mattermost-mobile/app/components/channel_loader/channel_loader.test.js
Daniel Espino García 4c8594d330
Add linter rules for import order and type member delimiters (#5514)
* 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
2021-07-23 11:06:04 +02:00

51 lines
1.7 KiB
JavaScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {shallow} from 'enzyme';
import React from 'react';
import Preferences from '@mm-redux/constants/preferences';
import ChannelLoader from './channel_loader';
jest.useFakeTimers();
describe('ChannelLoader', () => {
const baseProps = {
channelIsLoading: true,
theme: Preferences.THEMES.default,
};
test('should match snapshot', () => {
const wrapper = shallow(<ChannelLoader {...baseProps}/>);
expect(wrapper.getElement()).toMatchSnapshot();
});
test('should call setTimeout and setInterval for showIndicator and retryLoad on mount', () => {
shallow(<ChannelLoader {...baseProps}/>);
expect(setTimeout).not.toHaveBeenCalled();
expect(setInterval).not.toHaveBeenCalled();
const props = {
...baseProps,
retryLoad: jest.fn(),
};
const wrapper = shallow(<ChannelLoader {...props}/>);
const instance = wrapper.instance();
expect(setTimeout).toHaveBeenCalledWith(instance.showIndicator, 10000);
expect(setInterval).toHaveBeenCalledWith(props.retryLoad, 10000);
});
test('should clear timer and interval on unmount', () => {
const props = {
...baseProps,
retryLoad: jest.fn(),
};
const wrapper = shallow(<ChannelLoader {...props}/>);
const instance = wrapper.instance();
instance.componentWillUnmount();
expect(clearTimeout).toHaveBeenCalledWith(instance.stillLoadingTimeout);
expect(clearInterval).toHaveBeenCalledWith(instance.retryLoadInterval);
});
});