4187e9f81a
* 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
76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import {renderHook} from '@testing-library/react-hooks';
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import {Navigation} from 'react-native-navigation';
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import useBackNavigation from './navigate_back';
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jest.mock('react-native-navigation', () => ({
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Navigation: {
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events: jest.fn().mockReturnValue({
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registerNavigationButtonPressedListener: jest.fn(),
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}),
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},
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}));
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describe('hooks/useBackNavigation', () => {
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let mockRemove: jest.Mock;
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let mockRegisterListener: jest.Mock;
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beforeEach(() => {
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mockRemove = jest.fn();
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mockRegisterListener = jest.fn().mockReturnValue({remove: mockRemove});
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(Navigation.events as jest.Mock)().registerNavigationButtonPressedListener = mockRegisterListener;
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});
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afterEach(() => {
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jest.clearAllMocks();
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});
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it('should register navigation button listener on mount', () => {
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renderHook(() => useBackNavigation(jest.fn()));
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expect(mockRegisterListener).toHaveBeenCalled();
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});
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it('should remove listener on unmount', () => {
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const {unmount} = renderHook(() => useBackNavigation(jest.fn()));
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unmount();
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expect(mockRemove).toHaveBeenCalled();
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});
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it('should call callback when back button is pressed', () => {
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const callback = jest.fn();
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renderHook(() => useBackNavigation(callback));
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const listener = mockRegisterListener.mock.calls[0][0];
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listener({buttonId: 'RNN.back'});
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expect(callback).toHaveBeenCalled();
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});
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it('should not call callback when different button is pressed', () => {
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const callback = jest.fn();
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renderHook(() => useBackNavigation(callback));
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const listener = mockRegisterListener.mock.calls[0][0];
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listener({buttonId: 'other.button'});
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expect(callback).not.toHaveBeenCalled();
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});
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it('should update listener when callback changes', () => {
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const initialCallback = jest.fn();
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const {rerender} = renderHook(({cb}) => useBackNavigation(cb), {
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initialProps: {cb: initialCallback},
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});
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expect(mockRegisterListener).toHaveBeenCalledTimes(1);
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const newCallback = jest.fn();
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rerender({cb: newCallback});
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expect(mockRemove).toHaveBeenCalled();
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expect(mockRegisterListener).toHaveBeenCalledTimes(2);
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});
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});
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