackAndHintsOLX, advancedProblemOlX, blankProblemOLX } from '../../../containers/ProblemEditor/data/mockData/olxTestData';
 import { ProblemTypeKeys } from '../../constants/problem';
-import * as requests from './requests';
 
 const mockOlx = 'SOmEVALue';
 const mockBuildOlx = jest.fn(() => mockOlx);
@@ -72,22 +71,13 @@ describe('problem thunkActions', () => {
     );
   });
   test('switchToMarkdownEditor dispatches correct actions', () => {
-    switchToMarkdownEditor()(dispatch, getState);
+    switchToMarkdownEditor()(dispatch);
 
     expect(dispatch).toHaveBeenCalledWith(
       actions.problem.updateField({
         isMarkdownEditorEnabled: true,
       }),
     );
-
-    expect(dispatch).toHaveBeenCalledWith(
-      requests.saveBlock({
-        content: {
-          settings: { markdown_edited: true },
-          olx: blockValue.data.data,
-        },
-      }),
-    );
   });
 
   describe('switchEditor', () => {
@@ -110,7 +100,7 @@ describe('problem thunkActions', () => {
 
     test('dispatches switchToMarkdownEditor when editorType is markdown', () => {
       switchEditor('markdown')(dispatch, getState);
-      expect(switchToMarkdownEditorMock).toHaveBeenCalledWith(dispatch, getState);
+      expect(switchToMarkdownEditorMock).toHaveBeenCalledWith(dispatch);
     });
   });
 

src/editors/data/redux/thunkActions/problem.ts

@@ -24,17 +24,17 @@ export const switchToAdvancedEditor = () => (dispatch, getState) => {
   dispatch(actions.problem.updateField({ problemType: ProblemTypeKeys.ADVANCED, rawOLX }));
 };
 
-export const switchToMarkdownEditor = () => (dispatch, getState) => {
-  const state = getState();
+export const switchToMarkdownEditor = () => (dispatch) => {
   dispatch(actions.problem.updateField({ isMarkdownEditorEnabled: true }));
-  const { blockValue } = state.app;
-  const olx = get(blockValue, 'data.data', '');
-  const content = { settings: { markdown_edited: true }, olx };
-  // Sending a request to save the problem block with the updated markdown_edited value
-  dispatch(requests.saveBlock({ content }));
 };
 
-export const switchEditor = (editorType) => (dispatch, getState) => (editorType === 'advanced' ? switchToAdvancedEditor : switchToMarkdownEditor)()(dispatch, getState);
+export const switchEditor = (editorType) => (dispatch, getState) => {
+  if (editorType === 'advanced') {
+    switchToAdvancedEditor()(dispatch, getState);
+  } else {
+    switchToMarkdownEditor()(dispatch);
+  }
+};
 
 export const isBlankProblem = ({ rawOLX }) => {
   if (['<problem></problem>', '<problem/>'].includes(rawOLX.replace(/\s/g, ''))) {

src/editors/sharedComponents/CodeEditor/hooks.js

@@ -100,7 +100,7 @@ export const createCodeMirrorDomNode = ({
 }) => {
   // eslint-disable-next-line react-hooks/rules-of-hooks
   useEffect(() => {
-    const languageExtension = CODEMIRROR_LANGUAGES[lang]();
+    const languageExtension = CODEMIRROR_LANGUAGES[lang] ? CODEMIRROR_LANGUAGES[lang]() : xml();
     const cleanText = cleanHTML({ initialText });
     const newState = EditorState.create({
       doc: cleanText,

src/editors/sharedComponents/SourceCodeModal/__snapshots__/index.test.jsx.snap

@@ -41,6 +41,7 @@ exports[`SourceCodeModal renders as expected with default behavior 1`] = `
   >
     <injectIntl(ShimmedIntlComponent)
       innerRef="moCKrEf"
+      lang="html"
       value="mOckHtMl"
     />
   </div>

src/editors/sharedComponents/SourceCodeModal/index.jsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import PropTypes from 'prop-types';
 
 import {
@@ -41,6 +40,7 @@ const SourceCodeModal = ({
         <CodeEditor
           innerRef={ref}
           value={value}
+          lang="html" // hardcoded value to do lookup on CODEMIRROR_LANGUAGES
         />
       </div>
     </BaseModal>

