mattermost-mobile/app/hooks/freeze.test.ts
Joram Wilander 4187e9f81a
MM-59741 + others - Add tests for remaining app/hooks files (#8517)
* test: Add tests for useHandleSendMessage hook

* test: Add tests for header hooks

* test: Add tests for device hooks

* test: Add tests for useChannelSwitch hook

* test: Add tests for useTeamSwitch hook

* test: Add tests for useInputPropagation hook

* test: Add tests for useWhyDidYouUpdate hook

* test: Add tests for useFreeze hook

* test: Add tests for useAutocompleteDefaultAnimatedValues hook

* test: Add tests for usePersistentNotificationProps hook

* test: Add tests for useFetchingThreadState hook

* test: Add tests for useBackNavigation hook

* test: Add tests for useShowMoreAnimatedStyle hook

* test: Add tests for useTeamsLoading hook

* test: Add tests for useNavButtonPressed hook

* test: Add tests for useDidUpdate hook

* test: Add tests for useAppBinding hook

* Fix type error and test
2025-01-28 08:51:50 -05:00

54 lines
1.6 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {renderHook, act} from '@testing-library/react-hooks';
import {DeviceEventEmitter} from 'react-native';
import {Events} from '@constants';
import useFreeze from './freeze';
describe('useFreeze hook', () => {
it('should initialize with default values', () => {
const {result} = renderHook(() => useFreeze());
expect(result.current.freeze).toBe(false);
expect(result.current.backgroundColor).toBe('#000');
});
it('should update freeze state when event is emitted', () => {
const {result} = renderHook(() => useFreeze());
act(() => {
DeviceEventEmitter.emit(Events.FREEZE_SCREEN, true);
});
expect(result.current.freeze).toBe(true);
expect(result.current.backgroundColor).toBe('#000');
});
it('should update backgroundColor when provided with event', () => {
const {result} = renderHook(() => useFreeze());
const testColor = '#fff';
act(() => {
DeviceEventEmitter.emit(Events.FREEZE_SCREEN, true, testColor);
});
expect(result.current.freeze).toBe(true);
expect(result.current.backgroundColor).toBe(testColor);
});
it('should cleanup event listener on unmount', () => {
const removeMock = jest.fn();
jest.spyOn(DeviceEventEmitter, 'addListener').mockReturnValue({
remove: removeMock,
} as any);
const {unmount} = renderHook(() => useFreeze());
unmount();
expect(removeMock).toHaveBeenCalled();
});
});