fix(deps): regenerate package-lock.json (#478)

Co-authored-by: Claude Code <noreply@anthropic.com>

.env

@@ -32,3 +32,6 @@ ENTERPRISE_MARKETING_UTM_CAMPAIGN=''
 ENTERPRISE_MARKETING_FOOTER_UTM_MEDIUM=''
 APP_ID=''
 MFE_CONFIG_API_URL=''
+ACCOUNT_SETTINGS_URL=''
+# Fallback in local style files
+PARAGON_THEME_URLS={}

.env.development

@@ -7,7 +7,6 @@ LOGOUT_URL='http://localhost:18000/logout'
 LOGO_URL=https://edx-cdn.org/v3/default/logo.svg
 LOGO_TRADEMARK_URL=https://edx-cdn.org/v3/default/logo-trademark.svg
 LOGO_WHITE_URL=https://edx-cdn.org/v3/default/logo-white.svg
-LOGO_POWERED_BY_OPEN_EDX_URL_SVG=https://edx-cdn.org/v3/stage/open-edx-tag.svg
 FAVICON_URL=https://edx-cdn.org/v3/default/favicon.ico
 CSRF_TOKEN_API_PATH='/csrf/api/v1/token'
 REFRESH_ACCESS_TOKEN_ENDPOINT='http://localhost:18000/login_refresh'
@@ -38,3 +37,6 @@ ENTERPRISE_MARKETING_UTM_CAMPAIGN='example.com Referral'
 ENTERPRISE_MARKETING_FOOTER_UTM_MEDIUM='Footer'
 APP_ID=''
 MFE_CONFIG_API_URL=''
+ACCOUNT_SETTINGS_URL=http://localhost:1997
+# Fallback in local style files
+PARAGON_THEME_URLS={}

.env.test

@@ -7,7 +7,6 @@ LOGOUT_URL='http://localhost:18000/logout'
 LOGO_URL=https://edx-cdn.org/v3/default/logo.svg
 LOGO_TRADEMARK_URL=https://edx-cdn.org/v3/default/logo-trademark.svg
 LOGO_WHITE_URL=https://edx-cdn.org/v3/default/logo-white.svg
-LOGO_POWERED_BY_OPEN_EDX_URL_SVG=https://edx-cdn.org/v3/stage/open-edx-tag.svg
 FAVICON_URL=https://edx-cdn.org/v3/default/favicon.ico
 CSRF_TOKEN_API_PATH='/csrf/api/v1/token'
 REFRESH_ACCESS_TOKEN_ENDPOINT='http://localhost:18000/login_refresh'
@@ -36,3 +35,5 @@ ENTERPRISE_MARKETING_URL='http://example.com'
 ENTERPRISE_MARKETING_UTM_SOURCE='example.com'
 ENTERPRISE_MARKETING_UTM_CAMPAIGN='example.com Referral'
 ENTERPRISE_MARKETING_FOOTER_UTM_MEDIUM='Footer'
+ACCOUNT_SETTINGS_URL=http://localhost:1997
+PARAGON_THEME_URLS={}

.eslintrc.js

@@ -1,4 +1,5 @@
-const { createConfig } = require('@edx/frontend-build');
+// eslint-disable-next-line import/no-extraneous-dependencies
+const { createConfig } = require('@openedx/frontend-build');
 
 const config = createConfig('eslint', {
   rules: {
@@ -6,20 +7,28 @@ const config = createConfig('eslint', {
     'import/no-named-as-default-member': 'off',
     'import/no-import-module-exports': 'off',
     'import/no-self-import': 'off',
-    'spaced-comment': ['error', 'always', { 'block': { 'exceptions': ['*'] } }],
+    'spaced-comment': ['error', 'always', { block: { exceptions: ['*'] } }],
     'react-hooks/rules-of-hooks': 'off',
-    "react/forbid-prop-types": ["error", { "forbid": ["any", "array"] }], // arguable object proptype is use when I do not care about the shape of the object
+    'react/forbid-prop-types': ['error', { forbid: ['any', 'array'] }], // arguable object proptype is use when I do not care about the shape of the object
     'no-import-assign': 'off',
     'no-promise-executor-return': 'off',
     'import/no-cycle': 'off',
   },
+  overrides: [
+    {
+      files: ['**/*.test.{js,jsx,ts,tsx}'],
+      rules: {
+        'react/prop-types': 'off',
+      },
+    },
+  ],
 });
 
 config.settings = {
-  "import/resolver": {
+  'import/resolver': {
     node: {
-      paths: ["src", "node_modules"],
+      paths: ['src', 'node_modules'],
-      extensions: [".js", ".jsx"],
+      extensions: ['.js', '.jsx'],
     },
   },
 };

.github/CODEOWNERS

@@ -1,6 +0,0 @@
-# Code owners for frontend-app-ora-grading
-
-# These owners will be the default owners for everything in
-# the repo. Unless a later match takes precedence, they will
-# be requested for review when someone opens a pull request.
-*       @edx/content-aurora

.github/workflows/ci.yml

@@ -10,17 +10,18 @@ on:
 
 jobs:
   tests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
+
     steps:
     - name: Checkout
       uses: actions/checkout@v3
     - name: Setup Nodejs Env
       run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
     - name: Setup Nodejs
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
 # Because of node 18 bug (https://github.com/nodejs/node/issues/47563), Pinning node version 18.15 until the next release of node
       with:
-        node-version: 18.15
+        node-version-file: '.nvmrc'
 
     - name: Install dependencies
       run: npm ci
@@ -38,7 +39,10 @@ jobs:
       run: npm run build
 
     - name: Run Coverage
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        fail_ci_if_error: true
 
     - name: Send failure notification
       if: ${{ failure() }}

.github/workflows/npm-publish.yml

@@ -1,32 +0,0 @@
-name: Release CI
-on:
-  push:
-    tags:
-      - "*"
-
-jobs:
-  release:
-    name: Release
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: 12
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Create Build
-        run: npm run build
-
-      - name: Release Package
-        env:
-          GITHUB_TOKEN: ${{ secrets.SEMANTIC_RELEASE_GITHUB_TOKEN }}
-          NPM_TOKEN: ${{ secrets.SEMANTIC_RELEASE_NPM_TOKEN }}
-        run: npm semantic-release

.gitignore

@@ -25,3 +25,5 @@ module.config.js
 ### transifex ###
 src/i18n/transifex_input.json
 temp
+
+src/i18n/messages

.husky/pre-push

@@ -1,4 +0,0 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-npm run lint

.nvmrc

@@ -1 +1 @@
-18.17
+24

.releaserc

@@ -1,27 +0,0 @@
-{
-  "branch": "master",
-  "tagFormat": "v${version}",
-  "verifyConditions": [
-    "@semantic-release/npm",
-    {
-      "path": "@semantic-release/github",
-      "assets": {
-        "path": "dist/*"
-      }
-    }
-  ],
-  "analyzeCommits": "@semantic-release/commit-analyzer",
-  "generateNotes": "@semantic-release/release-notes-generator",
-  "prepare": "@semantic-release/npm",
-  "publish": [
-    "@semantic-release/npm",
-    {
-      "path": "@semantic-release/github",
-      "assets": {
-        "path": "dist/*"
-      }
-    }
-  ],
-  "success": [],
-  "fail": []
-}

.tx/config

@@ -1,9 +0,0 @@
-[main]
-host = https://www.transifex.com
-
-[o:open-edx:p:edx-platform:r:frontend-app-ora-grading]
-file_filter = src/i18n/messages/<lang>.json
-source_file = src/i18n/transifex_input.json
-source_lang = en
-type        = KEYVALUEJSON
-

Makefile

@@ -2,16 +2,13 @@ npm-install-%: ## install specified % npm package
 	npm install $* --save-dev
 	git add package.json
 
-transifex_resource = frontend-app-ora-grading
-transifex_langs = "ar,de_DE,es_419,fa_IR,fr,fr_CA,hi,it_IT,pt_PT,uk,ru,zh_CN"
-
 intl_imports = ./node_modules/.bin/intl-imports.js
 transifex_utils = ./node_modules/.bin/transifex-utils.js
 i18n = ./src/i18n
 transifex_input = $(i18n)/transifex_input.json
 
 # This directory must match .babelrc .
-transifex_temp = ./temp/babel-plugin-react-intl
+transifex_temp = ./temp/babel-plugin-formatjs
 
 NPM_TESTS=build i18n_extract lint test
 
@@ -43,35 +40,18 @@ detect_changed_source_translations:
 	# Checking for changed translations...
 	git diff --exit-code $(i18n)
 
-# Pushes translations to Transifex.  You must run make extract_translations first.
-push_translations:
-	# Pushing strings to Transifex...
-	tx push -s
-	# Fetching hashes from Transifex...
-	./node_modules/@edx/reactifex/bash_scripts/get_hashed_strings_v3.sh
-	# Writing out comments to file...
-	$(transifex_utils) $(transifex_temp) --comments --v3-scripts-path
-	# Pushing comments to Transifex...
-	./node_modules/@edx/reactifex/bash_scripts/put_comments_v3.sh
-
-ifeq ($(OPENEDX_ATLAS_PULL),)
-# Pulls translations from Transifex.
-pull_translations:
-	tx pull -t -f --mode reviewed --languages=$(transifex_langs)
-else
-# Experimental: OEP-58 Pulls translations using atlas
 pull_translations:
 	rm -rf src/i18n/messages
 	mkdir src/i18n/messages
 	cd src/i18n/messages \
-	  && atlas pull --filter=$(transifex_langs) \
+	  && atlas pull $(ATLAS_OPTIONS) \
 	           translations/frontend-component-footer/src/i18n/messages:frontend-component-footer \
 	           translations/frontend-component-header/src/i18n/messages:frontend-component-header \
+	           translations/frontend-platform/src/i18n/messages:frontend-platform \
 	           translations/paragon/src/i18n/messages:paragon \
 	           translations/frontend-app-ora-grading/src/i18n/messages:frontend-app-ora-grading
 
-	$(intl_imports) frontend-component-footer frontend-component-header paragon frontend-app-ora-grading
+	$(intl_imports) frontend-component-footer frontend-component-header frontend-platform paragon frontend-app-ora-grading
-endif
 
 # This target is used by CI.
 validate-no-uncommitted-package-lock-changes:

README.rst

@@ -26,18 +26,20 @@ Getting Started
 Prerequisites
 =============
 
-The `devstack`_ is currently recommended as a development environment for your
+`Tutor`_ is currently recommended as a development environment for your
-new MFE.  If you start it with ``make dev.up.lms`` that should give you
+new MFE. Please refer
-everything you need as a companion to this frontend.
-
-Note that it is also possible to use `Tutor`_ to develop an MFE.  You can refer
 to the `relevant tutor-mfe documentation`_ to get started using it.
 
-.. _Devstack: https://github.com/openedx/devstack
-
 .. _Tutor: https://github.com/overhangio/tutor
 
-.. _relevant tutor-mfe documentation: https://github.com/overhangio/tutor-mfe#mfe-development
+.. _relevant tutor-mfe documentation: https://github.com/overhangio/tutor-mfe?tab=readme-ov-file#mfe-development
+
+
+Plugins
+=======
+This MFE can be customized using `Frontend Plugin Framework <https://github.com/openedx/frontend-plugin-framework>`_.
+
+The parts of this MFE that can be customized in that manner are documented `here </src/plugin-slots>`_.
 
 Developing
 ==========
@@ -54,9 +56,9 @@ First, clone the repo, install code prerequisites, and start the app.
 
   ``git clone git@github.com:openedx/frontend-app-ora-grading.git``
 
-  2. Use node v18.x.
+  2. Use the version of Node specified in the ``.nvmrc`` file.
 
-    The current version of the micro-frontend build scripts support node 18.
+    The current version of the micro-frontend build scripts supports the version of Node found in ``.nvmrc``.
     Using other major versions of node *may* work, but this is unsupported.  For
     convenience, this repository includes an .nvmrc file to help in setting the
     correct node version via `nvm <https://github.com/nvm-sh/nvm>`_.

catalog-info.yaml

@@ -13,7 +13,9 @@ metadata:
     - url: "https://ora-grading.stage.edx.org"
       title: "Stage Site"
       icon: "Web"
+  annotations:
+    openedx.org/release: "master"     
 spec:
-  owner: group:content-aurora
+  owner: "user:codewithemad"
   type: 'website'
   lifecycle: 'production'

jest.config.js

@@ -1,4 +1,4 @@
-const { createConfig } = require('@edx/frontend-build');
+const { createConfig } = require('@openedx/frontend-build');
 
 module.exports = createConfig('jest', {
   setupFilesAfterEnv: [
@@ -6,9 +6,6 @@ module.exports = createConfig('jest', {
     '<rootDir>/src/setupTest.js',
   ],
   modulePaths: ['<rootDir>/src/'],
-  snapshotSerializers: [
-    'enzyme-to-json/serializer',
-  ],
   coveragePathIgnorePatterns: [
     'src/segment.js',
     'src/postcss.config.js',

openedx.yaml

@@ -1,9 +0,0 @@
-# This file describes this Open edX repo, as described in OEP-2:
-# http://open-edx-proposals.readthedocs.io/en/latest/oeps/oep-0002.html#specification
-
-tags:
-  - frontend-app
-  - masters
-oeps:
-  oep-2: true    # Repository metadata
-openedx-release: {ref: master}

package.json

@@ -6,16 +6,19 @@
     "type": "git",
     "url": "git+https://github.com/edx/frontend-app-ora-grading.git"
   },
+  "browserslist": [
+    "extends @edx/browserslist-config"
+  ],
   "scripts": {
     "build": "fedx-scripts webpack",
-    "i18n_extract": "BABEL_ENV=i18n fedx-scripts babel src --quiet > /dev/null",
+    "i18n_extract": "fedx-scripts formatjs extract",
     "lint": "fedx-scripts eslint --ext .jsx,.js src/",
     "lint-fix": "fedx-scripts eslint --fix --ext .jsx,.js src/",
     "semantic-release": "semantic-release",
     "start": "fedx-scripts webpack-dev-server --progress",
+    "dev": "PUBLIC_PATH=/ora-grading/ MFE_CONFIG_API_URL='http://localhost:8000/api/mfe_config/v1' fedx-scripts webpack-dev-server --progress --host apps.local.openedx.io",
     "test": "TZ=GMT fedx-scripts jest --coverage --passWithNoTests",
-    "watch-tests": "jest --watch",
+    "watch-tests": "jest --watch"
-    "prepare": "husky install"
   },
   "author": "edX",
   "license": "AGPL-3.0",
@@ -24,26 +27,26 @@
     "access": "public"
   },
   "dependencies": {
-    "@edx/brand": "npm:@edx/brand-openedx@^1.2.0",
+    "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
-    "@edx/frontend-component-footer": "12.2.1",
+    "@edx/frontend-component-footer": "^14.6.0",
-    "@edx/frontend-component-header": "4.6.0",
+    "@edx/frontend-component-header": "^8.0.0",
-    "@edx/frontend-platform": "4.6.1",
+    "@edx/frontend-platform": "^8.3.1",
-    "@edx/paragon": "^20.44.0",
+    "@edx/openedx-atlas": "^0.6.0",
     "@fortawesome/fontawesome-svg-core": "^1.2.36",
     "@fortawesome/free-brands-svg-icons": "^5.15.4",
     "@fortawesome/free-solid-svg-icons": "^5.15.4",
     "@fortawesome/react-fontawesome": "^0.2.0",
+    "@openedx/paragon": "^23.4.5",
     "@redux-beacon/segment": "^1.1.0",
+    "@redux-devtools/extension": "3.0.0",
     "@reduxjs/toolkit": "^1.6.1",
     "@testing-library/user-event": "^14.0.0",
     "@zip.js/zip.js": "^2.4.6",
-    "axios": "^0.27.0",
+    "axios": "^0.28.0",
     "classnames": "^2.3.1",
-    "core-js": "3.32.1",
+    "core-js": "3.35.1",
     "dompurify": "^2.3.1",
     "email-prop-type": "^3.0.1",
-    "enzyme": "^3.11.0",
-    "enzyme-to-json": "^3.6.2",
     "file-saver": "^2.0.5",
     "filesize": "^8.0.6",
     "font-awesome": "4.7.0",
@@ -53,18 +56,17 @@
     "moment": "^2.29.3",
     "prop-types": "15.8.1",
     "query-string": "7.1.3",
-    "react": "^17.0.2",
+    "react": "^18.3.1",
-    "react-dom": "^17.0.2",
+    "react-dom": "^18.3.1",
     "react-helmet": "^6.1.0",
-    "react-intl": "^5.20.9",
+    "react-intl": "6.4.7",
-    "react-pdf": "^5.5.0",
+    "react-pdf": "^7.0.0",
     "react-redux": "^7.2.9",
-    "react-router": "5.3.4",
+    "react-router": "6.21.3",
-    "react-router-dom": "5.3.4",
+    "react-router-dom": "6.21.3",
     "react-router-redux": "^5.0.0-alpha.9",
     "redux": "4.2.1",
     "redux-beacon": "^2.1.0",
-    "redux-devtools-extension": "2.13.9",
     "redux-logger": "3.0.6",
     "redux-thunk": "2.4.2",
     "regenerator-runtime": "^0.14.0",
@@ -73,22 +75,18 @@
     "whatwg-fetch": "^3.6.2"
   },
   "devDependencies": {
-    "@edx/browserslist-config": "^1.2.0",
+    "@edx/browserslist-config": "^1.3.0",
-    "@edx/frontend-build": "^12.7.0",
+    "@openedx/frontend-build": "^14.6.2",
-    "@edx/reactifex": "^2.1.1",
+    "@testing-library/jest-dom": "^6.6.3",
-    "@testing-library/jest-dom": "^5.14.1",
+    "@testing-library/react": "^16.2.0",
-    "@testing-library/react": "12.1.5",
-    "@wojtekmaj/enzyme-adapter-react-17": "0.8.0",
     "axios-mock-adapter": "^1.20.0",
     "fetch-mock": "^9.11.0",
-    "husky": "^7.0.0",
     "identity-obj-proxy": "^3.0.0",
-    "jest": "29.6.4",
+    "jest": "29.7.0",
+    "jest-environment-jsdom": "^29.7.0",
     "jest-expect-message": "^1.0.2",
     "react-dev-utils": "^12.0.1",
-    "react-test-renderer": "^17.0.2",
+    "react-test-renderer": "^18.3.1",
-    "reactifex": "1.1.1",
+    "redux-mock-store": "^1.5.5"
-    "redux-mock-store": "^1.5.4",
-    "semantic-release": "^19.0.3"
   }
 }

src/App.jsx

@@ -3,13 +3,12 @@ import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 import { BrowserRouter as Router } from 'react-router-dom';
 