src/editors/sharedComponents/TinyMceWidget/hooks.js

@@ -304,6 +304,7 @@ export const editorConfig = ({
   updateContent,
   content,
   minHeight,
+  maxHeight,
   learningContextId,
   staticRootUrl,
   enableImageUpload,
@@ -335,6 +336,7 @@ export const editorConfig = ({
       content_css: false,
       content_style: tinyMCEStyles + a11ycheckerCss,
       min_height: minHeight,
+      max_height: maxHeight,
       contextmenu: 'link table',
       directionality: isLocaleRtl ? 'rtl' : 'ltr',
       document_base_url: baseURL,

src/files-and-videos/files-page/FilesPage.jsx

@@ -32,6 +32,7 @@ import { getFileSizeToClosestByte } from '../../utils';
 import FileThumbnail from './FileThumbnail';
 import FileInfoModalSidebar from './FileInfoModalSidebar';
 import FileValidationModal from './FileValidationModal';
+import './FilesPage.scss';
 
 const FilesPage = ({
   courseId,

src/files-and-videos/files-page/FilesPage.scss

@@ -0,0 +1,5 @@
+.files-table {
+    .pgn__data-table-container {
+        overflow-x: visible;
+    }
+}

src/files-and-videos/files-page/FilesPage.test.jsx

@@ -70,15 +70,6 @@ const mockStore = async (
   }
   renderComponent();
   await executeThunk(fetchAssets(courseId), store.dispatch);
-
-  // Finish loading the expected files into the data table before returning,
-  // because loading new files can disrupt things like accessing file menus.
-  if (status === RequestStatus.SUCCESSFUL) {
-    const numFiles = skipNextPageFetch ? 13 : 15;
-    await waitFor(() => {
-      expect(screen.getByText(`Showing ${numFiles} of ${numFiles}`)).toBeInTheDocument();
-    });
-  }
 };
 
 const emptyMockStore = async (status) => {

src/files-and-videos/files-page/data/slice.js

@@ -28,7 +28,7 @@ const slice = createSlice({
       if (isEmpty(state.assetIds)) {
         state.assetIds = payload.assetIds;
       } else {
-        state.assetIds = [...state.assetIds, ...payload.assetIds];
+        state.assetIds = [...new Set([...state.assetIds, ...payload.assetIds])];
       }
     },
     setSortedAssetIds: (state, { payload }) => {

src/files-and-videos/generic/DeleteConfirmationModal.jsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useContext } from 'react';
 import PropTypes from 'prop-types';
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { getConfig } from '@edx/frontend-platform';
@@ -7,6 +7,7 @@ import {
   AlertModal,
   Button,
   Collapsible,
+  DataTableContext,
   Hyperlink,
   Truncate,
 } from '@openedx/paragon';
@@ -22,6 +23,13 @@ const DeleteConfirmationModal = ({
   // injected
   intl,
 }) => {
+  const { clearSelection } = useContext(DataTableContext);
+
+  const handleConfirmDeletion = () => {
+    handleBulkDelete();
+    clearSelection();
+  };
+
   const firstSelectedRow = selectedRows[0]?.original;
   let activeContentRows = [];
   if (Array.isArray(selectedRows)) {
@@ -73,7 +81,7 @@ const DeleteConfirmationModal = ({
           <Button variant="tertiary" onClick={closeDeleteConfirmation}>
             {intl.formatMessage(messages.cancelButtonLabel)}
           </Button>
-          <Button onClick={handleBulkDelete}>
+          <Button onClick={handleConfirmDeletion}>
             {intl.formatMessage(messages.deleteFileButtonLabel)}
           </Button>
         </ActionRow>

src/files-and-videos/generic/FileTable.jsx

@@ -273,6 +273,16 @@ const FileTable = ({
           setSelectedRows={setSelectedRows}
           fileType={fileType}
         />
+
+        <DeleteConfirmationModal
+          {...{
+            isDeleteConfirmationOpen,
+            closeDeleteConfirmation,
+            handleBulkDelete,
+            selectedRows,
+            fileType,
+          }}
+        />
       </DataTable>
       <FileInput key="generic-file-upload" fileInput={fileInputControl} supportedFileFormats={supportedFileFormats} />
       {!isEmpty(selectedRows) && (
@@ -286,15 +296,7 @@ const FileTable = ({
           sidebar={infoModalSidebar}
         />
       )}
-      <DeleteConfirmationModal
-        {...{
-          isDeleteConfirmationOpen,
-          closeDeleteConfirmation,
-          handleBulkDelete,
-          selectedRows,
-          fileType,
-        }}
-      />
+
     </div>
   );
 };

src/files-and-videos/generic/table-components/TableActions.jsx

@@ -26,13 +26,18 @@ const TableActions = ({
   intl,
 }) => {
   const [isSortOpen, openSort, closeSort] = useToggle(false);
-  const { state } = useContext(DataTableContext);
+  const { state, clearSelection } = useContext(DataTableContext);
 
