4c8594d330
* Add linter rules for import order and type member delimiters * Remove unneeded group * Group all app/* imports before the internal imports * Move app/ imports before parent imports * Separate @node_modules imports into a different group * Substitute app paths by aliases * Fix @node_modules import order and add test related modules * Add aliases for types and test, and group import types
51 lines
1.7 KiB
JavaScript
51 lines
1.7 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 {shallow} from 'enzyme';
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import React from 'react';
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import Preferences from '@mm-redux/constants/preferences';
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import ChannelLoader from './channel_loader';
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jest.useFakeTimers();
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describe('ChannelLoader', () => {
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const baseProps = {
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channelIsLoading: true,
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theme: Preferences.THEMES.default,
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};
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test('should match snapshot', () => {
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const wrapper = shallow(<ChannelLoader {...baseProps}/>);
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expect(wrapper.getElement()).toMatchSnapshot();
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});
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test('should call setTimeout and setInterval for showIndicator and retryLoad on mount', () => {
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shallow(<ChannelLoader {...baseProps}/>);
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expect(setTimeout).not.toHaveBeenCalled();
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expect(setInterval).not.toHaveBeenCalled();
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const props = {
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...baseProps,
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retryLoad: jest.fn(),
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};
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const wrapper = shallow(<ChannelLoader {...props}/>);
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const instance = wrapper.instance();
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expect(setTimeout).toHaveBeenCalledWith(instance.showIndicator, 10000);
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expect(setInterval).toHaveBeenCalledWith(props.retryLoad, 10000);
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});
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test('should clear timer and interval on unmount', () => {
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const props = {
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...baseProps,
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retryLoad: jest.fn(),
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};
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const wrapper = shallow(<ChannelLoader {...props}/>);
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const instance = wrapper.instance();
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instance.componentWillUnmount();
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expect(clearTimeout).toHaveBeenCalledWith(instance.stillLoadingTimeout);
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expect(clearInterval).toHaveBeenCalledWith(instance.retryLoadInterval);
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});
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});
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