GT2/Ejectable/node_modules/react-native/IntegrationTests/IntegrationTestHarnessTest.js

81 lines
1.9 KiB
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
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const requestAnimationFrame = require('fbjs/lib/requestAnimationFrame');
const {Text, View, StyleSheet} = ReactNative;
const {TestModule} = ReactNative.NativeModules;
type Props = $ReadOnly<{|
shouldThrow?: boolean,
waitOneFrame?: boolean,
|}>;
type State = {|
done: boolean,
|};
class IntegrationTestHarnessTest extends React.Component<Props, State> {
state: State = {
done: false,
};
componentDidMount() {
if (this.props.waitOneFrame) {
requestAnimationFrame(this.runTest);
} else {
this.runTest();
}
}
runTest: () => void = () => {
if (this.props.shouldThrow) {
throw new Error('Throwing error because shouldThrow');
}
if (!TestModule) {
throw new Error('RCTTestModule is not registered.');
} else if (!TestModule.markTestCompleted) {
throw new Error('RCTTestModule.markTestCompleted not defined.');
}
this.setState({done: true}, () => {
TestModule.markTestCompleted();
});
};
render(): React.Node {
return (
<View style={styles.container}>
<Text>
{/* $FlowFixMe(>=0.54.0 site=react_native_fb,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. */
this.constructor.displayName + ': '}
{this.state.done ? 'Done' : 'Testing...'}
</Text>
</View>
);
}
}
const styles = StyleSheet.create({
container: {
backgroundColor: 'white',
padding: 40,
},
});
IntegrationTestHarnessTest.displayName = 'IntegrationTestHarnessTest';
module.exports = IntegrationTestHarnessTest;