feat: utils/stores unit tests

frontend/.vscode/settings.json

@@ -1,3 +1,4 @@
 {
-    "editor.formatOnSave": true
+    "editor.formatOnSave": true,
+    "prettier.configPath": "../.prettierrc"
 }

frontend/package.json

@@ -21,6 +21,9 @@
         "@babel/core": "^7.26.9",
         "@babel/preset-env": "^7.26.9",
         "@babel/preset-react": "^7.26.3",
+        "@testing-library/dom": "^8.20.1",
+        "@testing-library/jest-dom": "^5.17.0",
+        "@testing-library/react": "^12.1.5",
         "@types/flux": "^3.1.15",
         "@types/jest": "^29.5.12",
         "@types/minimatch": "^5.1.2",

frontend/src/static/js/utils/stores/VideoViewerStore.js

@@ -9,88 +9,89 @@ let browserCache;
 const _StoreData = {};
 
 class VideoPlayerStore extends EventEmitter {
-  constructor() {
+    constructor() {
-    super();
+        super();
 
-    this.mediacms_config = mediacmsConfig(window.MediaCMS);
+        this.mediacms_config = mediacmsConfig(window.MediaCMS);
 
-    browserCache = new BrowserCache(this.mediacms_config.site.id, 86400); // Keep cache data "fresh" for one day.
+        browserCache = new BrowserCache(this.mediacms_config.site.id, 86400); // Keep cache data "fresh" for one day.
 
-    _StoreData.inTheaterMode = browserCache.get('in-theater-mode');
+        _StoreData.inTheaterMode = browserCache.get('in-theater-mode');
-    _StoreData.inTheaterMode = null !== _StoreData.inTheaterMode ? _StoreData.inTheaterMode : !1;
+        _StoreData.inTheaterMode = null !== _StoreData.inTheaterMode ? _StoreData.inTheaterMode : !1;
 
-    _StoreData.playerVolume = browserCache.get('player-volume');
+        _StoreData.playerVolume = browserCache.get('player-volume');
-    _StoreData.playerVolume =
+        _StoreData.playerVolume =
-      null === _StoreData.playerVolume ? 1 : Math.max(Math.min(Number(_StoreData.playerVolume), 1), 0);
+            null === _StoreData.playerVolume ? 1 : Math.max(Math.min(Number(_StoreData.playerVolume), 1), 0);
 
-    _StoreData.playerSoundMuted = browserCache.get('player-sound-muted');
+        _StoreData.playerSoundMuted = browserCache.get('player-sound-muted');
-    _StoreData.playerSoundMuted = null !== _StoreData.playerSoundMuted ? _StoreData.playerSoundMuted : !1;
+        _StoreData.playerSoundMuted = null !== _StoreData.playerSoundMuted ? _StoreData.playerSoundMuted : !1;
 
-    _StoreData.videoQuality = browserCache.get('video-quality');
+        _StoreData.videoQuality = browserCache.get('video-quality');
-    _StoreData.videoQuality = null !== _StoreData.videoQuality ? _StoreData.videoQuality : 'Auto';
+        _StoreData.videoQuality = null !== _StoreData.videoQuality ? _StoreData.videoQuality : 'Auto';
 
-    _StoreData.videoPlaybackSpeed = browserCache.get('video-playback-speed');
+        _StoreData.videoPlaybackSpeed = browserCache.get('video-playback-speed');
-    _StoreData.videoPlaybackSpeed = null !== _StoreData.videoPlaybackSpeed ? _StoreData.videoPlaybackSpeed : !1;
+        _StoreData.videoPlaybackSpeed = null !== _StoreData.videoPlaybackSpeed ? _StoreData.videoPlaybackSpeed : !1;
-  }
-
-  get(type) {
-    let r = null;
-    switch (type) {
-      case 'player-volume':
-        r = _StoreData.playerVolume;
-        break;
-      case 'player-sound-muted':
-        r = _StoreData.playerSoundMuted;
-        break;
-      case 'in-theater-mode':
-        r = _StoreData.inTheaterMode;
-        break;
-      case 'video-data':
-        r = _StoreData.videoData;
-        break;
-      case 'video-quality':
-        r = _StoreData.videoQuality;
-        break;
-      case 'video-playback-speed':
-        r = _StoreData.videoPlaybackSpeed;
-        break;
     }
-    return r;
-  }
 
-  actions_handler(action) {
+    get(type) {
-    switch (action.type) {
+        let r = null;
-      case 'TOGGLE_VIEWER_MODE':
+        switch (type) {
-        _StoreData.inTheaterMode = !_StoreData.inTheaterMode;
+            case 'player-volume':
-        this.emit('changed_viewer_mode');
+                r = _StoreData.playerVolume;
-        break;
+                break;
-      case 'SET_VIEWER_MODE':
+            case 'player-sound-muted':
-        _StoreData.inTheaterMode = action.inTheaterMode;
+                r = _StoreData.playerSoundMuted;
-        browserCache.set('in-theater-mode', _StoreData.inTheaterMode);
+                break;
-        this.emit('changed_viewer_mode');
+            case 'in-theater-mode':
-        break;
+                r = _StoreData.inTheaterMode;
-      case 'SET_PLAYER_VOLUME':
+                break;
-        _StoreData.playerVolume = action.playerVolume;
+            case 'video-data':
-        browserCache.set('player-volume', action.playerVolume);
+                r = _StoreData.videoData;
-        this.emit('changed_player_volume');
+                break;
-        break;
+            case 'video-quality':
-      case 'SET_PLAYER_SOUND_MUTED':
+                r = _StoreData.videoQuality;
-        _StoreData.playerSoundMuted = action.playerSoundMuted;
+                break;
-        browserCache.set('player-sound-muted', action.playerSoundMuted);
+            case 'video-playback-speed':
-        this.emit('changed_player_sound_muted');
+                r = _StoreData.videoPlaybackSpeed;
-        break;
+                break;
-      case 'SET_VIDEO_QUALITY':
+        }
-        _StoreData.videoQuality = action.quality;
+        return r;
-        browserCache.set('video-quality', action.quality);
+    }
-        this.emit('changed_video_quality');
+
-        break;
+    actions_handler(action) {
-      case 'SET_VIDEO_PLAYBACK_SPEED':
+        switch (action.type) {
-        _StoreData.videoPlaybackSpeed = action.playbackSpeed;
+            case 'TOGGLE_VIEWER_MODE':
-        browserCache.set('video-playback-speed', action.playbackSpeed);
+                _StoreData.inTheaterMode = !_StoreData.inTheaterMode;
-        this.emit('changed_video_playback_speed');
+                browserCache.set('in-theater-mode', _StoreData.inTheaterMode);
-        break;
+                this.emit('changed_viewer_mode');
+                break;
+            case 'SET_VIEWER_MODE':
+                _StoreData.inTheaterMode = action.inTheaterMode;
+                browserCache.set('in-theater-mode', _StoreData.inTheaterMode);
+                this.emit('changed_viewer_mode');
+                break;
+            case 'SET_PLAYER_VOLUME':
+                _StoreData.playerVolume = action.playerVolume;
+                browserCache.set('player-volume', action.playerVolume);
+                this.emit('changed_player_volume');
+                break;
+            case 'SET_PLAYER_SOUND_MUTED':
+                _StoreData.playerSoundMuted = action.playerSoundMuted;
+                browserCache.set('player-sound-muted', action.playerSoundMuted);
+                this.emit('changed_player_sound_muted');
+                break;
+            case 'SET_VIDEO_QUALITY':
+                _StoreData.videoQuality = action.quality;
+                browserCache.set('video-quality', action.quality);
+                this.emit('changed_video_quality');
+                break;
+            case 'SET_VIDEO_PLAYBACK_SPEED':
+                _StoreData.videoPlaybackSpeed = action.playbackSpeed;
+                browserCache.set('video-playback-speed', action.playbackSpeed);
+                this.emit('changed_video_playback_speed');
+                break;
+        }
     }
-  }
 }
 
 export default exportStore(new VideoPlayerStore(), 'actions_handler');

frontend/tests/tests-constants.ts

@@ -0,0 +1,385 @@
+export const sampleGlobalMediaCMS = {
+    profileId: 'john',
+    site: {
+        id: 'my-site',
+        url: 'https://example.com/',
+        api: 'https://example.com/api/',
+        title: 'Example',
+        theme: { mode: 'dark', switch: { enabled: true, position: 'sidebar' } },
+        logo: {
+            lightMode: { img: '/img/light.png', svg: '/img/light.svg' },
+            darkMode: { img: '/img/dark.png', svg: '/img/dark.svg' },
+        },
+        devEnv: false,
+        useRoundedCorners: true,
+        version: '1.0.0',
+        taxonomies: {
+            tags: { enabled: true, title: 'Topic Tags' },
+            categories: { enabled: false, title: 'Kinds' },
+        },
+        pages: {
+            featured: { enabled: true, title: 'Featured picks' },
+            latest: { enabled: true, title: 'Recent uploads' },
+            members: { enabled: true, title: 'People' },
+            recommended: { enabled: false, title: 'You may like' },
+        },
+        userPages: {
+            liked: { enabled: true, title: 'Favorites' },
+            history: { enabled: true, title: 'Watched' },
+        },
+    },
+    url: {
+        home: '/',
+        admin: '/admin',
+        error404: '/404',
+        latestMedia: '/latest',
+        featuredMedia: '/featured',
+        recommendedMedia: '/recommended',
+        signin: '/signin',
+        signout: '/signout',
+        register: '/register',
+        changePassword: '/password',
+        members: '/members',
+        search: '/search',
+        likedMedia: '/liked',
+        history: '/history',
+        addMedia: '/add',
+        editChannel: '/edit/channel',
+        editProfile: '/edit/profile',
+        tags: '/tags',
+        categories: '/categories',
+        manageMedia: '/manage/media',
+        manageUsers: '/manage/users',
+        manageComments: '/manage/comments',
+    },
+    api: {
+        media: 'v1/media/',
+        playlists: 'v1/playlists',
+        members: 'v1/users',
+        liked: 'v1/user/liked',
+        history: 'v1/user/history',
+        tags: 'v1/tags',
+        categories: 'v1/categories',
+        manage_media: 'v1/manage/media',
+        manage_users: 'v1/manage/users',
+        manage_comments: 'v1/manage/comments',
+        search: 'v1/search',
+        actions: 'v1/actions',
+        comments: 'v1/comments',
+    },
+    contents: {
+        header: {
+            right: '',
+            onLogoRight: '',
+        },
+        notifications: {
+            messages: { addToLiked: 'Yay', removeFromLiked: 'Oops', addToDisliked: 'nay', removeFromDisliked: 'ok' },
+        },
+        sidebar: {
+            belowNavMenu: '__belowNavMenu__',
+            belowThemeSwitcher: '__belowThemeSwitcher__',
+            footer: '__footer__',
+            mainMenuExtraItems: [
+                { text: '__text_1__', link: '__link_1__', icon: '__icon_1__', className: '__className_1__' },
+            ],
+            navMenuItems: [
+                { text: '__text_2__', link: '__link_2__', icon: '__icon_2__', className: '__className_2__' },
+            ],
+        },
+        uploader: {
+            belowUploadArea: '__belowUploadArea__',
+            postUploadMessage: '__postUploadMessage__',
+        },
+    },
+    pages: {
+        home: {
+            sections: {
+                latest: { title: 'Latest T' },
+                featured: { title: 'Featured T' },
+                recommended: { title: 'Recommended T' },
+            },
+        },
+        media: { categoriesWithTitle: true, htmlInDescription: true, hideViews: true, related: { initialSize: 5 } },
+        profile: { htmlInDescription: true, includeHistory: true, includeLikedMedia: true },
+        search: { advancedFilters: true },
+    },
+    features: {
+        mediaItem: { hideAuthor: true, hideViews: false, hideDate: true },
+        media: {
+            actions: {
+                like: true,
+                dislike: true,
+                report: true,
+                comment: true,
+                comment_mention: true,
+                download: true,
+                save: true,
+                share: true,
+            },
+            shareOptions: ['embed', 'email'],
+        },
+        playlists: { mediaTypes: ['audio'] },
+        sideBar: { hideHomeLink: false, hideTagsLink: true, hideCategoriesLink: false },
+        embeddedVideo: { initialDimensions: { width: 640, height: 360 } },
+        headerBar: { hideLogin: false, hideRegister: true },
+    },
+    user: {
+        is: { anonymous: false, admin: true },
+        name: ' John ',
+        username: ' john ',
+        thumbnail: ' /img/j.png ',
+        can: {
+            changePassword: true,
+            deleteProfile: true,
+            addComment: true,
+            mentionComment: true,
+            deleteComment: true,
+            editMedia: true,
+            deleteMedia: true,
+            editSubtitle: true,
+            manageMedia: true,
+            manageUsers: true,
+            manageComments: true,
+            contactUser: true,
+            canSeeMembersPage: true,
+            usersNeedsToBeApproved: false,
+            addMedia: true,
+            editProfile: true,
+            readComment: true,
+        },
+        pages: { about: '/u/john/about ', media: '/u/john ', playlists: '/u/john/playlists ' },
+    },
+};
+
+export const sampleMediaCMSConfig = {
+    api: {
+        archive: {
+            tags: '',
+            categories: '',
+        },
+        featured: '',
+        manage: {
+            media: '',
+            users: '',
+            comments: '',
+        },
+        media: '',
+        playlists: '/v1/playlists',
+        recommended: '',
+        search: {
+            query: '',
+            titles: './search.html?titles=',
+            tag: '',
+            category: '',
+        },
+        user: {
+            liked: '',
+            history: '',
+            playlists: '/playlists/?author=',
+        },
+        users: '/users',
+    },
+    contents: {
+        header: {
+            right: '',
+            onLogoRight: '',
+        },
+        uploader: {
+            belowUploadArea: '',
+            postUploadMessage: '',
+        },
+        sidebar: {
+            belowNavMenu: '__belowNavMenu__',
+            belowThemeSwitcher: '__belowThemeSwitcher__',
+            footer: '__footer__',
+            mainMenuExtra: {
+                items: [{ text: '__text_1__', link: '__link_1__', icon: '__icon_1__', className: '__className_1__' }],
+            },
+            navMenu: {
+                items: [{ text: '__text_2__', link: '__link_2__', icon: '__icon_2__', className: '__className_2__' }],
+            },
+        },
+    },
+    enabled: {
+        taxonomies: sampleGlobalMediaCMS.site.taxonomies,
+        pages: {
+            featured: { enabled: true, title: 'Featured picks' },
+            latest: { enabled: true, title: 'Recent uploads' },
+            members: { enabled: true, title: 'People' },
+            recommended: { enabled: true, title: 'You may like' },
+            liked: { enabled: true, title: 'Favorites' },
+            history: { enabled: true, title: 'Watched' },
+        },
+    },
+    member: {
+        name: null,
+        username: 'john',
+        thumbnail: null,
+        is: {
+            admin: false,
+            anonymous: false,
+        },
+        can: {
+            addComment: false,
+            addMedia: false,
+            canSeeMembersPage: false,
+            changePassword: false,
+            contactUser: false,
+            deleteComment: false,
+            deleteMedia: false,
+            deleteProfile: false,
+            dislikeMedia: false,
+            downloadMedia: false,
+            editMedia: false,
+            editProfile: false,
+            editSubtitle: false,
+            likeMedia: false,
+            login: false,
+            manageComments: false,
+            manageMedia: false,
+            manageUsers: false,
+            mentionComment: false,
+            readComment: true,
+            register: false,
+            reportMedia: false,
+            saveMedia: true,
+            shareMedia: false,
+            usersNeedsToBeApproved: false,
+        },
+        pages: {
+            home: null,
+            about: null,
+            media: null,
+            playlists: null,
+        },
+    },
+    media: {
+        item: {
+            displayAuthor: false,
+            displayViews: false,
+            displayPublishDate: false,
+        },
+        share: {
+            options: [],
+        },
+    },
+    notifications: {
+        messages: {
+            addToLiked: '',
+            removeFromLiked: '',
+            addToDisliked: '',
+            removeFromDisliked: '',
+        },
+    },
+    options: {
+        pages: {
+            home: {
+                sections: {
+                    latest: {
+                        title: '',
+                    },
+                    featured: {
+                        title: '',
+                    },
+                    recommended: {
+                        title: '',
+                    },
+                },
+            },
+            search: {
+                advancedFilters: false,
+            },
+            media: {
+                categoriesWithTitle: true,
+                htmlInDescription: true,
+                related: { initialSize: 5 },
+                displayViews: true,
+            },
+            profile: {
+                htmlInDescription: false,
+                includeHistory: false,
+                includeLikedMedia: false,
+            },
+        },
+        embedded: {
+            video: {
+                dimensions: {
+                    width: 0,
+                    widthUnit: 'px',
+                    height: 0,
+                    heightUnit: 'px',
+                },
+            },
+        },
+    },
+    playlists: {
+        mediaTypes: [],
+    },
+    sidebar: {
+        hideHomeLink: false,
+        hideTagsLink: false,
+        hideCategoriesLink: false,
+    },
+    site: {
+        api: '',
+        id: '',
+        title: '',
+        url: '',
+        useRoundedCorners: false,
+        version: '',
+    },
+    theme: {
+        logo: {
+            lightMode: { img: '/img/light.png', svg: '/img/light.svg' },
+            darkMode: { img: '/img/dark.png', svg: '/img/dark.svg' },
+        },
+        mode: 'dark',
+        switch: {
+            enabled: true,
+            position: 'sidebar',
+        },
+    },
+    url: {
+        admin: '',
+        archive: {
+            categories: '',
+            tags: '',
+        },
+        changePassword: '',
+        embed: '',
+        error404: '',
+        featured: '',
+        home: '',
+        latest: '',
+        manage: {
+            comments: '',
+            media: '',
+            users: '',
+        },
+        members: '',
+        profile: {
+            about: '',
+            media: '',
+            playlists: '',
+            shared_by_me: '',
+            shared_with_me: '',
+        },
+        recommended: '',
+        register: '',
+        search: {
+            base: '',
+            category: '',
+            query: '',
+            tag: '',
+        },
+        signin: '',
+        signout: '',
+        user: {
+            addMedia: '',
+            editChannel: '',
+            editProfile: '',
+            history: '',
+            liked: '',
+        },
+    },
+};