-import Footer from '@edx/frontend-component-footer';
+import { FooterSlot } from '@edx/frontend-component-footer';
 import { LearningHeader as Header } from '@edx/frontend-component-header';
 
 import { selectors } from 'data/redux';
 
 import DemoWarning from 'containers/DemoWarning';
-import CTA from 'containers/CTA';
 import ListView from 'containers/ListView';
 
 import './App.scss';
@@ -23,13 +22,13 @@ export const App = ({ courseMetadata, isEnabled }) => (
         courseTitle={courseMetadata.title}
         courseNumber={courseMetadata.number}
         courseOrg={courseMetadata.org}
+        data-testid="header"
       />
       {!isEnabled && <DemoWarning />}
-      <CTA />
+      <main data-testid="main">
-      <main>
         <ListView />
       </main>
-      <Footer logo={process.env.LOGO_POWERED_BY_OPEN_EDX_URL_SVG} />
+      <FooterSlot />
     </div>
   </Router>
 );

src/App.scss

@@ -1,15 +1,13 @@
 // frontend-app-*/src/index.scss
-@import "~@edx/brand/paragon/fonts";
+@use "@openedx/paragon/styles/css/core/custom-media-breakpoints" as paragonCustomMediaBreakpoints;
-@import "~@edx/brand/paragon/variables";
-@import "~@edx/paragon/scss/core/core";
-@import "~@edx/brand/paragon/overrides";
 
 $fa-font-path: "~font-awesome/fonts";
 @import "~font-awesome/scss/font-awesome";
 
-$input-focus-box-shadow: $input-box-shadow; // hack to get upgrade to paragon 4.0.0 to work
+$input-focus-box-shadow: var(--pgn-elevation-form-input-base); // hack to get upgrade to paragon 4.0.0 to work
 
 @import "~@edx/frontend-component-footer/dist/_footer";
+@import "~@edx/frontend-component-header/dist/index";
 
 #root {
   display: flex;
@@ -48,7 +46,22 @@ $input-focus-box-shadow: $input-box-shadow; // hack to get upgrade to paragon 4.
       right: 1rem !important;
     }
   }
+
   .confirm-modal .pgn__modal-body {
     overflow: hidden;
   }
+
+  .pgn__modal-body-content {
+    & img {
+      object-fit: contain;
+      max-width: 100%;
+      height: auto;
+    }
+
+    & blockquote > p {
+      border-left: 2px solid var(--pgn-color-gray-200);
+      margin-left: 1.5rem;
+      padding-left: 1rem;
+    }
+  }
 }

src/App.test.jsx

@@ -1,77 +1,101 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import { selectors } from 'data/redux';
 
-import Footer from '@edx/frontend-component-footer';
+import { renderWithIntl } from './testUtils';
-import { LearningHeader as Header } from '@edx/frontend-component-header';
+import { App, mapStateToProps } from './App';
 
-import ListView from 'containers/ListView';
+// we want to scope these tests to the App component, so we mock some child components to reduce complexity
 
-import { App } from './App';
+jest.mock('@edx/frontend-platform/auth', () => ({
+  getAuthenticatedHttpClient: jest.fn(),
+  getLoginRedirectUrl: jest.fn(),
+}));
+
+jest.mock('@edx/frontend-component-footer', () => ({
+  FooterSlot: () => <div data-testid="footer">Footer</div>,
+}));
+
+jest.mock('containers/ListView', () => function ListView() {
+  return <div data-testid="list-view">List View</div>;
+});
+
+jest.mock('containers/DemoWarning', () => function DemoWarning() {
+  return <div role="alert" data-testid="demo-warning">Demo Warning</div>;
+});
+
+jest.mock('@edx/frontend-component-header', () => ({
+  LearningHeader: ({ courseTitle, courseNumber, courseOrg }) => (
+    <div data-testid="header">
+      Header - {courseTitle} {courseNumber} {courseOrg}
+    </div>
+  ),
+}));
 
 jest.mock('data/redux', () => ({
-  app: {
+  selectors: {
-    selectors: {
+    app: {
-      courseMetadata: (state) => ({ courseMetadata: state }),
+      courseMetadata: jest.fn((state) => state.courseMetadata || {
-      isEnabled: (state) => ({ isEnabled: state }),
+        org: 'test-org',
+        number: 'test-101',
+        title: 'Test Course',
+      }),
+      isEnabled: jest.fn((state) => (state.isEnabled !== undefined ? state.isEnabled : true)),
     },
   },
 }));
 
-jest.mock('@edx/frontend-component-header', () => ({
+describe('App component', () => {
-  LearningHeader: 'Header',
+  const defaultProps = {
-}));
-jest.mock('@edx/frontend-component-footer', () => 'Footer');
-
-jest.mock('containers/DemoWarning', () => 'DemoWarning');
-jest.mock('containers/CTA', () => 'CTA');
-jest.mock('containers/ListView', () => 'ListView');
-jest.mock('components/Head', () => 'Head');
-
-const logo = 'fakeLogo.png';
-let el;
-let router;
-
-describe('App router component', () => {
-  const props = {
     courseMetadata: {
-      org: 'course-org',
+      org: 'test-org',
-      number: 'course-number',
+      number: 'test-101',
-      title: 'course-title',
+      title: 'Test Course',
     },
     isEnabled: true,
   };
-  test('snapshot: enabled', () => {
-    expect(shallow(<App {...props} />)).toMatchSnapshot();
-  });
-  test('snapshot: disabled (show demo warning)', () => {
-    expect(shallow(<App {...props} isEnabled={false} />)).toMatchSnapshot();
-  });
-  describe('component', () => {
-    beforeEach(() => {
-      process.env.LOGO_POWERED_BY_OPEN_EDX_URL_SVG = logo;
-      el = shallow(<App {...props} />);
-      router = el.childAt(0);
-    });
-    describe('Router', () => {
-      test('Routing - ListView is only route', () => {
-        expect(router.find('main')).toEqual(shallow(
-          <main><ListView /></main>,
-        ));
-      });
-    });
-    test('Footer logo drawn from env variable', () => {
-      expect(router.find(Footer).props().logo).toEqual(logo);
-    });
 
-    test('Header to use courseMetadata props', () => {
+  beforeEach(() => {
-      const {
+    jest.clearAllMocks();
-        courseTitle,
+  });
-        courseNumber,
+
-        courseOrg,
+  it('renders header with course metadata', () => {
-      } = router.find(Header).props();
+    renderWithIntl(<App {...defaultProps} />);
-      expect(courseTitle).toEqual(props.courseMetadata.title);
+    const org = screen.getByText((text) => text.includes('test-org'));
-      expect(courseNumber).toEqual(props.courseMetadata.number);
+    expect(org).toBeInTheDocument();
-      expect(courseOrg).toEqual(props.courseMetadata.org);
+    const title = screen.getByText((content) => content.includes('Test Course'));
+    expect(title).toBeInTheDocument();
+  });
+
+  it('renders main content', () => {
+    renderWithIntl(<App {...defaultProps} />);
+
+    const main = screen.getByTestId('main');
+    expect(main).toBeInTheDocument();
+  });
+
+  it('does not render demo warning when enabled', () => {
+    renderWithIntl(<App {...defaultProps} />);
+
+    const demoWarning = screen.queryByRole('alert');
+    expect(demoWarning).not.toBeInTheDocument();
+  });
+
+  it('renders demo warning when disabled', () => {
+    renderWithIntl(<App {...defaultProps} isEnabled={false} />);
+
+    const demoWarning = screen.getByRole('alert');
+    expect(demoWarning).toBeInTheDocument();
+  });
+
+  describe('mapStateToProps', () => {
+    it('maps state properties correctly', () => {
+      const testState = { arbitraryState: 'some data' };
+      const mapped = mapStateToProps(testState);
+
+      expect(selectors.app.courseMetadata).toHaveBeenCalledWith(testState);
+      expect(selectors.app.isEnabled).toHaveBeenCalledWith(testState);
+      expect(mapped.courseMetadata).toEqual(selectors.app.courseMetadata(testState));
+      expect(mapped.isEnabled).toEqual(selectors.app.isEnabled(testState));
     });
   });
 });

src/__snapshots__/App.test.jsx.snap

@@ -1,42 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`App router component snapshot: disabled (show demo warning) 1`] = `
-<BrowserRouter>
-  <div>
-    <Head />
-    <Header
-      courseNumber="course-number"
-      courseOrg="course-org"
-      courseTitle="course-title"
-    />
-    <DemoWarning />
-    <CTA />
-    <main>
-      <ListView />
-    </main>
-    <Footer
-      logo="https://edx-cdn.org/v3/stage/open-edx-tag.svg"
-    />
-  </div>
-</BrowserRouter>
-`;
-
-exports[`App router component snapshot: enabled 1`] = `
-<BrowserRouter>
-  <div>
-    <Head />
-    <Header
-      courseNumber="course-number"
-      courseOrg="course-org"
-      courseTitle="course-title"
-    />
-    <CTA />
-    <main>
-      <ListView />
-    </main>
-    <Footer
-      logo="https://edx-cdn.org/v3/stage/open-edx-tag.svg"
-    />
-  </div>
-</BrowserRouter>
-`;

src/__snapshots__/index.test.jsx.snap

@@ -1,23 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`app registry subscribe: APP_INIT_ERROR.  snapshot: displays an ErrorPage to root element 1`] = `
-<ErrorPage
-  message="test-error-message"
-/>
-`;
-
-exports[`app registry subscribe: APP_READY.  links App to root element 1`] = `
-<AppProvider
-  store={
-    Object {
-      "dispatch": [Function],
-      "getState": [Function],
-      "replaceReducer": [Function],
-      "subscribe": [Function],
-      Symbol(Symbol.observable): [Function],
-    }
-  }
->
-  <App />
-</AppProvider>
-`;

src/components/ConfirmModal.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { AlertModal, ActionRow, Button } from '@edx/paragon';
+import { AlertModal, ActionRow, Button } from '@openedx/paragon';
 import { nullMethod } from 'hooks';
 
 export const ConfirmModal = ({

src/components/ConfirmModal.test.jsx

@@ -1,5 +1,6 @@
-import { shallow } from 'enzyme';
+import { render, screen } from '@testing-library/react';
-
+import userEvent from '@testing-library/user-event';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
 import { ConfirmModal } from './ConfirmModal';
 
 describe('ConfirmModal', () => {
@@ -12,10 +13,48 @@ describe('ConfirmModal', () => {
     onCancel: jest.fn().mockName('this.props.onCancel'),
     onConfirm: jest.fn().mockName('this.props.onConfirm'),
   };
-  test('snapshot: closed', () => {
+
-    expect(shallow(<ConfirmModal {...props} />)).toMatchSnapshot();
+  beforeEach(() => {
+    jest.clearAllMocks();
   });
-  test('snapshot: open', () => {
+
-    expect(shallow(<ConfirmModal {...props} isOpen />)).toMatchSnapshot();
+  it('should not render content when modal is closed', () => {
+    render(
+      <IntlProvider locale="en">
+        <ConfirmModal {...props} />
+      </IntlProvider>,
+    );
+    expect(screen.queryByText(props.content)).toBeNull();
+  });
+
+  it('should display content when modal is open', () => {
+    render(
+      <IntlProvider locale="en">
+        <ConfirmModal {...props} isOpen />
+      </IntlProvider>,
+    );
+    expect(screen.getByText(props.content)).toBeInTheDocument();
+  });
+
+  it('should call onCancel when cancel button is clicked', async () => {
+    render(
+      <IntlProvider locale="en">
+        <ConfirmModal {...props} isOpen />
+      </IntlProvider>,
+    );
+    const user = userEvent.setup();
+    await user.click(screen.getByText(props.cancelText));
+    expect(props.onCancel).toHaveBeenCalledTimes(1);
+  });
+
+  it('should call onConfirm when confirm button is clicked', async () => {
+    render(
+      <IntlProvider locale="en">
+        <ConfirmModal {...props} isOpen />
+      </IntlProvider>,
+    );
+    const user = userEvent.setup();
+    await user.click(screen.getByText(props.confirmText));
+    expect(props.onConfirm).toHaveBeenCalledTimes(1);
   });
 });

src/components/DemoAlert/__snapshots__/index.test.jsx.snap

@@ -1,23 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`DemoAlert component snapshot 1`] = `
-<AlertModal
-  footerNode={
-    <ActionRow>
-      <Button
-        onClick={[MockFunction props.onClose]}
-        variant="primary"
-      >
-        Confirm
-      </Button>
-    </ActionRow>
-  }
-  isOpen={true}
-  onClose={[MockFunction props.onClose]}
-  title="Demo submit prevented"
->
-  <p>
-    Grade submission is disabled in the Demo mode of the new ORA Staff Grader.
-  </p>
-</AlertModal>
-`;

src/components/DemoAlert/index.jsx

@@ -1,39 +1,40 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { useIntl } from '@edx/frontend-platform/i18n';
 import {
   ActionRow,
   AlertModal,
   Button,
-} from '@edx/paragon';
+} from '@openedx/paragon';
 
 import messages from './messages';
 
 export const DemoAlert = ({
-  intl: { formatMessage },
   isOpen,
   onClose,
-}) => (
+}) => {
-  <AlertModal
+  const { formatMessage } = useIntl();
-    title={formatMessage(messages.title)}
+  return (
-    isOpen={isOpen}
+    <AlertModal
-    onClose={onClose}
+      title={formatMessage(messages.title)}
-    footerNode={(
+      isOpen={isOpen}
-      <ActionRow>
+      onClose={onClose}
-        <Button variant="primary" onClick={onClose}>
+      footerNode={(
-          {formatMessage(messages.confirm)}
+        <ActionRow>
-        </Button>
+          <Button variant="primary" onClick={onClose}>
-      </ActionRow>
+            {formatMessage(messages.confirm)}
+          </Button>
+        </ActionRow>
     )}
-  >
+    >
-    <p>{formatMessage(messages.warningMessage)}</p>
+      <p>{formatMessage(messages.warningMessage)}</p>
-  </AlertModal>
+    </AlertModal>
-);
+  );
+};
 DemoAlert.propTypes = {
-  intl: intlShape.isRequired,
   isOpen: PropTypes.bool.isRequired,
   onClose: PropTypes.func.isRequired,
 };
 
-export default injectIntl(DemoAlert);
+export default DemoAlert;

src/components/DemoAlert/index.test.jsx

@@ -1,16 +1,32 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import userEvent from '@testing-library/user-event';
+import { renderWithIntl } from '../../testUtils';
 
-import { formatMessage } from 'testUtils';
+import messages from './messages';
 import { DemoAlert } from '.';
 
 describe('DemoAlert component', () => {
-  test('snapshot', () => {
+  const props = {
-    const props = {
+    isOpen: true,
-      intl: { formatMessage },
+    onClose: jest.fn().mockName('props.onClose'),
-      isOpen: true,
+  };
-      onClose: jest.fn().mockName('props.onClose'),
+
-    };
+  it('does not render when isOpen is false', () => {
-    expect(shallow(<DemoAlert {...props} />)).toMatchSnapshot();
+    renderWithIntl(<DemoAlert {...props} isOpen={false} />);
+    expect(screen.queryByText(messages.title.defaultMessage)).toBeNull();
+  });
+
+  it('renders with correct title and message when isOpen is true', () => {
+    renderWithIntl(<DemoAlert {...props} />);
+    expect(screen.getByText(messages.title.defaultMessage)).toBeInTheDocument();
+    expect(screen.getByText(messages.warningMessage.defaultMessage)).toBeInTheDocument();
+  });
+
+  it('calls onClose when confirmation button is clicked', async () => {
+    renderWithIntl(<DemoAlert {...props} />);
+    const user = userEvent.setup();
+    const confirmButton = screen.getByText(messages.confirm.defaultMessage);
+    await user.click(confirmButton);
+    expect(props.onClose).toHaveBeenCalled();
   });
 });

src/components/FilePopoverContent/__snapshots__/index.test.jsx.snap

@@ -1,89 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`FilePopoverContent component snapshot default 1`] = `
-<Fragment>
-  <div
-    className="help-popover-option"
-  >
-    <strong>
-      <FormattedMessage
-        defaultMessage="File Name"
-        description="Popover title for file name"
-        id="ora-grading.FilePopoverContent.filePopoverNameTitle"
-      />
-    </strong>
-    <br />
-    some file name
-  </div>
-  <div
-    className="help-popover-option"
-  >
-    <strong>
-      <FormattedMessage
-        defaultMessage="File Description"
-        description="Popover title for file description"
-        id="ora-grading.FilePopoverCellContent.filePopoverDescriptionTitle"
-      />
-    </strong>
-    <br />
-    long descriptive text...
-  </div>
-  <div
-    className="help-popover-option"
-  >
-    <strong>
-      <FormattedMessage
-        defaultMessage="File Size"
-        description="Popover title for file size"
-        id="ora-grading.FilePopoverCellContent.fileSizeTitle"
-      />
-    </strong>
-    <br />
-    filesize(6000)
-  </div>
-</Fragment>
-`;
-
-exports[`FilePopoverContent component snapshot invalid size 1`] = `
-<Fragment>
-  <div
-    className="help-popover-option"
-  >
-    <strong>
-      <FormattedMessage
-        defaultMessage="File Name"
-        description="Popover title for file name"
-        id="ora-grading.FilePopoverContent.filePopoverNameTitle"
-      />
-    </strong>
-    <br />
-    some file name
-  </div>
-  <div
-    className="help-popover-option"
-  >
-    <strong>
-      <FormattedMessage
-        defaultMessage="File Description"
-        description="Popover title for file description"
-        id="ora-grading.FilePopoverCellContent.filePopoverDescriptionTitle"
-      />
-    </strong>
-    <br />
-    long descriptive text...
-  </div>
-  <div
-    className="help-popover-option"
-  >
-    <strong>
-      <FormattedMessage
-        defaultMessage="File Size"
-        description="Popover title for file size"
-        id="ora-grading.FilePopoverCellContent.fileSizeTitle"
-      />
-    </strong>
-    <br />
-    Unknown
-  </div>
-</Fragment>
-`;

src/components/FilePopoverContent/index.test.jsx

@@ -1,7 +1,7 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
 import filesize from 'filesize';
+import { renderWithIntl } from '../../testUtils';
+
 import FilePopoverContent from '.';
 
 jest.mock('filesize', () => (size) => `filesize(${size})`);
@@ -14,25 +14,26 @@ describe('FilePopoverContent', () => {
       downloadURL: 'this-url-is.working',
       size: 6000,
     };
-    let el;
-    beforeEach(() => {
-      el = shallow(<FilePopoverContent {...props} />);
-    });
-    describe('snapshot', () => {
-      test('default', () => expect(el).toMatchSnapshot());
-      test('invalid size', () => {
-        el.setProps({
-          size: null,
-        });
-        expect(el).toMatchSnapshot();
-      });
-    });
 
     describe('behavior', () => {
-      test('content', () => {
+      it('renders file name correctly', () => {
-        expect(el.text()).toContain(props.name);
+        renderWithIntl(<FilePopoverContent {...props} />);
-        expect(el.text()).toContain(props.description);
+        expect(screen.getByText(props.name)).toBeInTheDocument();
-        expect(el.text()).toContain(filesize(props.size));
+      });
+
+      it('renders file description correctly', () => {
+        renderWithIntl(<FilePopoverContent {...props} />);
+        expect(screen.getByText(props.description)).toBeInTheDocument();
+      });
+
+      it('renders file size correctly', () => {
+        renderWithIntl(<FilePopoverContent {...props} />);
+        expect(screen.getByText(filesize(props.size))).toBeInTheDocument();
+      });
+
+      it('renders "Unknown" when size is null', () => {
+        renderWithIntl(<FilePopoverContent {...props} size={null} />);
+        expect(screen.getByText('Unknown')).toBeInTheDocument();
       });
     });
   });

src/components/FilePreview/Banners/ErrorBanner.jsx

@@ -1,8 +1,8 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { Alert, Button } from '@edx/paragon';
+import { Alert, Button } from '@openedx/paragon';
-import { Info } from '@edx/paragon/icons';
+import { Info } from '@openedx/paragon/icons';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 
 const messageShape = PropTypes.shape({

src/components/FilePreview/Banners/ErrorBanner.test.jsx

@@ -1,8 +1,6 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import { renderWithIntl } from '../../../testUtils';
-
 import ErrorBanner from './ErrorBanner';
-
 import messages from '../messages';
 
 describe('Error Banner component', () => {
@@ -25,35 +23,29 @@ describe('Error Banner component', () => {
     children,
   };
 
