react-native/IntegrationTests/IntegrationTestHarnessTest.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.
*
* @flow
* @providesModule IntegrationTestHarnessTest
*/
'use strict';
/* $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. */
var requestAnimationFrame = require('fbjs/lib/requestAnimationFrame');
var React = require('react');
var PropTypes = require('prop-types');
var ReactNative = require('react-native');
var {
Text,
View,
} = ReactNative;
var { TestModule } = ReactNative.NativeModules;
class IntegrationTestHarnessTest extends React.Component<{
shouldThrow?: boolean,
waitOneFrame?: boolean,
}, $FlowFixMeState> {
static propTypes = {
shouldThrow: PropTypes.bool,
waitOneFrame: PropTypes.bool,
};
state = {
done: false,
};
componentDidMount() {
if (this.props.waitOneFrame) {
requestAnimationFrame(this.runTest);
} else {
this.runTest();
}
}
runTest = () => {
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() {
return (
<View style={{backgroundColor: 'white', padding: 40}}>
<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>
);
}
}
IntegrationTestHarnessTest.displayName = 'IntegrationTestHarnessTest';
module.exports = IntegrationTestHarnessTest;