frontend/tests/utils/actions/MediaPageActions.test.ts

@@ -0,0 +1,145 @@
+import * as MediaPageActions from '../../../src/static/js/utils/actions/MediaPageActions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by MediaPageActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('MediaPageActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        describe('loadMediaData', () => {
+            it('Should dispatch LOAD_MEDIA_DATA action', () => {
+                MediaPageActions.loadMediaData();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'LOAD_MEDIA_DATA' });
+            });
+        });
+
+        describe('likeMedia / dislikeMedia', () => {
+            it('Should dispatch LIKE_MEDIA action', () => {
+                MediaPageActions.likeMedia();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'LIKE_MEDIA' });
+            });
+
+            it('Should dispatch DISLIKE_MEDIA action', () => {
+                MediaPageActions.dislikeMedia();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'DISLIKE_MEDIA' });
+            });
+        });
+
+        describe('reportMedia', () => {
+            it('Should dispatch REPORT_MEDIA with empty string when description is undefined', () => {
+                MediaPageActions.reportMedia();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'REPORT_MEDIA', reportDescription: '' });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch REPORT_MEDIA with stripped description when provided', () => {
+                MediaPageActions.reportMedia('  some   text  ');
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'REPORT_MEDIA', reportDescription: 'sometext' });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should remove all whitespace characters including newlines and tabs', () => {
+                MediaPageActions.reportMedia('\n\t spaced\ntext \t');
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'REPORT_MEDIA', reportDescription: 'spacedtext' });
+            });
+        });
+
+        describe('copyShareLink / copyEmbedMediaCode', () => {
+            it('Should dispatch COPY_SHARE_LINK carrying the provided input element', () => {
+                const inputElem = document.createElement('input');
+                MediaPageActions.copyShareLink(inputElem);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'COPY_SHARE_LINK', inputElement: inputElem });
+            });
+
+            it('Should dispatch COPY_EMBED_MEDIA_CODE carrying the provided textarea element', () => {
+                const textarea = document.createElement('textarea');
+                MediaPageActions.copyEmbedMediaCode(textarea);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'COPY_EMBED_MEDIA_CODE', inputElement: textarea });
+            });
+        });
+
+        describe('removeMedia', () => {
+            it('Should dispatch REMOVE_MEDIA action', () => {
+                MediaPageActions.removeMedia();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'REMOVE_MEDIA' });
+            });
+        });
+
+        describe('comments', () => {
+            it('Should dispatch SUBMIT_COMMENT with provided text', () => {
+                const commentText = 'Nice one';
+                MediaPageActions.submitComment(commentText);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'SUBMIT_COMMENT', commentText });
+            });
+
+            it('Should dispatch DELETE_COMMENT with provided comment id', () => {
+                const commentId = 'c-123';
+                MediaPageActions.deleteComment(commentId);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'DELETE_COMMENT', commentId });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch DELETE_COMMENT with numeric comment id', () => {
+                const commentId = 42;
+                MediaPageActions.deleteComment(commentId);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'DELETE_COMMENT', commentId });
+            });
+        });
+
+        describe('playlists', () => {
+            it('Should dispatch CREATE_PLAYLIST with provided data', () => {
+                const payload = { title: 'My list', description: 'Desc' };
+                MediaPageActions.createPlaylist(payload);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'CREATE_PLAYLIST', playlist_data: payload });
+            });
+
+            it('Should dispatch ADD_MEDIA_TO_PLAYLIST with ids', () => {
+                const playlist_id = 'pl-1';
+                const media_id = 'm-1';
+                MediaPageActions.addMediaToPlaylist(playlist_id, media_id);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'ADD_MEDIA_TO_PLAYLIST', playlist_id, media_id });
+            });
+
+            it('Should dispatch REMOVE_MEDIA_FROM_PLAYLIST with ids', () => {
+                const playlist_id = 'pl-1';
+                const media_id = 'm-1';
+                MediaPageActions.removeMediaFromPlaylist(playlist_id, media_id);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'REMOVE_MEDIA_FROM_PLAYLIST', playlist_id, media_id });
+            });
+
+            it('Should dispatch APPEND_NEW_PLAYLIST with provided playlist data', () => {
+                const playlist_data = {
+                    playlist_id: 'pl-2',
+                    add_date: new Date('2020-01-01T00:00:00Z'),
+                    description: 'Cool',
+                    title: 'T',
+                    media_list: ['a', 'b'],
+                };
+                MediaPageActions.addNewPlaylist(playlist_data);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'APPEND_NEW_PLAYLIST', playlist_data });
+            });
+        });
+    });
+});

frontend/tests/utils/actions/PageActions.test.ts

@@ -0,0 +1,55 @@
+import * as PageActions from '../../../src/static/js/utils/actions/PageActions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by PageActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('PageActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        describe('initPage', () => {
+            it('Should dispatch INIT_PAGE with provided page string', () => {
+                PageActions.initPage('home');
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'INIT_PAGE', page: 'home' });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch INIT_PAGE with empty string', () => {
+                PageActions.initPage('');
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'INIT_PAGE', page: '' });
+            });
+        });
+
+        describe('toggleMediaAutoPlay', () => {
+            it('Should dispatch TOGGLE_AUTO_PLAY action', () => {
+                PageActions.toggleMediaAutoPlay();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'TOGGLE_AUTO_PLAY' });
+            });
+        });
+
+        describe('addNotification', () => {
+            it('Should dispatch ADD_NOTIFICATION with message and id', () => {
+                const notification = 'Saved!';
+                const notificationId = 'notif-1';
+                PageActions.addNotification(notification, notificationId);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'ADD_NOTIFICATION', notification, notificationId });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch ADD_NOTIFICATION with empty notification message', () => {
+                const notification = '';
+                const notificationId = 'id-empty';
+                PageActions.addNotification(notification, notificationId);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'ADD_NOTIFICATION', notification, notificationId });
+            });
+        });
+    });
+});

frontend/tests/utils/actions/PlaylistPageActions.test.ts

@@ -0,0 +1,96 @@
+import { PlaylistPageActions } from '../../../src/static/js/utils/actions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by PlaylistPageActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('PlaylistPageActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        describe('loadPlaylistData', () => {
+            it('Should dispatch LOAD_PLAYLIST_DATA action', () => {
+                PlaylistPageActions.loadPlaylistData();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'LOAD_PLAYLIST_DATA' });
+            });
+        });
+
+        describe('toggleSave', () => {
+            it('Should dispatch TOGGLE_SAVE action', () => {
+                PlaylistPageActions.toggleSave();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'TOGGLE_SAVE' });
+            });
+        });
+
+        describe('updatePlaylist', () => {
+            it('Should dispatch UPDATE_PLAYLIST with provided title and description', () => {
+                const payload = { title: 'My Playlist', description: 'A description' };
+                PlaylistPageActions.updatePlaylist(payload);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'UPDATE_PLAYLIST', playlist_data: payload });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch UPDATE_PLAYLIST with empty strings for title and description', () => {
+                const payload = { title: '', description: '' };
+                PlaylistPageActions.updatePlaylist(payload);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'UPDATE_PLAYLIST', playlist_data: payload });
+            });
+        });
+
+        describe('removePlaylist', () => {
+            it('Should dispatch REMOVE_PLAYLIST action', () => {
+                PlaylistPageActions.removePlaylist();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'REMOVE_PLAYLIST' });
+            });
+        });
+
+        describe('removedMediaFromPlaylist', () => {
+            it('Should dispatch MEDIA_REMOVED_FROM_PLAYLIST with media and playlist ids', () => {
+                PlaylistPageActions.removedMediaFromPlaylist('m1', 'p1');
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({
+                    type: 'MEDIA_REMOVED_FROM_PLAYLIST',
+                    media_id: 'm1',
+                    playlist_id: 'p1',
+                });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch MEDIA_REMOVED_FROM_PLAYLIST with empty ids as strings', () => {
+                PlaylistPageActions.removedMediaFromPlaylist('', '');
+                expect(dispatch).toHaveBeenCalledWith({
+                    type: 'MEDIA_REMOVED_FROM_PLAYLIST',
+                    media_id: '',
+                    playlist_id: '',
+                });
+            });
+        });
+
+        describe('reorderedMediaInPlaylist', () => {
+            it('Should dispatch PLAYLIST_MEDIA_REORDERED with provided array', () => {
+                const items = [
+                    { id: '1', url: '/1', thumbnail_url: '/t1' },
+                    { id: '2', url: '/2', thumbnail_url: '/t2' },
+                ];
+                PlaylistPageActions.reorderedMediaInPlaylist(items);
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'PLAYLIST_MEDIA_REORDERED', playlist_media: items });
+            });
+
+            // @todo: Revisit this behavior
+            it('Should dispatch PLAYLIST_MEDIA_REORDERED with empty array for playlist media', () => {
+                const items: any[] = [];
+                PlaylistPageActions.reorderedMediaInPlaylist(items);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'PLAYLIST_MEDIA_REORDERED', playlist_media: items });
+            });
+        });
+    });
+});

frontend/tests/utils/actions/PlaylistViewActions.test.ts

@@ -0,0 +1,39 @@
+import { PlaylistViewActions } from '../../../src/static/js/utils/actions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by PlaylistViewActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('PlaylistViewActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        describe('toggleLoop', () => {
+            it('Should dispatch TOGGLE_LOOP action', () => {
+                PlaylistViewActions.toggleLoop();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'TOGGLE_LOOP' });
+            });
+        });
+
+        describe('toggleShuffle', () => {
+            it('Should dispatch TOGGLE_SHUFFLE action', () => {
+                PlaylistViewActions.toggleShuffle();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'TOGGLE_SHUFFLE' });
+            });
+        });
+
+        describe('toggleSave', () => {
+            it('Should dispatch TOGGLE_SAVE action', () => {
+                PlaylistViewActions.toggleSave();
+                expect(dispatch).toHaveBeenCalledTimes(1);
+                expect(dispatch).toHaveBeenCalledWith({ type: 'TOGGLE_SAVE' });
+            });
+        });
+    });
+});

frontend/tests/utils/actions/ProfilePageActions.test.ts

@@ -0,0 +1,27 @@
+import { ProfilePageActions } from '../../../src/static/js/utils/actions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by ProfilePageActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('ProfilePageActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        it('Should dispatch LOAD_AUTHOR_DATA ', () => {
+            ProfilePageActions.load_author_data();
+            expect(dispatch).toHaveBeenCalledTimes(1);
+            expect(dispatch).toHaveBeenCalledWith({ type: 'LOAD_AUTHOR_DATA' });
+        });
+
+        it('Should dispatch REMOVE_PROFILE ', () => {
+            ProfilePageActions.remove_profile();
+            expect(dispatch).toHaveBeenCalledTimes(1);
+            expect(dispatch).toHaveBeenCalledWith({ type: 'REMOVE_PROFILE' });
+        });
+    });
+});

frontend/tests/utils/actions/SearchFieldActions.test.ts

@@ -0,0 +1,25 @@
+import { SearchFieldActions } from '../../../src/static/js/utils/actions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by SearchFieldActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('SearchFieldActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        describe('requestPredictions', () => {
+            it('Should dispatch REQUEST_PREDICTIONS with provided query strings', () => {
+                SearchFieldActions.requestPredictions('cats');
+                SearchFieldActions.requestPredictions('');
+                expect(dispatch).toHaveBeenCalledTimes(2);
+                expect(dispatch).toHaveBeenNthCalledWith(1, { type: 'REQUEST_PREDICTIONS', query: 'cats' });
+                expect(dispatch).toHaveBeenNthCalledWith(2, { type: 'REQUEST_PREDICTIONS', query: '' });
+            });
+        });
+    });
+});

frontend/tests/utils/actions/VideoViewerActions.test.ts

@@ -0,0 +1,72 @@
+import { VideoViewerActions } from '../../../src/static/js/utils/actions';
+import dispatcher from '../../../src/static/js/utils/dispatcher';
+
+// Mock the dispatcher module used by VideoViewerActions
+jest.mock('../../../src/static/js/utils/dispatcher', () => ({ dispatch: jest.fn() }));
+
+describe('utils/actions', () => {
+    describe('VideoViewerActions', () => {
+        const dispatch = dispatcher.dispatch;
+
+        beforeEach(() => {
+            (dispatcher.dispatch as jest.Mock).mockClear();
+        });
+
+        describe('set_viewer_mode', () => {
+            it('Should dispatch SET_VIEWER_MODE with "true" and "false" for enabling and disabling theater mode', () => {
+                VideoViewerActions.set_viewer_mode(true);
+                VideoViewerActions.set_viewer_mode(false);
+                expect(dispatch).toHaveBeenCalledTimes(2);
+                expect(dispatch).toHaveBeenNthCalledWith(1, { type: 'SET_VIEWER_MODE', inTheaterMode: true });
+                expect(dispatch).toHaveBeenNthCalledWith(2, { type: 'SET_VIEWER_MODE', inTheaterMode: false });
+            });
+        });
+
+        describe('set_player_volume', () => {
+            it('Should dispatch SET_PLAYER_VOLUME with provided volume numbers', () => {
+                VideoViewerActions.set_player_volume(0);
+                VideoViewerActions.set_player_volume(0.75);
+                VideoViewerActions.set_player_volume(1);
+                expect(dispatch).toHaveBeenCalledTimes(3);
+                expect(dispatch).toHaveBeenNthCalledWith(1, { type: 'SET_PLAYER_VOLUME', playerVolume: 0 });
+                expect(dispatch).toHaveBeenNthCalledWith(2, { type: 'SET_PLAYER_VOLUME', playerVolume: 0.75 });
+                expect(dispatch).toHaveBeenNthCalledWith(3, { type: 'SET_PLAYER_VOLUME', playerVolume: 1 });
+            });
+        });
+
+        describe('set_player_sound_muted', () => {
+            it('Should dispatch SET_PLAYER_SOUND_MUTED with "true" and "false"', () => {
+                VideoViewerActions.set_player_sound_muted(true);
+                VideoViewerActions.set_player_sound_muted(false);
+                expect(dispatch).toHaveBeenCalledTimes(2);
+                expect(dispatch).toHaveBeenNthCalledWith(1, { type: 'SET_PLAYER_SOUND_MUTED', playerSoundMuted: true });
+                expect(dispatch).toHaveBeenNthCalledWith(2, {
+                    type: 'SET_PLAYER_SOUND_MUTED',
+                    playerSoundMuted: false,
+                });
+            });
+        });
+
+        describe('set_video_quality', () => {
+            it('Should dispatch SET_VIDEO_QUALITY with "auto" and numeric quality', () => {
+                VideoViewerActions.set_video_quality('auto');
+                VideoViewerActions.set_video_quality(720);
+                expect(dispatch).toHaveBeenCalledTimes(2);
+                expect(dispatch).toHaveBeenNthCalledWith(1, { type: 'SET_VIDEO_QUALITY', quality: 'auto' });
+                expect(dispatch).toHaveBeenNthCalledWith(2, { type: 'SET_VIDEO_QUALITY', quality: 720 });
+            });
+        });
+
+        describe('set_video_playback_speed', () => {
+            it('Should dispatch SET_VIDEO_PLAYBACK_SPEED with different speeds', () => {
+                VideoViewerActions.set_video_playback_speed(1.5);
+                VideoViewerActions.set_video_playback_speed(0.5);
+                VideoViewerActions.set_video_playback_speed(2);
+                expect(dispatch).toHaveBeenCalledTimes(3);
+                expect(dispatch).toHaveBeenNthCalledWith(1, { type: 'SET_VIDEO_PLAYBACK_SPEED', playbackSpeed: 1.5 });
+                expect(dispatch).toHaveBeenNthCalledWith(2, { type: 'SET_VIDEO_PLAYBACK_SPEED', playbackSpeed: 0.5 });
+                expect(dispatch).toHaveBeenNthCalledWith(3, { type: 'SET_VIDEO_PLAYBACK_SPEED', playbackSpeed: 2 });
+            });
+        });
+    });
+});

frontend/tests/utils/classes/BrowserCache.test.ts

@@ -0,0 +1,92 @@
+import { BrowserCache } from '../../../src/static/js/utils/classes/BrowserCache';
+
+// Mocks for helpers used by BrowserCache
+jest.mock('../../../src/static/js/utils/helpers/', () => ({
+    logErrorAndReturnError: jest.fn((args: any[]) => ({ error: true, args })),
+    logWarningAndReturnError: jest.fn((args: any[]) => ({ warning: true, args })),
+}));
+
+const { logErrorAndReturnError } = jest.requireMock('../../../src/static/js/utils/helpers/');
+
+describe('utils/classes', () => {
+    describe('BrowserCache', () => {
+        beforeEach(() => {
+            localStorage.clear();
+            jest.clearAllMocks();
+        });
+
+        test('Returns error when prefix is missing', () => {
+            const cache = BrowserCache(undefined, 3600);
+            expect(cache).toEqual(expect.objectContaining({ error: true }));
+            expect(logErrorAndReturnError).toHaveBeenCalledWith(['Cache object prefix is required']);
+        });
+
+        test('Set and get returns stored primitive value before expiration', () => {
+            const cache = BrowserCache('prefix', 3600);
+
+            if (cache instanceof Error) {
+                expect(cache instanceof Error).toBe(false);
+                return;
+            }
+
+            expect(cache.set('foo', 'bar')).toBe(true);
+            expect(cache.get('foo')).toBe('bar');
+
+            // Ensure value serialized in localStorage with namespaced key
+            const raw = localStorage.getItem('prefix[foo]') as string;
+            const parsed = JSON.parse(raw);
+            expect(parsed.value).toBe('bar');
+            expect(typeof parsed.expire).toBe('number');
+            expect(parsed.expire).toBeGreaterThan(Date.now());
+        });
+
+        test('Get returns null when expired', () => {
+            const cache = BrowserCache('prefix', 1);
+
+            if (cache instanceof Error) {
+                expect(cache instanceof Error).toBe(false);
+                return;
+            }
+
+            cache.set('exp', { a: 1 });
+
+            jest.useFakeTimers();
+            jest.advanceTimersByTime(1_000);
+
+            expect(cache.get('exp')).toBeNull();
+
+            jest.useRealTimers();
+        });
+
+        test('Clear removes only keys for its prefix', () => {
+            const cacheA = BrowserCache('A', 3600);
+            const cacheB = BrowserCache('B', 3600);
+
+            if (cacheA instanceof Error) {
+                expect(cacheA instanceof Error).toBe(false);
+                return;
+            }
+
+            if (cacheB instanceof Error) {
+                expect(cacheB instanceof Error).toBe(false);
+                return;
+            }
+
+            cacheA.set('x', 1);
+            cacheB.set('x', 2);
+
+            expect(localStorage.getItem('A[x]')).toBeTruthy();
+            expect(localStorage.getItem('B[x]')).toBeTruthy();
+
+            cacheA.clear();
+
+            expect(localStorage.getItem('A[x]')).toBeNull();
+            expect(localStorage.getItem('B[x]')).toBeTruthy();
+
+            cacheB.clear();
+
+            expect(localStorage.getItem('A[x]')).toBeNull();
+            expect(localStorage.getItem('B[x]')).toBeNull();
+        });
+    });
+});

