iNaturalistReactNative/tests/unit/components/AddID/AddID.test.js

import { NavigationContainer } from "@react-navigation/native";
import {
  QueryClient,
  QueryClientProvider
} from "@tanstack/react-query";
import { fireEvent, render, waitFor } from "@testing-library/react-native";
import AddID from "components/ObsEdit/AddID";
import inatjs from "inaturalistjs";
import React from "react";

import factory, { makeResponse } from "../../../factory";
// Mock inaturalistjs so we can make some fake responses
jest.mock( "inaturalistjs" );

// this resolves a test failure with the Animated library:
// Animated: `useNativeDriver` is not supported because the native animated module is missing.
jest.useFakeTimers( );

jest.mock( "@react-navigation/native", ( ) => {
  const actualNav = jest.requireActual( "@react-navigation/native" );
  return {
    ...actualNav,
    useRoute: ( ) => ( {
    } ),
    useNavigation: ( ) => ( {
      setOptions: jest.fn( )
    } )
  };
} );

const mockTaxaList = [
  factory( "RemoteTaxon" ),
  factory( "RemoteTaxon" ),
  factory( "RemoteTaxon" )
];

jest.mock( "sharedHooks/useAuthenticatedQuery", ( ) => ( {
  __esModule: true,
  default: ( ) => ( {
    data: mockTaxaList
  } )
} ) );

jest.mock( "react-native-vector-icons/MaterialIcons", ( ) => {
  const InnerReact = require( "react" );
  class MaterialIcons extends InnerReact.Component {
    static getImageSourceSync( _thing, _number, _color ) {
      return { uri: "foo" };
    }

    render( ) {
      return InnerReact.createElement( "MaterialIcons", this.props, this.props.children );
    }
  }
  return MaterialIcons;
} );

const queryClient = new QueryClient( );

const renderAddID = route => render(
  <QueryClientProvider client={queryClient}>
    <NavigationContainer>
      <AddID route={route} />
    </NavigationContainer>
  </QueryClientProvider>
);

test( "renders taxon search results", async ( ) => {
  inatjs.search.mockResolvedValue( makeResponse( mockTaxaList ) );
  const route = { params: { } };
  const { getByTestId } = renderAddID( route );

  const input = getByTestId( "SearchTaxon" );
  await waitFor( () => {
    fireEvent.changeText( input, "Some taxon" );
  } );

  const taxon = mockTaxaList[0];

  expect( getByTestId( `Search.taxa.${taxon.id}` ) ).toBeTruthy( );
  expect(
    getByTestId( `Search.taxa.${taxon.id}.photo` ).props.source
  ).toStrictEqual( { uri: taxon.default_photo.square_url } );
} );