/** * @jest-environment jsdom */ import { QueryClient, QueryClientProvider } from '@tanstack/react-query'; import { renderHook, waitFor } from '@testing-library/react'; import React from 'react'; import wpcom from 'calypso/lib/wp'; import { usePatterns } from '../use-patterns'; jest.mock( 'calypso/lib/wp', () => ( { req: { get: jest.fn() } } ) ); describe( 'usePatterns', () => { let wrapper: React.FC< React.PropsWithChildren >; beforeEach( () => { jest.mocked( wpcom.req.get ).mockReset(); const queryClient = new QueryClient( { defaultOptions: { queries: { retry: false } } } ); wrapper = ( { children } ) => ( { children } ); } ); afterEach( () => { jest.clearAllMocks(); } ); test( 'calls the API endpoint with the right parameters', async () => { jest.mocked( wpcom.req.get ).mockResolvedValue( [] ); const { result } = renderHook( () => usePatterns( 'fr', 'intro' ), { wrapper } ); await waitFor( () => expect( result.current.isSuccess ).toBe( true ) ); expect( wpcom.req.get ).toHaveBeenCalledWith( '/ptk/patterns/fr', { categories: 'intro', post_type: 'wp_block', } ); expect( result.current.data ).toEqual( [] ); } ); test( 'returns the expected data when successful', async () => { const patterns = [ { ID: 1, html: '
Test pattern
', title: 'Test pattern', categories: { about: {} }, }, ]; jest.mocked( wpcom.req.get ).mockResolvedValue( patterns ); const { result } = renderHook( () => usePatterns( 'en', 'about' ), { wrapper } ); await waitFor( () => expect( result.current.isSuccess ).toBe( true ) ); expect( result.current.data ).toEqual( patterns ); } ); } );