51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
|
|
// See LICENSE.txt for license information.
|
|
|
|
import React from 'react';
|
|
import {shallow} from 'enzyme';
|
|
|
|
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);
|
|
});
|
|
});
|