   // This useEffect saves DataTable state so it can persist after table re-renders due to data reload.
   useEffect(() => {
     setInitialState(state);
   }, [state]);
 
+  const handleOpenFileSelector = () => {
+    fileInputControl.click();
+    clearSelection();
+  };
+
   return (
     <>
       <Button variant="outline-primary" onClick={openSort} iconBefore={Tune}>
@@ -71,7 +76,7 @@ const TableActions = ({
           </Dropdown.Item>
         </Dropdown.Menu>
       </Dropdown>
-      <Button iconBefore={Add} onClick={fileInputControl.click}>
+      <Button iconBefore={Add} onClick={handleOpenFileSelector}>
         {intl.formatMessage(messages.addFilesButtonLabel, { fileType })}
       </Button>
       <SortAndFilterModal {...{ isSortOpen, closeSort, handleSort }} />

src/files-and-videos/generic/table-components/TableActions.test.jsx

@@ -0,0 +1,138 @@
+import React from 'react';
+import { screen, fireEvent } from '@testing-library/react';
+import { DataTableContext } from '@openedx/paragon';
+import { initializeMocks, render } from '../../../testUtils';
+import TableActions from './TableActions';
+import messages from '../messages';
+
+const defaultProps = {
+  selectedFlatRows: [],
+  fileInputControl: { click: jest.fn() },
+  handleOpenDeleteConfirmation: jest.fn(),
+  handleBulkDownload: jest.fn(),
+  encodingsDownloadUrl: null,
+  handleSort: jest.fn(),
+  fileType: 'video',
+  setInitialState: jest.fn(),
+  intl: {
+    formatMessage: (msg, values) => msg.defaultMessage.replace('{fileType}', values?.fileType ?? ''),
+  },
+};
+
+const mockColumns = [
+  {
+    id: 'wrapperType',
+    Header: 'Type',
+    accessor: 'wrapperType',
+    filter: 'includes',
+  },
+];
+
+const renderWithContext = (props = {}, contextOverrides = {}) => {
+  const contextValue = {
+    state: {
+      selectedRowIds: {},
+      filters: [],
+      ...contextOverrides.state,
+    },
+    clearSelection: jest.fn(),
+    gotoPage: jest.fn(),
+    setAllFilters: jest.fn(),
+    columns: mockColumns,
+    ...contextOverrides,
+  };
+
+  return render(
+    <DataTableContext.Provider value={contextValue}>
+      <TableActions {...defaultProps} {...props} />
+    </DataTableContext.Provider>,
+  );
+};
+
+describe('TableActions', () => {
+  beforeEach(() => {
+    initializeMocks();
+    jest.clearAllMocks();
+  });
+
+  test('renders buttons and dropdown', () => {
+    renderWithContext();
+
+    expect(screen.getByRole('button', { name: messages.sortButtonLabel.defaultMessage })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: messages.actionsButtonLabel.defaultMessage })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: messages.addFilesButtonLabel.defaultMessage.replace('{fileType}', 'video') })).toBeInTheDocument();
+  });
+
+  test('disables bulk and delete actions if no rows selected', () => {
+    renderWithContext();
+
+    fireEvent.click(screen.getByRole('button', { name: messages.actionsButtonLabel.defaultMessage }));
+
+    const downloadOption = screen.getByText(messages.downloadTitle.defaultMessage);
+    const deleteButton = screen.getByTestId('open-delete-confirmation-button');
+
+    expect(downloadOption).toHaveAttribute('aria-disabled', 'true');
+    expect(downloadOption).toHaveClass('disabled');
+
+    expect(deleteButton).toHaveAttribute('aria-disabled', 'true');
+    expect(deleteButton).toHaveClass('disabled');
+  });
+
+  test('enables bulk and delete actions when rows are selected', () => {
+    renderWithContext({
+      selectedFlatRows: [{ original: { id: '1', displayName: 'Video 1', wrapperType: 'video' } }],
+    });
+
+    fireEvent.click(screen.getByRole('button', { name: messages.actionsButtonLabel.defaultMessage }));
+    expect(screen.getByText(messages.downloadTitle.defaultMessage)).not.toBeDisabled();
+    expect(screen.getByTestId('open-delete-confirmation-button')).not.toBeDisabled();
+  });
+
+  test('calls file input click and clears selection when add button clicked', () => {
+    const mockClick = jest.fn();
+    const mockClear = jest.fn();
+
+    renderWithContext({ fileInputControl: { click: mockClick } }, {}, mockClear);
+    fireEvent.click(screen.getByRole('button', { name: messages.addFilesButtonLabel.defaultMessage.replace('{fileType}', 'video') }));
+    expect(mockClick).toHaveBeenCalled();
+  });
+
+  test('opens sort modal when sort button clicked', () => {
+    renderWithContext();
+    fireEvent.click(screen.getByRole('button', { name: messages.sortButtonLabel.defaultMessage }));
+    expect(screen.getByRole('dialog')).toBeInTheDocument();
+  });
+
+  test('calls handleBulkDownload when selected and clicked', () => {
+    const handleBulkDownload = jest.fn();
+    renderWithContext({
+      selectedFlatRows: [{ original: { id: '1', displayName: 'Video 1', wrapperType: 'video' } }],
+      handleBulkDownload,
+    });
+
+    fireEvent.click(screen.getByRole('button', { name: messages.actionsButtonLabel.defaultMessage }));
+    fireEvent.click(screen.getByText(messages.downloadTitle.defaultMessage));
+    expect(handleBulkDownload).toHaveBeenCalled();
+  });
+
+  test('calls handleOpenDeleteConfirmation when clicked', () => {
+    const handleOpenDeleteConfirmation = jest.fn();
+    const selectedFlatRows = [{ original: { id: '1', displayName: 'Video 1', wrapperType: 'video' } }];
+    renderWithContext({
+      selectedFlatRows,
+      handleOpenDeleteConfirmation,
+    });
+
+    fireEvent.click(screen.getByRole('button', { name: messages.actionsButtonLabel.defaultMessage }));
+    fireEvent.click(screen.getByTestId('open-delete-confirmation-button'));
+    expect(handleOpenDeleteConfirmation).toHaveBeenCalledWith(selectedFlatRows);
+  });
+
+  test('shows encoding download link when provided', () => {
+    const encodingsDownloadUrl = '/some/path/to/encoding.zip';
+    renderWithContext({ encodingsDownloadUrl });
+
+    fireEvent.click(screen.getByRole('button', { name: messages.actionsButtonLabel.defaultMessage }));
+    expect(screen.getByRole('link', { name: messages.downloadEncodingsTitle.defaultMessage })).toHaveAttribute('href', expect.stringContaining(encodingsDownloadUrl));
+  });
+});