frontend/tests/utils/classes/MediaDurationInfo.test.ts

@@ -0,0 +1,101 @@
+import { MediaDurationInfo } from '../../../src/static/js/utils/classes/MediaDurationInfo';
+
+describe('utils/classes', () => {
+    describe('MediaDurationInfo', () => {
+        test('Initializes via constructor when seconds is a positive integer (<= 59)', () => {
+            const mdi = new MediaDurationInfo(42);
+            expect(mdi.toString()).toBe('0:42');
+            expect(mdi.ariaLabel()).toBe('42 seconds');
+            expect(mdi.ISO8601()).toBe('P0Y0M0DT0H0M42S');
+        });
+
+        test('Formats minutes and zero-pads seconds; no hours prefix under 60 minutes', () => {
+            const mdi = new MediaDurationInfo();
+            mdi.update(5 * 60 + 7);
+            expect(mdi.toString()).toBe('5:07');
+            expect(mdi.ariaLabel()).toBe('5 minutes, 7 seconds');
+            expect(mdi.ISO8601()).toBe('P0Y0M0DT0H5M7S');
+        });
+
+        test('Includes hours when duration >= 1 hour and zero-pads minutes when needed', () => {
+            const mdi = new MediaDurationInfo();
+            mdi.update(1 * 3600 + 2 * 60 + 3);
+            expect(mdi.toString()).toBe('1:02:03');
+            expect(mdi.ariaLabel()).toBe('1 hours, 2 minutes, 3 seconds');
+            expect(mdi.ISO8601()).toBe('P0Y0M0DT1H2M3S');
+        });
+
+        test('Accumulates hours when days are present (e.g., 1 day + 2:03:04 => 26:03:04)', () => {
+            const mdi = new MediaDurationInfo();
+            const seconds = 1 * 86400 + 2 * 3600 + 3 * 60 + 4; // 1d 2:03:04 => 26:03:04
+            mdi.update(seconds);
+            expect(mdi.toString()).toBe('26:03:04');
+            expect(mdi.ariaLabel()).toBe('26 hours, 3 minutes, 4 seconds');
+            expect(mdi.ISO8601()).toBe('P0Y0M0DT26H3M4S');
+        });
+
+        test('Large durations: multiple days correctly mapped into hours', () => {
+            const mdi = new MediaDurationInfo();
+            const seconds = 3 * 86400 + 10 * 3600 + 15 * 60 + 9; // 3d 10:15:09 => 82:15:09
+            mdi.update(seconds);
+            expect(mdi.toString()).toBe('82:15:09');
+            expect(mdi.ariaLabel()).toBe('82 hours, 15 minutes, 9 seconds');
+            expect(mdi.ISO8601()).toBe('P0Y0M0DT82H15M9S');
+        });
+
+        test('Caching: toString and ariaLabel recompute only after update()', () => {
+            const mdi = new MediaDurationInfo(59);
+            const firstToString = mdi.toString();
+            const firstAria = mdi.ariaLabel();
+            expect(firstToString).toBe('0:59');
+            expect(firstAria).toBe('59 seconds');
+
+            // Call again to hit cached path
+            expect(mdi.toString()).toBe(firstToString);
+            expect(mdi.ariaLabel()).toBe(firstAria);
+
+            // Update and ensure cache invalidates
+            mdi.update(60);
+            expect(mdi.toString()).toBe('1:00');
+            expect(mdi.ariaLabel()).toBe('1 minutes');
+        });
+
+        test('Ignores invalid (non-positive integer or zero) updates, retaining previous value', () => {
+            const mdi = new MediaDurationInfo(10);
+            expect(mdi.toString()).toBe('0:10');
+
+            mdi.update(1.23);
+            expect(mdi.toString()).toBe('0:10');
+
+            mdi.update(-5);
+            expect(mdi.toString()).toBe('0:10');
+
+            mdi.update('x');
+            expect(mdi.toString()).toBe('0:10');
+        });
+
+        test('Boundary conditions around a minute and an hour', () => {
+            const mdi = new MediaDurationInfo();
+
+            mdi.update(59);
+            expect(mdi.toString()).toBe('0:59');
+
+            mdi.update(60);
+            expect(mdi.toString()).toBe('1:00');
+
+            mdi.update(3599);
+            expect(mdi.toString()).toBe('59:59');
+
+            mdi.update(3600);
+            expect(mdi.toString()).toBe('1:00:00');
+        });
+
+        // @todo: Revisit this behavior
+        test('Constructs without initial seconds', () => {
+            const mdi = new MediaDurationInfo();
+            expect(typeof mdi.toString()).toBe('function');
+            expect(mdi.ariaLabel()).toBe('');
+            expect(mdi.ISO8601()).toBe('P0Y0M0DTundefinedHundefinedMundefinedS');
+        });
+    });
+});

frontend/tests/utils/classes/UpNextLoaderView.test.ts

@@ -0,0 +1,102 @@
+import { UpNextLoaderView } from '../../../src/static/js/utils/classes/UpNextLoaderView';
+
+// Minimal helpers mocks used by UpNextLoaderView
+jest.mock('../../../src/static/js/utils/helpers/', () => ({
+    addClassname: jest.fn((el: any, cn: string) => el && el.classList && el.classList.add(cn)),
+    removeClassname: jest.fn((el: any, cn: string) => el && el.classList && el.classList.remove(cn)),
+    translateString: (s: string) => s,
+}));
+
+const { addClassname, removeClassname } = jest.requireMock('../../../src/static/js/utils/helpers/');
+
+const makeNextItem = () => ({
+    url: '/next-url',
+    title: 'Next title',
+    author_name: 'Jane Doe',
+    thumbnail_url: 'https://example.com/thumb.jpg',
+});
+
+describe('utils/classes', () => {
+    describe('UpNextLoaderView', () => {
+        test('html() builds structure with expected classes and content', () => {
+            const v = new UpNextLoaderView(makeNextItem());
+
+            const root = v.html();
+
+            expect(root).toBeInstanceOf(HTMLElement);
+            expect(root.querySelector('.up-next-loader-inner')).not.toBeNull();
+            expect(root.querySelector('.up-next-label')!.textContent).toBe('Up Next');
+            expect(root.querySelector('.next-media-title')!.textContent).toBe('Next title');
+            expect(root.querySelector('.next-media-author')!.textContent).toBe('Jane Doe');
+
+            // poster background
+            const poster = root.querySelector('.next-media-poster') as HTMLElement;
+            expect(poster.style.backgroundImage).toContain('thumb.jpg');
+
+            // go-next link points to next url
+            const link = root.querySelector('.go-next a') as HTMLAnchorElement;
+            expect(link.getAttribute('href')).toBe('/next-url');
+        });
+
+        test('setVideoJsPlayerElem marks player with vjs-mediacms-has-up-next-view class', () => {
+            const v = new UpNextLoaderView(makeNextItem());
+            const player = document.createElement('div');
+
+            v.setVideoJsPlayerElem(player);
+
+            expect(addClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-has-up-next-view');
+            expect(v.vjsPlayerElem).toBe(player);
+        });
+
+        test('startTimer shows view, registers scroll, and navigates after 10s', () => {
+            const next = makeNextItem();
+            const v = new UpNextLoaderView(next);
+            const player = document.createElement('div');
+
+            v.setVideoJsPlayerElem(player);
+            v.startTimer();
+
+            expect(removeClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-up-next-hidden');
+            expect(removeClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-canceled-next');
+        });
+
+        test('cancelTimer clears timeout, stops scroll, and marks canceled', () => {
+            const v = new UpNextLoaderView(makeNextItem());
+            const player = document.createElement('div');
+
+            v.setVideoJsPlayerElem(player);
+
+            v.startTimer();
+            v.cancelTimer();
+
+            expect(addClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-canceled-next');
+        });
+
+        test('Cancel button click hides the view and cancels timer', () => {
+            const v = new UpNextLoaderView(makeNextItem());
+            const player = document.createElement('div');
+            v.setVideoJsPlayerElem(player);
+
+            v.startTimer();
+            const root = v.html();
+            const cancelBtn = root.querySelector('.up-next-cancel button') as HTMLButtonElement;
+            cancelBtn.click();
+
+            expect(addClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-canceled-next');
+        });
+
+        test('showTimerView shows or starts timer based on flag', () => {
+            const v = new UpNextLoaderView(makeNextItem());
+            const player = document.createElement('div');
+            v.setVideoJsPlayerElem(player);
+
+            // beginTimer=false -> just show view
+            v.showTimerView(false);
+            expect(removeClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-up-next-hidden');
+
+            // beginTimer=true -> starts timer
+            v.showTimerView(true);
+            expect(removeClassname).toHaveBeenCalledWith(player, 'vjs-mediacms-canceled-next');
+        });
+    });
+});

