/** * @jest-environment node */ import React from 'react'; import { InstantSearch, InstantSearchSSRProvider, Index, useHits, useRefinementList, useSearchBox, } from 'react-instantsearch-hooks'; import { createSearchClient } from '../../../../test/mock'; import { getServerState } from '../getServerState'; import type { InstantSearchServerState, InstantSearchProps, UseRefinementListProps, } from 'react-instantsearch-hooks'; type CreateTestEnvironmentProps = { searchClient: InstantSearchProps['searchClient']; initialUiState?: InstantSearchProps['initialUiState']; }; function createTestEnvironment({ searchClient, initialUiState = { instant_search: { query: 'iphone', refinementList: { brand: ['Apple'], }, }, instant_search_price_asc: { query: 'iphone', refinementList: { brand: ['Apple'], }, }, }, }: CreateTestEnvironmentProps) { function Search({ children }: { children?: React.ReactNode }) { return ( {children} ); } function App({ serverState, children, }: { serverState?: InstantSearchServerState; children?: React.ReactNode; }) { return ( {children} ); } return { App, }; } // Neither of the modules exist jest.mock( 'react-dom/server.js', () => { throw new Error('simulate the module not existing'); }, { virtual: true } ); jest.mock( 'react-dom/server', () => { throw new Error('simulate the module not existing'); }, { virtual: true } ); describe('ReactDOMServer imports', () => { test('throws when no ReactDOMServer is present', async () => { const searchClient = createSearchClient({}); const { App } = createTestEnvironment({ searchClient }); await expect( getServerState() ).rejects.toThrowErrorMatchingInlineSnapshot( `"Could not import ReactDOMServer. You can provide it as an argument: getServerState(, { renderToString })."` ); }); test('calls the provided renderToString function', async () => { const searchClient = createSearchClient({}); const { App } = createTestEnvironment({ searchClient }); const renderToString = jest.fn( jest.requireActual('react-dom/server').renderToString ); const serverState = await getServerState(, { renderToString, }); expect(renderToString).toHaveBeenCalledTimes(1); expect(serverState.initialResults).toEqual(expect.any(Object)); }); }); function SearchBox() { useSearchBox(); return null; } function Hits() { useHits(); return null; } function RefinementList(props: UseRefinementListProps) { useRefinementList(props); return null; }