-  let el;
+  describe('behavior', () => {
-  beforeEach(() => {
+    it('renders children content', () => {
-    el = shallow(<ErrorBanner {...props} />);
+      renderWithIntl(<ErrorBanner {...props} />);
-  });
+      const childText = screen.getByText('Abitary Child');
-
+      expect(childText).toBeInTheDocument();
-  test('snapshot', () => {
-    expect(el).toMatchSnapshot();
-  });
-
-  describe('component', () => {
-    test('children node', () => {
-      expect(el.containsMatchingElement(children)).toEqual(true);
     });
 
-    test('verify actions', () => {
+    it('renders the correct number of action buttons', () => {
-      const actions = el.find('Alert').prop('actions');
+      renderWithIntl(<ErrorBanner {...props} />);
-      expect(actions).toHaveLength(props.actions.length);
+      const buttons = screen.getAllByText(messages.retryButton.defaultMessage);
-
+      expect(buttons).toHaveLength(2);
-      actions.forEach((action, index) => {
-        expect(action.type).toEqual('Button');
-        expect(action.props.onClick).toEqual(props.actions[index].onClick);
-        // action message
-        expect(action.props.children.props).toEqual(props.actions[index].message);
-      });
     });
 
-    test('verify heading', () => {
+    it('renders error heading with correct message', () => {
-      const heading = el.find('FormattedMessage');
+      renderWithIntl(<ErrorBanner {...props} />);
-      expect(heading.props()).toEqual(props.headingMessage);
+      const heading = screen.getAllByText(messages.unknownError.defaultMessage)[0];
+      expect(heading).toBeInTheDocument();
+    });
+
+    it('renders with danger variant', () => {
+      renderWithIntl(<ErrorBanner {...props} />);
+      const alert = screen.getByRole('alert');
+      expect(alert).toHaveClass('alert-danger');
     });
   });
 });

src/components/FilePreview/Banners/LoadingBanner.jsx

@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { Alert, Spinner } from '@edx/paragon';
+import { Alert, Spinner } from '@openedx/paragon';
 
 export const LoadingBanner = () => (
   <Alert variant="info">

src/components/FilePreview/Banners/LoadingBanner.test.jsx

@@ -1,11 +1,19 @@
-import React from 'react';
+import { render, screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
 import LoadingBanner from './LoadingBanner';
 
 describe('Loading Banner component', () => {
-  test('snapshot', () => {
+  describe('behavior', () => {
-    const el = shallow(<LoadingBanner />);
+    it('renders an info alert', () => {
-    expect(el).toMatchSnapshot();
+      render(<LoadingBanner />);
+      const alert = screen.getByRole('alert');
+      expect(alert).toHaveClass('alert-info');
+    });
+
+    it('renders a spinner', () => {
+      const { container } = render(<LoadingBanner />);
+      const spinner = container.querySelector('.pgn__spinner');
+      expect(spinner).toBeInTheDocument();
+      expect(spinner).toHaveClass('spinner-border');
+    });
   });
 });

src/components/FilePreview/Banners/__snapshots__/ErrorBanner.test.jsx.snap

@@ -1,42 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Error Banner component snapshot 1`] = `
-<Alert
-  actions={
-    Array [
-      <Button
-        onClick={[MockFunction action1.onClick]}
-        variant="outline-primary"
-      >
-        <FormattedMessage
-          defaultMessage="Retry"
-          description="Retry button for error in file renderer"
-          id="ora-grading.ResponseDisplay.FileRenderer.retryButton"
-        />
-      </Button>,
-      <Button
-        onClick={[MockFunction action2.onClick]}
-        variant="outline-primary"
-      >
-        <FormattedMessage
-          defaultMessage="Retry"
-          description="Retry button for error in file renderer"
-          id="ora-grading.ResponseDisplay.FileRenderer.retryButton"
-        />
-      </Button>,
-    ]
-  }
-  variant="danger"
->
-  <Alert.Heading>
-    <FormattedMessage
-      defaultMessage="Unknown errors"
-      description="Unknown errors message"
-      id="ora-grading.ResponseDisplay.FileRenderer.unknownError"
-    />
-  </Alert.Heading>
-  <p>
-    Abitary Child
-  </p>
-</Alert>
-`;

src/components/FilePreview/Banners/__snapshots__/LoadingBanner.test.jsx.snap

@@ -1,12 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Loading Banner component snapshot 1`] = `
-<Alert
-  variant="info"
->
-  <Spinner
-    animation="border"
-    className="d-flex m-auto"
-  />
-</Alert>
-`;

src/components/FilePreview/BaseRenderers/ImageRenderer.test.jsx

@@ -1,21 +1,40 @@
 import React from 'react';
-import { shallow } from 'enzyme';
+import { render, screen } from '@testing-library/react';
 
 import ImageRenderer from './ImageRenderer';
 
 describe('Image Renderer Component', () => {
   const props = {
     url: 'some_url.jpg',
+    fileName: 'test-image.jpg',
+    onError: jest.fn().mockName('this.props.onError'),
+    onSuccess: jest.fn().mockName('this.props.onSuccess'),
   };
 
-  props.onError = jest.fn().mockName('this.props.onError');
+  it('renders an image with the correct src and alt attributes', () => {
-  props.onSuccess = jest.fn().mockName('this.props.onSuccess');
+    render(<ImageRenderer {...props} />);
-
+    const imgElement = screen.getByRole('img');
-  let el;
+    expect(imgElement).toBeInTheDocument();
-  beforeEach(() => {
+    expect(imgElement).toHaveAttribute('src', props.url);
-    el = shallow(<ImageRenderer {...props} />);
+    expect(imgElement).toHaveAttribute('alt', props.fileName);
+    expect(imgElement).toHaveClass('image-renderer');
   });
-  test('snapshot', () => {
+
-    expect(el).toMatchSnapshot();
+  it('calls onSuccess when image loads successfully', () => {
+    render(<ImageRenderer {...props} />);
+
+    const imgElement = screen.getByRole('img');
+    imgElement.dispatchEvent(new Event('load'));
+
+    expect(props.onSuccess).toHaveBeenCalled();
+  });
+
+  it('calls onError when image fails to load', () => {
+    render(<ImageRenderer {...props} />);
+
+    const imgElement = screen.getByRole('img');
+    imgElement.dispatchEvent(new Event('error'));
+
+    expect(props.onError).toHaveBeenCalled();
   });
 });

src/components/FilePreview/BaseRenderers/PDFRenderer.jsx

@@ -1,17 +1,15 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-
+import { Document, Page, pdfjs } from 'react-pdf';
-import { pdfjs, Document, Page } from 'react-pdf';
 import {
   Icon, Form, ActionRow, IconButton,
-} from '@edx/paragon';
+} from '@openedx/paragon';
-import { ChevronLeft, ChevronRight } from '@edx/paragon/icons';
+import { ChevronLeft, ChevronRight } from '@openedx/paragon/icons';
-import pdfjsWorker from 'react-pdf/dist/esm/pdf.worker.entry';
 
 import 'react-pdf/dist/esm/Page/AnnotationLayer.css';
 import { rendererHooks } from './pdfHooks';
 
-pdfjs.GlobalWorkerOptions.workerSrc = pdfjsWorker;
+pdfjs.GlobalWorkerOptions.workerSrc = `//unpkg.com/pdfjs-dist@${pdfjs.version}/build/pdf.worker.min.js`;
 
 /**
  * <PDFRenderer />

src/components/FilePreview/BaseRenderers/PDFRenderer.test.jsx

@@ -1,16 +1,22 @@
-import React from 'react';
+import { Document, Page } from 'react-pdf';
-import { shallow } from 'enzyme';
+import { render } from '@testing-library/react';
-
+import PropTypes from 'prop-types';
 import PDFRenderer from './PDFRenderer';
-
 import * as hooks from './pdfHooks';
 
 jest.mock('react-pdf', () => ({
   pdfjs: { GlobalWorkerOptions: {} },
-  Document: () => 'Document',
+  Document: jest.fn(),
-  Page: () => 'Page',
+  Page: jest.fn(),
 }));
 
+Document.mockImplementation((props) => <div data-testid="pdf-document">{props.children}</div>);
+Document.propTypes = {
+  children: PropTypes.node,
+};
+
+Page.mockImplementation(() => <div data-testid="pdf-page">Page Content</div>);
+
 jest.mock('./pdfHooks', () => ({
   rendererHooks: jest.fn(),
 }));
@@ -33,25 +39,45 @@ describe('PDF Renderer Component', () => {
     onNextPageButtonClick: jest.fn().mockName('hooks.onNextPageButtonClick'),
     onPrevPageButtonClick: jest.fn().mockName('hooks.onPrevPageButtonClick'),
     hasNext: true,
-    hasPref: false,
+    hasPrev: false,
   };
 
   beforeEach(() => {
     jest.clearAllMocks();
   });
-  describe('snapshots', () => {
+
-    test('first page, prev is disabled', () => {
+  describe('rendering', () => {
+    it('should render the PDF document with navigation controls', () => {
       hooks.rendererHooks.mockReturnValue(hookProps);
-      expect(shallow(<PDFRenderer {...props} />)).toMatchSnapshot();
+      const { getByTestId, getAllByText, container } = render(<PDFRenderer {...props} />);
+      expect(getByTestId('pdf-document')).toBeInTheDocument();
+      expect(getByTestId('pdf-page')).toBeInTheDocument();
+      expect(container.querySelector('input[type="number"]')).toBeInTheDocument();
+      expect(getAllByText(/Page/).length).toBeGreaterThan(0);
+      expect(getAllByText(`of ${hookProps.numPages}`).length).toBeGreaterThan(0);
     });
-    test('on last page, next is disabled', () => {
+
+    it('should have disabled previous button when on the first page', () => {
+      hooks.rendererHooks.mockReturnValue({
+        ...hookProps,
+        hasPrev: false,
+      });
+
+      const { container } = render(<PDFRenderer {...props} />);
+      const prevButton = container.querySelector('button[aria-label="previous pdf page"]');
+      expect(prevButton).toBeDisabled();
+    });
+
+    it('should have disabled next button when on the last page', () => {
       hooks.rendererHooks.mockReturnValue({
         ...hookProps,
-        pageNumber: hookProps.numPages,
         hasNext: false,
         hasPrev: true,
       });
-      expect(shallow(<PDFRenderer {...props} />)).toMatchSnapshot();
+
+      const { container } = render(<PDFRenderer {...props} />);
+      const nextButton = container.querySelector('button[aria-label="next pdf page"]');
+      expect(nextButton).toBeDisabled();
     });
   });
 });

src/components/FilePreview/BaseRenderers/TXTRenderer.test.jsx

@@ -1,23 +1,38 @@
-import React from 'react';
+import { render } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
 import TXTRenderer from './TXTRenderer';
 
 jest.mock('./textHooks', () => {
-  const content = 'test-content';
+  const mockRendererHooks = jest.fn().mockReturnValue({ content: 'test-content' });
   return {
-    content,
+    rendererHooks: mockRendererHooks,
-    rendererHooks: (args) => ({ content, rendererHooks: args }),
   };
 });
 
+const textHooks = require('./textHooks');
+
 describe('TXT Renderer Component', () => {
   const props = {
     url: 'some_url.txt',
     onError: jest.fn().mockName('this.props.onError'),
     onSuccess: jest.fn().mockName('this.props.onSuccess'),
   };
-  test('snapshot', () => {
+
-    expect(shallow(<TXTRenderer {...props} />)).toMatchSnapshot();
+  beforeEach(() => {
+    textHooks.rendererHooks.mockClear();
+  });
+
+  it('renders the text content in a pre element', () => {
+    const { getByText, container } = render(<TXTRenderer {...props} />);
+    expect(getByText('test-content')).toBeInTheDocument();
+    expect(container.querySelector('pre')).toHaveClass('txt-renderer');
+  });
+
+  it('passes the correct props to rendererHooks', () => {
+    render(<TXTRenderer {...props} />);
+    expect(textHooks.rendererHooks).toHaveBeenCalledWith({
+      url: props.url,
+      onError: props.onError,
+      onSuccess: props.onSuccess,
+    });
   });
 });

src/components/FilePreview/BaseRenderers/__snapshots__/ImageRenderer.test.jsx.snap

@@ -1,11 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Image Renderer Component snapshot 1`] = `
-<img
-  alt=""
-  className="image-renderer"
-  onError={[MockFunction this.props.onError]}
-  onLoad={[MockFunction this.props.onSuccess]}
-  src="some_url.jpg"
-/>
-`;

src/components/FilePreview/BaseRenderers/__snapshots__/PDFRenderer.test.jsx.snap

@@ -1,137 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`PDF Renderer Component snapshots first page, prev is disabled 1`] = `
-<div
-  className="pdf-renderer"
->
-  <Document
-    file="some_url.pdf"
-    onLoadError={[MockFunction hooks.onDocumentLoadError]}
-    onLoadSuccess={[MockFunction hooks.onDocumentLoadSuccess]}
-  >
-    <div
-      className="page-wrapper"
-      style={
-        Object {
-          "height": 200,
-        }
-      }
-    >
-      <Page
-        onLoadSuccess={[MockFunction hooks.onLoadPageSuccess]}
-        pageNumber={1}
-      />
-    </div>
-  </Document>
-  <ActionRow
-    className="d-flex justify-content-center m-0"
-  >
-    <IconButton
-      alt="previous pdf page"
-      disabled={true}
-      iconAs="Icon"
-      onClick={[MockFunction hooks.onPrevPageButtonClick]}
-      size="inline"
-      src={[MockFunction icons.ChevronLeft]}
-    />
-    <Form.Group
-      className="d-flex align-items-center m-0"
-    >
-      <Form.Label
-        isInline={true}
-      >
-        Page 
-      </Form.Label>
-      <Form.Control
-        max={10}
-        min={0}
-        onChange={[MockFunction hooks.onInputPageChange]}
-        type="number"
-        value={1}
-      />
-      <Form.Label
-        isInline={true}
-      >
-         of 
-        10
-      </Form.Label>
-    </Form.Group>
-    <IconButton
-      alt="next pdf page"
-      disabled={false}
-      iconAs="Icon"
-      onClick={[MockFunction hooks.onNextPageButtonClick]}
-      size="inline"
-      src={[MockFunction icons.ChevronRight]}
-    />
-  </ActionRow>
-</div>
-`;
-
-exports[`PDF Renderer Component snapshots on last page, next is disabled 1`] = `
-<div
-  className="pdf-renderer"
->
-  <Document
-    file="some_url.pdf"
-    onLoadError={[MockFunction hooks.onDocumentLoadError]}
-    onLoadSuccess={[MockFunction hooks.onDocumentLoadSuccess]}
-  >
-    <div
-      className="page-wrapper"
-      style={
-        Object {
-          "height": 200,
-        }
-      }
-    >
-      <Page
-        onLoadSuccess={[MockFunction hooks.onLoadPageSuccess]}
-        pageNumber={10}
-      />
-    </div>
-  </Document>
-  <ActionRow
-    className="d-flex justify-content-center m-0"
-  >
-    <IconButton
-      alt="previous pdf page"
-      disabled={false}
-      iconAs="Icon"
-      onClick={[MockFunction hooks.onPrevPageButtonClick]}
-      size="inline"
-      src={[MockFunction icons.ChevronLeft]}
-    />
-    <Form.Group
-      className="d-flex align-items-center m-0"
-    >
-      <Form.Label
-        isInline={true}
-      >
-        Page 
-      </Form.Label>
-      <Form.Control
-        max={10}
-        min={0}
-        onChange={[MockFunction hooks.onInputPageChange]}
-        type="number"
-        value={10}
-      />
-      <Form.Label
-        isInline={true}
-      >
-         of 
-        10
-      </Form.Label>
-    </Form.Group>
-    <IconButton
-      alt="next pdf page"
-      disabled={true}
-      iconAs="Icon"
-      onClick={[MockFunction hooks.onNextPageButtonClick]}
-      size="inline"
-      src={[MockFunction icons.ChevronRight]}
-    />
-  </ActionRow>
-</div>
-`;

src/components/FilePreview/BaseRenderers/__snapshots__/TXTRenderer.test.jsx.snap

@@ -1,9 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`TXT Renderer Component snapshot 1`] = `
-<pre
-  className="txt-renderer"
->
-  test-content
-</pre>
-`;

src/components/FilePreview/BaseRenderers/pdfHooks.jsx

@@ -1,16 +1,11 @@
 import { useState, useRef } from 'react';
 
-import { pdfjs } from 'react-pdf';
-import pdfjsWorker from 'react-pdf/dist/esm/pdf.worker.entry';
-
 import 'react-pdf/dist/esm/Page/AnnotationLayer.css';
 
 import { ErrorStatuses } from 'data/constants/requests';
 import { StrictDict } from 'utils';
 import * as module from './pdfHooks';
 
-pdfjs.GlobalWorkerOptions.workerSrc = pdfjsWorker;
-
 export const errors = StrictDict({
   missingPDF: 'MissingPDFException',
 });

src/components/FilePreview/BaseRenderers/pdfHooks.test.js

@@ -12,6 +12,11 @@ jest.mock('react-pdf', () => ({
   Page: () => 'Page',
 }));
 
+jest.mock('react', () => ({
+  ...jest.requireActual('react'),
+  useRef: jest.fn((val) => ({ current: val, useRef: true })),
+}));
+
 const state = new MockUseState(hooks);
 const hookKeys = keyStore(hooks);
 

src/components/FilePreview/BaseRenderers/textHooks.js

@@ -18,7 +18,7 @@ export const fetchFile = async ({
     onSuccess();
     setContent(data);
   })
-  .catch((e) => onError(e.response.status));
+  .catch((e) => onError(e.response?.status));
 
 export const rendererHooks = ({ url, onError, onSuccess }) => {
   const [content, setContent] = module.state.content('');

src/components/FilePreview/BaseRenderers/textHooks.test.js

@@ -10,6 +10,11 @@ jest.mock('axios', () => ({
   get: jest.fn(),
 }));
 
+jest.mock('react', () => ({
+  ...jest.requireActual('react'),
+  useEffect: jest.fn((cb, prereqs) => ({ useEffect: { cb, prereqs } })),
+}));
+
 const hookKeys = keyStore(hooks);
 const state = new MockUseState(hooks);
 

src/components/FilePreview/FileCard.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { Card, Collapsible } from '@edx/paragon';
+import { Card, Collapsible } from '@openedx/paragon';
 import FilePopoverContent from 'components/FilePopoverContent';
 import FileInfo from './FileInfo';
 
