jest/examples/react-native/__tests__/intro.test.js

46 lines
1.2 KiB
JavaScript

// Copyright (c) Meta Platforms, Inc. and affiliates.
/**
* Sample React Native Snapshot Test
*/
import React from 'react';
import {ActivityIndicator, FlatList, Text, TextInput} from 'react-native';
import renderer from 'react-test-renderer';
import Intro from '../Intro';
jest.setTimeout(15_000);
it('renders correctly', () => {
const tree = renderer.create(<Intro />).toJSON();
expect(tree).toMatchSnapshot();
});
// These serve as integration tests for the jest-react-native preset.
it('renders the ActivityIndicator component', () => {
const tree = renderer
.create(<ActivityIndicator animating={true} size="small" />)
.toJSON();
expect(tree).toMatchSnapshot();
});
it('renders the TextInput component', () => {
const tree = renderer
.create(<TextInput autoCorrect={false} value="apple banana kiwi" />)
.toJSON();
expect(tree).toMatchSnapshot();
});
it('renders the FlatList component', () => {
const tree = renderer
.create(
<FlatList
data={['apple', 'banana', 'kiwi']}
keyExtractor={item => item}
renderItem={({item}) => <Text>{item}</Text>}
/>,
)
.toJSON();
expect(tree).toMatchSnapshot();
});