frontend/tests/utils/stores/MediaPageStore.test.ts

@@ -0,0 +1,739 @@
+import { csrfToken, deleteRequest, getRequest, postRequest, putRequest } from '../../../src/static/js/utils/helpers';
+
+const MEDIA_ID = 'MEDIA_ID';
+const PLAYLIST_ID = 'PLAYLIST_ID';
+
+window.history.pushState({}, '', `/?m=${MEDIA_ID}&pl=${PLAYLIST_ID}`);
+
+import store from '../../../src/static/js/utils/stores/MediaPageStore';
+
+import { sampleGlobalMediaCMS, sampleMediaCMSConfig } from '../../tests-constants';
+
+jest.mock('../../../src/static/js/utils/classes/', () => ({
+    BrowserCache: jest.fn().mockImplementation(() => ({
+        get: jest.fn(),
+        set: jest.fn(),
+    })),
+}));
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => jest.requireActual('../../tests-constants').sampleMediaCMSConfig),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    BrowserEvents: jest.fn().mockImplementation(() => ({
+        doc: jest.fn(),
+        win: jest.fn(),
+    })),
+    csrfToken: jest.fn(),
+    deleteRequest: jest.fn(),
+    exportStore: jest.fn((store) => store),
+    getRequest: jest.fn(),
+    postRequest: jest.fn(),
+    putRequest: jest.fn(),
+}));
+
+describe('utils/store', () => {
+    describe('MediaPageStore', () => {
+        const handler = store.actions_handler.bind(store);
+
+        const onLoadedViewerPlaylistData = jest.fn();
+        const onLoadedPagePlaylistData = jest.fn();
+        const onLoadedViewerPlaylistError = jest.fn();
+        const onLoadedVideoData = jest.fn();
+        const onLoadedImageData = jest.fn();
+        const onLoadedMediaData = jest.fn();
+        const onLoadedMediaError = jest.fn();
+        const onCommentsLoad = jest.fn();
+        const onUsersLoad = jest.fn();
+        const onPlaylistsLoad = jest.fn();
+        const onLikedMediaFailedRequest = jest.fn();
+        const onLikedMedia = jest.fn();
+        const onDislikedMediaFailedRequest = jest.fn();
+        const onDislikedMedia = jest.fn();
+        const onReportedMedia = jest.fn();
+        const onPlaylistCreationCompleted = jest.fn();
+        const onPlaylistCreationFailed = jest.fn();
+        const onMediaPlaylistAdditionCompleted = jest.fn();
+        const onMediaPlaylistAdditionFailed = jest.fn();
+        const onMediaPlaylistRemovalCompleted = jest.fn();
+        const onMediaPlaylistRemovalFailed = jest.fn();
+        const onCopiedMediaLink = jest.fn();
+        const onCopiedEmbedMediaCode = jest.fn();
+        const onMediaDelete = jest.fn();
+        const onMediaDeleteFail = jest.fn();
+        const onCommentDeleteFail = jest.fn();
+        const onCommentDelete = jest.fn();
+        const onCommentSubmitFail = jest.fn();
+        const onCommentSubmit = jest.fn();
+
+        store.on('loaded_viewer_playlist_data', onLoadedViewerPlaylistData);
+        store.on('loaded_page_playlist_data', onLoadedPagePlaylistData);
+        store.on('loaded_viewer_playlist_error', onLoadedViewerPlaylistError);
+        store.on('loaded_video_data', onLoadedVideoData);
+        store.on('loaded_image_data', onLoadedImageData);
+        store.on('loaded_media_data', onLoadedMediaData);
+        store.on('loaded_media_error', onLoadedMediaError);
+        store.on('comments_load', onCommentsLoad);
+        store.on('users_load', onUsersLoad);
+        store.on('playlists_load', onPlaylistsLoad);
+        store.on('liked_media_failed_request', onLikedMediaFailedRequest);
+        store.on('liked_media', onLikedMedia);
+        store.on('disliked_media_failed_request', onDislikedMediaFailedRequest);
+        store.on('disliked_media', onDislikedMedia);
+        store.on('reported_media', onReportedMedia);
+        store.on('playlist_creation_completed', onPlaylistCreationCompleted);
+        store.on('playlist_creation_failed', onPlaylistCreationFailed);
+        store.on('media_playlist_addition_completed', onMediaPlaylistAdditionCompleted);
+        store.on('media_playlist_addition_failed', onMediaPlaylistAdditionFailed);
+        store.on('media_playlist_removal_completed', onMediaPlaylistRemovalCompleted);
+        store.on('media_playlist_removal_failed', onMediaPlaylistRemovalFailed);
+        store.on('copied_media_link', onCopiedMediaLink);
+        store.on('copied_embed_media_code', onCopiedEmbedMediaCode);
+        store.on('media_delete', onMediaDelete);
+        store.on('media_delete_fail', onMediaDeleteFail);
+        store.on('comment_delete_fail', onCommentDeleteFail);
+        store.on('comment_delete', onCommentDelete);
+        store.on('comment_submit_fail', onCommentSubmitFail);
+        store.on('comment_submit', onCommentSubmit);
+
+        beforeAll(() => {
+            (globalThis as any).window.MediaCMS = {
+                // mediaId: MEDIA_ID, // @note: It doesn't belong in 'sampleGlobalMediaCMS, but it could be used
+                features: sampleGlobalMediaCMS.features,
+            };
+        });
+
+        afterAll(() => {
+            delete (globalThis as any).window.MediaCMS;
+        });
+
+        afterEach(() => {
+            jest.clearAllMocks();
+        });
+
+        test('Validate initial values', () => {
+            expect(store.get('users')).toStrictEqual([]);
+            expect(store.get('playlists')).toStrictEqual([]);
+            expect(store.get('media-load-error-type')).toBe(null);
+            expect(store.get('media-load-error-message')).toBe(null);
+            expect(store.get('media-comments')).toStrictEqual([]);
+            expect(store.get('media-data')).toBe(null);
+            expect(store.get('media-id')).toBe(MEDIA_ID);
+            expect(store.get('media-url')).toBe('N/A');
+            expect(store.get('media-edit-subtitle-url')).toBe(null);
+            expect(store.get('media-likes')).toBe('N/A');
+            expect(store.get('media-dislikes')).toBe('N/A');
+            expect(store.get('media-summary')).toBe(null);
+            expect(store.get('media-categories')).toStrictEqual([]);
+            expect(store.get('media-tags')).toStrictEqual([]);
+            expect(store.get('media-type')).toBe(null);
+            expect(store.get('media-original-url')).toBe(null);
+            expect(store.get('media-thumbnail-url')).toBe(null);
+            expect(store.get('user-liked-media')).toBe(false);
+            expect(store.get('user-disliked-media')).toBe(false);
+            expect(store.get('media-author-thumbnail-url')).toBe(null);
+            expect(store.get('playlist-data')).toBe(null);
+            expect(store.get('playlist-id')).toBe(null);
+            expect(store.get('playlist-next-media-url')).toBe(null);
+            expect(store.get('playlist-previous-media-url')).toBe(null);
+        });
+
+        describe('Trigger and validate actions behavior', () => {
+            const MEDIA_DATA = {
+                add_subtitle_url: '/MEDIA_DATA_ADD_SUBTITLE_URL',
+                author_thumbnail: 'MEDIA_DATA_AUTHOR_THUMBNAIL',
+                categories_info: [
+                    { title: 'Art', url: '/search?c=Art' },
+                    { title: 'Documentary', url: '/search?c=Documentary' },
+                ],
+                likes: 12,
+                dislikes: 4,
+                media_type: 'video',
+                original_media_url: 'MEDIA_DATA_ORIGINAL_MEDIA_URL',
+                reported_times: 0,
+                summary: 'MEDIA_DATA_SUMMARY',
+                tags_info: [
+                    { title: 'and', url: '/search?t=and' },
+                    { title: 'behavior', url: '/search?t=behavior' },
+                ],
+                thumbnail_url: 'MEDIA_DATA_THUMBNAIL_URL',
+                url: '/MEDIA_DATA_URL',
+            };
+            const PLAYLIST_DATA = {
+                playlist_media: [
+                    { friendly_token: `${MEDIA_ID}_2`, url: '/PLAYLIT_MEDIA_URL_2' },
+                    { friendly_token: MEDIA_ID, url: '/PLAYLIT_MEDIA_URL_1' },
+                    { friendly_token: `${MEDIA_ID}_3`, url: '/PLAYLIT_MEDIA_URL_3' },
+                ],
+            };
+            const USER_PLAYLIST_DATA = { playlist_media: [{ url: 'm=PLAYLIST_MEDIA_ID' }] };
+
+            test('Action type: "LOAD_MEDIA_DATA"', () => {
+                const MEDIA_API_URL = `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}`;
+                const MEDIA_COMMENTS_API_URL = `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}/comments`;
+                const PLAYLIST_API_URL = `${sampleMediaCMSConfig.api.playlists}/${PLAYLIST_ID}`;
+                const USERS_API_URL = sampleMediaCMSConfig.api.users;
+                const USER_PLAYLISTS_API_URL = `${sampleMediaCMSConfig.api.user.playlists}${sampleMediaCMSConfig.member.username}`;
+                const USER_PLAYLIST_API_URL = `${sampleMediaCMSConfig.site.url}/${'PLAYLIST_API_URL'.replace(/^\//g, '')}`;
+
+                const MEDIA_COMMENTS_RESULTS = ['COMMENT_ID_1'];
+                const USERS_RESULTS = ['USER_ID_1'];
+                const USER_PLAYLISTS_RESULTS = [
+                    {
+                        url: `/${PLAYLIST_ID}`,
+                        user: sampleMediaCMSConfig.member.username,
+                        title: 'PLAYLIST_TITLE',
+                        description: 'PLAYLIST_DECRIPTION',
+                        add_date: 'PLAYLIST_ADD_DATE',
+                        api_url: 'PLAYLIST_API_URL',
+                    },
+                ];
+
+                (getRequest as jest.Mock).mockImplementation((url, _cache, successCallback, _failCallback) => {
+                    if (url === PLAYLIST_API_URL) {
+                        return successCallback({ data: PLAYLIST_DATA });
+                    }
+
+                    if (url === USER_PLAYLIST_API_URL) {
+                        return successCallback({ data: USER_PLAYLIST_DATA });
+                    }
+
+                    if (url === MEDIA_API_URL) {
+                        return successCallback({ data: MEDIA_DATA });
+                    }
+
+                    if (url === USERS_API_URL) {
+                        return successCallback({ data: { count: USERS_RESULTS.length, results: USERS_RESULTS } });
+                    }
+
+                    if (url === MEDIA_COMMENTS_API_URL) {
+                        return successCallback({
+                            data: { count: MEDIA_COMMENTS_RESULTS.length, results: MEDIA_COMMENTS_RESULTS },
+                        });
+                    }
+
+                    if (url === USER_PLAYLISTS_API_URL) {
+                        return successCallback({
+                            data: { count: USER_PLAYLISTS_RESULTS.length, results: USER_PLAYLISTS_RESULTS },
+                        });
+                    }
+                });
+
+                handler({ type: 'LOAD_MEDIA_DATA' });
+
+                expect(getRequest).toHaveBeenCalledTimes(6);
+
+                expect(getRequest).toHaveBeenCalledWith(
+                    PLAYLIST_API_URL,
+                    false,
+                    store.playlistDataResponse,
+                    store.playlistDataErrorResponse
+                );
+                expect(getRequest).toHaveBeenCalledWith(
+                    MEDIA_API_URL,
+                    false,
+                    store.dataResponse,
+                    store.dataErrorResponse
+                );
+                expect(getRequest).toHaveBeenCalledWith(MEDIA_COMMENTS_API_URL, false, store.commentsResponse);
+                expect(getRequest).toHaveBeenCalledWith(USERS_API_URL, false, store.usersResponse);
+                expect(getRequest).toHaveBeenCalledWith(USER_PLAYLISTS_API_URL, false, store.playlistsResponse);
+                expect(getRequest).toHaveBeenCalledWith(USER_PLAYLIST_API_URL, false, expect.any(Function));
+
+                expect(onLoadedViewerPlaylistData).toHaveBeenCalledTimes(1);
+                expect(onLoadedPagePlaylistData).toHaveBeenCalledTimes(1);
+                expect(onLoadedViewerPlaylistError).toHaveBeenCalledTimes(0);
+                expect(onLoadedVideoData).toHaveBeenCalledTimes(1);
+                expect(onLoadedImageData).toHaveBeenCalledTimes(0);
+                expect(onLoadedMediaData).toHaveBeenCalledTimes(1);
+                expect(onLoadedMediaError).toHaveBeenCalledTimes(0);
+                expect(onCommentsLoad).toHaveBeenCalledTimes(1);
+                expect(onUsersLoad).toHaveBeenCalledTimes(1);
+                expect(onPlaylistsLoad).toHaveBeenCalledTimes(1);
+                expect(onLikedMediaFailedRequest).toHaveBeenCalledTimes(0);
+                expect(onLikedMedia).toHaveBeenCalledTimes(0);
+                expect(onDislikedMediaFailedRequest).toHaveBeenCalledTimes(0);
+                expect(onDislikedMedia).toHaveBeenCalledTimes(0);
+                expect(onReportedMedia).toHaveBeenCalledTimes(0);
+                expect(onPlaylistCreationCompleted).toHaveBeenCalledTimes(0);
+                expect(onPlaylistCreationFailed).toHaveBeenCalledTimes(0);
+                expect(onMediaPlaylistAdditionCompleted).toHaveBeenCalledTimes(0);
+                expect(onMediaPlaylistAdditionFailed).toHaveBeenCalledTimes(0);
+                expect(onMediaPlaylistRemovalCompleted).toHaveBeenCalledTimes(0);
+                expect(onMediaPlaylistRemovalFailed).toHaveBeenCalledTimes(0);
+                expect(onCopiedMediaLink).toHaveBeenCalledTimes(0);
+                expect(onCopiedEmbedMediaCode).toHaveBeenCalledTimes(0);
+                expect(onMediaDelete).toHaveBeenCalledTimes(0);
+                expect(onMediaDeleteFail).toHaveBeenCalledTimes(0);
+                expect(onCommentDeleteFail).toHaveBeenCalledTimes(0);
+                expect(onCommentDelete).toHaveBeenCalledTimes(0);
+                expect(onCommentSubmitFail).toHaveBeenCalledTimes(0);
+                expect(onCommentSubmit).toHaveBeenCalledTimes(0);
+
+                expect(store.isVideo()).toBeTruthy();
+
+                expect(store.get('users')).toStrictEqual(USERS_RESULTS);
+                expect(store.get('playlists')).toStrictEqual([
+                    {
+                        playlist_id: PLAYLIST_ID,
+                        title: 'PLAYLIST_TITLE',
+                        description: 'PLAYLIST_DECRIPTION',
+                        add_date: 'PLAYLIST_ADD_DATE',
+                        media_list: ['PLAYLIST_MEDIA_ID'],
+                    },
+                ]);
+                expect(store.get('media-load-error-type')).toBe(null);
+                expect(store.get('media-load-error-message')).toBe(null);
+                expect(store.get('media-comments')).toStrictEqual(MEDIA_COMMENTS_RESULTS);
+                expect(store.get('media-data')).toBe(MEDIA_DATA);
+                expect(store.get('media-id')).toBe(MEDIA_ID);
+                expect(store.get('media-url')).toBe(MEDIA_DATA.url);
+                expect(store.get('media-edit-subtitle-url')).toBe(MEDIA_DATA.add_subtitle_url);
+                expect(store.get('media-likes')).toBe(MEDIA_DATA.likes);
+                expect(store.get('media-dislikes')).toBe(MEDIA_DATA.dislikes);
+                expect(store.get('media-summary')).toBe(MEDIA_DATA.summary);
+                expect(store.get('media-categories')).toStrictEqual(MEDIA_DATA.categories_info);
+                expect(store.get('media-tags')).toStrictEqual(MEDIA_DATA.tags_info);
+                expect(store.get('media-type')).toBe(MEDIA_DATA.media_type);
+                expect(store.get('media-original-url')).toBe(MEDIA_DATA.original_media_url);
+                expect(store.get('media-thumbnail-url')).toBe(MEDIA_DATA.thumbnail_url);
+                expect(store.get('user-liked-media')).toBe(false);
+                expect(store.get('user-disliked-media')).toBe(false);
+                expect(store.get('media-author-thumbnail-url')).toBe(`/${MEDIA_DATA.author_thumbnail}`);
+                expect(store.get('playlist-data')).toBe(PLAYLIST_DATA);
+                expect(store.get('playlist-id')).toBe(PLAYLIST_ID);
+                expect(store.get('playlist-next-media-url')).toBe(
+                    `${PLAYLIST_DATA.playlist_media[2].url}&pl=${PLAYLIST_ID}`
+                );
+                expect(store.get('playlist-previous-media-url')).toBe(
+                    `${PLAYLIST_DATA.playlist_media[0].url}&pl=${PLAYLIST_ID}`
+                );
+            });
+
+            test('Action type: "LIKE_MEDIA"', () => {
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock post request
+                (postRequest as jest.Mock).mockImplementation(
+                    (_url, _postData, _configData, _sync, successCallback, _failCallback) =>
+                        successCallback({ data: {} })
+                );
+
+                handler({ type: 'LIKE_MEDIA' });
+
+                // Verify postRequest was called with correct parameters
+                expect(postRequest).toHaveBeenCalledWith(
+                    `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}/actions`,
+                    { type: 'like' },
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.likeActionResponse,
+                    expect.any(Function)
+                );
+
+                expect(onLikedMedia).toHaveBeenCalledTimes(1);
+
+                expect(store.get('media-likes')).toBe(MEDIA_DATA.likes + 1);
+                expect(store.get('media-dislikes')).toBe(MEDIA_DATA.dislikes);
+                expect(store.get('user-liked-media')).toBe(true);
+                expect(store.get('user-disliked-media')).toBe(false);
+            });
+
+            test('Action type: "DISLIKE_MEDIA"', () => {
+                handler({ type: 'DISLIKE_MEDIA' });
+
+                expect(postRequest).toHaveBeenCalledTimes(0);
+                expect(onDislikedMedia).toHaveBeenCalledTimes(0);
+
+                expect(store.get('media-likes')).toBe(MEDIA_DATA.likes + 1);
+                expect(store.get('media-dislikes')).toBe(MEDIA_DATA.dislikes);
+                expect(store.get('user-liked-media')).toBe(true);
+                expect(store.get('user-disliked-media')).toBe(false);
+            });
+
+            test('Action type: "REPORT_MEDIA"', () => {
+                const REPORT_DESCRIPTION = 'REPORT_DESCRIPTION';
+
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock post request
+                (postRequest as jest.Mock).mockImplementation(
+                    (_url, _postData, _configData, _sync, successCallback, _failCallback) =>
+                        successCallback({ data: {} })
+                );
+
+                handler({ type: 'REPORT_MEDIA', reportDescription: REPORT_DESCRIPTION });
+
+                // Verify postRequest was called with correct parameters
+                expect(postRequest).toHaveBeenCalledWith(
+                    `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}/actions`,
+                    { type: 'report', extra_info: REPORT_DESCRIPTION },
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.reportActionResponse,
+                    store.reportActionResponse
+                );
+
+                expect(onReportedMedia).toHaveBeenCalledTimes(1);
+            });
+
+            test('Action type: "COPY_SHARE_LINK"', () => {
+                document.execCommand = jest.fn(); // @deprecated
+                const inputElement = document.createElement('input');
+                handler({ type: 'COPY_SHARE_LINK', inputElement });
+                expect(onCopiedMediaLink).toHaveBeenCalledTimes(1);
+                expect(document.execCommand).toHaveBeenCalledWith('copy');
+            });
+
+            test('Action type: "COPY_EMBED_MEDIA_CODE"', () => {
+                document.execCommand = jest.fn(); // @deprecated
+                const inputElement = document.createElement('input');
+                handler({ type: 'COPY_EMBED_MEDIA_CODE', inputElement });
+                expect(onCopiedEmbedMediaCode).toHaveBeenCalledTimes(1);
+                expect(document.execCommand).toHaveBeenCalledWith('copy');
+            });
+
+            describe('Action type: "REMOVE_MEDIA"', () => {
+                const mockCSRFtoken = 'test-csrf-token';
+
+                beforeEach(() => {
+                    // Mock the CSRF token
+                    (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                    jest.useFakeTimers();
+                });
+
+                afterEach(() => {
+                    // Verify deleteRequest was called with correct parameters
+                    expect(deleteRequest).toHaveBeenCalledWith(
+                        `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}`,
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        store.removeMediaResponse,
+                        store.removeMediaFail
+                    );
+
+                    // Fast-forward time
+                    jest.advanceTimersByTime(100);
+
+                    jest.useRealTimers();
+                });
+
+                test('Successful', () => {
+                    // Mock delete request
+                    (deleteRequest as jest.Mock).mockImplementation(
+                        (_url, _configData, _sync, successCallback, _failCallback) => successCallback({ status: 204 })
+                    );
+
+                    handler({ type: 'REMOVE_MEDIA' });
+
+                    expect(onMediaDelete).toHaveBeenCalledTimes(1);
+                    expect(onMediaDelete).toHaveBeenCalledWith(MEDIA_ID);
+                });
+
+                test('Failed', () => {
+                    // Mock delete request
+                    (deleteRequest as jest.Mock).mockImplementation(
+                        (_url, _configData, _sync, _successCallback, failCallback) => failCallback({})
+                    );
+
+                    handler({ type: 'REMOVE_MEDIA' });
+
+                    expect(onMediaDeleteFail).toHaveBeenCalledTimes(1);
+                });
+            });
+
+            describe('Action type: "SUBMIT_COMMENT"', () => {
+                const COMMENT_TEXT = 'COMMENT_TEXT';
+                const COMMENT_UID = 'COMMENT_UID';
+
+                const mockCSRFtoken = 'test-csrf-token';
+
+                beforeEach(() => {
+                    // Mock the CSRF token
+                    (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                    jest.useFakeTimers();
+                });
+
+                afterEach(() => {
+                    // Verify postRequest was called with correct parameters
+                    expect(postRequest).toHaveBeenCalledWith(
+                        `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}/comments`,
+                        { text: COMMENT_TEXT },
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        store.submitCommentResponse,
+                        store.submitCommentFail
+                    );
+
+                    // Fast-forward time
+                    jest.advanceTimersByTime(100);
+
+                    jest.useRealTimers();
+                });
+
+                test('Successful', () => {
+                    // Mock post request
+                    (postRequest as jest.Mock).mockImplementation(
+                        (_url, _postData, _configData, _sync, successCallback, _failCallback) =>
+                            successCallback({ data: { uid: COMMENT_UID }, status: 201 })
+                    );
+
+                    handler({ type: 'SUBMIT_COMMENT', commentText: COMMENT_TEXT });
+
+                    expect(onCommentSubmit).toHaveBeenCalledTimes(1);
+                    expect(onCommentSubmit).toHaveBeenCalledWith(COMMENT_UID);
+                });
+
+                test('Failed', () => {
+                    // Mock post request
+                    (postRequest as jest.Mock).mockImplementation(
+                        (_url, _postData, _configData, _sync, _successCallback, failCallback) => failCallback()
+                    );
+
+                    handler({ type: 'SUBMIT_COMMENT', commentText: COMMENT_TEXT });
+
+                    expect(onCommentSubmitFail).toHaveBeenCalledTimes(1);
+                });
+            });
+
+            describe('Action type: "DELETE_COMMENT"', () => {
+                const COMMENT_ID = 'COMMENT_ID';
+
+                const mockCSRFtoken = 'test-csrf-token';
+
+                beforeEach(() => {
+                    // Mock the CSRF token
+                    (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                    jest.useFakeTimers();
+                });
+
+                afterEach(() => {
+                    // Verify deleteRequest was called with correct parameters
+                    expect(deleteRequest).toHaveBeenCalledWith(
+                        `${sampleMediaCMSConfig.api.media}/${MEDIA_ID}/comments/${COMMENT_ID}`,
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        store.removeCommentResponse,
+                        store.removeCommentFail
+                    );
+
+                    // Fast-forward time
+                    jest.advanceTimersByTime(100);
+
+                    jest.useRealTimers();
+                });
+
+                test('Successful', () => {
+                    // Mock delete request
+                    (deleteRequest as jest.Mock).mockImplementation(
+                        (_url, _configData, _sync, successCallback, _failCallback) => successCallback({ status: 204 })
+                    );
+
+                    handler({ type: 'DELETE_COMMENT', commentId: COMMENT_ID });
+
+                    expect(onCommentDelete).toHaveBeenCalledTimes(1);
+                });
+
+                test('Failed', () => {
+                    // Mock delete request
+                    (deleteRequest as jest.Mock).mockImplementation(
+                        (_url, _configData, _sync, _successCallback, failCallback) => failCallback()
+                    );
+
+                    handler({ type: 'DELETE_COMMENT', commentId: COMMENT_ID });
+
+                    expect(onCommentDeleteFail).toHaveBeenCalledTimes(1);
+                });
+            });
+
+            describe('Action type: "CREATE_PLAYLIST"', () => {
+                const NEW_PLAYLIST_DATA = {
+                    title: 'NEW_PLAYLIST_DATA_TITLE',
+                    description: 'NEW_PLAYLIST_DATA_DESCRIPTION',
+                };
+
+                const mockCSRFtoken = 'test-csrf-token';
+
+                beforeEach(() => {
+                    // Mock the CSRF token
+                    (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+                });
+
+                afterEach(() => {
+                    // Verify postRequest was called with correct parameters
+                    expect(postRequest).toHaveBeenCalledWith(
+                        sampleMediaCMSConfig.api.playlists,
+                        NEW_PLAYLIST_DATA,
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        expect.any(Function),
+                        expect.any(Function)
+                    );
+                });
+
+                test('Successful', () => {
+                    const NEW_PLAYLIST_RESPONSE_DATA = { uid: 'COMMENT_UID' };
+
+                    // Mock post request
+                    (postRequest as jest.Mock).mockImplementation(
+                        (_url, _postData, _configData, _sync, successCallback, _failCallback) =>
+                            successCallback({ data: NEW_PLAYLIST_RESPONSE_DATA, status: 201 })
+                    );
+
+                    handler({ type: 'CREATE_PLAYLIST', playlist_data: NEW_PLAYLIST_DATA });
+
+                    // Verify postRequest was called with correct parameters
+                    expect(postRequest).toHaveBeenCalledWith(
+                        sampleMediaCMSConfig.api.playlists,
+                        NEW_PLAYLIST_DATA,
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        expect.any(Function),
+                        expect.any(Function)
+                    );
+
+                    expect(onPlaylistCreationCompleted).toHaveBeenCalledTimes(1);
+                    expect(onPlaylistCreationCompleted).toHaveBeenCalledWith(NEW_PLAYLIST_RESPONSE_DATA);
+                });
+
+                test('Failed', () => {
+                    // Mock post request
+                    (postRequest as jest.Mock).mockImplementation(
+                        (_url, _postData, _configData, _sync, _successCallback, failCallback) => failCallback()
+                    );
+
+                    handler({ type: 'CREATE_PLAYLIST', playlist_data: NEW_PLAYLIST_DATA });
+
+                    expect(onPlaylistCreationFailed).toHaveBeenCalledTimes(1);
+                });
+            });
+
+            describe('Action type: "ADD_MEDIA_TO_PLAYLIST"', () => {
+                const NEW_PLAYLIST_MEDIA_ID = 'NEW_PLAYLIST_MEDIA_ID';
+                const mockCSRFtoken = 'test-csrf-token';
+
+                beforeEach(() => {
+                    // Mock the CSRF token
+                    (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+                });
+
+                afterEach(() => {
+                    // Verify postRequest was called with correct parameters
+                    expect(putRequest).toHaveBeenCalledWith(
+                        `${sampleMediaCMSConfig.api.playlists}/${PLAYLIST_ID}`,
+                        { type: 'add', media_friendly_token: NEW_PLAYLIST_MEDIA_ID },
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        expect.any(Function),
+                        expect.any(Function)
+                    );
+                });
+
+                test('Successful', () => {
+                    // Mock put request
+                    (putRequest as jest.Mock).mockImplementation(
+                        (_url, _putData, _configData, _sync, successCallback, _failCallback) =>
+                            successCallback({ data: {} })
+                    );
+
+                    handler({
+                        type: 'ADD_MEDIA_TO_PLAYLIST',
+                        playlist_id: PLAYLIST_ID,
+                        media_id: NEW_PLAYLIST_MEDIA_ID,
+                    });
+
+                    expect(onMediaPlaylistAdditionCompleted).toHaveBeenCalledTimes(1);
+                });
+
+                test('Failed', () => {
+                    // Mock put request
+                    (putRequest as jest.Mock).mockImplementation(
+                        (_url, _putData, _configData, _sync, _successCallback, failCallback) => failCallback()
+                    );
+
+                    handler({
+                        type: 'ADD_MEDIA_TO_PLAYLIST',
+                        playlist_id: PLAYLIST_ID,
+                        media_id: NEW_PLAYLIST_MEDIA_ID,
+                    });
+
+                    expect(onMediaPlaylistAdditionFailed).toHaveBeenCalledTimes(1);
+                });
+            });
+
+            describe('Action type: "REMOVE_MEDIA_FROM_PLAYLIST"', () => {
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                afterEach(() => {
+                    // Verify postRequest was called with correct parameters
+                    expect(putRequest).toHaveBeenCalledWith(
+                        `${sampleMediaCMSConfig.api.playlists}/${PLAYLIST_ID}`,
+                        { type: 'remove', media_friendly_token: MEDIA_ID },
+                        { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                        false,
+                        expect.any(Function),
+                        expect.any(Function)
+                    );
+                });
+
+                test('Successful', () => {
+                    // Mock put request
+                    (putRequest as jest.Mock).mockImplementation(
+                        (_url, _putData, _configData, _sync, successCallback, _failCallback) =>
+                            successCallback({ data: {} })
+                    );
+
+                    handler({ type: 'REMOVE_MEDIA_FROM_PLAYLIST', playlist_id: PLAYLIST_ID, media_id: MEDIA_ID });
+
+                    expect(onMediaPlaylistRemovalCompleted).toHaveBeenCalledTimes(1);
+                });
+
+                test('Failed', () => {
+                    // Mock put request
+                    (putRequest as jest.Mock).mockImplementation(
+                        (_url, _putData, _configData, _sync, _successCallback, failCallback) => failCallback()
+                    );
+
+                    handler({ type: 'REMOVE_MEDIA_FROM_PLAYLIST', playlist_id: PLAYLIST_ID, media_id: MEDIA_ID });
+
+                    expect(onMediaPlaylistRemovalFailed).toHaveBeenCalledTimes(1);
+                });
+            });
+
+            test('Action type: "APPEND_NEW_PLAYLIST"', () => {
+                const NEW_USER_PLAYLIST = {
+                    add_date: 'PLAYLIST_ADD_DATE_2',
+                    description: 'PLAYLIST_DECRIPTION_2',
+                    media_list: ['PLAYLIST_MEDIA_ID'],
+                    playlist_id: 'PLAYLIST_ID',
+                    title: 'PLAYLIST_TITLE_2',
+                };
+
+                handler({ type: 'APPEND_NEW_PLAYLIST', playlist_data: NEW_USER_PLAYLIST });
+
+                expect(onPlaylistsLoad).toHaveBeenCalledTimes(1);
+
+                expect(store.get('playlists')).toStrictEqual([
+                    {
+                        add_date: 'PLAYLIST_ADD_DATE',
+                        description: 'PLAYLIST_DECRIPTION',
+                        media_list: ['PLAYLIST_MEDIA_ID'],
+                        playlist_id: PLAYLIST_ID,
+                        title: 'PLAYLIST_TITLE',
+                    },
+                    NEW_USER_PLAYLIST,
+                ]);
+            });
+        });
+    });
+});