@@ -17,7 +17,7 @@ export const FileCard = ({ file, children }) => (
       defaultOpen
       title={<h3 className="file-card-title">{file.name}</h3>}
     >
-      <div className="preview-panel">
+      <div className="preview-panel" data-testid="preview-panel">
         <FileInfo><FilePopoverContent {...file} /></FileInfo>
         {children}
       </div>

src/components/FilePreview/FileCard.scss

@@ -1,7 +1,5 @@
-@import "@edx/paragon/scss/core/core";
-
 .file-card {
-  margin: map-get($spacers, 1) 0;
+  margin: var(--pgn-spacing-spacer-1) 0;
 
   .file-card-title {
     text-overflow: ellipsis;
@@ -26,8 +24,8 @@
   white-space: pre-wrap;
 }
 
-@include media-breakpoint-down(sm) {
+@media (--pgn-size-breakpoint-max-width-sm) {
   .file-card-title {
-    width: calc(map-get($container-max-widths, "sm")/2);
+    width: calc(var(--pgn-size-container-max-width-sm)/2);
   }
-}
+}

src/components/FilePreview/FileCard.test.jsx

@@ -1,10 +1,4 @@
-import React from 'react';
+import { render, screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
-import { Collapsible } from '@edx/paragon';
-
-import FilePopoverContent from 'components/FilePopoverContent';
-import FileInfo from './FileInfo';
 import FileCard from './FileCard';
 
 jest.mock('components/FilePopoverContent', () => 'FilePopoverContent');
@@ -19,24 +13,27 @@ describe('File Preview Card component', () => {
     },
   };
   const children = (<h1>some children</h1>);
-  let el;
+
-  beforeEach(() => {
-    el = shallow(<FileCard {...props}>{children}</FileCard>);
-  });
-  test('snapshot', () => {
-    expect(el).toMatchSnapshot();
-  });
   describe('Component', () => {
-    test('collapsible title is name header', () => {
+    it('renders with the file name in the title', () => {
-      const title = el.find(Collapsible).prop('title');
+      render(<FileCard {...props}>{children}</FileCard>);
-      expect(title).toEqual(<h3 className="file-card-title">{props.file.name}</h3>);
+      expect(screen.getByText(props.file.name)).toBeInTheDocument();
+      expect(screen.getByText(props.file.name)).toHaveClass('file-card-title');
     });
-    test('forwards children into preview-panel', () => {
+
-      const previewPanelChildren = el.find('.preview-panel').children();
+    it('renders the preview panel with file info', () => {
-      expect(previewPanelChildren.at(0).equals(
+      render(<FileCard {...props}>{children}</FileCard>);
-        <FileInfo><FilePopoverContent file={props.file} /></FileInfo>,
+      const previewPanel = screen.getByTestId('preview-panel');
-      ));
+      expect(previewPanel).toBeInTheDocument();
-      expect(previewPanelChildren.at(1).equals(children)).toEqual(true);
+      expect(document.querySelector('FileInfo')).toBeInTheDocument();
+      expect(document.querySelector('FilePopoverContent')).toBeInTheDocument();
+    });
+
+    it('renders children in the preview panel', () => {
+      render(<FileCard {...props}>{children}</FileCard>);
+      const previewPanel = screen.getByTestId('preview-panel');
+      expect(previewPanel).toBeInTheDocument();
+      expect(screen.getByText('some children')).toBeInTheDocument();
     });
   });
 });

src/components/FilePreview/FileInfo.jsx

@@ -5,8 +5,8 @@ import {
   Button,
   OverlayTrigger,
   Popover,
-} from '@edx/paragon';
+} from '@openedx/paragon';
-import { InfoOutline } from '@edx/paragon/icons';
+import { InfoOutline } from '@openedx/paragon/icons';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 import { nullMethod } from 'hooks';
 import messages from './messages';

src/components/FilePreview/FileInfo.test.jsx

@@ -1,25 +1,29 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import userEvent from '@testing-library/user-event';
-
+import { renderWithIntl } from '../../testUtils';
-import { Popover } from '@edx/paragon';
 
 import FileInfo from './FileInfo';
+import messages from './messages';
 
-describe('File Preview Card component', () => {
+describe('FileInfo component', () => {
   const children = (<h1>some Children</h1>);
   const props = { onClick: jest.fn().mockName('this.props.onClick') };
-  let el;
+
   beforeEach(() => {
-    el = shallow(<FileInfo {...props}>{children}</FileInfo>);
+    jest.clearAllMocks();
   });
-  test('snapshot', () => {
+
-    expect(el).toMatchSnapshot();
+  describe('Component rendering', () => {
-  });
+    it('renders the FileInfo button with correct text', () => {
-  describe('Component', () => {
+      renderWithIntl(<FileInfo {...props}>{children}</FileInfo>);
-    test('overlay with passed children', () => {
+      expect(screen.getByText(messages.fileInfo.defaultMessage)).toBeInTheDocument();
-      const { overlay } = el.at(0).props();
+    });
-      expect(overlay.type).toEqual(Popover);
+
-      expect(overlay.props.children).toEqual(<Popover.Content>{children}</Popover.Content>);
+    it('calls onClick when button is clicked', async () => {
+      renderWithIntl(<FileInfo {...props}>{children}</FileInfo>);
+      const user = userEvent.setup();
+      await user.click(screen.getByText(messages.fileInfo.defaultMessage));
+      expect(props.onClick).toHaveBeenCalledTimes(1);
     });
   });
 });

src/components/FilePreview/FileRenderer.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { useIntl } from '@edx/frontend-platform/i18n';
 
 import FileCard from './FileCard';
 import { ErrorBanner, LoadingBanner } from './Banners';
@@ -12,8 +12,8 @@ import { renderHooks } from './hooks';
  */
 export const FileRenderer = ({
   file,
-  intl,
 }) => {
+  const intl = useIntl();
   const {
     Renderer,
     isLoading,
@@ -39,8 +39,6 @@ FileRenderer.propTypes = {
     name: PropTypes.string,
     downloadUrl: PropTypes.string,
   }).isRequired,
-  // injected
-  intl: intlShape.isRequired,
 };
 
-export default injectIntl(FileRenderer);
+export default FileRenderer;

src/components/FilePreview/FileRenderer.test.jsx

@@ -1,53 +1,79 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
-import { formatMessage } from 'testUtils';
 import { keyStore } from 'utils';
 import { ErrorStatuses } from 'data/constants/requests';
-
+import { renderWithIntl } from '../../testUtils';
 import { FileRenderer } from './FileRenderer';
 import * as hooks from './hooks';
 
-jest.mock('./FileCard', () => 'FileCard');
-jest.mock('./Banners', () => ({
-  ErrorBanner: () => 'ErrorBanner',
-  LoadingBanner: () => 'LoadingBanner',
-}));
-
 const hookKeys = keyStore(hooks);
 
 const props = {
   file: {
     downloadUrl: 'file download url',
     name: 'filename.txt',
+    description: 'A text file',
   },
-  intl: { formatMessage },
 };
 describe('FileRenderer', () => {
   describe('component', () => {
-    describe('snapshot', () => {
+    it('renders loading banner when isLoading is true', () => {
-      test('isLoading, no Error', () => {
+      const hookProps = {
-        const hookProps = {
+        Renderer: () => <div data-testid="mock-renderer">Renderer Component</div>,
-          Renderer: () => 'Renderer',
+        isLoading: true,
-          isloading: true,
+        errorStatus: null,
-          errorStatus: null,
+        error: null,
-          error: null,
+        rendererProps: { prop: 'hooks.rendererProps' },
-          rendererProps: { prop: 'hooks.rendererProps' },
+      };
-        };
+      jest.spyOn(hooks, hookKeys.renderHooks).mockReturnValueOnce(hookProps);
-        jest.spyOn(hooks, hookKeys.renderHooks).mockReturnValueOnce(hookProps);
+      renderWithIntl(<FileRenderer {...props} />);
-        expect(shallow(<FileRenderer {...props} />)).toMatchSnapshot();
+
-      });
+      expect(screen.getByText('filename.txt')).toBeInTheDocument();
-      test('is not loading, with error', () => {
+      expect(screen.getByTestId('mock-renderer')).toBeInTheDocument();
-        const hookProps = {
+      const spinner = document.querySelector('.spinner-border');
-          Renderer: () => 'Renderer',
+      expect(spinner).toBeInTheDocument();
-          isloading: false,
+    });
-          errorStatus: ErrorStatuses.serverError,
+    it('renders error banner when there is an error status', () => {
-          error: { prop: 'hooks.errorProps' },
+      const errorProps = {
-          rendererProps: { prop: 'hooks.rendererProps' },
+        headingMessage: { id: 'error.heading', defaultMessage: 'Error Heading' },
-        };
+        children: 'Error Message',
-        jest.spyOn(hooks, hookKeys.renderHooks).mockReturnValueOnce(hookProps);
+        actions: [{ id: 'retry', onClick: jest.fn(), message: { id: 'retry', defaultMessage: 'Retry' } }],
-        expect(shallow(<FileRenderer {...props} />)).toMatchSnapshot();
+      };
-      });
+
+      const hookProps = {
+        Renderer: () => <div data-testid="mock-renderer">Renderer Component</div>,
+        isLoading: false,
+        errorStatus: ErrorStatuses.serverError,
+        error: errorProps,
+        rendererProps: { prop: 'hooks.rendererProps' },
+      };
+      jest.spyOn(hooks, hookKeys.renderHooks).mockReturnValueOnce(hookProps);
+
+      renderWithIntl(<FileRenderer {...props} />);
+
+      expect(screen.getByText('filename.txt')).toBeInTheDocument();
+      expect(screen.getByText('Error Message')).toBeInTheDocument();
+      expect(document.querySelector('.alert-heading')).toBeInTheDocument();
+      expect(document.querySelector('.btn.btn-outline-primary')).toBeInTheDocument();
+    });
+
+    it('renders renderer component when not loading and no error', () => {
+      const hookProps = {
+        Renderer: () => <div data-testid="mock-renderer">Renderer Component</div>,
+        isLoading: false,
+        errorStatus: null,
+        error: null,
+        rendererProps: { prop: 'hooks.rendererProps' },
+      };
+      jest.spyOn(hooks, hookKeys.renderHooks).mockReturnValueOnce(hookProps);
+
+      renderWithIntl(<FileRenderer {...props} />);
+
+      expect(screen.getByText('filename.txt')).toBeInTheDocument();
+      expect(screen.getByTestId('mock-renderer')).toBeInTheDocument();
+      expect(screen.getByText('Renderer Component')).toBeInTheDocument();
+
+      const spinner = document.querySelector('.spinner-border');
+      expect(spinner).not.toBeInTheDocument();
     });
   });
 });

src/components/FilePreview/__snapshots__/FileCard.test.jsx.snap

@@ -1,35 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`File Preview Card component snapshot 1`] = `
-<Card
-  className="file-card"
-  key="test-file-name.pdf"
->
-  <Collapsible
-    className="file-collapsible"
-    defaultOpen={true}
-    title={
-      <h3
-        className="file-card-title"
-      >
-        test-file-name.pdf
-      </h3>
-    }
-  >
-    <div
-      className="preview-panel"
-    >
-      <FileInfo>
-        <FilePopoverContent
-          description="test-file description"
-          downloadUrl="destination/test-file-name.pdf"
-          name="test-file-name.pdf"
-        />
-      </FileInfo>
-      <h1>
-        some children
-      </h1>
-    </div>
-  </Collapsible>
-</Card>
-`;

src/components/FilePreview/__snapshots__/FileInfo.test.jsx.snap

@@ -1,34 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`File Preview Card component snapshot 1`] = `
-<OverlayTrigger
-  flip={true}
-  overlay={
-    <Popover
-      className="overlay-help-popover"
-      id="file-popover"
-    >
-      <Popover.Content>
-        <h1>
-          some Children
-        </h1>
-      </Popover.Content>
-    </Popover>
-  }
-  placement="right-end"
-  trigger="focus"
->
-  <Button
-    iconAfter={[MockFunction icons.InfoOutline]}
-    onClick={[MockFunction this.props.onClick]}
-    size="sm"
-    variant="tertiary"
-  >
-    <FormattedMessage
-      defaultMessage="File info"
-      description="Popover trigger button text for file preview card"
-      id="ora-grading.InfoPopover.fileInfo"
-    />
-  </Button>
-</OverlayTrigger>
-`;

src/components/FilePreview/__snapshots__/FileRenderer.test.jsx.snap

@@ -1,33 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`FileRenderer component snapshot is not loading, with error 1`] = `
-<FileCard
-  file={
-    Object {
-      "downloadUrl": "file download url",
-      "name": "filename.txt",
-    }
-  }
-  key="file download url"
->
-  <ErrorBanner
-    prop="hooks.errorProps"
-  />
-</FileCard>
-`;
-
-exports[`FileRenderer component snapshot isLoading, no Error 1`] = `
-<FileCard
-  file={
-    Object {
-      "downloadUrl": "file download url",
-      "name": "filename.txt",
-    }
-  }
-  key="file download url"
->
-  <Renderer
-    prop="hooks.rendererProps"
-  />
-</FileCard>
-`;

src/components/FilePreview/hooks.js

@@ -79,7 +79,7 @@ export const renderHooks = ({
     message: messages.retryButton,
   };
   const error = {
-    headerMessage: errorMessage,
+    headingMessage: errorMessage,
     children: intl.formatMessage(errorMessage),
     actions: [errorAction],
   };

src/components/FilePreview/hooks.test.js

@@ -55,7 +55,7 @@ describe('FilePreview hooks', () => {
           });
           describe('error', () => {
             it('loads message from current error status, if valid, else from serverError', () => {
-              expect(hook.error.headerMessage).toEqual(
+              expect(hook.error.headingMessage).toEqual(
                 hooks.ERROR_STATUSES[ErrorStatuses.serverError],
               );
               expect(hook.error.children).toEqual(
@@ -63,7 +63,7 @@ describe('FilePreview hooks', () => {
               );
               state.mockVal(state.keys.errorStatus, ErrorStatuses.notFound);
               hook = hooks.renderHooks({ intl: { formatMessage }, file });
-              expect(hook.error.headerMessage).toEqual(
+              expect(hook.error.headingMessage).toEqual(
                 hooks.ERROR_STATUSES[ErrorStatuses.notFound],
               );
               expect(hook.error.children).toEqual(

src/components/Head/__snapshots__/index.test.jsx.snap

@@ -1,14 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Head snapshot 1`] = `
-<Helmet>
-  <title>
-    ORA staff grading | site-name
-  </title>
-  <link
-    href="favicon-url"
-    rel="shortcut icon"
-    type="image/x-icon"
-  />
-</Helmet>
-`;

src/components/Head/index.test.jsx

@@ -1,25 +1,45 @@
-import React from 'react';
+import { render } from '@testing-library/react';
-import { getConfig } from '@edx/frontend-platform';
+import { Helmet } from 'react-helmet';
-import { shallow } from 'enzyme';
 import Head from '.';
 
-jest.mock('react-helmet', () => ({
+jest.mock('@edx/frontend-platform/i18n', () => ({
-  Helmet: 'Helmet',
+  useIntl: () => ({
+    formatMessage: (message, values) => {
+      if (message.defaultMessage && values) {
+        return message.defaultMessage.replace('{siteName}', values.siteName);
+      }
+      return message.defaultMessage || message.id;
+    },
+  }),
+  defineMessages: (messages) => messages,
 }));
 
+jest.mock('react-helmet', () => ({
+  Helmet: jest.fn(),
+}));
+
+Helmet.mockImplementation(({ children }) => <div data-testid="helmet-mock">{children}</div>);
+
 jest.mock('@edx/frontend-platform', () => ({
-  getConfig: () => ({
+  getConfig: jest.fn().mockReturnValue({
     SITE_NAME: 'site-name',
     FAVICON_URL: 'favicon-url',
   }),
 }));
 
 describe('Head', () => {
-  it('snapshot', () => {
+  it('should render page title with site name from config', () => {
-    const el = shallow(<Head />);
+    const { container } = render(<Head />);
-    expect(el).toMatchSnapshot();
+    const titleElement = container.querySelector('title');
+    expect(titleElement).toBeInTheDocument();
+    expect(titleElement.textContent).toContain('ORA staff grading | site-name');
+  });
 
-    expect(el.find('title').text()).toContain(getConfig().SITE_NAME);
+  it('should render favicon link with URL from config', () => {
-    expect(el.find('link').prop('href')).toEqual(getConfig().FAVICON_URL);
+    const { container } = render(<Head />);
+    const faviconLink = container.querySelector('link[rel="shortcut icon"]');
+    expect(faviconLink).toBeInTheDocument();
+    expect(faviconLink.getAttribute('href')).toEqual('favicon-url');
+    expect(faviconLink.getAttribute('type')).toEqual('image/x-icon');
   });
 });

src/components/InfoPopover/__snapshots__/index.test.jsx.snap

@@ -1,29 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Info Popover Component snapshot 1`] = `
-<OverlayTrigger
-  flip={true}
-  overlay={
-    <Popover
-      className="overlay-help-popover"
-      id="info-popover"
-    >
-      <Popover.Content>
-        <div>
-          Children component
-        </div>
-      </Popover.Content>
-    </Popover>
-  }
-  placement="right-end"
-  trigger="focus"
->
-  <IconButton
-    alt="Display more info"
-    className="esg-help-icon"
-    iconAs="Icon"
-    onClick={[MockFunction this.props.onClick]}
-    src={[MockFunction icons.InfoOutline]}
-  />
-</OverlayTrigger>
-`;

src/components/InfoPopover/index.jsx

@@ -6,9 +6,9 @@ import {
   Popover,
   Icon,
   IconButton,
-} from '@edx/paragon';
+} from '@openedx/paragon';
-import { InfoOutline } from '@edx/paragon/icons';
+import { InfoOutline } from '@openedx/paragon/icons';
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { useIntl } from '@edx/frontend-platform/i18n';
 
 import { nullMethod } from 'hooks';
 
@@ -17,26 +17,35 @@ import messages from './messages';
 /**
  * <InfoPopover />
  */
-export const InfoPopover = ({ onClick, children, intl }) => (
+export const InfoPopover = (
-  <OverlayTrigger
+  {
-    trigger="focus"
+    onClick,
-    placement="right-end"
+    children,
-    flip
+  },
-    overlay={(
+) => {
-      <Popover id="info-popover" className="overlay-help-popover">
+  const intl = useIntl();
-        <Popover.Content>{children}</Popover.Content>
+  return (
-      </Popover>
+    <OverlayTrigger
-    )}
+      trigger="focus"
-  >
+      placement="left-end"
-    <IconButton
+      flip
-      className="esg-help-icon"
+      overlay={(
-      src={InfoOutline}
+        <Popover id="info-popover" className="overlay-help-popover">
-      alt={intl.formatMessage(messages.altText)}
+          <Popover.Content>{children}</Popover.Content>
-      iconAs={Icon}
+        </Popover>
-      onClick={onClick}
+      )}
-    />
+    >
-  </OverlayTrigger>
+      <IconButton
-);
+        className="esg-help-icon"
+        data-testid="esg-help-icon"
+        src={InfoOutline}
+        alt={intl.formatMessage(messages.altText)}
+        iconAs={Icon}
+        onClick={onClick}
+      />
+    </OverlayTrigger>
+  );
+};
 
