react-native/IntegrationTests/ImageSnapshotTest.js
Eli White 398f1d8ddd vars -> let/const react-native IntegrationTests
Reviewed By: yungsters

Differential Revision: D7986752

fbshipit-source-id: 1f9b129ce19e052584a2cd1240686b6099c64416
2018-05-14 00:24:45 -07:00

43 lines
964 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
*/
'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;