[mattermostGH-12000] Add tests for loadRecentlyUsedCustomEmojis action (

mattermost#4247)

Automatic Merge

actions/emoji_actions.mock.test.js

@@ -0,0 +1,78 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import thunk from 'redux-thunk';
+import configureStore from 'redux-mock-store';
+
+import * as Actions from 'actions/emoji_actions.jsx';
+import {getEmojiMap, getRecentEmojis} from 'selectors/emojis';
+
+const mockStore = configureStore([thunk]);
+
+const initialState = {
+ entities: {
+ general: {
+ config: {EnableCustomEmoji: 'true'},
+ },
+ }
+};
+
+jest.mock('selectors/emojis', () => ({
+ getEmojiMap: jest.fn(),
+ getRecentEmojis: jest.fn(),
+}));
+
+jest.mock('mattermost-redux/actions/emojis', () => ({
+ getCustomEmojiByName: (...args) => ({type: 'MOCK_GET_CUSTOM_EMOJI_BY_NAME', args})
+}));
+
+describe('loadRecentlyUsedCustomEmojis', () => {
+ let testStore;
+ beforeEach(async () => {
+ testStore = await mockStore(initialState);
+ });
+
+ test('Get only emojis missing on the map', async () => {
+ getEmojiMap.mockImplementation(() => {
+ return new Map([['emoji1', {}], ['emoji3', {}], ['emoji4', {}]]);
+ });
+ getRecentEmojis.mockImplementation(() => {
+ return ['emoji1', 'emoji2', 'emoji3', 'emoji5'];
+ });
+
+ const expectedActions = [
+ {type: 'MOCK_GET_CUSTOM_EMOJI_BY_NAME', args: ['emoji2']},
+ {type: 'MOCK_GET_CUSTOM_EMOJI_BY_NAME', args: ['emoji5']},
+ ];
+
+ testStore.dispatch(Actions.loadRecentlyUsedCustomEmojis());
+ expect(testStore.getActions()).toEqual(expectedActions);
+ });
+
+ test('Does not get any emojis if none is missing on the map', async () => {
+ getEmojiMap.mockImplementation(() => {
+ return new Map([['emoji1', {}], ['emoji3', {}], ['emoji4', {}]]);
+ });
+ getRecentEmojis.mockImplementation(() => {
+ return ['emoji1', 'emoji3'];
+ });
+ const expectedActions = [];
+
+ testStore.dispatch(Actions.loadRecentlyUsedCustomEmojis());
+ expect(testStore.getActions()).toEqual(expectedActions);
+ });
+
+ test('Does not get any emojis if they are not enabled', async () => {
+ testStore = await mockStore({entities: {general: {config: {EnableCustomEmoji: 'false'}}}});
+ getEmojiMap.mockImplementation(() => {
+ return new Map([['emoji1', {}], ['emoji3', {}], ['emoji4', {}]]);
+ });
+ getRecentEmojis.mockImplementation(() => {
+ return ['emoji1', 'emoji2', 'emoji3', 'emoji5'];
+ });
+ const expectedActions = [];
+
+ testStore.dispatch(Actions.loadRecentlyUsedCustomEmojis());
+ expect(testStore.getActions()).toEqual(expectedActions);
+ });
+});