 InfoPopover.defaultProps = {
   onClick: nullMethod,
@@ -47,7 +56,6 @@ InfoPopover.propTypes = {
     PropTypes.arrayOf(PropTypes.node),
     PropTypes.node,
   ]).isRequired,
-  intl: intlShape.isRequired,
 };
 
-export default injectIntl(InfoPopover);
+export default InfoPopover;

src/components/InfoPopover/index.test.jsx

@@ -1,23 +1,31 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import userEvent from '@testing-library/user-event';
-
+import { renderWithIntl } from '../../testUtils';
-import { formatMessage } from 'testUtils';
 import { InfoPopover } from '.';
 
 describe('Info Popover Component', () => {
   const child = <div>Children component</div>;
   const onClick = jest.fn().mockName('this.props.onClick');
-  let el;
+
-  beforeEach(() => {
-    el = shallow(<InfoPopover onClick={onClick} intl={{ formatMessage }}>{child}</InfoPopover>);
-  });
-  test('snapshot', () => {
-    expect(el).toMatchSnapshot();
-  });
   describe('Component', () => {
-    test('Test component render', () => {
+    it('renders the help icon button', () => {
-      expect(el.length).toEqual(1);
+      renderWithIntl(
-      expect(el.find('.esg-help-icon').length).toEqual(1);
+        <InfoPopover onClick={onClick}>
+          {child}
+        </InfoPopover>,
+      );
+      expect(screen.getByTestId('esg-help-icon')).toBeInTheDocument();
+    });
+
+    it('calls onClick when the help icon is clicked', async () => {
+      renderWithIntl(
+        <InfoPopover onClick={onClick}>
+          {child}
+        </InfoPopover>,
+      );
+      const user = userEvent.setup();
+      await user.click(screen.getByTestId('esg-help-icon'));
+      expect(onClick).toHaveBeenCalled();
     });
   });
 });

src/components/LoadingMessage.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { Spinner } from '@edx/paragon';
+import { Spinner } from '@openedx/paragon';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 
 /**

src/components/StatusBadge.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { Badge } from '@edx/paragon';
+import { Badge } from '@openedx/paragon';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 
 import { StrictDict } from 'utils';

src/components/StatusBadge.test.jsx

@@ -1,34 +1,36 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
 import { gradingStatuses } from 'data/services/lms/constants';
+import messages from '../data/services/lms/messages';
+import { renderWithIntl } from '../testUtils';
 import { StatusBadge } from './StatusBadge';
 
 const className = 'test-className';
 describe('StatusBadge component', () => {
-  const render = (status) => shallow(<StatusBadge className={className} status={status} />);
   describe('behavior', () => {
     it('does not render if status does not have configured variant', () => {
-      const el = render('arbitrary');
+      const { container } = renderWithIntl(<StatusBadge className={className} status="arbitrary" />);
-      expect(el).toMatchSnapshot();
+      expect(container.firstChild).toBeNull();
-      expect(el.isEmptyRender()).toEqual(true);
     });
-    describe('status snapshots: loads badge with configured variant and message.', () => {
+    describe('status rendering: loads badge with configured variant and message', () => {
-      test('`ungraded` shows primary button variant and message', () => {
+      it('`ungraded` shows primary button variant and message', () => {
-        const el = render(gradingStatuses.ungraded);
+        renderWithIntl(<StatusBadge className={className} status={gradingStatuses.ungraded} />);
-        expect(el).toMatchSnapshot();
+        const badge = screen.getByText(messages.ungraded.defaultMessage);
+        expect(badge).toHaveClass('badge-primary');
       });
-      test('`locked` shows light button variant and message', () => {
+      it('`locked` shows light button variant and message', () => {
-        const el = render(gradingStatuses.locked);
+        renderWithIntl(<StatusBadge className={className} status={gradingStatuses.locked} />);
-        expect(el).toMatchSnapshot();
+        const badge = screen.getByText(messages.locked.defaultMessage);
+        expect(badge).toHaveClass('badge-light');
       });
-      test('`graded` shows success button variant and message', () => {
+      it('`graded` shows success button variant and message', () => {
-        const el = render(gradingStatuses.graded);
+        renderWithIntl(<StatusBadge className={className} status={gradingStatuses.graded} />);
-        expect(el).toMatchSnapshot();
+        const badge = screen.getByText(messages.graded.defaultMessage);
+        expect(badge).toHaveClass('badge-success');
       });
-      test('`inProgress` shows warning button variant and message', () => {
+      it('`inProgress` shows warning button variant and message', () => {
-        const el = render(gradingStatuses.inProgress);
+        renderWithIntl(<StatusBadge className={className} status={gradingStatuses.inProgress} />);
-        expect(el).toMatchSnapshot();
+        const badge = screen.getByText(messages['in-progress'].defaultMessage);
+        expect(badge).toHaveClass('badge-warning');
       });
     });
   });

src/components/__snapshots__/ConfirmModal.test.jsx.snap

@@ -1,59 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`ConfirmModal snapshot: closed 1`] = `
-<AlertModal
-  className="confirm-modal"
-  footerNode={
-    <ActionRow>
-      <Button
-        onClick={[MockFunction this.props.onCancel]}
-        variant="tertiary"
-      >
-        test-cancel-text
-      </Button>
-      <Button
-        onClick={[MockFunction this.props.onConfirm]}
-        variant="primary"
-      >
-        test-confirm-text
-      </Button>
-    </ActionRow>
-  }
-  isOpen={false}
-  onClose={[MockFunction hooks.nullMethod]}
-  title="test-title"
->
-  <p>
-    test-content
-  </p>
-</AlertModal>
-`;
-
-exports[`ConfirmModal snapshot: open 1`] = `
-<AlertModal
-  className="confirm-modal"
-  footerNode={
-    <ActionRow>
-      <Button
-        onClick={[MockFunction this.props.onCancel]}
-        variant="tertiary"
-      >
-        test-cancel-text
-      </Button>
-      <Button
-        onClick={[MockFunction this.props.onConfirm]}
-        variant="primary"
-      >
-        test-confirm-text
-      </Button>
-    </ActionRow>
-  }
-  isOpen={true}
-  onClose={[MockFunction hooks.nullMethod]}
-  title="test-title"
->
-  <p>
-    test-content
-  </p>
-</AlertModal>
-`;

src/components/__snapshots__/StatusBadge.test.jsx.snap

@@ -1,55 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`StatusBadge component behavior does not render if status does not have configured variant 1`] = `""`;
-
-exports[`StatusBadge component behavior status snapshots: loads badge with configured variant and message. \`graded\` shows success button variant and message 1`] = `
-<Badge
-  className="test-className"
-  variant="success"
->
-  <FormattedMessage
-    defaultMessage="Grading Completed"
-    description="Grading status label for graded submission"
-    id="ora-grading.lms-api.gradingStatusDisplay.graded"
-  />
-</Badge>
-`;
-
-exports[`StatusBadge component behavior status snapshots: loads badge with configured variant and message. \`inProgress\` shows warning button variant and message 1`] = `
-<Badge
-  className="test-className"
-  variant="warning"
->
-  <FormattedMessage
-    defaultMessage="You are currently grading this response"
-    description="Grading status label for in-progress submission"
-    id="ora-grading.lms-api.gradingStatusDisplay.inProgress"
-  />
-</Badge>
-`;
-
-exports[`StatusBadge component behavior status snapshots: loads badge with configured variant and message. \`locked\` shows light button variant and message 1`] = `
-<Badge
-  className="test-className"
-  variant="light"
->
-  <FormattedMessage
-    defaultMessage="Currently being graded by someone else"
-    description="Grading status label for locked submission"
-    id="ora-grading.lms-api.gradingStatusDisplay.locked"
-  />
-</Badge>
-`;
-
-exports[`StatusBadge component behavior status snapshots: loads badge with configured variant and message. \`ungraded\` shows primary button variant and message 1`] = `
-<Badge
-  className="test-className"
-  variant="primary"
->
-  <FormattedMessage
-    defaultMessage="Ungraded"
-    description="Grading status label for ungraded submission"
-    id="ora-grading.lms-api.gradingStatusDisplay.ungraded"
-  />
-</Badge>
-`;

src/containers/CTA/CTA.test.jsx

@@ -1,11 +0,0 @@
-import React from 'react';
-import { shallow } from 'enzyme';
-
-import { CTA } from '.';
-
-describe('CTA component', () => {
-  test('snapshots', () => {
-    const el = shallow(<CTA hide />);
-    expect(el).toMatchSnapshot();
-  });
-});

src/containers/CTA/__snapshots__/CTA.test.jsx.snap

@@ -1,31 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`CTA component snapshots 1`] = `
-<PageBanner>
-  <span>
-    <FormattedMessage
-      defaultMessage="Thanks for using the new ORA staff grading experience. "
-      description="Thank user for using ora and ask for feed back"
-      id="ora-grading.CTA.feedbackMessage"
-    />
-    <Hyperlink
-      destination="https://docs.google.com/forms/d/1Hu1rgJcCHl5_EtDb5Up3hiZ40sSUtkZQfRHJ3fWOvfQ/edit"
-      isInline={true}
-      showLaunchIcon={false}
-      target="_blank"
-      variant="muted"
-    >
-      <FormattedMessage
-        defaultMessage="Provide some feedback"
-        description="placeholder for the feedback anchor link"
-        id="ora-grading.CTA.linkMessage"
-      />
-    </Hyperlink>
-    <FormattedMessage
-      defaultMessage=" and let us know what you think!"
-      description="inform user to provide feedback"
-      id="ora-grading.CTA.letUsKnowMessage"
-    />
-  </span>
-</PageBanner>
-`;

src/containers/CTA/index.jsx

@@ -1,29 +0,0 @@
-import React from 'react';
-
-import { FormattedMessage } from '@edx/frontend-platform/i18n';
-import { PageBanner, Hyperlink } from '@edx/paragon';
-
-import messages from './messages';
-
-/**
- * <CTA />
- */
-export const CTA = () => (
-  <PageBanner>
-    <span>
-      <FormattedMessage {...messages.ctaFeedbackMessage} />
-      <Hyperlink
-        isInline
-        variant="muted"
-        destination="https://docs.google.com/forms/d/1Hu1rgJcCHl5_EtDb5Up3hiZ40sSUtkZQfRHJ3fWOvfQ/edit"
-        target="_blank"
-        showLaunchIcon={false}
-      >
-        <FormattedMessage {...messages.ctaLinkMessage} />
-      </Hyperlink>
-      <FormattedMessage {...messages.ctaLetUsKnowMessage} />
-    </span>
-  </PageBanner>
-);
-
-export default CTA;

src/containers/CTA/messages.js

@@ -1,23 +0,0 @@
-/* eslint-disable quotes */
-import { defineMessages } from '@edx/frontend-platform/i18n';
-import { StrictDict } from 'utils';
-
-const messages = defineMessages({
-  ctaFeedbackMessage: {
-    id: 'ora-grading.CTA.feedbackMessage',
-    defaultMessage: 'Thanks for using the new ORA staff grading experience. ',
-    description: 'Thank user for using ora and ask for feed back',
-  },
-  ctaLinkMessage: {
-    id: 'ora-grading.CTA.linkMessage',
-    defaultMessage: 'Provide some feedback',
-    description: 'placeholder for the feedback anchor link',
-  },
-  ctaLetUsKnowMessage: {
-    id: 'ora-grading.CTA.letUsKnowMessage',
-    defaultMessage: ' and let us know what you think!',
-    description: 'inform user to provide feedback',
-  },
-});
-
-export default StrictDict(messages);

src/containers/CriterionContainer/CriterionFeedback.jsx

@@ -2,8 +2,8 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 
-import { Form } from '@edx/paragon';
+import { Form } from '@openedx/paragon';
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { useIntl } from '@edx/frontend-platform/i18n';
 
 import { feedbackRequirement } from 'data/services/lms/constants';
 import { actions, selectors } from 'data/redux';
@@ -12,59 +12,56 @@ import messages from './messages';
 /**
  * <CriterionFeedback />
  */
-export class CriterionFeedback extends React.Component {
+export const CriterionFeedback = ({
-  constructor(props) {
+  orderNum,
-    super(props);
+  isGrading,
-    this.onChange = this.onChange.bind(this);
+  config,
-  }
+  setValue,
+  value,
+  isInvalid,
+}) => {
+  const intl = useIntl();
 
-  onChange(event) {
+  const onChange = (event) => {
-    this.props.setValue({
+    setValue({
       value: event.target.value,
-      orderNum: this.props.orderNum,
+      orderNum,
     });
-  }
+  };
 
-  get commentMessage() {
+  const translate = (msg) => intl.formatMessage(msg);
-    const { config, isGrading } = this.props;
+
-    let commentMessage = this.translate(isGrading ? messages.addComments : messages.comments);
+  const getCommentMessage = () => {
+    let commentMessage = translate(isGrading ? messages.addComments : messages.comments);
     if (config === feedbackRequirement.optional) {
-      commentMessage += ` ${this.translate(messages.optional)}`;
+      commentMessage += ` ${translate(messages.optional)}`;
     }
     return commentMessage;
+  };
+
+  if (config === feedbackRequirement.disabled) {
+    return null;
   }
 
-  translate = (msg) => this.props.intl.formatMessage(msg);
+  return (
-
+    <Form.Group isInvalid={isInvalid}>
-  render() {
+      <Form.Control
-    const {
+        as="textarea"
-      config,
+        className="criterion-feedback feedback-input"
-      isGrading,
+        data-testid="criterion-feedback-input"
-      value,
+        floatingLabel={getCommentMessage()}
-      isInvalid,
+        value={value}
-    } = this.props;
+        onChange={onChange}
-    if (config === feedbackRequirement.disabled) {
+        disabled={!isGrading}
-      return null;
+      />
-    }
+      {isInvalid && (
-    return (
+        <Form.Control.Feedback type="invalid" className="feedback-error-msg" data-testid="criterion-feedback-error-msg">
-      <Form.Group isInvalid={this.feedbackIsInvalid}>
+          {translate(messages.criterionFeedbackError)}
-        <Form.Control
+        </Form.Control.Feedback>
-          as="textarea"
+      )}
-          className="criterion-feedback feedback-input"
+    </Form.Group>
-          floatingLabel={this.commentMessage}
+  );
-          value={value}
+};
-          onChange={this.onChange}
-          disabled={!isGrading}
-        />
-        {isInvalid && (
-          <Form.Control.Feedback type="invalid" className="feedback-error-msg">
-            {this.translate(messages.criterionFeedbackError)}
-          </Form.Control.Feedback>
-        )}
-      </Form.Group>
-    );
-  }
-}
 
 CriterionFeedback.defaultProps = {
   value: '',
@@ -73,8 +70,6 @@ CriterionFeedback.defaultProps = {
 CriterionFeedback.propTypes = {
   orderNum: PropTypes.number.isRequired,
   isGrading: PropTypes.bool.isRequired,
-  // injected
-  intl: intlShape.isRequired,
   // redux
   config: PropTypes.string.isRequired,
   setValue: PropTypes.func.isRequired,
@@ -92,6 +87,4 @@ export const mapDispatchToProps = {
   setValue: actions.grading.setCriterionFeedback,
 };
 
-export default injectIntl(
+export default connect(mapStateToProps, mapDispatchToProps)(CriterionFeedback);
-  connect(mapStateToProps, mapDispatchToProps)(CriterionFeedback),
-);

src/containers/CriterionContainer/CriterionFeedback.test.jsx

@@ -1,18 +1,18 @@
 import React from 'react';
-import { shallow } from 'enzyme';
+import { screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
 
 import { actions, selectors } from 'data/redux';
 import {
   feedbackRequirement,
   gradeStatuses,
 } from 'data/services/lms/constants';
-import { formatMessage } from 'testUtils';
 import {
   CriterionFeedback,
   mapStateToProps,
   mapDispatchToProps,
 } from './CriterionFeedback';
-import messages from './messages';
+import { renderWithIntl } from '../../testUtils';
 
 jest.mock('data/redux/app/selectors', () => ({
   rubric: {
@@ -36,7 +36,6 @@ jest.mock('data/redux/grading/selectors', () => ({
 
 describe('Criterion Feedback', () => {
   const props = {
-    intl: { formatMessage },
     orderNum: 1,
     config: 'config string',
     isGrading: true,
@@ -45,119 +44,50 @@ describe('Criterion Feedback', () => {
     setValue: jest.fn().mockName('this.props.setValue'),
     isInvalid: false,
   };
-  let el;
-  beforeEach(() => {
-    el = shallow(<CriterionFeedback {...props} />);
-    el.instance().onChange = jest.fn().mockName('this.onChange');
-  });
-  describe('snapshot', () => {
-    test('is grading', () => {
-      expect(el.instance().render()).toMatchSnapshot();
-    });
-
-    test('is graded', () => {
-      el.setProps({
-        isGrading: false,
-        gradeStatus: gradeStatuses.graded,
-      });
-      expect(el.instance().render()).toMatchSnapshot();
-    });
-
-    test('feedback value is invalid', () => {
-      el.setProps({
-        isInvalid: true,
-      });
-      expect(el.instance().render()).toMatchSnapshot();
-    });
-
-    Object.values(feedbackRequirement).forEach((requirement) => {
-      test(`feedback is configured to ${requirement}`, () => {
-        el.setProps({
-          config: requirement,
-        });
-        expect(el.instance().render()).toMatchSnapshot();
-      });
-    });
-  });
 
   describe('component', () => {
     describe('render', () => {
-      test('is grading (the feedback input is not disabled)', () => {
+      it('shows a non-disabled input when grading', () => {
-        expect(el.isEmptyRender()).toEqual(false);
+        renderWithIntl(<CriterionFeedback {...props} />);
-        expect(el.instance().props.value).toEqual(props.value);
+        const input = screen.getByTestId('criterion-feedback-input');
-        const controlEl = el.find('.feedback-input');
+        expect(input).toBeInTheDocument();
-        expect(controlEl.prop('disabled')).toEqual(false);
+        expect(input).not.toBeDisabled();
-        expect(controlEl.prop('value')).toEqual(props.value);
+        expect(input).toHaveValue(props.value);
       });
-      test('is graded (the input is disabled)', () => {
+
-        el.setProps({
+      it('shows a disabled input when not grading', () => {
-          isGrading: false,
+        renderWithIntl(
-          gradeStatus: gradeStatuses.graded,
+          <CriterionFeedback {...props} isGrading={false} gradeStatus={gradeStatuses.graded} />,
-        });
+        );
-        expect(el.instance().props.value).toEqual(props.value);
+        const input = screen.getByTestId('criterion-feedback-input');
-        const controlEl = el.find('.feedback-input');
+        expect(input).toBeInTheDocument();
-        expect(controlEl.prop('disabled')).toEqual(true);
+        expect(input).toBeDisabled();
-        expect(controlEl.prop('value')).toEqual(props.value);
+        expect(input).toHaveValue(props.value);
       });
-      test('is having invalid feedback (feedback get render)', () => {
+
-        el.setProps({
+      it('displays an error message when feedback is invalid', () => {
-          isInvalid: true,
+        renderWithIntl(<CriterionFeedback {...props} isInvalid />);
-        });
+        expect(screen.getByTestId('criterion-feedback-error-msg')).toBeInTheDocument();
-        const feedbackErrorEl = el.find('.feedback-error-msg');
-        expect(el.instance().props.isInvalid).toEqual(true);
-        expect(feedbackErrorEl).toBeDefined();
       });
-      test('is configure to disabled (the input does not get render)', () => {
+
-        el.setProps({
+      it('does not render anything when config is set to disabled', () => {
-          config: feedbackRequirement.disabled,
+        const { container } = renderWithIntl(
-        });
+          <CriterionFeedback {...props} config={feedbackRequirement.disabled} />,
-        expect(el.isEmptyRender()).toEqual(true);
+        );
+        expect(container.firstChild).toBeNull();
       });
     });
 
