react-native/IntegrationTests/SimpleSnapshotTest.js

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/**
* Copyright (c) Facebook, Inc. and its affiliates.
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*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
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*/
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'use strict';
const React = require('react');
const ReactNative = require('react-native');
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const requestAnimationFrame = require('fbjs/lib/requestAnimationFrame');
const {StyleSheet, View} = ReactNative;
const {TestModule} = ReactNative.NativeModules;
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class SimpleSnapshotTest extends React.Component<{}> {
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componentDidMount() {
if (!TestModule.verifySnapshot) {
throw new Error('TestModule.verifySnapshot not defined.');
}
requestAnimationFrame(() => TestModule.verifySnapshot(this.done));
}
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done = (success: boolean) => {
TestModule.markTestPassed(success);
};
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render() {
return (
<View style={{backgroundColor: 'white', padding: 100}}>
<View style={styles.box1} />
<View style={styles.box2} />
</View>
);
}
}
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const styles = StyleSheet.create({
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box1: {
width: 80,
height: 50,
backgroundColor: 'red',
},
box2: {
top: -10,
left: 20,
width: 70,
height: 90,
backgroundColor: 'blue',
},
});
SimpleSnapshotTest.displayName = 'SimpleSnapshotTest';
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module.exports = SimpleSnapshotTest;