59 lines
1.7 KiB
TypeScript
59 lines
1.7 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, act} from '@testing-library/react-native';
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import {BehaviorSubject} from 'rxjs';
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import {getLoadingTeamChannelsSubject} from '@store/team_load_store';
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import {useTeamsLoading} from './teams_loading';
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jest.mock('@store/team_load_store', () => ({
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getLoadingTeamChannelsSubject: jest.fn(),
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}));
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describe('useTeamsLoading', () => {
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const mockSubject = new BehaviorSubject(0);
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const serverUrl = 'https://example.com';
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beforeEach(() => {
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(getLoadingTeamChannelsSubject as jest.Mock).mockReturnValue(mockSubject);
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});
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afterEach(() => {
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jest.clearAllMocks();
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mockSubject.next(0);
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});
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it('should initialize with loading false', () => {
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const {result} = renderHook(() => useTeamsLoading(serverUrl));
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expect(result.current).toBe(false);
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});
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it('should update loading state when subject emits non-zero value', () => {
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const {result} = renderHook(() => useTeamsLoading(serverUrl));
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act(() => {
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mockSubject.next(1);
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});
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expect(result.current).toBe(true);
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act(() => {
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mockSubject.next(0);
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});
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expect(result.current).toBe(false);
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});
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it('should unsubscribe on unmount', () => {
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const unsubscribeSpy = jest.fn();
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const subscription = {unsubscribe: unsubscribeSpy};
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jest.spyOn(mockSubject, 'pipe').mockReturnValue({
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subscribe: () => subscription,
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} as any);
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const {unmount} = renderHook(() => useTeamsLoading(serverUrl));
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unmount();
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expect(unsubscribeSpy).toHaveBeenCalled();
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});
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});
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