test: added test case for navigation bar api

src/components/NavigationBar/data/__factories__/index.js

@@ -0,0 +1 @@
+import './navigationBar.factory';

src/components/NavigationBar/data/__factories__/navigationBar.factory.js

@@ -0,0 +1,50 @@
+import { Factory } from 'rosie';
+
+import { getApiBaseUrl } from '../../../../data/constants';
+
+Factory.define('navigationBar')
+  .attr('can_show_upgrade_sock', null, false)
+  .attr('can_view_certificate', null, false)
+  .attr('celebrations', null, {
+    first_section: false, streak_discount_enabled: false, streak_length_to_celebrate: null, weekly_goal: false,
+  })
+  .option('hasCourseAccess', null, true)
+
+  .attr('course_access', ['hasCourseAccess'], (hasCourseAccess) => ({
+    additional_context_user_message: null,
+    developer_message: null,
+    error_code: null,
+    has_access: hasCourseAccess,
+    user_fragment: null,
+    user_message: null,
+  }))
+  .option('course_id', null, 'course-v1:edX+DemoX+Demo_Course')
+  .attr('is_enrolled', null, false)
+  .attr('is_self_paced', null, false)
+  .attr('is_staff', null, true)
+  .attr('number', null, 'DemoX')
+  .attr('org', null, 'edX')
+  .attr('original_user_is_staff', null, true)
+  .attr('title', null, 'Demonstration Course')
+  .attr('username', null, 'edx')
+  .attr('tabs', ['course_id'], (idx, courseId) => [
+    {
+      tab_id: 'courseware',
+      title: 'Course',
+      url: `${getApiBaseUrl}/course/${courseId}/home`,
+    },
+    {
+      tab_id: 'progress',
+      title: 'Progress',
+      url: `${getApiBaseUrl}/course/${courseId}/progress`,
+    },
+    {
+      tab_id: 'discussion',
+      title: 'Discussion',
+      url: `${getApiBaseUrl}/course/${courseId}/discussion/forum/`,
+    },
+    {
+      tab_id: 'instructor',
+      title: 'Instructor',
+      url: `${getApiBaseUrl}/course/${courseId}/instructor`,
+    }]);

src/components/NavigationBar/data/api.js

@@ -4,6 +4,8 @@ import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 
 import { getApiBaseUrl } from '../../../data/constants';
 
+export const getCourseMetadataApiUrl = (courseId) => `${getApiBaseUrl()}/api/course_home/course_metadata/${courseId}`;
+
 function normalizeCourseHomeCourseMetadata(metadata, rootSlug) {
   const data = camelCaseObject(metadata);
   return {
@@ -21,7 +23,7 @@ function normalizeCourseHomeCourseMetadata(metadata, rootSlug) {
 }
 
 export async function getCourseHomeCourseMetadata(courseId, rootSlug) {
-  const url = `${getApiBaseUrl()}/api/course_home/course_metadata/${courseId}`;
+  const url = getCourseMetadataApiUrl(courseId);
   // don't know the context of adding timezone in url. hence omitting it
   // url = appendBrowserTimezoneToUrl(url);
   const { data } = await getAuthenticatedHttpClient().get(url);