src/files-and-videos/videos-page/VideoThumbnail.jsx

@@ -48,21 +48,30 @@ const VideoThumbnail = ({
   const isFailed = VIDEO_FAILURE_STATUSES.includes(status);
   const failedMessage = intl.formatMessage(messages.failedCheckboxLabel);
 
-  const showThumbnail = allowThumbnailUpload && thumbnail && isUploaded;
+  const showThumbnail = allowThumbnailUpload && isUploaded;
 
   return (
     <div className="video-thumbnail row justify-content-center align-itmes-center">
-      {allowThumbnailUpload && showThumbnail && <div className="thumbnail-overlay" />}
+      {allowThumbnailUpload && isUploaded && <div className="thumbnail-overlay" />}
       {showThumbnail && !thumbnailError && pageLoadStatus === RequestStatus.SUCCESSFUL ? (
         <>
           <div className="border rounded">
-            <Image
-              style={imageSize}
-              className="m-1 bg-light-300"
-              src={thumbnail}
-              alt={intl.formatMessage(messages.thumbnailAltMessage, { displayName })}
-              onError={() => setThumbnailError(true)}
-            />
+            { thumbnail ? (
+              <Image
+                style={imageSize}
+                className="m-1 bg-light-300"
+                src={thumbnail}
+                alt={intl.formatMessage(messages.thumbnailAltMessage, { displayName })}
+                onError={() => setThumbnailError(true)}
+              />
+            ) : (
+              <div
+                className="row justify-content-center align-items-center m-0"
+                style={imageSize}
+              >
+                <Icon src={VideoFile} style={{ height: '48px', width: '48px' }} />
+              </div>
+            )}
           </div>
           <div className="add-thumbnail" data-testid={`video-thumbnail-${id}`}>
             <Button