     describe('behavior', () => {
-      test('onChange call set value', () => {
+      it('calls setValue when input value changes', async () => {
-        el = shallow(<CriterionFeedback {...props} />);
+        renderWithIntl(<CriterionFeedback {...props} />);
-        el.instance().onChange({
+        const user = userEvent.setup();
-          target: {
+        const input = screen.getByTestId('criterion-feedback-input');
-            value: 'some value',
+        await user.clear(input);
-          },
+        expect(props.setValue).toHaveBeenCalledWith({
+          value: '',
+          orderNum: props.orderNum,
         });
-        expect(props.setValue).toBeCalledTimes(1);
-      });
-    });
-
-    describe('getter commentMessage', () => {
-      test('is grading', () => {
-        el.setProps({ config: feedbackRequirement.optional, isGrading: true });
-        expect(el.instance().commentMessage).toContain(
-          messages.optional.defaultMessage,
-        );
-
-        el.setProps({ config: feedbackRequirement.required });
-        expect(el.instance().commentMessage).not.toContain(
-          messages.optional.defaultMessage,
-        );
-
-        expect(el.instance().commentMessage).toContain(
-          messages.addComments.defaultMessage,
-        );
-      });
-
-      test('is not grading', () => {
-        el.setProps({ config: feedbackRequirement.optional, isGrading: false });
-        expect(el.instance().commentMessage).toContain(
-          messages.optional.defaultMessage,
-        );
-
-        el.setProps({ config: feedbackRequirement.required });
-        expect(el.instance().commentMessage).not.toContain(
-          messages.optional.defaultMessage,
-        );
-
-        expect(el.instance().commentMessage).toContain(
-          messages.comments.defaultMessage,
-        );
       });
     });
   });
@@ -169,17 +99,17 @@ describe('Criterion Feedback', () => {
     beforeEach(() => {
       mapped = mapStateToProps(testState, ownProps);
     });
-    test('selectors.app.rubric.criterionFeedbackConfig', () => {
+    it('gets config from selectors.app.rubric.criterionFeedbackConfig', () => {
       expect(mapped.config).toEqual(
         selectors.app.rubric.criterionFeedbackConfig(testState, ownProps),
       );
     });
-    test('selector.grading.selected.criterionFeedback', () => {
+    it('gets value from selectors.grading.selected.criterionFeedback', () => {
       expect(mapped.value).toEqual(
         selectors.grading.selected.criterionFeedback(testState, ownProps),
       );
     });
-    test('selector.grading.validation.criterionFeedbackIsInvalid', () => {
+    it('gets isInvalid from selectors.grading.validation.criterionFeedbackIsInvalid', () => {
       expect(mapped.isInvalid).toEqual(
         selectors.grading.validation.criterionFeedbackIsInvalid(
           testState,
@@ -190,7 +120,7 @@ describe('Criterion Feedback', () => {
   });
 
   describe('mapDispatchToProps', () => {
-    test('maps actions.grading.setCriterionFeedback to setValue prop', () => {
+    it('maps actions.grading.setCriterionFeedback to setValue prop', () => {
       expect(mapDispatchToProps.setValue).toEqual(
         actions.grading.setCriterionFeedback,
       );

src/containers/CriterionContainer/RadioCriterion.jsx

@@ -2,8 +2,8 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 
-import { Form } from '@edx/paragon';
+import { Form } from '@openedx/paragon';
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { useIntl } from '@edx/frontend-platform/i18n';
 
 import { actions, selectors } from 'data/redux';
 import messages from './messages';
@@ -11,50 +11,46 @@ import messages from './messages';
 /**
  * <RadioCriterion />
  */
-export class RadioCriterion extends React.Component {
+export const RadioCriterion = ({
-  constructor(props) {
+  orderNum,
-    super(props);
+  isGrading,
-    this.onChange = this.onChange.bind(this);
+  config,
-  }
+  data,
+  setCriterionOption,
+  isInvalid,
+}) => {
+  const intl = useIntl();
 
-  onChange(event) {
+  const onChange = (event) => {
-    this.props.setCriterionOption({
+    setCriterionOption({
-      orderNum: this.props.orderNum,
+      orderNum,
       value: event.target.value,
     });
-  }
+  };
 
-  render() {
+  return (
-    const {
+    <Form.RadioSet name={config.name} value={data}>
-      config,
+      {config.options.map((option) => (
-      data,
+        <Form.Radio
-      intl,
+          className="criteria-option align-items-center"
-      isGrading,
+          key={option.name}
-      isInvalid,
+          value={option.name}
-    } = this.props;
+          description={intl.formatMessage(messages.optionPoints, { points: option.points })}
-    return (
+          onChange={onChange}
-      <Form.RadioSet name={config.name} value={data}>
+          disabled={!isGrading}
-        {config.options.map((option) => (
+          style={{ flexShrink: 0 }}
-          <Form.Radio
+        >
-            className="criteria-option"
+          {option.label}
-            key={option.name}
+        </Form.Radio>
-            value={option.name}
+      ))}
-            description={intl.formatMessage(messages.optionPoints, { points: option.points })}
+      {isInvalid && (
-            onChange={this.onChange}
+      <Form.Control.Feedback type="invalid" className="feedback-error-msg">
-            disabled={!isGrading}
+        {intl.formatMessage(messages.rubricSelectedError)}
-          >
+      </Form.Control.Feedback>
-            {option.label}
+      )}
-          </Form.Radio>
+    </Form.RadioSet>
-        ))}
+  );
-        {isInvalid && (
+};
-        <Form.Control.Feedback type="invalid" className="feedback-error-msg">
-          {intl.formatMessage(messages.rubricSelectedError)}
-        </Form.Control.Feedback>
-        )}
-      </Form.RadioSet>
-    );
-  }
-}
 
 RadioCriterion.defaultProps = {
   data: {
@@ -66,8 +62,6 @@ RadioCriterion.defaultProps = {
 RadioCriterion.propTypes = {
   orderNum: PropTypes.number.isRequired,
   isGrading: PropTypes.bool.isRequired,
-  // injected
-  intl: intlShape.isRequired,
   // redux
   config: PropTypes.shape({
     prompt: PropTypes.string,
@@ -98,4 +92,4 @@ export const mapDispatchToProps = {
   setCriterionOption: actions.grading.setCriterionOption,
 };
 
-export default injectIntl(connect(mapStateToProps, mapDispatchToProps)(RadioCriterion));
+export default connect(mapStateToProps, mapDispatchToProps)(RadioCriterion);

src/containers/CriterionContainer/RadioCriterion.test.jsx

@@ -1,13 +1,12 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
 
 import { actions, selectors } from 'data/redux';
-import { formatMessage } from 'testUtils';
 import {
   RadioCriterion,
   mapDispatchToProps,
   mapStateToProps,
 } from './RadioCriterion';
+import { renderWithIntl } from '../../testUtils';
 
 jest.mock('data/redux/app/selectors', () => ({
   rubric: {
@@ -31,7 +30,6 @@ jest.mock('data/redux/grading/selectors', () => ({
 
 describe('Radio Criterion Container', () => {
   const props = {
-    intl: { formatMessage },
     orderNum: 1,
     isGrading: true,
     config: {
@@ -55,77 +53,47 @@ describe('Radio Criterion Container', () => {
         },
       ],
     },
-    data: 'selected radio option',
+    data: 'option name',
     setCriterionOption: jest.fn().mockName('this.props.setCriterionOption'),
     isInvalid: false,
   };
 
-  let el;
+  describe('component rendering', () => {
-  beforeEach(() => {
+    it('should render radio buttons that are enabled when in grading mode', () => {
-    el = shallow(<RadioCriterion {...props} />);
+      const { container } = renderWithIntl(<RadioCriterion {...props} />);
-    el.instance().onChange = jest.fn().mockName('this.onChange');
-  });
-  describe('snapshot', () => {
-    test('is grading', () => {
-      expect(el.instance().render()).toMatchSnapshot();
-    });
 
-    test('is not grading', () => {
+      const radioButtons = container.querySelectorAll('input[type="radio"]');
-      el.setProps({
+      expect(radioButtons.length).toEqual(props.config.options.length);
-        isGrading: false,
-      });
-      expect(el.instance().render()).toMatchSnapshot();
-    });
 
-    test('radio contain invalid response', () => {
+      radioButtons.forEach(button => {
-      el.setProps({
+        expect(button).not.toBeDisabled();
-        isInvalid: true,
-      });
-      expect(el.instance().render()).toMatchSnapshot();
-    });
-  });
-
-  describe('component', () => {
-    describe('rendering', () => {
-      test('is grading (all options are not disabled)', () => {
-        expect(el.isEmptyRender()).toEqual(false);
-        const optionsEl = el.find('.criteria-option');
-        expect(optionsEl.length).toEqual(props.config.options.length);
-        optionsEl.forEach((optionEl) => expect(optionEl.prop('disabled')).toEqual(false));
-      });
-
-      test('is not grading (all options are disabled)', () => {
-        el.setProps({
-          isGrading: false,
-        });
-        expect(el.isEmptyRender()).toEqual(false);
-        const optionsEl = el.find('.criteria-option');
-        expect(optionsEl.length).toEqual(props.config.options.length);
-        optionsEl.forEach((optionEl) => expect(optionEl.prop('disabled')).toEqual(true));
-      });
-
-      test('radio contain invalid response (error response get render)', () => {
-        el.setProps({
-          isInvalid: true,
-        });
-        expect(el.isEmptyRender()).toEqual(false);
-        const radioErrorEl = el.find('.feedback-error-msg');
-        expect(el.instance().props.isInvalid).toEqual(true);
-        expect(radioErrorEl).toBeDefined();
       });
     });
 
-    describe('behavior', () => {
+    it('should render radio buttons that are disabled when not in grading mode', () => {
-      test('onChange call set crition option', () => {
+      renderWithIntl(<RadioCriterion {...props} isGrading={false} />);
-        el = shallow(<RadioCriterion {...props} />);
+
-        el.instance().onChange({
+      const radioButtons = screen.queryAllByRole('radio');
-          target: {
+      expect(radioButtons.length).toEqual(props.config.options.length);
-            value: 'some value',
+
-          },
+      radioButtons.forEach(button => {
-        });
+        expect(button).toBeDisabled();
-        expect(props.setCriterionOption).toBeCalledTimes(1);
       });
     });
+
+    it('should render an error message when the criterion is invalid', () => {
+      const { container } = renderWithIntl(<RadioCriterion {...props} isInvalid />);
+
+      const errorMessage = container.querySelector('.feedback-error-msg');
+      expect(errorMessage).toBeInTheDocument();
+    });
+
+    it('should not render an error message when the criterion is valid', () => {
+      const { container } = renderWithIntl(<RadioCriterion {...props} />);
+
+      const errorMessage = container.querySelector('.feedback-error-msg');
+      expect(errorMessage).not.toBeInTheDocument();
+    });
   });
 
   describe('mapStateToProps', () => {
@@ -135,18 +103,20 @@ describe('Radio Criterion Container', () => {
     beforeEach(() => {
       mapped = mapStateToProps(testState, ownProps);
     });
-    test('selectors.app.rubric.criterionConfig', () => {
+
+    it('should properly map config from rubric criterion config selector', () => {
       expect(mapped.config).toEqual(
         selectors.app.rubric.criterionConfig(testState, ownProps),
       );
     });
 
-    test('selectors.grading.selected.criterionSelectedOption', () => {
+    it('should properly map data from selected criterion option selector', () => {
       expect(mapped.data).toEqual(
         selectors.grading.selected.criterionSelectedOption(testState, ownProps),
       );
     });
-    test('selectors.grading.validation.criterionSelectedOptionIsInvalid', () => {
+
+    it('should properly map isInvalid from criterion validation selector', () => {
       expect(mapped.isInvalid).toEqual(
         selectors.grading.validation.criterionSelectedOptionIsInvalid(testState, ownProps),
       );
@@ -154,7 +124,7 @@ describe('Radio Criterion Container', () => {
   });
 
   describe('mapDispatchToProps', () => {
-    test('maps actions.grading.setCriterionFeedback to setValue prop', () => {
+    it('should map setCriterionOption action to props', () => {
       expect(mapDispatchToProps.setCriterionOption).toEqual(
         actions.grading.setCriterionOption,
       );

src/containers/CriterionContainer/ReviewCriterion.jsx

@@ -2,7 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 
-import { Form, FormControlFeedback } from '@edx/paragon';
+import { Form, FormControlFeedback } from '@openedx/paragon';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 
 import { selectors } from 'data/redux';
@@ -14,10 +14,10 @@ import messages from './messages';
 export const ReviewCriterion = ({ config }) => (
   <div className="review-criterion">
     {config.options.map((option) => (
-      <div key={option.name} className="criteria-option">
+      <div key={option.name} className="criteria-option" data-testid="criteria-option">
         <div>
-          <Form.Label className="option-label">{option.label}</Form.Label>
+          <Form.Label className="option-label" data-testid="option-label">{option.label}</Form.Label>
-          <FormControlFeedback className="option-points">
+          <FormControlFeedback className="option-points" data-testid="option-points">
             <FormattedMessage {...messages.optionPoints} values={{ points: option.points }} />
           </FormControlFeedback>
         </div>

src/containers/CriterionContainer/ReviewCriterion.test.jsx

@@ -1,9 +1,9 @@
 import React from 'react';
-import { shallow } from 'enzyme';
+import { screen } from '@testing-library/react';
 
 import { selectors } from 'data/redux';
+import { renderWithIntl } from '../../testUtils';
 import { ReviewCriterion, mapStateToProps } from './ReviewCriterion';
-import messages from './messages';
 
 jest.mock('data/redux/app/selectors', () => ({
   rubric: {
@@ -20,7 +20,7 @@ jest.mock('data/redux/grading/selectors', () => ({
   },
 }));
 
-describe('Review Crition Container', () => {
+describe('Review Criterion Container', () => {
   const props = {
     orderNum: 1,
     config: {
@@ -50,29 +50,20 @@ describe('Review Crition Container', () => {
     },
   };
 
-  let el;
-  beforeEach(() => {
-    el = shallow(<ReviewCriterion {...props} />);
-  });
-  test('snapshot', () => {
-    expect(el).toMatchSnapshot();
-  });
-
   describe('component', () => {
-    test('rendering (everything show up)', () => {
+    it('renders all criteria options with correct labels and points', () => {
-      expect(el.isEmptyRender()).toEqual(false);
+      renderWithIntl(<ReviewCriterion {...props} />);
-      const optionsEl = el.find('.criteria-option');
+
-      expect(optionsEl.length).toEqual(props.config.options.length);
+      const optionsElements = screen.getAllByTestId('criteria-option');
-      optionsEl.forEach((optionEl, i) => {
+      expect(optionsElements.length).toEqual(props.config.options.length);
-        const option = props.config.options[i];
+
-        expect(optionEl.key()).toEqual(option.name);
+      props.config.options.forEach((option, index) => {
-        expect(optionEl.find('.option-label').childAt(0).text()).toEqual(
+        const optionElement = optionsElements[index];
-          option.label,
+        const labelElement = optionElement.querySelector('[data-testid="option-label"]');
-        );
+        const pointsElement = optionElement.querySelector('[data-testid="option-points"]');
-        expect(optionEl.find('.option-points').childAt(0).props()).toEqual({
+
-          ...messages.optionPoints,
+        expect(labelElement.textContent).toEqual(option.label);
-          values: { points: option.points },
+        expect(pointsElement.textContent).toEqual(`${props.config.options[index].points} points`);
-        });
       });
     });
   });
@@ -81,16 +72,18 @@ describe('Review Crition Container', () => {
     const testState = { arbitrary: 'some data' };
     const ownProps = { orderNum: props.orderNum };
     let mapped;
+
     beforeEach(() => {
       mapped = mapStateToProps(testState, ownProps);
     });
-    test('selectors.app.rubric.criterionConfig', () => {
+
+    it('should map criterion config from state', () => {
       expect(mapped.config).toEqual(
         selectors.app.rubric.criterionConfig(testState, ownProps),
       );
     });
 