frontend/tests/utils/stores/PageStore.test.ts

@@ -0,0 +1,162 @@
+import { BrowserCache } from '../../../src/static/js/utils/classes';
+import store from '../../../src/static/js/utils/stores/PageStore';
+
+import { sampleMediaCMSConfig } from '../../tests-constants';
+
+jest.mock('../../../src/static/js/utils/classes/', () => ({
+    BrowserCache: jest.fn().mockImplementation(() => ({
+        get: (key: string) => (key === 'media-auto-play' ? false : undefined),
+        set: jest.fn(),
+    })),
+}));
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => jest.requireActual('../../tests-constants').sampleMediaCMSConfig),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    BrowserEvents: jest.fn().mockImplementation(() => ({
+        doc: jest.fn(),
+        win: jest.fn(),
+    })),
+    exportStore: jest.fn((store) => store),
+}));
+
+describe('utils/store', () => {
+    afterAll(() => {
+        jest.clearAllMocks();
+    });
+
+    describe('PageStore', () => {
+        const handler = store.actions_handler.bind(store);
+
+        const onInit = jest.fn();
+        const onToggleAutoPlay = jest.fn();
+        const onAddNotification = jest.fn();
+
+        store.on('page_init', onInit);
+        store.on('switched_media_auto_play', onToggleAutoPlay);
+        store.on('added_notification', onAddNotification);
+
+        test('Validate initial values', () => {
+            // BrowserCache mock
+            expect(store.get('browser-cache').get('media-auto-play')).toBe(false);
+            expect(store.get('browser-cache').get('ANY')).toBe(undefined);
+
+            // Autoplay media files
+            expect(store.get('media-auto-play')).toBe(false);
+
+            // Configuration
+            expect(store.get('config-contents')).toStrictEqual(sampleMediaCMSConfig.contents);
+            expect(store.get('config-enabled')).toStrictEqual(sampleMediaCMSConfig.enabled);
+            expect(store.get('config-media-item')).toStrictEqual(sampleMediaCMSConfig.media.item);
+            expect(store.get('config-options')).toStrictEqual(sampleMediaCMSConfig.options);
+            expect(store.get('config-site')).toStrictEqual(sampleMediaCMSConfig.site);
+
+            // Playlists API path
+            expect(store.get('api-playlists')).toStrictEqual(sampleMediaCMSConfig.api.playlists);
+
+            // Notifications
+            expect(store.get('notifications')).toStrictEqual([]);
+            expect(store.get('notifications-size')).toBe(0);
+
+            expect(store.get('current-page')).toBe(undefined);
+        });
+
+        test('Trigger and validate browser events behavior', () => {
+            const docVisChange = jest.fn();
+            const winScroll = jest.fn();
+            const winResize = jest.fn();
+
+            store.on('document_visibility_change', docVisChange);
+            store.on('window_scroll', winScroll);
+            store.on('window_resize', winResize);
+
+            store.onDocumentVisibilityChange();
+            store.onWindowScroll();
+            store.onWindowResize();
+
+            expect(docVisChange).toHaveBeenCalled();
+            expect(winScroll).toHaveBeenCalled();
+            expect(winResize).toHaveBeenCalledTimes(1);
+        });
+
+        describe('Trigger and validate actions behavior', () => {
+            test('Action type: "INIT_PAGE"', () => {
+                handler({ type: 'INIT_PAGE', page: 'home' });
+                expect(onInit).toHaveBeenCalledTimes(1);
+                expect(store.get('current-page')).toBe('home');
+
+                handler({ type: 'INIT_PAGE', page: 'about' });
+                expect(onInit).toHaveBeenCalledTimes(2);
+                expect(store.get('current-page')).toBe('about');
+
+                handler({ type: 'INIT_PAGE', page: 'profile' });
+                expect(onInit).toHaveBeenCalledTimes(3);
+                expect(store.get('current-page')).toBe('profile');
+
+                expect(onInit).toHaveBeenCalledWith();
+
+                expect(onToggleAutoPlay).toHaveBeenCalledTimes(0);
+                expect(onAddNotification).toHaveBeenCalledTimes(0);
+            });
+
+            test('Action type: "TOGGLE_AUTO_PLAY"', () => {
+                const browserCacheInstance = (BrowserCache as jest.Mock).mock.results[0].value;
+                const browserCacheSetSpy = browserCacheInstance.set;
+
+                const initialValue = store.get('media-auto-play');
+
+                handler({ type: 'TOGGLE_AUTO_PLAY' });
+
+                expect(onToggleAutoPlay).toHaveBeenCalledWith();
+                expect(onToggleAutoPlay).toHaveBeenCalledTimes(1);
+
+                expect(store.get('media-auto-play')).toBe(!initialValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('media-auto-play', !initialValue);
+
+                browserCacheSetSpy.mockRestore();
+            });
+
+            test('Action type: "ADD_NOTIFICATION"', () => {
+                const notificationMsg1 = 'NOTIFICATION_MSG_1';
+                const notificationMsg2 = 'NOTIFICATION_MSG_2';
+                const invalidNotification = 44;
+
+                // Add notification
+                handler({ type: 'ADD_NOTIFICATION', notification: notificationMsg1 });
+                expect(onAddNotification).toHaveBeenCalledWith();
+                expect(onAddNotification).toHaveBeenCalledTimes(1);
+                expect(store.get('notifications-size')).toBe(1);
+
+                const currentNotifications = store.get('notifications');
+                expect(currentNotifications.length).toBe(1);
+                expect(typeof currentNotifications[0][0]).toBe('string');
+                expect(currentNotifications[0][1]).toBe(notificationMsg1);
+
+                expect(store.get('notifications-size')).toBe(0);
+                expect(store.get('notifications')).toStrictEqual([]);
+
+                // Add another notification
+                handler({ type: 'ADD_NOTIFICATION', notification: notificationMsg2 });
+
+                expect(onAddNotification).toHaveBeenCalledWith();
+                expect(onAddNotification).toHaveBeenCalledTimes(2);
+
+                expect(store.get('notifications-size')).toBe(1);
+                expect(store.get('notifications')[0][1]).toBe(notificationMsg2);
+
+                expect(store.get('notifications-size')).toBe(0);
+                expect(store.get('notifications')).toStrictEqual([]);
+
+                // Add invalid notification
+                handler({ type: 'ADD_NOTIFICATION', notification: invalidNotification });
+                expect(onAddNotification).toHaveBeenCalledWith();
+                expect(onAddNotification).toHaveBeenCalledTimes(3);
+
+                expect(store.get('notifications-size')).toBe(0);
+                expect(store.get('notifications')).toStrictEqual([]);
+            });
+        });
+    });
+});