src/files-and-videos/videos-page/VideoThumbnail.test.jsx

@@ -0,0 +1,32 @@
+import React from 'react';
+import { render, fireEvent, screen } from '@testing-library/react';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
+import VideoThumbnail from './VideoThumbnail';
+import { VIDEO_SUCCESS_STATUSES } from './data/constants';
+import { RequestStatus } from '../../data/constants';
+
+it('shows fallback icon if thumbnail fails to load', () => {
+  const { container } = render(
+    <IntlProvider locale="en">
+      <VideoThumbnail
+        thumbnail="http://bad-url/image.png"
+        displayName="Test Video"
+        id="vid1"
+        imageSize={{ width: '100px', height: '100px' }}
+        handleAddThumbnail={jest.fn()}
+        videoImageSettings={{ videoImageUploadEnabled: true, supportedFileFormats: { jpg: 'image/jpg' } }}
+        status={VIDEO_SUCCESS_STATUSES[0]}
+        pageLoadStatus={RequestStatus.SUCCESSFUL}
+      />
+    </IntlProvider>,
+  );
+
+  const image = screen.getByRole('img', { name: /video thumbnail/i });
+  expect(image).toBeInTheDocument();
+  fireEvent.error(image);
+
+  expect(screen.queryByRole('img', { name: /video thumbnail/i })).toBeNull();
+
+  const fallbackSvg = container.querySelector('svg[role="img"]');
+  expect(fallbackSvg).toBeInTheDocument();
+});

src/generic/DraggableList/DraggableList.jsx

@@ -1,10 +1,9 @@
-import React, { useCallback } from 'react';
+import { useCallback } from 'react';
 import PropTypes from 'prop-types';
 import { createPortal } from 'react-dom';
 
 import {
   DndContext,
-  closestCenter,
   KeyboardSensor,
   PointerSensor,
   useSensor,
@@ -18,6 +17,7 @@ import {
   verticalListSortingStrategy,
 } from '@dnd-kit/sortable';
 import { restrictToVerticalAxis } from '@dnd-kit/modifiers';
+import { verticalSortableListCollisionDetection } from './verticalSortableList';
 
 const DraggableList = ({
   itemList,
@@ -56,13 +56,20 @@ const DraggableList = ({
     setActiveId?.(event.active.id);
   }, [setActiveId]);
 
+  const handleDragCancel = useCallback(() => {
+    setActiveId?.(null);
+  }, [setActiveId]);
+
   return (
     <DndContext
       sensors={sensors}
       modifiers={[restrictToVerticalAxis]}
-      collisionDetection={closestCenter}
+      collisionDetection={verticalSortableListCollisionDetection}
       onDragStart={handleDragStart}
+      // autoScroll does not play well with verticalSortableListCollisionDetection strategy
+      autoScroll={false}
       onDragEnd={handleDragEnd}
+      onDragCancel={handleDragCancel}
     >
       <SortableContext
         items={itemList}

src/generic/DraggableList/SortableItem.jsx

@@ -18,6 +18,7 @@ const SortableItem = ({
   isClickable,
   onClick,
   disabled,
+  cardClassName = '',
   // injected
   intl,
 }) => {
@@ -45,14 +46,15 @@ const SortableItem = ({
   };
 
   return (
+    /* eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions */
     <div
       ref={setNodeRef}
+      onClick={onClick}
     >
       <Card
         style={style}
-        className="mx-0"
+        className={`mx-0 ${cardClassName}`}
         isClickable={isClickable}
-        onClick={onClick}
       >
         <ActionRow style={actionStyle}>
           {actions}
@@ -93,6 +95,7 @@ SortableItem.propTypes = {
   isClickable: PropTypes.bool,
   onClick: PropTypes.func,
   disabled: PropTypes.bool,
+  cardClassName: PropTypes.string,
   // injected
   intl: intlShape.isRequired,
 };

