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

70 lines
1.8 KiB
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 PropTypes = require('prop-types');
const StyleSheet = require('StyleSheet');
const {TestModule} = require('NativeModules');
const UIManager = require('UIManager');
const View = require('View');
const ViewPropTypes = require('ViewPropTypes');
const requireNativeComponent = require('requireNativeComponent');
class SnapshotViewIOS extends React.Component<{
onSnapshotReady?: Function,
testIdentifier?: string,
}> {
// $FlowFixMe(>=0.41.0)
static propTypes = {
...ViewPropTypes,
// A callback when the Snapshot view is ready to be compared
onSnapshotReady: PropTypes.func,
// A name to identify the individual instance to the SnapshotView
testIdentifier: PropTypes.string,
};
onDefaultAction = (event: Object) => {
TestModule.verifySnapshot(TestModule.markTestPassed);
};
render() {
const testIdentifier = this.props.testIdentifier || 'test';
const onSnapshotReady = this.props.onSnapshotReady || this.onDefaultAction;
return (
// $FlowFixMe - Typing ReactNativeComponent revealed errors
<RCTSnapshot
style={style.snapshot}
{...this.props}
onSnapshotReady={onSnapshotReady}
testIdentifier={testIdentifier}
/>
);
}
}
const 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
const RCTSnapshot = UIManager.RCTSnapshot
? requireNativeComponent('RCTSnapshot', SnapshotViewIOS)
: View;
module.exports = SnapshotViewIOS;