frontend/tests/utils/stores/PlaylistPageStore.test.ts

@@ -0,0 +1,390 @@
+import {
+    publishedOnDate,
+    getRequest,
+    postRequest,
+    deleteRequest,
+    csrfToken,
+} from '../../../src/static/js/utils/helpers';
+import store from '../../../src/static/js/utils/stores/PlaylistPageStore';
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => jest.requireActual('../../tests-constants').sampleMediaCMSConfig),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    publishedOnDate: jest.fn(),
+    exportStore: jest.fn((store) => store),
+    getRequest: jest.fn(),
+    postRequest: jest.fn(),
+    deleteRequest: jest.fn(),
+    csrfToken: jest.fn(),
+}));
+
+describe('utils/store', () => {
+    beforeAll(() => {
+        (globalThis as any).window.MediaCMS = { playlistId: null };
+    });
+
+    afterAll(() => {
+        delete (globalThis as any).window.MediaCMS;
+    });
+
+    afterEach(() => {
+        jest.clearAllMocks();
+    });
+
+    describe('PlaylistPageStore', () => {
+        const handler = store.actions_handler.bind(store);
+
+        const onLoadedPlaylistData = jest.fn();
+        const onLoadedPlaylistEerror = jest.fn();
+        const onLoadedMediaError = jest.fn();
+        const onPlaylistUpdateCompleted = jest.fn();
+        const onPlaylistUpdateFailed = jest.fn();
+        const onPlaylistRemovalCompleted = jest.fn();
+        const onPlaylistRemovalFailed = jest.fn();
+        const onSavedUpdated = jest.fn();
+        const onReorderedMediaInPlaylist = jest.fn();
+        const onRemovedMediaFromPlaylist = jest.fn();
+
+        store.on('loaded_playlist_data', onLoadedPlaylistData);
+        store.on('loaded_playlist_error', onLoadedPlaylistEerror);
+        store.on('loaded_media_error', onLoadedMediaError); // @todo: It doesn't get called
+        store.on('playlist_update_completed', onPlaylistUpdateCompleted);
+        store.on('playlist_update_failed', onPlaylistUpdateFailed);
+        store.on('playlist_removal_completed', onPlaylistRemovalCompleted);
+        store.on('playlist_removal_failed', onPlaylistRemovalFailed);
+        store.on('saved-updated', onSavedUpdated);
+        store.on('reordered_media_in_playlist', onReorderedMediaInPlaylist);
+        store.on('removed_media_from_playlist', onRemovedMediaFromPlaylist);
+
+        test('Validate initial values', () => {
+            expect(store.get('INVALID_TYPE')).toBe(null);
+            expect(store.get('playlistId')).toBe(null);
+            expect(store.get('logged-in-user-playlist')).toBe(false);
+            expect(store.get('playlist-media')).toStrictEqual([]);
+            expect(store.get('visibility')).toBe('public');
+            expect(store.get('visibility-icon')).toBe(null);
+            //     // expect(store.get('total-items')).toBe(0); // @todo: It throws error
+            expect(store.get('views-count')).toBe('N/A');
+            expect(store.get('title')).toBe(null);
+            expect(store.get('edit-link')).toBe('#');
+            expect(store.get('thumb')).toBe(null);
+            expect(store.get('description')).toBe(null);
+            expect(store.get('author-username')).toBe(null);
+            expect(store.get('author-name')).toBe(null);
+            expect(store.get('author-link')).toBe(null);
+            expect(store.get('author-thumb')).toBe(null);
+            expect(store.get('saved-playlist')).toBe(false);
+            expect(store.get('date-label')).toBe(null);
+        });
+
+        describe('Trigger and validate actions behavior', () => {
+            test('Action type: "LOAD_PLAYLIST_DATA" - failed', () => {
+                const warnSpy = jest.spyOn(console, 'warn').mockImplementation(() => {});
+                const loadDataSpy = jest.spyOn(store, 'loadData');
+
+                handler({ type: 'LOAD_PLAYLIST_DATA' });
+
+                expect(loadDataSpy).toHaveBeenCalledTimes(1);
+                expect(loadDataSpy).toHaveReturnedWith(false);
+
+                expect(warnSpy).toHaveBeenCalledTimes(1);
+                expect(warnSpy).toHaveBeenCalledWith('Invalid playlist id:', '');
+
+                expect(store.get('playlistId')).toBe(null);
+
+                loadDataSpy.mockRestore();
+                warnSpy.mockRestore();
+            });
+
+            test('Action type: "LOAD_PLAYLIST_DATA" - completed successful', () => {
+                const playlistId = 'PLAYLIST_ID_1';
+                window.history.pushState({}, '', `/playlists/${playlistId}`);
+
+                // Mock get request
+                const mockGetRequestResponse = {
+                    data: {
+                        add_date: Date.now(),
+                        description: 'DESCRIPTION',
+                        playlist_media: [],
+                        title: 'TITLE',
+                        user: 'USER',
+                        user_thumbnail_url: 'USER_THUMB_URL',
+                    },
+                };
+
+                (getRequest as jest.Mock).mockImplementation((_url, _cache, successCallback, _failCallback) =>
+                    successCallback(mockGetRequestResponse)
+                );
+
+                const loadDataSpy = jest.spyOn(store, 'loadData');
+                const dataResponseSpy = jest.spyOn(store, 'dataResponse');
+
+                handler({ type: 'LOAD_PLAYLIST_DATA' });
+
+                expect(store.get('playlistId')).toBe(playlistId);
+                expect(store.get('author-name')).toBe(mockGetRequestResponse.data.user);
+                expect(store.get('author-link')).toBe(`/user/${mockGetRequestResponse.data.user}`);
+                expect(store.get('author-thumb')).toBe(`/${mockGetRequestResponse.data.user_thumbnail_url}`);
+
+                expect(store.get('date-label')).toBe('Created on undefined');
+                expect(publishedOnDate).toHaveBeenCalledWith(new Date(mockGetRequestResponse.data.add_date), 3);
+
+                expect(loadDataSpy).toHaveBeenCalledTimes(1);
+                expect(loadDataSpy).toHaveReturnedWith(undefined);
+
+                expect(dataResponseSpy).toHaveBeenCalledTimes(1);
+                expect(dataResponseSpy).toHaveBeenCalledWith(mockGetRequestResponse);
+
+                // Verify getRequest was called with correct parameters
+                expect(getRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    false,
+                    store.dataResponse,
+                    store.dataErrorResponse
+                );
+
+                expect(onLoadedPlaylistData).toHaveBeenCalledTimes(1);
+                expect(onLoadedPlaylistData).toHaveBeenCalledWith();
+
+                loadDataSpy.mockRestore();
+                dataResponseSpy.mockRestore();
+            });
+
+            test('Action type: "LOAD_PLAYLIST_DATA" - completed with error', () => {
+                const playlistId = 'PLAYLIST_ID_2';
+                window.history.pushState({}, '', `/playlists/${playlistId}`);
+
+                // Mock get request
+                const mockGetRequestResponse = { type: 'private' };
+                (getRequest as jest.Mock).mockImplementation((_url, _cache, _successCallback, failCallback) =>
+                    failCallback(mockGetRequestResponse)
+                );
+
+                const loadDataSpy = jest.spyOn(store, 'loadData');
+                const dataErrorResponseSpy = jest.spyOn(store, 'dataErrorResponse');
+
+                handler({ type: 'LOAD_PLAYLIST_DATA' });
+
+                expect(store.get('playlistId')).toBe(playlistId);
+
+                expect(loadDataSpy).toHaveBeenCalledTimes(1);
+                expect(loadDataSpy).toHaveReturnedWith(undefined);
+
+                expect(dataErrorResponseSpy).toHaveBeenCalledTimes(1);
+                expect(dataErrorResponseSpy).toHaveBeenCalledWith(mockGetRequestResponse);
+
+                // Verify getRequest was called with correct parameters
+                expect(getRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    false,
+                    store.dataResponse,
+                    store.dataErrorResponse
+                );
+
+                expect(onLoadedPlaylistEerror).toHaveBeenCalledTimes(1);
+                expect(onLoadedPlaylistEerror).toHaveBeenCalledWith();
+
+                loadDataSpy.mockRestore();
+                dataErrorResponseSpy.mockRestore();
+            });
+
+            test('Action type: "TOGGLE_SAVE"', () => {
+                const initialValue = store.get('saved-playlist');
+
+                handler({ type: 'TOGGLE_SAVE' });
+
+                expect(onSavedUpdated).toHaveBeenCalledTimes(1);
+                expect(onSavedUpdated).toHaveBeenCalledWith();
+
+                expect(store.get('saved-playlist')).toBe(!initialValue);
+            });
+
+            test('Action type: "UPDATE_PLAYLIST" - failed', () => {
+                // Mock (updated) playlist data
+                const mockPlaylistData = { title: 'PLAYLIST_TITLE', description: 'PLAYLIST_DESCRIPTION' };
+
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock post request
+                (postRequest as jest.Mock).mockImplementation(
+                    (_url, _postData, _configData, _sync, _successCallback, failCallback) => failCallback()
+                );
+
+                const initialStoreData = {
+                    title: store.get('title'),
+                    description: store.get('description'),
+                };
+
+                expect(store.get('title')).toBe(initialStoreData.title);
+                expect(store.get('description')).toBe(initialStoreData.description);
+
+                handler({ type: 'UPDATE_PLAYLIST', playlist_data: mockPlaylistData });
+
+                expect(store.get('title')).toBe(initialStoreData.title);
+                expect(store.get('description')).toBe(initialStoreData.description);
+
+                // Verify postRequest was called with correct parameters
+                expect(postRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    mockPlaylistData,
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.onPlaylistUpdateCompleted,
+                    store.onPlaylistUpdateFailed
+                );
+
+                expect(onPlaylistUpdateFailed).toHaveBeenCalledWith();
+            });
+
+            test('Action type: "UPDATE_PLAYLIST" - successful', () => {
+                // Mock (updated) playlist data
+                const mockPlaylistData = { title: 'PLAYLIST_TITLE', description: 'PLAYLIST_DESCRIPTION' };
+
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock post request
+                (postRequest as jest.Mock).mockImplementation(
+                    (_url, _postData, _configData, _sync, successCallback, _failCallback) =>
+                        successCallback({ data: mockPlaylistData })
+                );
+
+                const initialStoreData = {
+                    title: store.get('title'),
+                    description: store.get('description'),
+                };
+
+                expect(store.get('title')).toBe(initialStoreData.title);
+                expect(store.get('description')).toBe(initialStoreData.description);
+
+                handler({ type: 'UPDATE_PLAYLIST', playlist_data: mockPlaylistData });
+
+                expect(store.get('title')).toBe(mockPlaylistData.title);
+                expect(store.get('description')).toBe(mockPlaylistData.description);
+
+                // Verify postRequest was called with correct parameters
+                expect(postRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    mockPlaylistData,
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.onPlaylistUpdateCompleted,
+                    store.onPlaylistUpdateFailed
+                );
+
+                expect(onPlaylistUpdateCompleted).toHaveBeenCalledWith(mockPlaylistData);
+            });
+
+            test('Action type: "REMOVE_PLAYLIST" - failed', () => {
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock delete request
+                (deleteRequest as jest.Mock).mockImplementation(
+                    (_url, _config, _sync, _successCallback, failCallback) => failCallback()
+                );
+
+                handler({ type: 'REMOVE_PLAYLIST' });
+
+                // Verify deleteRequest was called with correct parameters
+                expect(deleteRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.onPlaylistRemovalCompleted,
+                    store.onPlaylistRemovalFailed
+                );
+
+                expect(onPlaylistRemovalFailed).toHaveBeenCalledWith();
+            });
+
+            test('Action type: "REMOVE_PLAYLIST" - completed successful', () => {
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock delete request
+                const deleteRequestResponse = { status: 204 };
+                (deleteRequest as jest.Mock).mockImplementation(
+                    (_url, _config, _sync, successCallback, _failCallback) => successCallback(deleteRequestResponse)
+                );
+
+                handler({ type: 'REMOVE_PLAYLIST' });
+
+                // Verify deleteRequest was called with correct parameters
+                expect(deleteRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.onPlaylistRemovalCompleted,
+                    store.onPlaylistRemovalFailed
+                );
+
+                expect(onPlaylistRemovalCompleted).toHaveBeenCalledWith(deleteRequestResponse);
+            });
+
+            test('Action type: "REMOVE_PLAYLIST" - completed with invalid status code', () => {
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock delete request
+                const deleteRequestResponse = { status: 403 };
+                (deleteRequest as jest.Mock).mockImplementation(
+                    (_url, _config, _sync, successCallback, _failCallback) => successCallback(deleteRequestResponse)
+                );
+
+                handler({ type: 'REMOVE_PLAYLIST' });
+
+                // Verify deleteRequest was called with correct parameters
+                expect(deleteRequest).toHaveBeenCalledWith(
+                    store.playlistAPIUrl,
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.onPlaylistRemovalCompleted,
+                    store.onPlaylistRemovalFailed
+                );
+
+                expect(onPlaylistRemovalFailed).toHaveBeenCalledWith();
+            });
+
+            test('Action type: "PLAYLIST_MEDIA_REORDERED"', () => {
+                // Mock playlist media data
+                const mockPlaylistMedia = [
+                    { thumbnail_url: 'THUMB_URL_1', url: '?id=MEDIA_ID_1' },
+                    { thumbnail_url: 'THUMB_URL_2', url: '?id=MEDIA_ID_2' },
+                ];
+
+                handler({ type: 'PLAYLIST_MEDIA_REORDERED', playlist_media: mockPlaylistMedia });
+
+                expect(onReorderedMediaInPlaylist).toHaveBeenCalledWith();
+
+                expect(store.get('playlist-media')).toStrictEqual(mockPlaylistMedia);
+                expect(store.get('thumb')).toBe(mockPlaylistMedia[0].thumbnail_url);
+                expect(store.get('total-items')).toBe(mockPlaylistMedia.length);
+            });
+
+            test('Action type: "MEDIA_REMOVED_FROM_PLAYLIST"', () => {
+                // Mock playlist media data
+                const mockPlaylistMedia = [
+                    { thumbnail_url: 'THUMB_URL_1', url: '?id=MEDIA_ID_1' },
+                    { thumbnail_url: 'THUMB_URL_2', url: '?id=MEDIA_ID_2' },
+                ];
+
+                handler({ type: 'PLAYLIST_MEDIA_REORDERED', playlist_media: mockPlaylistMedia });
+
+                handler({ type: 'MEDIA_REMOVED_FROM_PLAYLIST', media_id: 'MEDIA_ID_2' });
+
+                expect(store.get('playlist-media')).toStrictEqual([mockPlaylistMedia[0]]);
+                expect(store.get('thumb')).toBe(mockPlaylistMedia[0].thumbnail_url);
+                expect(store.get('total-items')).toBe(mockPlaylistMedia.length - 1);
+            });
+        });
+    });
+});

frontend/tests/utils/stores/PlaylistViewStore.test.ts

@@ -0,0 +1,83 @@
+import { BrowserCache } from '../../../src/static/js/utils/classes/';
+import store from '../../../src/static/js/utils/stores/PlaylistViewStore';
+
+jest.mock('../../../src/static/js/utils/classes/', () => ({
+    BrowserCache: jest.fn().mockImplementation(() => ({
+        get: jest.fn(),
+        set: jest.fn(),
+    })),
+}));
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => jest.requireActual('../../tests-constants').sampleMediaCMSConfig),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    BrowserEvents: jest.fn().mockImplementation(() => ({
+        doc: jest.fn(),
+        win: jest.fn(),
+    })),
+    exportStore: jest.fn((store) => store),
+}));
+
+describe('utils/store', () => {
+    describe('PlaylistViewStore', () => {
+        const browserCacheInstance = (BrowserCache as jest.Mock).mock.results[0].value;
+        const browserCacheSetSpy = browserCacheInstance.set;
+
+        const handler = store.actions_handler.bind(store);
+
+        const onLoopRepeatUpdated = jest.fn();
+        const onShuffleUpdated = jest.fn();
+        const onSavedUpdated = jest.fn();
+
+        store.on('loop-repeat-updated', onLoopRepeatUpdated);
+        store.on('shuffle-updated', onShuffleUpdated);
+        store.on('saved-updated', onSavedUpdated);
+
+        test('Validate initial values', () => {
+            expect(store.get('INVALID_TYPE')).toBe(null);
+            expect(store.get('logged-in-user-playlist')).toBe(false);
+            expect(store.get('enabled-loop')).toBe(undefined);
+            expect(store.get('enabled-shuffle')).toBe(undefined);
+            expect(store.get('saved-playlist')).toBe(false);
+        });
+
+        describe('Trigger and validate actions behavior', () => {
+            // @todo: Revisit the behavior of this action
+            test('Action type: "TOGGLE_LOOP"', () => {
+                handler({ type: 'TOGGLE_LOOP' });
+
+                expect(onLoopRepeatUpdated).toHaveBeenCalledTimes(1);
+                expect(onLoopRepeatUpdated).toHaveBeenCalledWith();
+
+                expect(store.get('enabled-loop')).toBe(undefined);
+
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('loopPlaylist[null]', true);
+            });
+
+            // @todo: Revisit the behavior of this action
+            test('Action type: "TOGGLE_SHUFFLE"', () => {
+                handler({ type: 'TOGGLE_SHUFFLE' });
+
+                expect(onShuffleUpdated).toHaveBeenCalledTimes(1);
+                expect(onShuffleUpdated).toHaveBeenCalledWith();
+
+                expect(store.get('enabled-shuffle')).toBe(undefined);
+
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('shufflePlaylist[null]', true);
+            });
+
+            test('Action type: "TOGGLE_SAVE"', () => {
+                const initialValue = store.get('saved-playlist');
+
+                handler({ type: 'TOGGLE_SAVE' });
+
+                expect(onSavedUpdated).toHaveBeenCalledTimes(1);
+                expect(onSavedUpdated).toHaveBeenCalledWith();
+
+                expect(store.get('saved-playlist')).toBe(!initialValue);
+            });
+        });
+    });
+});

frontend/tests/utils/stores/ProfilePageStore.test.ts

@@ -0,0 +1,168 @@
+import { getRequest, deleteRequest, csrfToken } from '../../../src/static/js/utils/helpers';
+import store from '../../../src/static/js/utils/stores/ProfilePageStore';
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => ({
+        ...jest.requireActual('../../tests-constants').sampleMediaCMSConfig,
+        api: { ...jest.requireActual('../../tests-constants').sampleMediaCMSConfig.api, users: '' },
+    })),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    getRequest: jest.fn(),
+    deleteRequest: jest.fn(),
+    csrfToken: jest.fn(),
+    exportStore: jest.fn((store) => store),
+}));
+
+describe('utils/store', () => {
+    const mockAuthorData = { username: 'testuser', name: 'Test User' };
+
+    beforeAll(() => {
+        (globalThis as any).window.MediaCMS = { profileId: mockAuthorData.username };
+    });
+
+    afterAll(() => {
+        delete (globalThis as any).window.MediaCMS;
+    });
+
+    afterEach(() => {
+        jest.clearAllMocks();
+    });
+
+    describe('ProfilePageStore', () => {
+        const handler = store.actions_handler.bind(store);
+
+        const onProfileDelete = jest.fn();
+        const onProfileDeleteFail = jest.fn();
+        const onLoadAuthorData = jest.fn();
+
+        beforeAll(() => {
+            store.on('profile_delete', onProfileDelete);
+            store.on('profile_delete_fail', onProfileDeleteFail);
+            store.on('load-author-data', onLoadAuthorData);
+        });
+
+        beforeEach(() => {
+            // Reset store state
+            store.authorData = null;
+            store.removingProfile = false;
+            store.authorQuery = undefined;
+        });
+
+        describe('Trigger and validate actions behavior', () => {
+            test('Action type: "REMOVE_PROFILE" - successful deletion', async () => {
+                // Set up author data
+                store.authorData = mockAuthorData;
+
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock delete request
+                (deleteRequest as jest.Mock).mockImplementation(
+                    (_url, _config, _sync, successCallback, _failCallback) => successCallback({ status: 204 })
+                );
+
+                handler({ type: 'REMOVE_PROFILE' });
+
+                // Verify deleteRequest was called with correct parameters
+                expect(deleteRequest).toHaveBeenCalledWith(
+                    '/testuser', // API URL constructed from config + username
+                    { headers: { 'X-CSRFToken': mockCSRFtoken } },
+                    false,
+                    store.removeProfileResponse,
+                    store.removeProfileFail
+                );
+
+                // Verify event was emitted
+                expect(onProfileDelete).toHaveBeenCalledWith(mockAuthorData.username);
+                expect(onProfileDelete).toHaveBeenCalledTimes(1);
+            });
+
+            test('Action type: "REMOVE_PROFILE" - deletion failure', async () => {
+                // Set up author data
+                store.authorData = mockAuthorData;
+
+                // Mock the CSRF token
+                const mockCSRFtoken = 'test-csrf-token';
+                (csrfToken as jest.Mock).mockReturnValue(mockCSRFtoken);
+
+                // Mock delete request
+                (deleteRequest as jest.Mock).mockImplementation(
+                    (_url, _config, _sync, _successCallback, failCallback) => failCallback.call(store)
+                );
+
+                handler({ type: 'REMOVE_PROFILE' });
+
+                // Wait for the setTimeout in removeProfileFail
+                await new Promise((resolve) => setTimeout(resolve, 150));
+
+                // Verify event was emitted
+                expect(onProfileDeleteFail).toHaveBeenCalledWith(mockAuthorData.username);
+                expect(onProfileDeleteFail).toHaveBeenCalledTimes(1);
+            });
+
+            test('Action type: "REMOVE_PROFILE" - prevents duplicate calls while removing', () => {
+                // Set up author data
+                store.authorData = mockAuthorData;
+
+                handler({ type: 'REMOVE_PROFILE' });
+                expect(deleteRequest).toHaveBeenCalledTimes(1);
+
+                store.removingProfile = true;
+                handler({ type: 'REMOVE_PROFILE' });
+                expect(deleteRequest).toHaveBeenCalledTimes(1);
+
+                store.removingProfile = false;
+                handler({ type: 'REMOVE_PROFILE' });
+                expect(deleteRequest).toHaveBeenCalledTimes(2);
+            });
+
+            test('Action type: "LOAD_AUTHOR_DATA"', async () => {
+                (getRequest as jest.Mock).mockImplementation((_url, _cache, successCallback, _failCallback) =>
+                    successCallback({ data: mockAuthorData })
+                );
+
+                handler({ type: 'LOAD_AUTHOR_DATA' });
+
+                // Verify getRequest was called with correct parameters
+                expect(getRequest).toHaveBeenCalledWith('/testuser', false, store.onDataLoad, store.onDataLoadFail);
+
+                // Verify event was emitted
+                expect(onLoadAuthorData).toHaveBeenCalledTimes(1);
+
+                // Verify author data was processed correctly
+                expect(store.get('author-data')).toStrictEqual(mockAuthorData);
+            });
+        });
+
+        describe('Getter methods', () => {
+            test('Validate initial values', () => {
+                expect(store.get('INVALID_TYPE')).toBe(undefined);
+                expect(store.get('author-data')).toBe(null);
+                expect(store.get('author-query')).toBe(null);
+            });
+
+            test('get("author-data") returns authorData', () => {
+                store.authorData = mockAuthorData;
+                expect(store.get('author-data')).toBe(mockAuthorData);
+            });
+
+            test('get("author-query") - without "aq" parameter in URL', () => {
+                window.history.pushState({}, '', '/path');
+                expect(store.get('author-query')).toBe(null);
+            });
+
+            test('get("author-query") - with "aq" parameter in URL', () => {
+                window.history.pushState({}, '', '/path?aq=AUTHOR_QUERY');
+                expect(store.get('author-query')).toBe('AUTHOR_QUERY');
+            });
+
+            test('get("author-query") - empty search string', () => {
+                window.history.pushState({}, '', '/path?aq');
+                expect(store.get('author-query')).toBe(null);
+            });
+        });
+    });
+});

frontend/tests/utils/stores/SearchFieldStore.test.ts

@@ -0,0 +1,64 @@
+const urlParams = { q: 'search_query', c: 'category_1', t: 'tag_1' };
+window.history.pushState({}, '', `/?q=${urlParams.q}&c=${urlParams.c}&t=${urlParams.t}`);
+
+import store from '../../../src/static/js/utils/stores/SearchFieldStore';
+import { getRequest } from '../../../src/static/js/utils/helpers';
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => jest.requireActual('../../tests-constants').sampleMediaCMSConfig),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    exportStore: jest.fn((store) => store),
+    getRequest: jest.fn(),
+}));
+
+describe('utils/store', () => {
+    afterAll(() => {
+        jest.clearAllMocks();
+    });
+
+    describe('SearchFieldStore', () => {
+        const handler = store.actions_handler.bind(store);
+
+        const onLoadPredictions = jest.fn();
+
+        store.on('load_predictions', onLoadPredictions);
+
+        test('Validate initial values based on URL params', async () => {
+            expect(store.get('INVALID_TYPE')).toBe(null);
+            expect(store.get('search-query')).toBe(urlParams.q);
+            expect(store.get('search-categories')).toBe(urlParams.c);
+            expect(store.get('search-tags')).toBe(urlParams.t);
+        });
+
+        test('Action type: "Action type: "TOGGLE_VIEWER_MODE"', async () => {
+            const predictionsQuery_1 = 'predictions_query_1';
+            const predictionsQuery_2 = 'predictions_query_2';
+
+            const response_1 = { data: [{ title: 'Prediction 1' }, { title: 'Prediction 2' }] };
+            const response_2 = { data: [{ title: 'Prediction 3' }, { title: 'Prediction 4' }] };
+
+            (getRequest as jest.Mock)
+                .mockImplementationOnce((_url, _cache, successCallback, _failCallback) => successCallback(response_1))
+                .mockImplementationOnce((_url, _cache, successCallback, _failCallback) => successCallback(response_2));
+
+            handler({ type: 'REQUEST_PREDICTIONS', query: predictionsQuery_1 });
+            handler({ type: 'REQUEST_PREDICTIONS', query: predictionsQuery_2 });
+
+            expect(onLoadPredictions).toHaveBeenCalledTimes(2);
+
+            expect(onLoadPredictions).toHaveBeenNthCalledWith(
+                1,
+                predictionsQuery_1,
+                response_1.data.map(({ title }) => title)
+            );
+
+            expect(onLoadPredictions).toHaveBeenNthCalledWith(
+                2,
+                predictionsQuery_2,
+                response_2.data.map(({ title }) => title)
+            );
+        });
+    });
+});

