| import { renderHook } from '@testing-library/react-hooks'; |
| import { renderHook as renderHookSSR } from '@testing-library/react-hooks/server'; |
| import { useMedia } from '../src'; |
|
|
| const createMockMediaMatcher = (matches: Record<string, boolean>) => (qs: string) => ({ |
| matches: matches[qs] ?? false, |
| addEventListener: () => {}, |
| removeEventListener: () => {}, |
| }); |
|
|
| describe('useMedia', () => { |
| beforeEach(() => { |
| window.matchMedia = createMockMediaMatcher({ |
| '(min-width: 500px)': true, |
| '(min-width: 1000px)': false, |
| }) as any; |
| }); |
| it('should return true if media query matches', () => { |
| const { result } = renderHook(() => useMedia('(min-width: 500px)')); |
| expect(result.current).toBe(true); |
| }); |
| it('should return false if media query does not match', () => { |
| const { result } = renderHook(() => useMedia('(min-width: 1200px)')); |
| expect(result.current).toBe(false); |
| }); |
| it('should return default state before hydration', () => { |
| const { result } = renderHookSSR(() => useMedia('(min-width: 500px)', false)); |
| expect(result.current).toBe(false); |
| }); |
| it('should return media query result after hydration', async () => { |
| const { result, hydrate } = renderHookSSR(() => useMedia('(min-width: 500px)', false)); |
| expect(result.current).toBe(false); |
| hydrate(); |
| expect(result.current).toBe(true); |
| }); |
| it('should return media query result after hydration', async () => { |
| const { result, hydrate } = renderHookSSR(() => useMedia('(min-width: 1200px)', true)); |
| expect(result.current).toBe(true); |
| hydrate(); |
| expect(result.current).toBe(false); |
| }); |
| }); |
|
|
