76 lines
1.8 KiB
JavaScript
76 lines
1.8 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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'use strict';
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const React = require('react');
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const ReactNative = require('react-native');
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const {WebView} = ReactNative;
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const {TestModule} = ReactNative.NativeModules;
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class WebViewTest extends React.Component {
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render() {
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let firstMessageReceived = false;
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let secondMessageReceived = false;
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function processMessage(e) {
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const message = e.nativeEvent.data;
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if (message === 'First') {
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firstMessageReceived = true;
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}
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if (message === 'Second') {
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secondMessageReceived = true;
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}
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// got both messages
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if (firstMessageReceived && secondMessageReceived) {
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TestModule.markTestPassed(true);
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}
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// wait for next message
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else if (firstMessageReceived && !secondMessageReceived) {
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return;
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}
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// first message got lost
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else if (!firstMessageReceived && secondMessageReceived) {
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throw new Error('First message got lost');
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}
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}
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const html =
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'Hello world' +
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'<script>' +
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"window.setTimeout(function(){window.postMessage('First'); window.postMessage('Second')}, 0)" +
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'</script>';
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// fail if messages didn't get through;
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window.setTimeout(function() {
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throw new Error(
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firstMessageReceived
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? 'Both messages got lost'
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: 'Second message got lost',
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);
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}, 10000);
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const source = {
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html: html,
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};
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return (
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<WebView
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source={source}
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onMessage={processMessage}
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originWhitelist={['about:blank']}
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/>
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);
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}
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}
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WebViewTest.displayName = 'WebViewTest';
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module.exports = WebViewTest;
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