-    test('selectors.grading.selected.criterionGradeData', () => {
+    it('should map criterion grade data from state', () => {
       expect(mapped.data).toEqual(
         selectors.grading.selected.criterionGradeData(testState, ownProps),
       );

src/containers/CriterionContainer/__snapshots__/CriterionFeedback.test.jsx.snap

@@ -1,74 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Criterion Feedback snapshot feedback is configured to disabled 1`] = `null`;
-
-exports[`Criterion Feedback snapshot feedback is configured to optional 1`] = `
-<Form.Group>
-  <Form.Control
-    as="textarea"
-    className="criterion-feedback feedback-input"
-    disabled={false}
-    floatingLabel="Add comments (Optional)"
-    onChange={[MockFunction this.onChange]}
-    value="criterion value"
-  />
-</Form.Group>
-`;
-
-exports[`Criterion Feedback snapshot feedback is configured to required 1`] = `
-<Form.Group>
-  <Form.Control
-    as="textarea"
-    className="criterion-feedback feedback-input"
-    disabled={false}
-    floatingLabel="Add comments"
-    onChange={[MockFunction this.onChange]}
-    value="criterion value"
-  />
-</Form.Group>
-`;
-
-exports[`Criterion Feedback snapshot feedback value is invalid 1`] = `
-<Form.Group>
-  <Form.Control
-    as="textarea"
-    className="criterion-feedback feedback-input"
-    disabled={false}
-    floatingLabel="Add comments"
-    onChange={[MockFunction this.onChange]}
-    value="criterion value"
-  />
-  <Form.Control.Feedback
-    className="feedback-error-msg"
-    type="invalid"
-  >
-    The feedback is required
-  </Form.Control.Feedback>
-</Form.Group>
-`;
-
-exports[`Criterion Feedback snapshot is graded 1`] = `
-<Form.Group>
-  <Form.Control
-    as="textarea"
-    className="criterion-feedback feedback-input"
-    disabled={true}
-    floatingLabel="Comments"
-    onChange={[MockFunction this.onChange]}
-    value="criterion value"
-  />
-</Form.Group>
-`;
-
-exports[`Criterion Feedback snapshot is grading 1`] = `
-<Form.Group>
-  <Form.Control
-    as="textarea"
-    className="criterion-feedback feedback-input"
-    disabled={false}
-    floatingLabel="Add comments"
-    onChange={[MockFunction this.onChange]}
-    value="criterion value"
-  />
-</Form.Group>
-`;

src/containers/CriterionContainer/__snapshots__/RadioCriterion.test.jsx.snap

@@ -1,85 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Radio Criterion Container snapshot is grading 1`] = `
-<Form.RadioSet
-  name="random name"
-  value="selected radio option"
->
-  <Form.Radio
-    className="criteria-option"
-    description="1 points"
-    disabled={false}
-    onChange={[MockFunction this.onChange]}
-    value="option name"
-  >
-    this label
-  </Form.Radio>
-  <Form.Radio
-    className="criteria-option"
-    description="2 points"
-    disabled={false}
-    onChange={[MockFunction this.onChange]}
-    value="option name 2"
-  >
-    this label 2
-  </Form.Radio>
-</Form.RadioSet>
-`;
-
-exports[`Radio Criterion Container snapshot is not grading 1`] = `
-<Form.RadioSet
-  name="random name"
-  value="selected radio option"
->
-  <Form.Radio
-    className="criteria-option"
-    description="1 points"
-    disabled={true}
-    onChange={[MockFunction this.onChange]}
-    value="option name"
-  >
-    this label
-  </Form.Radio>
-  <Form.Radio
-    className="criteria-option"
-    description="2 points"
-    disabled={true}
-    onChange={[MockFunction this.onChange]}
-    value="option name 2"
-  >
-    this label 2
-  </Form.Radio>
-</Form.RadioSet>
-`;
-
-exports[`Radio Criterion Container snapshot radio contain invalid response 1`] = `
-<Form.RadioSet
-  name="random name"
-  value="selected radio option"
->
-  <Form.Radio
-    className="criteria-option"
-    description="1 points"
-    disabled={false}
-    onChange={[MockFunction this.onChange]}
-    value="option name"
-  >
-    this label
-  </Form.Radio>
-  <Form.Radio
-    className="criteria-option"
-    description="2 points"
-    disabled={false}
-    onChange={[MockFunction this.onChange]}
-    value="option name 2"
-  >
-    this label 2
-  </Form.Radio>
-  <Form.Control.Feedback
-    className="feedback-error-msg"
-    type="invalid"
-  >
-    Rubric selection is required
-  </Form.Control.Feedback>
-</Form.RadioSet>
-`;

src/containers/CriterionContainer/__snapshots__/ReviewCriterion.test.jsx.snap

@@ -1,60 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Review Crition Container snapshot 1`] = `
-<div
-  className="review-criterion"
->
-  <div
-    className="criteria-option"
-    key="option name"
-  >
-    <div>
-      <Form.Label
-        className="option-label"
-      >
-        this label
-      </Form.Label>
-      <FormControlFeedback
-        className="option-points"
-      >
-        <FormattedMessage
-          defaultMessage="{points} points"
-          description="criterion option point value display"
-          id="ora-grading.RadioCriterion.optionPoints"
-          values={
-            Object {
-              "points": 1,
-            }
-          }
-        />
-      </FormControlFeedback>
-    </div>
-  </div>
-  <div
-    className="criteria-option"
-    key="option name 2"
-  >
-    <div>
-      <Form.Label
-        className="option-label"
-      >
-        this label 2
-      </Form.Label>
-      <FormControlFeedback
-        className="option-points"
-      >
-        <FormattedMessage
-          defaultMessage="{points} points"
-          description="criterion option point value display"
-          id="ora-grading.RadioCriterion.optionPoints"
-          values={
-            Object {
-              "points": 2,
-            }
-          }
-        />
-      </FormControlFeedback>
-    </div>
-  </div>
-</div>
-`;

src/containers/CriterionContainer/__snapshots__/index.test.jsx.snap

@@ -1,144 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Criterion Container snapshot is graded and is not grading 1`] = `
-<Form.Group>
-  <Form.Label
-    className="criteria-label"
-  >
-    <span
-      className="criteria-title"
-    >
-      prompt
-    </span>
-    <InfoPopover>
-      <div
-        className="help-popover-option"
-        key="option name"
-      >
-        <strong>
-          this label
-        </strong>
-        <br />
-        explanation
-      </div>
-      <div
-        className="help-popover-option"
-        key="option name 2"
-      >
-        <strong>
-          this label 2
-        </strong>
-        <br />
-        explanation 2
-      </div>
-    </InfoPopover>
-  </Form.Label>
-  <div
-    className="rubric-criteria"
-  >
-    <RadioCriterion
-      isGrading={false}
-      orderNum={1}
-    />
-  </div>
-  <CriterionFeedback
-    isGrading={false}
-    orderNum={1}
-  />
-</Form.Group>
-`;
-
-exports[`Criterion Container snapshot is ungraded and is grading 1`] = `
-<Form.Group>
-  <Form.Label
-    className="criteria-label"
-  >
-    <span
-      className="criteria-title"
-    >
-      prompt
-    </span>
-    <InfoPopover>
-      <div
-        className="help-popover-option"
-        key="option name"
-      >
-        <strong>
-          this label
-        </strong>
-        <br />
-        explanation
-      </div>
-      <div
-        className="help-popover-option"
-        key="option name 2"
-      >
-        <strong>
-          this label 2
-        </strong>
-        <br />
-        explanation 2
-      </div>
-    </InfoPopover>
-  </Form.Label>
-  <div
-    className="rubric-criteria"
-  >
-    <RadioCriterion
-      isGrading={true}
-      orderNum={1}
-    />
-  </div>
-  <CriterionFeedback
-    isGrading={true}
-    orderNum={1}
-  />
-</Form.Group>
-`;
-
-exports[`Criterion Container snapshot is ungraded and is not grading 1`] = `
-<Form.Group>
-  <Form.Label
-    className="criteria-label"
-  >
-    <span
-      className="criteria-title"
-    >
-      prompt
-    </span>
-    <InfoPopover>
-      <div
-        className="help-popover-option"
-        key="option name"
-      >
-        <strong>
-          this label
-        </strong>
-        <br />
-        explanation
-      </div>
-      <div
-        className="help-popover-option"
-        key="option name 2"
-      >
-        <strong>
-          this label 2
-        </strong>
-        <br />
-        explanation 2
-      </div>
-    </InfoPopover>
-  </Form.Label>
-  <div
-    className="rubric-criteria"
-  >
-    <ReviewCriterion
-      orderNum={1}
-    />
-  </div>
-  <CriterionFeedback
-    isGrading={false}
-    orderNum={1}
-  />
-</Form.Group>
-`;

src/containers/CriterionContainer/index.jsx

@@ -2,7 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 
-import { Form } from '@edx/paragon';
+import { Form } from '@openedx/paragon';
 
 import { selectors } from 'data/redux';
 import { gradeStatuses } from 'data/services/lms/constants';
@@ -25,7 +25,7 @@ export const CriterionContainer = (props) => {
         <span className="criteria-title">{config.prompt}</span>
         <InfoPopover>
           {config.options.map((option) => (
-            <div key={option.name} className="help-popover-option">
+            <div key={option.name} className="help-popover-option" data-testid="help-popover-option">
               <strong>{option.label}</strong>
               <br />
               {option.explanation}
@@ -33,7 +33,7 @@ export const CriterionContainer = (props) => {
           ))}
         </InfoPopover>
       </Form.Label>
-      <div className="rubric-criteria">
+      <div className="rubric-criteria" data-testid="rubric-criteria">
         {isGrading || gradeStatus === gradeStatuses.graded ? (
           <RadioCriterion orderNum={orderNum} isGrading={isGrading} />
         ) : (

src/containers/CriterionContainer/index.test.jsx

@@ -1,15 +1,50 @@
-import React from 'react';
+import { render, screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import PropTypes from 'prop-types';
 
 import { selectors } from 'data/redux';
 import { gradeStatuses } from 'data/services/lms/constants';
 
 import { CriterionContainer, mapStateToProps } from '.';
 
-jest.mock('components/InfoPopover', () => 'InfoPopover');
+const MockRadioCriterion = ({ orderNum, isGrading }) => (
-jest.mock('./RadioCriterion', () => 'RadioCriterion');
+  <div data-testid="radio-criterion-component">
-jest.mock('./CriterionFeedback', () => 'CriterionFeedback');
+    RadioCriterion Component (orderNum={orderNum}, isGrading={String(isGrading)})
-jest.mock('./ReviewCriterion', () => 'ReviewCriterion');
+  </div>
+);
+
+MockRadioCriterion.propTypes = {
+  orderNum: PropTypes.number.isRequired,
+  isGrading: PropTypes.bool.isRequired,
+};
+
+const MockReviewCriterion = ({ orderNum }) => (
+  <div data-testid="review-criterion-component">
+    ReviewCriterion Component (orderNum={orderNum})
+  </div>
+);
+
+MockReviewCriterion.propTypes = {
+  orderNum: PropTypes.number.isRequired,
+};
+
+const MockCriterionFeedback = ({ orderNum, isGrading }) => (
+  <div data-testid="criterion-feedback-component">
+    CriterionFeedback Component (orderNum={orderNum}, isGrading={String(isGrading)})
+  </div>
+);
+
+MockCriterionFeedback.propTypes = {
+  orderNum: PropTypes.number.isRequired,
+  isGrading: PropTypes.bool.isRequired,
+};
+
+const MockInfoPopover = ({ children }) => (
+  <div data-testid="info-popover">{children}</div>
+);
+
+MockInfoPopover.propTypes = {
+  children: PropTypes.node.isRequired,
+};
 
 jest.mock('data/redux/app/selectors', () => ({
   rubric: {
@@ -18,12 +53,18 @@ jest.mock('data/redux/app/selectors', () => ({
     })),
   },
 }));
+
 jest.mock('data/redux/grading/selectors', () => ({
   selected: {
     gradeStatus: jest.fn((...args) => ({ selectedGradeStatus: args })),
   },
 }));
 
+jest.mock('./RadioCriterion', () => jest.fn((props) => MockRadioCriterion(props)));
+jest.mock('./ReviewCriterion', () => jest.fn((props) => MockReviewCriterion(props)));
+jest.mock('./CriterionFeedback', () => jest.fn((props) => MockCriterionFeedback(props)));
+jest.mock('components/InfoPopover', () => jest.fn((props) => MockInfoPopover(props)));
+
 describe('Criterion Container', () => {
   const props = {
     isGrading: true,
@@ -51,63 +92,43 @@ describe('Criterion Container', () => {
     },
     gradeStatus: gradeStatuses.ungraded,
   };
-  let el;
-  beforeEach(() => {
-    el = shallow(<CriterionContainer {...props} />);
-  });
 
-  describe('snapshot', () => {
+  describe('component rendering', () => {
-    test('is ungraded and is grading', () => {
+    it('displays the criterion prompt', () => {
-      expect(el).toMatchSnapshot();
+      render(<CriterionContainer {...props} />);
+      expect(screen.getByText('prompt')).toBeInTheDocument();
     });
 
-    test('is ungraded and is not grading', () => {
+    it('displays all option explanations in the info popover', () => {
-      el.setProps({
+      render(<CriterionContainer {...props} />);
-        isGrading: false,
+      const infoPopover = screen.getByTestId('info-popover');
-      });
+      expect(infoPopover).toHaveTextContent('explanation');
-      expect(el).toMatchSnapshot();
+      expect(infoPopover).toHaveTextContent('explanation 2');
+      expect(infoPopover).toHaveTextContent('this label');
+      expect(infoPopover).toHaveTextContent('this label 2');
     });
 
-    test('is graded and is not grading', () => {
+    it('renders RadioCriterion when is ungraded and is grading', () => {
-      el.setProps({
+      render(<CriterionContainer {...props} />);
-        isGrading: false,
+      expect(screen.getByTestId('radio-criterion-component')).toBeInTheDocument();
-        gradeStatus: gradeStatuses.graded,
+      expect(screen.queryByTestId('review-criterion-component')).not.toBeInTheDocument();
-      });
-      expect(el).toMatchSnapshot();
-    });
-  });
-
-  describe('component', () => {
-    test('rendering and all of the option show up', () => {
-      expect(el.isEmptyRender()).toEqual(false);
-      const optionsEl = el.find('.help-popover-option');
-      expect(optionsEl.length).toEqual(props.config.options.length);
-      optionsEl.forEach((optionEl, i) => {
-        expect(optionEl.key()).toEqual(props.config.options[i].name);
-        expect(optionEl.text()).toContain(props.config.options[i].explanation);
-      });
     });
 
-    test('is ungraded and is grading (Radio criterion get render)', () => {
+    it('renders ReviewCriterion when is ungraded and is not grading', () => {
-      const rubricCriteria = el.find('.rubric-criteria');
+      render(<CriterionContainer {...props} isGrading={false} />);
-      expect(rubricCriteria.children(0).name()).toEqual('RadioCriterion');
+      expect(screen.getByTestId('review-criterion-component')).toBeInTheDocument();
+      expect(screen.queryByTestId('radio-criterion-component')).not.toBeInTheDocument();
     });
 
-    test('is ungraded and is not grading (Review criterion get render)', () => {
+    it('renders RadioCriterion when is graded and is not grading', () => {
-      el.setProps({
+      render(<CriterionContainer {...props} isGrading={false} gradeStatus={gradeStatuses.graded} />);
-        isGrading: false,
+      expect(screen.getByTestId('radio-criterion-component')).toBeInTheDocument();
-      });
+      expect(screen.queryByTestId('review-criterion-component')).not.toBeInTheDocument();
-      const rubricCriteria = el.find('.rubric-criteria');
-      expect(rubricCriteria.children(0).name()).toEqual('ReviewCriterion');
     });
 
-    test('is graded and is not grading (Radio criterion get render)', () => {
+    it('renders CriterionFeedback component', () => {
-      el.setProps({
+      render(<CriterionContainer {...props} />);
-        isGrading: false,
+      expect(screen.getByTestId('criterion-feedback-component')).toBeInTheDocument();
-        gradeStatus: gradeStatuses.graded,
-      });
-      const rubricCriteria = el.find('.rubric-criteria');
-      expect(rubricCriteria.children(0).name()).toEqual('RadioCriterion');
     });
   });
 
@@ -115,16 +136,18 @@ describe('Criterion Container', () => {
     const testState = { arbitraryState: 'some data' };
     const ownProps = { orderNum: props.orderNum };
     let mapped;
+
     beforeEach(() => {
       mapped = mapStateToProps(testState, ownProps);
     });
-    test('selectors.app.rubric.criterionConfig', () => {
+
+    it('maps rubric criterion config to props', () => {
       expect(mapped.config).toEqual(
         selectors.app.rubric.criterionConfig(testState, ownProps),
       );
     });
 
-    test('selectors.grading.selected.gradeStatus', () => {
+    it('maps grading status to props', () => {
       expect(mapped.gradeStatus).toEqual(
         selectors.grading.selected.gradeStatus(testState),
       );

src/containers/DemoWarning/DemoWarning.test.jsx

@@ -1,8 +1,8 @@
-import React from 'react';
+import { render, screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
-
 import { selectors } from 'data/redux';
 import { DemoWarning, mapStateToProps } from '.';
+import messages from './messages';
 
 jest.mock('data/redux', () => ({
   selectors: {
@@ -10,24 +10,26 @@ jest.mock('data/redux', () => ({
   },
 }));
 
-let el;
-
 describe('DemoWarning component', () => {
-  describe('snapshots', () => {
+  describe('behavior', () => {
-    test('does not render if disabled flag is missing', () => {
+    it('does not render when hide prop is true', () => {
-      el = shallow(<DemoWarning hide />);
+      const { container } = render(<IntlProvider locale="en"><DemoWarning hide /></IntlProvider>);
-      expect(el).toMatchSnapshot();
+      expect(container.firstChild).toBeNull();
-      expect(el.isEmptyRender()).toEqual(true);
     });
-    test('snapshot: disabled flag is present', () => {
+
-      el = shallow(<DemoWarning hide={false} />);
+    it('renders alert with warning message when hide prop is false', () => {
-      expect(el).toMatchSnapshot();
+      render(<IntlProvider locale="en"><DemoWarning hide={false} /></IntlProvider>);
-      expect(el.isEmptyRender()).toEqual(false);
+      const alert = screen.getByRole('alert');
+      expect(alert).toBeInTheDocument();
+      expect(alert).toHaveClass('alert-warning');
+      expect(alert).toHaveTextContent(messages.demoModeMessage.defaultMessage);
+      expect(alert).toHaveTextContent(messages.demoModeHeading.defaultMessage);
     });
   });
+
   describe('mapStateToProps', () => {
-    const testState = { some: 'test-state' };
+    it('maps hide prop from app.isEnabled selector', () => {
-    test('hide is forwarded from app.isEnabled', () => {
+      const testState = { some: 'test-state' };
       expect(mapStateToProps(testState).hide).toEqual(
         selectors.app.isEnabled(testState),
       );

src/containers/DemoWarning/__snapshots__/DemoWarning.test.jsx.snap

@@ -1,25 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`DemoWarning component snapshots does not render if disabled flag is missing 1`] = `""`;
-
-exports[`DemoWarning component snapshots snapshot: disabled flag is present 1`] = `
-<Alert
-  className="mb-0 rounded-0"
-  variant="warning"
->
-  <Alert.Heading>
-    <FormattedMessage
-      defaultMessage="Demo Mode"
-      description="Demo mode heading"
-      id="ora-grading.ReviewModal.demoHeading"
-    />
-  </Alert.Heading>
-  <p>
-    <FormattedMessage
-      defaultMessage="You are demoing the new ORA staff grading experience. You will be unable to submit grades until you activate the feature. This will become the default grading experience on May 9th (05/09/2022). To opt-in early, or opt-out, please contact Partner Support."
-      description="Demo mode message"
-      id="ora-grading.ReviewModal.demoMessage"
-    />
-  </p>
-</Alert>
-`;

src/containers/DemoWarning/index.jsx

@@ -3,8 +3,8 @@ import { connect } from 'react-redux';
 import PropTypes from 'prop-types';
 
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
-import { Alert } from '@edx/paragon';
+import { Alert } from '@openedx/paragon';
-import { Info } from '@edx/paragon/icons';
+import { Info } from '@openedx/paragon/icons';
 
 import { selectors } from 'data/redux';
 import messages from './messages';

src/containers/ListView/EmptySubmission.jsx

@@ -2,7 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
-import { Hyperlink, Button } from '@edx/paragon';
+import { Hyperlink, Button } from '@openedx/paragon';
 
 import urls from 'data/services/lms/urls';
 import emptyStateSVG from './assets/empty-state.svg';

src/containers/ListView/EmptySubmission.test.jsx

@@ -1,33 +1,38 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
-import { Hyperlink } from '@edx/paragon';
-
 import urls from 'data/services/lms/urls';
-
+import { renderWithIntl } from '../../testUtils';
 import EmptySubmission from './EmptySubmission';
 
 jest.mock('data/services/lms/urls', () => ({
   openResponse: (courseId) => `openResponseUrl(${courseId})`,
 }));
 
