react-native/Libraries/RCTTest/SnapshotViewIOS.ios.js

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule SnapshotViewIOS
* @flow
*/
'use strict';
var React = require('React');
var StyleSheet = require('StyleSheet');
var { TestModule } = require('NativeModules');
var UIManager = require('UIManager');
var View = require('View');
var requireNativeComponent = require('requireNativeComponent');
class SnapshotViewIOS extends React.Component {
props: {
onSnapshotReady?: Function,
testIdentifier?: string,
};
static propTypes = {
...View.propTypes,
// A callback when the Snapshot view is ready to be compared
onSnapshotReady : React.PropTypes.func,
// A name to identify the individual instance to the SnapshotView
testIdentifier : React.PropTypes.string,
};
onDefaultAction = (event: Object) => {
TestModule.verifySnapshot(TestModule.markTestPassed);
};
render() {
var testIdentifier = this.props.testIdentifier || 'test';
var onSnapshotReady = this.props.onSnapshotReady || this.onDefaultAction;
return (
<RCTSnapshot
style={style.snapshot}
{...this.props}
onSnapshotReady={onSnapshotReady}
testIdentifier={testIdentifier}
/>
);
}
}
var style = StyleSheet.create({
snapshot: {
flex: 1,
},
});
// Verify that RCTSnapshot is part of the UIManager since it is only loaded
// if you have linked against RCTTest like in tests, otherwise we will have
// a warning printed out
var RCTSnapshot = UIManager.RCTSnapshot ?
requireNativeComponent('RCTSnapshot', SnapshotViewIOS) :
View;
module.exports = SnapshotViewIOS;