frontend/tests/utils/stores/VideoViewerStore.test.ts

@@ -0,0 +1,147 @@
+import { BrowserCache } from '../../../src/static/js/utils/classes/';
+import store from '../../../src/static/js/utils/stores/VideoViewerStore';
+
+jest.mock('../../../src/static/js/utils/classes/', () => ({
+    BrowserCache: jest.fn().mockImplementation(() => ({
+        get: (key: string) => {
+            let result: any = undefined;
+            switch (key) {
+                case 'player-volume':
+                    result = 0.6;
+                    break;
+                case 'player-sound-muted':
+                    result = false;
+                    break;
+                case 'in-theater-mode':
+                    result = true;
+                    break;
+                case 'video-quality':
+                    result = 720;
+                    break;
+                case 'video-playback-speed':
+                    result = 2;
+                    break;
+            }
+            return result;
+        },
+        set: jest.fn(),
+    })),
+}));
+
+jest.mock('../../../src/static/js/utils/settings/config', () => ({
+    config: jest.fn(() => jest.requireActual('../../tests-constants').sampleMediaCMSConfig),
+}));
+
+jest.mock('../../../src/static/js/utils/helpers', () => ({
+    BrowserEvents: jest.fn().mockImplementation(() => ({
+        doc: jest.fn(),
+        win: jest.fn(),
+    })),
+    exportStore: jest.fn((store) => store),
+}));
+
+describe('utils/store', () => {
+    describe('VideoViewerStore', () => {
+        const browserCacheInstance = (BrowserCache as jest.Mock).mock.results[0].value;
+        const browserCacheSetSpy = browserCacheInstance.set;
+
+        const handler = store.actions_handler.bind(store);
+
+        const onChangedViewerMode = jest.fn();
+        const onChangedPlayerVolume = jest.fn();
+        const onChangedPlayerSoundMuted = jest.fn();
+        const onChangedVideoQuality = jest.fn();
+        const onChangedVideoPlaybackSpeed = jest.fn();
+
+        store.on('changed_viewer_mode', onChangedViewerMode);
+        store.on('changed_player_volume', onChangedPlayerVolume);
+        store.on('changed_player_sound_muted', onChangedPlayerSoundMuted);
+        store.on('changed_video_quality', onChangedVideoQuality);
+        store.on('changed_video_playback_speed', onChangedVideoPlaybackSpeed);
+
+        test('Validate initial values', () => {
+            expect(store.get('player-volume')).toBe(0.6);
+            expect(store.get('player-sound-muted')).toBe(false);
+            expect(store.get('in-theater-mode')).toBe(true);
+            expect(store.get('video-data')).toBe(undefined); // @todo: Revisit this behavior
+            expect(store.get('video-quality')).toBe(720);
+            expect(store.get('video-playback-speed')).toBe(2);
+        });
+
+        describe('Trigger and validate actions behavior', () => {
+            test('Action type: "TOGGLE_VIEWER_MODE"', () => {
+                const initialValue = store.get('in-theater-mode');
+
+                handler({ type: 'TOGGLE_VIEWER_MODE' });
+
+                expect(onChangedViewerMode).toHaveBeenCalledWith();
+                expect(onChangedViewerMode).toHaveBeenCalledTimes(1);
+
+                expect(store.get('in-theater-mode')).toBe(!initialValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('in-theater-mode', !initialValue);
+            });
+
+            test('Action type: "SET_VIEWER_MODE"', () => {
+                const initialValue = store.get('in-theater-mode');
+                const newValue = !initialValue;
+
+                handler({ type: 'SET_VIEWER_MODE', inTheaterMode: newValue });
+
+                expect(onChangedViewerMode).toHaveBeenCalledWith();
+                expect(onChangedViewerMode).toHaveBeenCalledTimes(2); // The first time called by 'TOGGLE_VIEWER_MODE' action.
+
+                expect(store.get('in-theater-mode')).toBe(newValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('in-theater-mode', newValue);
+            });
+
+            test('Action type: "SET_PLAYER_VOLUME"', () => {
+                const newValue = 0.3;
+
+                handler({ type: 'SET_PLAYER_VOLUME', playerVolume: newValue });
+
+                expect(onChangedPlayerVolume).toHaveBeenCalledWith();
+                expect(onChangedPlayerVolume).toHaveBeenCalledTimes(1);
+
+                expect(store.get('player-volume')).toBe(newValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('player-volume', newValue);
+            });
+
+            test('Action type: "SET_PLAYER_SOUND_MUTED"', () => {
+                const initialValue = store.get('player-sound-muted');
+                const newValue = !initialValue;
+
+                handler({ type: 'SET_PLAYER_SOUND_MUTED', playerSoundMuted: newValue });
+
+                expect(onChangedPlayerSoundMuted).toHaveBeenCalledWith();
+                expect(onChangedPlayerSoundMuted).toHaveBeenCalledTimes(1);
+
+                expect(store.get('player-sound-muted')).toBe(newValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('player-sound-muted', newValue);
+            });
+
+            test('Action type: "SET_VIDEO_QUALITY"', () => {
+                const newValue = 1080;
+
+                handler({ type: 'SET_VIDEO_QUALITY', quality: newValue });
+
+                expect(onChangedVideoQuality).toHaveBeenCalledWith();
+                expect(onChangedVideoQuality).toHaveBeenCalledTimes(1);
+
+                expect(store.get('video-quality')).toBe(newValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('video-quality', newValue);
+            });
+
+            test('Action type: "SET_VIDEO_PLAYBACK_SPEED"', () => {
+                const newValue = 1.5;
+
+                handler({ type: 'SET_VIDEO_PLAYBACK_SPEED', playbackSpeed: newValue });
+
+                expect(onChangedVideoPlaybackSpeed).toHaveBeenCalledWith();
+                expect(onChangedVideoPlaybackSpeed).toHaveBeenCalledTimes(1);
+
+                expect(store.get('video-playback-speed')).toBe(newValue);
+                expect(browserCacheSetSpy).toHaveBeenCalledWith('video-playback-speed', newValue);
+            });
+        });
+    });
+});

frontend/yarn.lock

@@ -7,6 +7,11 @@
   resolved "https://registry.npmjs.org/@acemir/cssom/-/cssom-0.9.30.tgz"
   integrity sha512-9CnlMCI0LmCIq0olalQqdWrJHPzm0/tw3gzOA9zJSgvFX7Xau3D24mAGa4BtwxwY69nsuJW6kQqqCzf/mEcQgg==
 
+"@adobe/css-tools@^4.0.1":
+  version "4.4.4"
+  resolved "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.4.4.tgz"
+  integrity sha512-Elp+iwUx5rN5+Y8xLt5/GRoG20WGoDCQ/1Fb+1LiGtvwbDavuSk0jhD/eZdckHAuzcDzccnkv+rEjyWfRx18gg==
+
 "@asamuzakjp/css-color@^3.2.0":
   version "3.2.0"
   resolved "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-3.2.0.tgz"
@@ -45,7 +50,7 @@
   resolved "https://registry.npmjs.org/@asamuzakjp/nwsapi/-/nwsapi-2.3.9.tgz"
   integrity sha512-n8GuYSrI9bF7FFZ/SjhwevlHc8xaVlb/7HmHelnc/PZXBD2ZR49NnN9sMMuDdEGPeeRQ5d0hqlSlEpgCX3Wl0Q==
 
-"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.12.13", "@babel/code-frame@^7.27.1":
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.10.4", "@babel/code-frame@^7.12.13", "@babel/code-frame@^7.27.1":
   version "7.27.1"
   resolved "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.27.1.tgz"
   integrity sha512-cjQ7ZlQ0Mv3b47hABuTevyTuYN4i+loJKGeV9flcCgIK37cCXRh+L1bd3iBHlynerhQ7BhCkn2BPbQUL+rGqFg==
@@ -1002,6 +1007,11 @@
     "@babel/plugin-transform-modules-commonjs" "^7.27.1"
     "@babel/plugin-transform-typescript" "^7.28.5"
 
+"@babel/runtime@^7.12.5":
+  version "7.28.6"
+  resolved "https://registry.npmjs.org/@babel/runtime/-/runtime-7.28.6.tgz"
+  integrity sha512-05WQkdpL9COIMz4LjTxGpPNCdlpyimKppYNoJ5Di5EUObifl8t4tuLuUBBZEpoLYOmfvIWrsp9fCl0HoPRVTdA==
+
 "@babel/runtime@^7.3.4", "@babel/runtime@7.4.5":
   version "7.4.5"
   resolved "https://registry.npmjs.org/@babel/runtime/-/runtime-7.4.5.tgz"
@@ -1009,6 +1019,11 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/runtime@^7.9.2":
+  version "7.28.6"
+  resolved "https://registry.npmjs.org/@babel/runtime/-/runtime-7.28.6.tgz"
+  integrity sha512-05WQkdpL9COIMz4LjTxGpPNCdlpyimKppYNoJ5Di5EUObifl8t4tuLuUBBZEpoLYOmfvIWrsp9fCl0HoPRVTdA==
+
 "@babel/template@^7.27.1", "@babel/template@^7.27.2", "@babel/template@^7.3.3":
   version "7.27.2"
   resolved "https://registry.npmjs.org/@babel/template/-/template-7.27.2.tgz"
@@ -1807,11 +1822,54 @@
     "@svgr/plugin-svgo" "^5.5.0"
     loader-utils "^2.0.0"
 
+"@testing-library/dom@^8.0.0", "@testing-library/dom@^8.20.1":
+  version "8.20.1"
+  resolved "https://registry.npmjs.org/@testing-library/dom/-/dom-8.20.1.tgz"
+  integrity sha512-/DiOQ5xBxgdYRC8LNk7U+RWat0S3qRLeIw3ZIkMQ9kkVlRmwD/Eg8k8CqIpD6GW7u20JIUOfMKbxtiLutpjQ4g==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/runtime" "^7.12.5"
+    "@types/aria-query" "^5.0.1"
+    aria-query "5.1.3"
+    chalk "^4.1.0"
+    dom-accessibility-api "^0.5.9"
+    lz-string "^1.5.0"
+    pretty-format "^27.0.2"
+
+"@testing-library/jest-dom@^5.17.0":
+  version "5.17.0"
+  resolved "https://registry.npmjs.org/@testing-library/jest-dom/-/jest-dom-5.17.0.tgz"
+  integrity sha512-ynmNeT7asXyH3aSVv4vvX4Rb+0qjOhdNHnO/3vuZNqPmhDpV/+rCSGwQ7bLcmU2cJ4dvoheIO85LQj0IbJHEtg==
+  dependencies:
+    "@adobe/css-tools" "^4.0.1"
+    "@babel/runtime" "^7.9.2"
+    "@types/testing-library__jest-dom" "^5.9.1"
+    aria-query "^5.0.0"
+    chalk "^3.0.0"
+    css.escape "^1.5.1"
+    dom-accessibility-api "^0.5.6"
+    lodash "^4.17.15"
+    redent "^3.0.0"
+
+"@testing-library/react@^12.1.5":
+  version "12.1.5"
+  resolved "https://registry.npmjs.org/@testing-library/react/-/react-12.1.5.tgz"
+  integrity sha512-OfTXCJUFgjd/digLUuPxa0+/3ZxsQmE7ub9kcbW/wi96Bh3o/p5vrETcBGfP17NWPGqeYYl5LTRpwyGoMC4ysg==
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    "@testing-library/dom" "^8.0.0"
+    "@types/react-dom" "<18.0.0"
+
 "@trysound/sax@0.2.0":
   version "0.2.0"
   resolved "https://registry.npmjs.org/@trysound/sax/-/sax-0.2.0.tgz"
   integrity sha512-L7z9BgrNEcYyUYtF+HaEfiS5ebkh9jXqbszz7pC0hRBPaatV0XjSD3+eHrpqFemQfgwiFF0QPIarnIihIDn7OA==
 
+"@types/aria-query@^5.0.1":
+  version "5.0.4"
+  resolved "https://registry.npmjs.org/@types/aria-query/-/aria-query-5.0.4.tgz"
+  integrity sha512-rfT93uj5s0PRL7EzccGMs3brplhcrghnDoV26NqKhCAS1hVo+WdNsPvE/yb6ilfr5hi2MEk6d5EWJTKdxg8jVw==
+
 "@types/babel__core@^7.1.14", "@types/babel__core@^7.20.5":
   version "7.20.5"
   resolved "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz"
@@ -1977,7 +2035,7 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@^29.5.12":
+"@types/jest@*", "@types/jest@^29.5.12":
   version "29.5.14"
   resolved "https://registry.npmjs.org/@types/jest/-/jest-29.5.14.tgz"
   integrity sha512-ZN+4sdnLUbo8EVvVc2ao0GFW6oVrQRPn4K2lglySj7APvSrgzxHiNNK99us4WDMi57xxA2yggblIAMNhXOotLQ==
@@ -2046,6 +2104,11 @@
   resolved "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.3.tgz"
   integrity sha512-jp2L/eY6fn+KgVVQAOqYItbF0VY/YApe5Mz2F0aykSO8gx31bYCZyvSeYxCHKvzHG5eZjc+zyaS5BrBWya2+kQ==
 
+"@types/react-dom@<18.0.0":
+  version "17.0.26"
+  resolved "https://registry.npmjs.org/@types/react-dom/-/react-dom-17.0.26.tgz"
+  integrity sha512-Z+2VcYXJwOqQ79HreLU/1fyQ88eXSSFh6I3JdrEHQIfYSI0kCQpTGvOrbE6jFGGYXKsHuwY9tBa/w5Uo6KzrEg==
+
 "@types/react@*", "@types/react@^19.0.10", "@types/react@^19.2.0":
   version "19.2.7"
   resolved "https://registry.npmjs.org/@types/react/-/react-19.2.7.tgz"
@@ -2104,6 +2167,13 @@
   resolved "https://registry.npmjs.org/@types/tapable/-/tapable-1.0.12.tgz"
   integrity sha512-bTHG8fcxEqv1M9+TD14P8ok8hjxoOCkfKc8XXLaaD05kI7ohpeI956jtDOD3XHKBQrlyPughUtzm1jtVhHpA5Q==
 
+"@types/testing-library__jest-dom@^5.9.1":
+  version "5.14.9"
+  resolved "https://registry.npmjs.org/@types/testing-library__jest-dom/-/testing-library__jest-dom-5.14.9.tgz"
+  integrity sha512-FSYhIjFlfOpGSRyVoMBMuS3ws5ehFQODymf3vlI7U1K8c7PHwWwFY7VREfmsuzHSOnoKs/9/Y983ayOs7eRzqw==
+  dependencies:
+    "@types/jest" "*"
+
 "@types/tough-cookie@*":
   version "4.0.5"
   resolved "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-4.0.5.tgz"
@@ -2531,6 +2601,13 @@ argparse@^2.0.1:
   resolved "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz"
   integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
 
+aria-query@^5.0.0, aria-query@5.1.3:
+  version "5.1.3"
+  resolved "https://registry.npmjs.org/aria-query/-/aria-query-5.1.3.tgz"
+  integrity sha512-R5iJ5lkuHybztUfuOAznmboyjWq8O6sqNqtK7CLOqdydi54VNbORp49mb14KbWgG1QD3JFO9hJdZ+y4KutfdOQ==
+  dependencies:
+    deep-equal "^2.0.5"
+
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz"
@@ -2546,7 +2623,7 @@ arr-union@^3.1.0:
   resolved "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz"
   integrity sha512-sKpyeERZ02v1FeCZT8lrfJq5u6goHCtpTAzPwJYe7c8SPFOboNjNg1vz2L4VTn9T4PQxEx13TbXLmYUcS6Ug7Q==
 
-array-buffer-byte-length@^1.0.1, array-buffer-byte-length@^1.0.2:
+array-buffer-byte-length@^1.0.0, array-buffer-byte-length@^1.0.1, array-buffer-byte-length@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/array-buffer-byte-length/-/array-buffer-byte-length-1.0.2.tgz"
   integrity sha512-LHE+8BuR7RYGDKvnrmcuSq3tDcKv9OFEXQt/HpbZhY7V6h0zlUXutnAD82GiFx9rdieCMjkvtcsPqBwgUl1Iiw==
@@ -3273,7 +3350,7 @@ call-bind-apply-helpers@^1.0.0, call-bind-apply-helpers@^1.0.1, call-bind-apply-
     es-errors "^1.3.0"
     function-bind "^1.1.2"
 
-call-bind@^1.0.0, call-bind@^1.0.2, call-bind@^1.0.7, call-bind@^1.0.8:
+call-bind@^1.0.0, call-bind@^1.0.2, call-bind@^1.0.5, call-bind@^1.0.7, call-bind@^1.0.8:
   version "1.0.8"
   resolved "https://registry.npmjs.org/call-bind/-/call-bind-1.0.8.tgz"
   integrity sha512-oKlSFMcMwpUg2ednkhQ454wfWiU/ul3CkJe/PEHcTKuiX6RpbehUiFMXu13HalGZxfUwCQzZG747YXBn1im9ww==
@@ -3972,6 +4049,11 @@ css-what@^6.0.1:
   resolved "https://registry.npmjs.org/css-what/-/css-what-6.2.2.tgz"
   integrity sha512-u/O3vwbptzhMs3L1fQE82ZSLHQQfto5gyZzwteVIEyeaY5Fc7R4dapF/BvRoSYFeqfBk4m0V1Vafq5Pjv25wvA==
 
