459801d10b
* Patch react-native-navigation * Make navigation actions regular functions * Fix unhandled promise rejection warning * Missing semicolons * Mock navigation actions * Add unit tests for navigation actions * Place all patches in patches directory * Fix channel_info snapshot test
89 lines
3 KiB
JavaScript
89 lines
3 KiB
JavaScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import React from 'react';
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import {shallow} from 'enzyme';
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import Preferences from 'mattermost-redux/constants/preferences';
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import * as NavigationActions from 'app/actions/navigation';
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import PostList from './post_list';
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jest.useFakeTimers();
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describe('PostList', () => {
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const serverURL = 'https://server-url.fake';
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const baseProps = {
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actions: {
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handleSelectChannelByName: jest.fn(),
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loadChannelsByTeamName: jest.fn(),
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refreshChannelWithRetry: jest.fn(),
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selectFocusedPostId: jest.fn(),
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setDeepLinkURL: jest.fn(),
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},
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deepLinkURL: '',
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lastPostIndex: -1,
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postIds: ['post-id-1', 'post-id-2'],
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serverURL,
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siteURL: 'https://site-url.fake',
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theme: Preferences.THEMES.default,
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};
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const deepLinks = {
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permalink: serverURL + '/team-name/pl/pl-id',
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channel: serverURL + '/team-name/channels/channel-name',
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};
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const wrapper = shallow(
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<PostList {...baseProps}/>
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);
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test('should match snapshot', () => {
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expect(wrapper.getElement()).toMatchSnapshot();
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});
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test('setting permalink deep link', () => {
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const showModalOverCurrentContext = jest.spyOn(NavigationActions, 'showModalOverCurrentContext');
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wrapper.setProps({deepLinkURL: deepLinks.permalink});
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expect(baseProps.actions.setDeepLinkURL).toHaveBeenCalled();
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expect(baseProps.actions.selectFocusedPostId).toHaveBeenCalled();
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expect(showModalOverCurrentContext).toHaveBeenCalled();
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expect(wrapper.getElement()).toMatchSnapshot();
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});
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test('setting channel deep link', () => {
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wrapper.setProps({deepLinkURL: deepLinks.channel});
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expect(baseProps.actions.setDeepLinkURL).toHaveBeenCalled();
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expect(baseProps.actions.handleSelectChannelByName).toHaveBeenCalled();
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expect(wrapper.getElement()).toMatchSnapshot();
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});
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test('should call flatListScrollToIndex only when ref is set and index is in range', () => {
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jest.spyOn(global, 'requestAnimationFrame').mockImplementation((cb) => cb());
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const instance = wrapper.instance();
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const flatListScrollToIndex = jest.spyOn(instance, 'flatListScrollToIndex');
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const indexInRange = baseProps.postIds.length;
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const indexOutOfRange = [-1, indexInRange + 1];
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instance.flatListRef = {
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current: null,
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};
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instance.scrollToIndex(indexInRange);
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expect(flatListScrollToIndex).not.toHaveBeenCalled();
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instance.flatListRef = {
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current: {
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scrollToIndex: jest.fn(),
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},
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};
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for (const index of indexOutOfRange) {
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instance.scrollToIndex(index);
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expect(flatListScrollToIndex).not.toHaveBeenCalled();
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}
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instance.scrollToIndex(indexInRange);
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expect(flatListScrollToIndex).toHaveBeenCalled();
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});
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});
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