src/components/NavigationBar/data/api.test.js

@@ -0,0 +1,65 @@
+import MockAdapter from 'axios-mock-adapter';
+import { Factory } from 'rosie';
+
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { initializeMockApp } from '@edx/frontend-platform/testing';
+
+import { initializeStore } from '../../../store';
+import { executeThunk } from '../../../test-utils';
+import { getCourseMetadataApiUrl } from './api';
+import { fetchTab } from './thunks';
+
+import './__factories__';
+
+const courseId = 'course-v1:edX+TestX+Test_Course';
+let axiosMock = null;
+let store;
+
+describe('Navigation bar api tests', () => {
+  beforeEach(() => {
+    initializeMockApp({
+      authenticatedUser: {
+        userId: 3,
+        username: 'abc123',
+        administrator: true,
+        roles: [],
+      },
+    });
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+    store = initializeStore();
+  });
+
+  afterEach(() => {
+    axiosMock.reset();
+  });
+
+  it('Successfully get navigation tabs', async () => {
+    axiosMock.onGet(`${getCourseMetadataApiUrl(courseId)}`).reply(200, (Factory.build('navigationBar', 1)));
+    await executeThunk(fetchTab(courseId, 'outline'), store.dispatch, store.getState);
+
+    expect(store.getState().courseTabs.tabs).toHaveLength(4);
+    expect(store.getState().courseTabs.courseStatus).toEqual('loaded');
+  });
+
+  it('Failed to get navigation tabs', async () => {
+    axiosMock.onGet(`${getCourseMetadataApiUrl(courseId)}`).reply(404);
+    await executeThunk(fetchTab(courseId, 'outline'), store.dispatch, store.getState);
+
+    expect(store.getState().courseTabs.courseStatus).toEqual('failed');
+  });
+
+  it('Denied to get navigation tabs', async () => {
+    axiosMock.onGet(`${getCourseMetadataApiUrl(courseId)}`).reply(403, {});
+    await executeThunk(fetchTab(courseId, 'outline'), store.dispatch, store.getState);
+
+    expect(store.getState().courseTabs.courseStatus).toEqual('denied');
+  });
+
+  it('Denied to get navigation bar when user has no access on course', async () => {
+    axiosMock.onGet(`${getCourseMetadataApiUrl(courseId)}`).reply(200,
+      (Factory.build('navigationBar', 1, { hasCourseAccess: false })));
+    await executeThunk(fetchTab(courseId, 'outline'), store.dispatch, store.getState);
+
+    expect(store.getState().courseTabs.courseStatus).toEqual('denied');
+  });
+});

src/components/NavigationBar/data/thunks.js

@@ -1,6 +1,7 @@
 /* eslint-disable import/prefer-default-export, no-unused-expressions */
 import { logError } from '@edx/frontend-platform/logging';
 
+import { getHttpErrorStatus } from '../../../discussions/utils';
 import { getCourseHomeCourseMetadata } from './api';
 import {
   fetchTabDenied,
@@ -26,7 +27,11 @@ export function fetchTab(courseId, rootSlug) {
         }));
       }
     } catch (e) {
-      dispatch(fetchTabFailure({ courseId }));
+      if (getHttpErrorStatus(e) === 403) {
+        dispatch(fetchTabDenied({ courseId }));
+      } else {
+        dispatch(fetchTabFailure({ courseId }));
+      }
       logError(e);
     }
   };

src/discussions/discussions-home/DiscussionsHome.test.jsx

@@ -12,6 +12,8 @@ import { initializeMockApp } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { AppProvider } from '@edx/frontend-platform/react';
 
+import { getCourseMetadataApiUrl } from '../../components/NavigationBar/data/api';
+import { fetchTab } from '../../components/NavigationBar/data/thunks';
 import { getApiBaseUrl } from '../../data/constants';
 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
@@ -28,6 +30,7 @@ import DiscussionsHome from './DiscussionsHome';
 import '../posts/data/__factories__/threads.factory';
 import '../in-context-topics/data/__factories__/inContextTopics.factory';
 import '../topics/data/__factories__/topics.factory';
+import '../../components/NavigationBar/data/__factories__/navigationBar.factory';
 
 const courseConfigApiUrl = getCourseConfigApiUrl();
 let axiosMock;
@@ -247,4 +250,12 @@ describe('DiscussionsHome', () => {
 
     expect(screen.queryByText('No topic selected')).toBeInTheDocument();
   });
+
+  it('should display navigation tabs', async () => {
+    axiosMock.onGet(`${getCourseMetadataApiUrl(courseId)}`).reply(200, (Factory.build('navigationBar', 1)));
+    await executeThunk(fetchTab(courseId, 'outline'), store.dispatch, store.getState);
+    renderComponent(`/${courseId}/topics`);
+
+    expect(screen.queryByText('Discussion')).toBeInTheDocument();
+  });
 });