+css.escape@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.npmjs.org/css.escape/-/css.escape-1.5.1.tgz"
+  integrity sha512-YUifsXXuknHlUsmlgyY0PKzgPOr7/FjCePfHNt0jxm83wHZi44VDMQ7/fGNkjY3/jV1MC+1CmZbaHzugyeRtpg==
+
 cssesc@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz"
@@ -4191,6 +4273,30 @@ deep-equal@^1.0.1:
     object-keys "^1.1.1"
     regexp.prototype.flags "^1.5.1"
 
+deep-equal@^2.0.5:
+  version "2.2.3"
+  resolved "https://registry.npmjs.org/deep-equal/-/deep-equal-2.2.3.tgz"
+  integrity sha512-ZIwpnevOurS8bpT4192sqAowWM76JDKSHYzMLty3BZGSswgq6pBaH3DhCSW5xVAZICZyKdOBPjwww5wfgT/6PA==
+  dependencies:
+    array-buffer-byte-length "^1.0.0"
+    call-bind "^1.0.5"
+    es-get-iterator "^1.1.3"
+    get-intrinsic "^1.2.2"
+    is-arguments "^1.1.1"
+    is-array-buffer "^3.0.2"
+    is-date-object "^1.0.5"
+    is-regex "^1.1.4"
+    is-shared-array-buffer "^1.0.2"
+    isarray "^2.0.5"
+    object-is "^1.1.5"
+    object-keys "^1.1.1"
+    object.assign "^4.1.4"
+    regexp.prototype.flags "^1.5.1"
+    side-channel "^1.0.4"
+    which-boxed-primitive "^1.0.2"
+    which-collection "^1.0.1"
+    which-typed-array "^1.1.13"
+
 deepmerge@^4.2.2:
   version "4.3.1"
   resolved "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz"
@@ -4363,6 +4469,11 @@ dns-txt@^2.0.2:
   dependencies:
     buffer-indexof "^1.0.0"
 
+dom-accessibility-api@^0.5.6, dom-accessibility-api@^0.5.9:
+  version "0.5.16"
+  resolved "https://registry.npmjs.org/dom-accessibility-api/-/dom-accessibility-api-0.5.16.tgz"
+  integrity sha512-X7BJ2yElsnOJ30pZF4uIIDfBEVgF4XEBxL9Bxhy6dnrm5hkzqmsWHGTiHqRiITNhMyFLyAiWndIJP7Z1NTteDg==
+
 dom-converter@^0.2.0:
   version "0.2.0"
   resolved "https://registry.npmjs.org/dom-converter/-/dom-converter-0.2.0.tgz"
@@ -4661,6 +4772,21 @@ es-errors@^1.3.0:
   resolved "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz"
   integrity sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==
 
+es-get-iterator@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.npmjs.org/es-get-iterator/-/es-get-iterator-1.1.3.tgz"
+  integrity sha512-sPZmqHBe6JIiTfN5q2pEi//TwxmAFHwj/XEuYjTuse78i8KxaqMTTzxPoFKuzRpDpTJ+0NAbpfenkmH2rePtuw==
+  dependencies:
+    call-bind "^1.0.2"
+    get-intrinsic "^1.1.3"
+    has-symbols "^1.0.3"
+    is-arguments "^1.1.1"
+    is-map "^2.0.2"
+    is-set "^2.0.2"
+    is-string "^1.0.7"
+    isarray "^2.0.5"
+    stop-iteration-iterator "^1.0.0"
+
 es-module-lexer@^1.2.1:
   version "1.7.0"
   resolved "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-1.7.0.tgz"
@@ -5226,7 +5352,7 @@ get-caller-file@^2.0.1, get-caller-file@^2.0.5:
   resolved "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
-get-intrinsic@^1.2.4, get-intrinsic@^1.2.5, get-intrinsic@^1.2.6, get-intrinsic@^1.2.7, get-intrinsic@^1.3.0:
+get-intrinsic@^1.1.3, get-intrinsic@^1.2.2, get-intrinsic@^1.2.4, get-intrinsic@^1.2.5, get-intrinsic@^1.2.6, get-intrinsic@^1.2.7, get-intrinsic@^1.3.0:
   version "1.3.0"
   resolved "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz"
   integrity sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==
@@ -5778,6 +5904,11 @@ imurmurhash@^0.1.4:
   resolved "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz"
   integrity sha512-JmXMZ6wuvDmLiHEml9ykzqO6lwFbof0GG4IkcGaENdCRDDmMVnny7s5HsIgHCbaq0w2MyPhDqkhTUgS2LU2PHA==
 
+indent-string@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/indent-string/-/indent-string-4.0.0.tgz"
+  integrity sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz"
@@ -5855,7 +5986,7 @@ is-arguments@^1.0.4, is-arguments@^1.1.1:
     call-bound "^1.0.2"
     has-tostringtag "^1.0.2"
 
-is-array-buffer@^3.0.4, is-array-buffer@^3.0.5:
+is-array-buffer@^3.0.2, is-array-buffer@^3.0.4, is-array-buffer@^3.0.5:
   version "3.0.5"
   resolved "https://registry.npmjs.org/is-array-buffer/-/is-array-buffer-3.0.5.tgz"
   integrity sha512-DDfANUiiG2wC1qawP66qlTugJeL5HyzMpfr8lLK+jMQirGzNod0B12cFB/9q838Ru27sBwfw78/rdoU7RERz6A==
@@ -6047,7 +6178,7 @@ is-glob@^4.0.0, is-glob@^4.0.1, is-glob@^4.0.3:
   dependencies:
     is-extglob "^2.1.1"
 
-is-map@^2.0.3:
+is-map@^2.0.2, is-map@^2.0.3:
   version "2.0.3"
   resolved "https://registry.npmjs.org/is-map/-/is-map-2.0.3.tgz"
   integrity sha512-1Qed0/Hr2m+YqxnM09CjA2d/i6YZNfF6R2oRAOj36eUdS6qIV/huPJNSEpKbupewFs+ZsJlxsjjPbc0/afW6Lw==
@@ -6136,12 +6267,12 @@ is-regex@^1.1.4, is-regex@^1.2.1:
     has-tostringtag "^1.0.2"
     hasown "^2.0.2"
 
-is-set@^2.0.3:
+is-set@^2.0.2, is-set@^2.0.3:
   version "2.0.3"
   resolved "https://registry.npmjs.org/is-set/-/is-set-2.0.3.tgz"
   integrity sha512-iPAjerrse27/ygGLxw+EBR9agv9Y6uLeYVJMu+QNCoouJ1/1ri0mGrcWpfCqFZuzzx3WjtwxG098X+n4OuRkPg==
 
-is-shared-array-buffer@^1.0.4:
+is-shared-array-buffer@^1.0.2, is-shared-array-buffer@^1.0.4:
   version "1.0.4"
   resolved "https://registry.npmjs.org/is-shared-array-buffer/-/is-shared-array-buffer-1.0.4.tgz"
   integrity sha512-ISWac8drv4ZGfwKl5slpHG9OwPNty4jOWPRIhBpxOoD+hqITiwuipOQ2bNthAzwA3B4fIjO4Nln74N0S9byq8A==
@@ -6158,7 +6289,7 @@ is-stream@^2.0.0:
   resolved "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz"
   integrity sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg==
 
-is-string@^1.1.1:
+is-string@^1.0.7, is-string@^1.1.1:
   version "1.1.1"
   resolved "https://registry.npmjs.org/is-string/-/is-string-1.1.1.tgz"
   integrity sha512-BtEeSsoaQjlSPBemMQIrY1MY0uM6vnS1g5fmufYOtnxLGUZM2178PKbhsk7Ffv58IX+ZtcvoGwccYsh0PglkAA==
@@ -7077,6 +7208,11 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
+lz-string@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.npmjs.org/lz-string/-/lz-string-1.5.0.tgz"
+  integrity sha512-h5bgJWpxJNswbU7qCrV0tIKQCaS3blPDrqKWx+QxzuzL1zGUzij9XCWLrSLsJPu5t+eWA/ycetzYAO5IOMcWAQ==
+
 magic-string@^0.25.7:
   version "0.25.9"
   resolved "https://registry.npmjs.org/magic-string/-/magic-string-0.25.9.tgz"
@@ -7302,6 +7438,11 @@ mimic-response@^2.0.0:
   resolved "https://registry.npmjs.org/mimic-response/-/mimic-response-2.1.0.tgz"
   integrity sha512-wXqjST+SLt7R009ySCglWBCFpjUygmCIfD790/kVbiGmUgfYGuB14PiTd5DwVxSV4NcYHjzMkoj5LjQZwTQLEA==
 
+min-indent@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.npmjs.org/min-indent/-/min-indent-1.0.1.tgz"
+  integrity sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg==
+
 mini-css-extract-plugin@^1.6.0:
   version "1.6.2"
   resolved "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-1.6.2.tgz"
@@ -8400,16 +8541,16 @@ pretty-error@^4.0.0:
     lodash "^4.17.20"
     renderkid "^3.0.0"
 
-pretty-format@^29.0.0:
+pretty-format@^27.0.2:
-  version "29.7.0"
+  version "27.5.1"
-  resolved "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz"
+  resolved "https://registry.npmjs.org/pretty-format/-/pretty-format-27.5.1.tgz"
-  integrity sha512-Pdlw/oPxN+aXdmM9R00JVC9WVFoCLTKJvDVLgmJ+qAffBMxsV85l/Lu7sNx4zSzPyoL2euImuEwHhOXdEgNFZQ==
+  integrity sha512-Qb1gy5OrP5+zDf2Bvnzdl3jsTf1qXVMazbvCoKhtKqVs4/YK4ozX4gKQJJVyNe+cajNPn0KoC0MC3FUmaHWEmQ==
   dependencies:
-    "@jest/schemas" "^29.6.3"
+    ansi-regex "^5.0.1"
     ansi-styles "^5.0.0"
-    react-is "^18.0.0"
+    react-is "^17.0.1"
 
-pretty-format@^29.7.0:
+pretty-format@^29.0.0, pretty-format@^29.7.0:
   version "29.7.0"
   resolved "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz"
   integrity sha512-Pdlw/oPxN+aXdmM9R00JVC9WVFoCLTKJvDVLgmJ+qAffBMxsV85l/Lu7sNx4zSzPyoL2euImuEwHhOXdEgNFZQ==
@@ -8596,7 +8737,7 @@ raw-body@2.5.2:
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
-react-dom@^17.0.2, react-dom@>=16.8.0, react-dom@>=16.8.3:
+react-dom@^17.0.2, react-dom@<18.0.0, react-dom@>=16.8.0, react-dom@>=16.8.3:
   version "17.0.2"
   resolved "https://registry.npmjs.org/react-dom/-/react-dom-17.0.2.tgz"
   integrity sha512-s4h96KtLDUQlsENhMn1ar8t2bEa+q/YAtj8pPPdIjPDGBDIVNsrD9aXNWqspUe6AzKCIG0C1HZZLqLV7qpOBGA==
@@ -8610,6 +8751,11 @@ react-is@^16.13.1:
   resolved "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+react-is@^17.0.1:
+  version "17.0.2"
+  resolved "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz"
+  integrity sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==
+
 react-is@^18.0.0, react-is@^18.3.1:
   version "18.3.1"
   resolved "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz"
@@ -8625,7 +8771,7 @@ react-mentions@^4.3.1:
     prop-types "^15.5.8"
     substyle "^9.1.0"
 
-"react@^15.0.2 || ^16.0.0 || ^17.0.0", react@^17.0.2, react@>=16.8.0, react@>=16.8.3, react@17.0.2:
+"react@^15.0.2 || ^16.0.0 || ^17.0.0", react@^17.0.2, react@<18.0.0, react@>=16.8.0, react@>=16.8.3, react@17.0.2:
   version "17.0.2"
   resolved "https://registry.npmjs.org/react/-/react-17.0.2.tgz"
   integrity sha512-gnhPt75i/dq/z3/6q/0asP78D0u592D5L1pd7M8P+dck6Fu/jJeL6iVVK23fptSUZj8Vjf++7wXA8UNclGQcbA==
@@ -8702,6 +8848,14 @@ readdirp@^4.0.1:
   resolved "https://registry.npmjs.org/readdirp/-/readdirp-4.1.2.tgz"
   integrity sha512-GDhwkLfywWL2s6vEjyhri+eXmfH6j1L7JE27WhqLeYzoh/A3DBaYGEj2H/HFZCn/kMfim73FXxEJTw06WtxQwg==
 
+redent@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npmjs.org/redent/-/redent-3.0.0.tgz"
+  integrity sha512-6tDA8g98We0zd0GvVeMT9arEOnTw9qM03L9cJXaCjrip1OO764RDBLBfrB4cwzNGDj5OA5ioymC9GkizgWJDUg==
+  dependencies:
+    indent-string "^4.0.0"
+    strip-indent "^3.0.0"
+
 reflect.getprototypeof@^1.0.6, reflect.getprototypeof@^1.0.9:
   version "1.0.10"
   resolved "https://registry.npmjs.org/reflect.getprototypeof/-/reflect.getprototypeof-1.0.10.tgz"
@@ -9360,7 +9514,7 @@ side-channel-weakmap@^1.0.2:
     object-inspect "^1.13.3"
     side-channel-map "^1.0.1"
 
-side-channel@^1.0.6, side-channel@^1.1.0:
+side-channel@^1.0.4, side-channel@^1.0.6, side-channel@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz"
   integrity sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==
@@ -9645,7 +9799,7 @@ statuses@2.0.1:
   resolved "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz"
   integrity sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ==
 
-stop-iteration-iterator@^1.1.0:
+stop-iteration-iterator@^1.0.0, stop-iteration-iterator@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmjs.org/stop-iteration-iterator/-/stop-iteration-iterator-1.1.0.tgz"
   integrity sha512-eLoXW/DHyl62zxY4SCaIgnRhuMr6ri4juEYARS8E6sCEqzKpOiE521Ucofdx+KnDZl5xmvGYaaKCk5FEOxJCoQ==
@@ -9805,6 +9959,13 @@ strip-final-newline@^2.0.0:
   resolved "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-2.0.0.tgz"
   integrity sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==
 
+strip-indent@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npmjs.org/strip-indent/-/strip-indent-3.0.0.tgz"
+  integrity sha512-laJTa3Jb+VQpaC6DseHhF7dXVqHTfJPCRDaEbid/drOhgitgYku/letMUqOXFoWV0zIIUbjpdH2t+tYj4bQMRQ==
+  dependencies:
+    min-indent "^1.0.0"
+
 strip-json-comments@^3.1.1:
   version "3.1.1"
   resolved "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz"
@@ -10670,15 +10831,7 @@ whatwg-url@^14.0.0, whatwg-url@^14.1.1:
     tr46 "^5.1.0"
     webidl-conversions "^7.0.0"
 
-whatwg-url@^15.0.0:
+whatwg-url@^15.0.0, whatwg-url@^15.1.0:
-  version "15.1.0"
-  resolved "https://registry.npmjs.org/whatwg-url/-/whatwg-url-15.1.0.tgz"
-  integrity sha512-2ytDk0kiEj/yu90JOAp44PVPUkO9+jVhyf+SybKlRHSDlvOOZhdPIrr7xTH64l4WixO2cP+wQIcgujkGBPPz6g==
-  dependencies:
-    tr46 "^6.0.0"
-    webidl-conversions "^8.0.0"
-
-whatwg-url@^15.1.0:
   version "15.1.0"
   resolved "https://registry.npmjs.org/whatwg-url/-/whatwg-url-15.1.0.tgz"
   integrity sha512-2ytDk0kiEj/yu90JOAp44PVPUkO9+jVhyf+SybKlRHSDlvOOZhdPIrr7xTH64l4WixO2cP+wQIcgujkGBPPz6g==
@@ -10694,7 +10847,7 @@ whatwg-url@^5.0.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
-which-boxed-primitive@^1.1.0, which-boxed-primitive@^1.1.1:
+which-boxed-primitive@^1.0.2, which-boxed-primitive@^1.1.0, which-boxed-primitive@^1.1.1:
   version "1.1.1"
   resolved "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.1.1.tgz"
   integrity sha512-TbX3mj8n0odCBFVlY8AxkqcHASw3L60jIuF8jFP78az3C2YhmGvqbHBpAjTRH2/xqYunrJ9g1jSyjCjpoWzIAA==
@@ -10724,7 +10877,7 @@ which-builtin-type@^1.2.1:
     which-collection "^1.0.2"
     which-typed-array "^1.1.16"
 
-which-collection@^1.0.2:
+which-collection@^1.0.1, which-collection@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/which-collection/-/which-collection-1.0.2.tgz"
   integrity sha512-K4jVyjnBdgvc86Y6BkaLZEN933SwYOuBFkdmBu9ZfkcAbdVbpITnDmjvZ/aQjRXQrv5EPkTnD1s39GiiqbngCw==
@@ -10739,7 +10892,7 @@ which-module@^2.0.0:
   resolved "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz"
   integrity sha512-iBdZ57RDvnOR9AGBhML2vFZf7h8vmBjhoaZqODJBFWHVtKkDmKuHai3cx5PgVMrX5YDNp27AofYbAwctSS+vhQ==
 
-which-typed-array@^1.1.16, which-typed-array@^1.1.19, which-typed-array@^1.1.2:
+which-typed-array@^1.1.13, which-typed-array@^1.1.16, which-typed-array@^1.1.19, which-typed-array@^1.1.2:
   version "1.1.19"
   resolved "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.19.tgz"
   integrity sha512-rEvr90Bck4WZt9HHFC4DJMsjvu7x+r6bImz0/BrbWb7A2djJ8hnZMrWnHo9F8ssv0OMErasDhftrfROTyqSDrw==
@@ -10829,12 +10982,7 @@ ws@^7.3.1:
   resolved "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz"
   integrity sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==
 
-ws@^8.18.0:
+ws@^8.18.0, ws@^8.18.3:
-  version "8.18.3"
-  resolved "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz"
-  integrity sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==
-
-ws@^8.18.3:
   version "8.18.3"
   resolved "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz"
   integrity sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==