src/generic/DraggableList/verticalSortableList.ts

@@ -0,0 +1,80 @@
+/* istanbul ignore file */
+/**
+This sorting strategy was copied over from https://github.com/clauderic/dnd-kit/pull/805
+to resolve issues with variable sized draggables.
+*/
+import { CollisionDetection, DroppableContainer } from '@dnd-kit/core';
+import { sortBy } from 'lodash';
+
+const collision = (dropppableContainer?: DroppableContainer) => ({
+  id: dropppableContainer?.id ?? '',
+  value: dropppableContainer,
+});
+
+// Look for the first (/ furthest up / highest) droppable container that is at least
+// 50% covered by the top edge of the dragging container.
+const highestDroppableContainerMajorityCovered: CollisionDetection = ({
+  droppableContainers,
+  collisionRect,
+}) => {
+  const ascendingDroppabaleContainers = sortBy(
+    droppableContainers,
+    (c) => c?.rect.current?.top,
+  );
+
+  for (const droppableContainer of ascendingDroppabaleContainers) {
+    const {
+      rect: { current: droppableRect },
+    } = droppableContainer;
+
+    if (droppableRect) {
+      const coveredPercentage = (droppableRect.top + droppableRect.height - collisionRect.top)
+        / droppableRect.height;
+
+      if (coveredPercentage > 0.5) {
+        return [collision(droppableContainer)];
+      }
+    }
+  }
+
+  // if we haven't found anything then we are off the top, so return the first item
+  return [collision(ascendingDroppabaleContainers[0])];
+};
+
+// Look for the last (/ furthest down / lowest) droppable container that is at least
+// 50% covered by the bottom edge of the dragging container.
+const lowestDroppableContainerMajorityCovered: CollisionDetection = ({
+  droppableContainers,
+  collisionRect,
+}) => {
+  const descendingDroppabaleContainers = sortBy(
+    droppableContainers,
+    (c) => c?.rect.current?.top,
+  ).reverse();
+
+  for (const droppableContainer of descendingDroppabaleContainers) {
+    const {
+      rect: { current: droppableRect },
+    } = droppableContainer;
+
+    if (droppableRect) {
+      const coveredPercentage = (collisionRect.bottom - droppableRect.top) / droppableRect.height;
+
+      if (coveredPercentage > 0.5) {
+        return [collision(droppableContainer)];
+      }
+    }
+  }
+
+  // if we haven't found anything then we are off the bottom, so return the last item
+  return [collision(descendingDroppabaleContainers[0])];
+};
+
+export const verticalSortableListCollisionDetection: CollisionDetection = (
+  args,
+) => {
+  if (args.collisionRect.top < (args.active.rect.current?.initial?.top ?? 0)) {
+    return highestDroppableContainerMajorityCovered(args);
+  }
+  return lowestDroppableContainerMajorityCovered(args);
+};

src/generic/alert-message/index.scss

@@ -0,0 +1,6 @@
+// TODO: remove this after upstream fix merging: https://github.com/openedx/paragon/pull/3562
+.alert {
+  .alert-message-content {
+    align-self: baseline;
+  }
+}

src/generic/delete-modal/DeleteModal.tsx

@@ -1,4 +1,3 @@
-import PropTypes from 'prop-types';
 import {
   ActionRow,
   Button,
@@ -9,17 +8,29 @@ import { useIntl } from '@edx/frontend-platform/i18n';
 import messages from './messages';
 import LoadingButton from '../loading-button';
 
+interface DeleteModalProps {
+  isOpen: boolean;
+  close: () => void;
+  category?: string;
+  onDeleteSubmit: () => void | Promise<void>;
+  title?: string;
+  description?: React.ReactNode | React.ReactNode[];
+  variant?: string;
+  btnLabel?: string;
+  icon?: React.ElementType;
+}
+
 const DeleteModal = ({
-  category,
+  category = '',
   isOpen,
   close,
   onDeleteSubmit,
   title,
   description,
-  variant,
+  variant = 'default',
   btnLabel,
   icon,
-}) => {
+}: DeleteModalProps) => {
   const intl = useIntl();
 
   const modalTitle = title || intl.formatMessage(messages.title, { category });
@@ -62,28 +73,4 @@ const DeleteModal = ({
   );
 };
 
-DeleteModal.defaultProps = {
-  category: '',
-  title: '',
-  description: '',
-  variant: 'default',
-  btnLabel: '',
-  icon: null,
-};
-
-DeleteModal.propTypes = {
-  isOpen: PropTypes.bool.isRequired,
-  close: PropTypes.func.isRequired,
-  category: PropTypes.string,
-  onDeleteSubmit: PropTypes.func.isRequired,
-  title: PropTypes.string,
-  description: PropTypes.oneOfType([
-    PropTypes.element,
-    PropTypes.string,
-  ]),
-  variant: PropTypes.string,
-  btnLabel: PropTypes.string,
-  icon: PropTypes.elementType,
-};
-
 export default DeleteModal;