-jest.mock('./assets/emptyState.svg', () => './assets/emptyState.svg');
+jest.mock('./assets/empty-state.svg', () => './assets/empty-state.svg');
-
-let el;
 
 describe('EmptySubmission component', () => {
-  describe('component', () => {
+  const props = { courseId: 'test-course-id' };
-    const props = { courseId: 'test-course-id' };
+
-    beforeEach(() => {
+  it('renders the empty state image with correct alt text', () => {
-      el = shallow(<EmptySubmission {...props} />);
+    renderWithIntl(<EmptySubmission {...props} />);
-    });
+    expect(screen.getByAltText('empty state')).toBeInTheDocument();
-    test('snapshot', () => {
+  });
-      expect(el).toMatchSnapshot();
+
-    });
+  it('renders the no results found title message', () => {
-    test('openResponse destination', () => {
+    renderWithIntl(<EmptySubmission {...props} />);
-      expect(
+    expect(screen.getByText('Nothing here yet')).toBeInTheDocument();
-        el.find(Hyperlink).at(0).props().destination,
+  });
-      ).toEqual(urls.openResponse(props.courseId));
+
-    });
+  it('renders hyperlink with correct destination URL', () => {
+    renderWithIntl(<EmptySubmission {...props} />);
+    const hyperlink = screen.getByRole('link');
+    expect(hyperlink).toHaveAttribute(
+      'href',
+      urls.openResponse(props.courseId),
+    );
+  });
+
+  it('renders the back to responses button', () => {
+    renderWithIntl(<EmptySubmission {...props} />);
+    expect(screen.getByText('Back to all open responses')).toBeInTheDocument();
   });
 });

src/containers/ListView/FilterStatusComponent.jsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import { Button, DataTableContext } from '@edx/paragon';
+import { Button, DataTableContext } from '@openedx/paragon';
 
 import * as module from './FilterStatusComponent';
 

src/containers/ListView/FilterStatusComponent.test.jsx

@@ -1,54 +1,18 @@
 import React from 'react';
-import { shallow } from 'enzyme';
+import PropTypes from 'prop-types';
+import { render } from '@testing-library/react';
+import { DataTableContext } from '@openedx/paragon';
 
 import * as module from './FilterStatusComponent';
 
-const fieldIds = [
+const fieldIds = ['field-id-0', 'field-id-1', 'field-id-2', 'field-id-3'];
-  'field-id-0',
-  'field-id-1',
-  'field-id-2',
-  'field-id-3',
-];
 const filterOrder = [1, 0, 3, 2];
-const filters = filterOrder.map(v => ({ id: fieldIds[v] }));
+const filters = filterOrder.map((v) => ({ id: fieldIds[v] }));
-const headers = [0, 1, 2, 3].map(v => ({
+const headers = [0, 1, 2, 3].map((v) => ({
   id: fieldIds[v],
   Header: `HeaDer-${v}`,
 }));
 
-describe('FilterStatusComponent hooks', () => {
-  const context = { headers, state: { filters } };
-  const mockTableContext = (newContext) => {
-    React.useContext.mockReturnValueOnce(newContext);
-  };
-  beforeEach(() => {
-    context.setAllFilters = jest.fn();
-  });
-  it('returns empty dict if setAllFilters or state.filters is falsey', () => {
-    mockTableContext({ ...context, setAllFilters: null });
-    expect(module.filterHooks()).toEqual({});
-    mockTableContext({ ...context, state: { filters: null } });
-    expect(module.filterHooks()).toEqual({});
-  });
-  describe('clearFilters', () => {
-    it('uses React.useCallback to clear filters, only once', () => {
-      mockTableContext(context);
-      const { cb, prereqs } = module.filterHooks().clearFilters.useCallback;
-      expect(prereqs).toEqual([context.setAllFilters]);
-      expect(context.setAllFilters).not.toHaveBeenCalled();
-      cb();
-      expect(context.setAllFilters).toHaveBeenCalledWith([]);
-    });
-  });
-  describe('filterNames', () => {
-    it('returns list of Header values by filter order', () => {
-      mockTableContext(context);
-      expect(module.filterHooks().filterNames).toEqual(
-        filterOrder.map(v => headers[v].Header),
-      );
-    });
-  });
-});
 describe('FilterStatusComponent component', () => {
   const props = {
     className: 'css-class-name',
@@ -58,34 +22,98 @@ describe('FilterStatusComponent component', () => {
     buttonClassName: 'css-class-name-for-button',
     showFilteredFields: true,
   };
-  const hookProps = {
-    clearFilters: jest.fn().mockName('hookProps.clearFilters'),
-    filterNames: ['filter-name-0', 'filter-name-1'],
-  };
   const { FilterStatusComponent } = module;
-  const mockHooks = (value) => {
+
-    jest.spyOn(module, 'filterHooks').mockReturnValueOnce(value);
+  const renderWithContext = (contextValue, componentProps = props) => {
+    const TestWrapper = ({ children }) => (
+      <DataTableContext.Provider value={contextValue}>
+        {children}
+      </DataTableContext.Provider>
+    );
+    TestWrapper.propTypes = {
+      children: PropTypes.node,
+    };
+    return render(
+      <TestWrapper>
+        <FilterStatusComponent {...componentProps} />
+      </TestWrapper>,
+    );
   };
-  describe('snapshot', () => {
+
-    describe('with filters', () => {
+  beforeEach(() => {
-      test('showFilteredFields', () => {
+    jest.clearAllMocks();
-        mockHooks(hookProps);
+  });
-        const el = shallow(<FilterStatusComponent {...props} />);
+
-        expect(el).toMatchSnapshot();
+  describe('behavior', () => {
-      });
+    it('does not render when there are no filters', () => {
-      test('showFilteredFields=false - hide filterTexts', () => {
+      const contextValue = {
-        mockHooks(hookProps);
+        headers,
-        const el = shallow(
+        state: { filters: null },
-          <FilterStatusComponent {...props} showFilteredFields={false} />,
+        setAllFilters: jest.fn(),
-        );
+      };
-        expect(el).toMatchSnapshot();
+      const { container } = renderWithContext(contextValue);
+      expect(container.firstChild).toBeNull();
+    });
+
+    it('does not render when setAllFilters is not available', () => {
+      const contextValue = { headers, state: { filters }, setAllFilters: null };
+      const { container } = renderWithContext(contextValue);
+      expect(container.firstChild).toBeNull();
+    });
+
+    it('renders clear filters button with correct text when filters exist', () => {
+      const contextValue = {
+        headers,
+        state: { filters },
+        setAllFilters: jest.fn(),
+      };
+      const { getByText } = renderWithContext(contextValue);
+      expect(getByText(props.clearFiltersText)).toBeInTheDocument();
+    });
+
+    it('displays filtered field names when showFilteredFields is true', () => {
+      const contextValue = {
+        headers,
+        state: { filters },
+        setAllFilters: jest.fn(),
+      };
+      const { getByText } = renderWithContext(contextValue);
+      const expectedFilterNames = filterOrder.map((v) => headers[v].Header);
+      expectedFilterNames.forEach((name) => {
+        expect(getByText(name, { exact: false })).toBeInTheDocument();
       });
     });
-    test('without filters', () => {
+
-      mockHooks({});
+    it('does not display filtered field names when showFilteredFields is false', () => {
-      const el = shallow(<FilterStatusComponent {...props} />);
+      const contextValue = {
-      expect(el).toMatchSnapshot();
+        headers,
-      expect(el.isEmptyRender()).toEqual(true);
+        state: { filters },
+        setAllFilters: jest.fn(),
+      };
+      const { queryByText } = renderWithContext(contextValue, {
+        ...props,
+        showFilteredFields: false,
+      });
+      expect(queryByText(/Filtered by/)).not.toBeInTheDocument();
+    });
+
+    it('applies correct CSS classes to the component', () => {
+      const contextValue = {
+        headers,
+        state: { filters },
+        setAllFilters: jest.fn(),
+      };
+      const { container } = renderWithContext(contextValue);
+      expect(container.firstChild).toHaveClass(props.className);
+    });
+
+    it('calls setAllFilters with empty array when clear button is clicked', () => {
+      const setAllFilters = jest.fn();
+      const contextValue = { headers, state: { filters }, setAllFilters };
+      const { getByText } = renderWithContext(contextValue);
+      const clearButton = getByText(props.clearFiltersText);
+      clearButton.click();
+      expect(setAllFilters).toHaveBeenCalledWith([]);
     });
   });
 });

src/containers/ListView/ListError.jsx

@@ -6,8 +6,8 @@ import {
   Alert,
   Button,
   Hyperlink,
-} from '@edx/paragon';
+} from '@openedx/paragon';
-import { Info } from '@edx/paragon/icons';
+import { Info } from '@openedx/paragon/icons';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 
 import urls from 'data/services/lms/urls';

src/containers/ListView/ListError.test.jsx

@@ -1,19 +1,14 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import userEvent from '@testing-library/user-event';
-
 import { selectors, thunkActions } from 'data/redux';
-
+import { renderWithIntl } from '../../testUtils';
-import { formatMessage } from 'testUtils';
+import { ListError, mapDispatchToProps, mapStateToProps } from './ListError';
-import {
+import messages from './messages';
-  ListError,
-  mapDispatchToProps,
-  mapStateToProps,
-} from './ListError';
 
 jest.mock('data/redux', () => ({
   selectors: {
     app: {
-      courseId: (...args) => ({ courseId: args }),
+      courseId: jest.fn((state) => state.courseId || 'test-course-id'),
     },
   },
   thunkActions: {
@@ -27,41 +22,60 @@ jest.mock('data/services/lms/urls', () => ({
   openResponse: (courseId) => `api/openResponse/${courseId}`,
 }));
 
-let el;
-jest.useFakeTimers('modern');
-
 describe('ListError component', () => {
-  describe('component', () => {
+  const props = {
-    const props = {
+    courseId: 'test-course-id',
-      courseId: 'test-course-id',
+    initializeApp: jest.fn(),
-    };
+  };
-    beforeEach(() => {
+
-      props.loadSelectionForReview = jest.fn();
+  beforeEach(() => {
-      props.intl = { formatMessage };
+    jest.clearAllMocks();
-      props.initializeApp = jest.fn();
+  });
+
+  describe('behavior', () => {
+    it('renders error alert with proper styling', () => {
+      renderWithIntl(<ListError {...props} />);
+      const alert = screen.getByRole('alert');
+      expect(alert).toBeInTheDocument();
+      expect(alert).toHaveClass('alert-danger');
     });
-    describe('render tests', () => {
+
-      beforeEach(() => {
+    it('displays error heading and message', () => {
-        el = shallow(<ListError {...props} />);
+      renderWithIntl(<ListError {...props} />);
-      });
+      const heading = screen.getByRole('alert').querySelector('.alert-heading');
-      test('snapshot', () => {
+      expect(heading).toBeInTheDocument();
-        expect(el).toMatchSnapshot();
+      expect(heading).toHaveTextContent(messages.loadErrorHeading.defaultMessage);
-      });
+    });
+
+    it('displays try again button', () => {
+      renderWithIntl(<ListError {...props} />);
+      const button = screen.getByRole('button');
+      expect(button).toBeInTheDocument();
+      expect(button).toHaveClass('btn-primary');
+    });
+
+    it('calls initializeApp when try again button is clicked', async () => {
+      renderWithIntl(<ListError {...props} />);
+      const user = userEvent.setup();
+      const button = screen.getByRole('button');
+      await user.click(button);
+      expect(props.initializeApp).toHaveBeenCalledTimes(1);
     });
   });
+
   describe('mapStateToProps', () => {
-    let mapped;
     const testState = { some: 'test-state' };
-    beforeEach(() => {
+    it('maps courseId from app.courseId selector', () => {
-      mapped = mapStateToProps(testState);
+      const mapped = mapStateToProps(testState);
-    });
-    test('courseId loads from app.courseId', () => {
       expect(mapped.courseId).toEqual(selectors.app.courseId(testState));
     });
   });
+
   describe('mapDispatchToProps', () => {
-    it('loads initializeApp from thunkActions.app.initialize', () => {
+    it('maps initializeApp from thunkActions.app.initialize', () => {
-      expect(mapDispatchToProps.initializeApp).toEqual(thunkActions.app.initialize);
+      expect(mapDispatchToProps.initializeApp).toEqual(
+        thunkActions.app.initialize,
+      );
     });
   });
 });

src/containers/ListView/ListView.scss

@@ -1,12 +1,10 @@
-@import "@edx/paragon/scss/core/core";
-
 span.pgn__icon.breadcrumb-arrow {
   width: 16px !important;
   height: 16px !important;
 };
 
 .empty-submission {
-  width: map-get($container-max-widths, "sm");
+  width: var(--pgn-size-container-max-width-sm);
   display: flex;
   flex-direction: column;
   justify-content: center;
@@ -15,7 +13,7 @@ span.pgn__icon.breadcrumb-arrow {
   margin: auto;
 
   > img {
-    padding: map-get($spacers, 5);
+    padding: var(--pgn-spacing-spacer-5);
   }
 }
 
@@ -25,4 +23,14 @@ span.pgn__icon.breadcrumb-arrow {
       margin-bottom: 0;
     }
   }
+
+  @media (--pgn-size-breakpoint-max-width-xs) {
+    .badge {
+      white-space: normal;
+    }
+
+    .pgn__table-actions > div:first-of-type {
+      z-index: var(--pgn-elevation-modal-zindex) !important;
+    }
+  }
 }

src/containers/ListView/ListViewBreadcrumb.jsx

@@ -2,8 +2,8 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 
-import { ArrowBack, Launch } from '@edx/paragon/icons';
+import { ArrowBack, Launch } from '@openedx/paragon/icons';
-import { Hyperlink, Icon } from '@edx/paragon';
+import { Hyperlink, Icon } from '@openedx/paragon';
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 
 import { selectors } from 'data/redux';

src/containers/ListView/ListViewBreadcrumb.test.jsx

@@ -1,12 +1,6 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
-
-import { Hyperlink } from '@edx/paragon';
-
-import * as constants from 'data/constants/app';
-import urls from 'data/services/lms/urls';
 import { selectors } from 'data/redux';
-
+import { renderWithIntl } from '../../testUtils';
 import {
   ListViewBreadcrumb,
   mapStateToProps,
@@ -15,9 +9,9 @@ import {
 jest.mock('data/redux', () => ({
   selectors: {
     app: {
-      courseId: (...args) => ({ courseId: args }),
+      courseId: jest.fn((state) => state.courseId || 'test-course-id'),
       ora: {
-        name: (...args) => ({ oraName: args }),
+        name: jest.fn((state) => state.oraName || 'test-ora-name'),
       },
     },
   },
@@ -28,41 +22,60 @@ jest.mock('data/services/lms/urls', () => ({
   ora: (courseId, locationId) => `oraUrl(${courseId}, ${locationId})`,
 }));
 
-let el;
+jest.mock('data/constants/app', () => ({
+  locationId: () => 'test-location-id',
+}));
 
 describe('ListViewBreadcrumb component', () => {
-  describe('component', () => {
+  const props = {
-    const props = {
+    courseId: 'test-course-id',
-      courseId: 'test-course-id',
+    oraName: 'fake-ora-name',
-      oraName: 'fake-ora-name',
+  };
-    };
+
-    beforeEach(() => {
+  beforeEach(() => {
-      el = shallow(<ListViewBreadcrumb {...props} />);
+    jest.clearAllMocks();
+  });
+
+  describe('behavior', () => {
+    it('renders back to responses link with correct destination', () => {
+      renderWithIntl(<ListViewBreadcrumb {...props} />);
+      const backLink = screen.getAllByRole('link').find(
+        link => link.getAttribute('href') === `openResponseUrl(${props.courseId})`,
+      );
+      expect(backLink).toBeInTheDocument();
     });
-    test('snapshot: empty (no list data)', () => {
+
-      expect(el).toMatchSnapshot();
+    it('displays ORA name in heading', () => {
+      renderWithIntl(<ListViewBreadcrumb {...props} />);
+      const heading = screen.getByText(props.oraName);
+      expect(heading).toBeInTheDocument();
+      expect(heading).toHaveClass('h3');
     });
-    test('openResponse destination', () => {
+
-      expect(
+    it('renders ORA link with correct destination', () => {
-        el.find(Hyperlink).at(0).props().destination,
+      renderWithIntl(<ListViewBreadcrumb {...props} />);
-      ).toEqual(urls.openResponse(props.courseId));
+      const oraLink = screen.getAllByRole('link').find(
+        link => link.getAttribute('href') === `oraUrl(${props.courseId}, test-location-id)`,
+      );
+      expect(oraLink).toBeInTheDocument();
     });
-    test('ora destination', () => {
+
-      expect(
+    it('displays back to responses text', () => {
-        el.find(Hyperlink).at(1).props().destination,
+      renderWithIntl(<ListViewBreadcrumb {...props} />);
-      ).toEqual(urls.ora(props.courseId, constants.locationId()));
+      expect(screen.getByText('Back to all open responses')).toBeInTheDocument();
     });
   });
+
   describe('mapStateToProps', () => {
-    let mapped;
     const testState = { some: 'test-state' };
-    beforeEach(() => {
+
-      mapped = mapStateToProps(testState);
+    it('maps courseId from app.courseId selector', () => {
-    });
+      const mapped = mapStateToProps(testState);
-    test('courseId loads from app.courseId', () => {
       expect(mapped.courseId).toEqual(selectors.app.courseId(testState));
     });
-    test('oraName loads from app.ora.name', () => {
+
+    it('maps oraName from app.ora.name selector', () => {
+      const mapped = mapStateToProps(testState);
       expect(mapped.oraName).toEqual(selectors.app.ora.name(testState));
     });
   });

src/containers/ListView/SelectedBulkAction.jsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import { Button } from '@edx/paragon';
+import { Button } from '@openedx/paragon';
 
 import { FormattedMessage } from '@edx/frontend-platform/i18n';
 

src/containers/ListView/SelectedBulkAction.test.jsx

@@ -1,20 +1,33 @@
-import React from 'react';
+import { screen } from '@testing-library/react';
-import { shallow } from 'enzyme';
+import { renderWithIntl } from '../../testUtils';
-
 import { SelectedBulkAction } from './SelectedBulkAction';
 
 describe('SelectedBulkAction component', () => {
   const props = {
     selectedFlatRows: [{ id: 1 }, { id: 2 }],
-    handleClick: jest.fn(),
+    handleClick: jest.fn(() => () => {}),
   };
-  test('snapshots', () => {
+
-    const el = shallow(<SelectedBulkAction {...props} handleClick={() => jest.fn()} />);
+  beforeEach(() => {
-    expect(el).toMatchSnapshot();
+    jest.clearAllMocks();
   });
 
-  test('handleClick', () => {
+  it('renders button with correct text and selected count', () => {
-    shallow(<SelectedBulkAction {...props} />);
+    renderWithIntl(<SelectedBulkAction {...props} />);
+    const button = screen.getByRole('button');
+    expect(button).toBeInTheDocument();
+    expect(button).toHaveTextContent(`View selected responses (${props.selectedFlatRows.length})`);
+  });
+
+  it('applies correct CSS class to button', () => {
+    renderWithIntl(<SelectedBulkAction {...props} />);
+    const button = screen.getByRole('button');
+    expect(button).toHaveClass('view-selected-responses-btn');
+    expect(button).toHaveClass('btn-primary');
+  });
+
+  it('calls handleClick with selectedFlatRows on render', () => {
+    renderWithIntl(<SelectedBulkAction {...props} />);
     expect(props.handleClick).toHaveBeenCalledWith(props.selectedFlatRows);
   });
 });