react-native/IntegrationTests/ImageSnapshotTest.js

43 lines
983 B
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow strict-local
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const {Image, View} = ReactNative;
const {TestModule} = ReactNative.NativeModules;
class ImageSnapshotTest extends React.Component<{}> {
componentDidMount() {
if (!TestModule.verifySnapshot) {
throw new Error('TestModule.verifySnapshot not defined.');
}
}
done = (success: boolean) => {
TestModule.markTestPassed(success);
};
render() {
return (
<Image
source={require('./blue_square.png')}
defaultSource={require('./red_square.png')}
onLoad={() => TestModule.verifySnapshot(this.done)}
/>
);
}
}
ImageSnapshotTest.displayName = 'ImageSnapshotTest';
module.exports = ImageSnapshotTest;