| // Copyright 2019, the Chromium project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| |
| import 'package:flutter/widgets.dart'; |
| import 'package:flutter_driver/driver_extension.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:webview_flutter/webview_flutter.dart'; |
| |
| void main() { |
| final Completer<String> allTestsCompleter = Completer<String>(); |
| enableFlutterDriverExtension(handler: (_) => allTestsCompleter.future); |
| tearDownAll(() => allTestsCompleter.complete(null)); |
| |
| test('initalUrl', () async { |
| final Completer<WebViewController> controllerCompleter = |
| Completer<WebViewController>(); |
| await pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: WebView( |
| key: GlobalKey(), |
| initialUrl: 'https://flutter.dev/', |
| onWebViewCreated: (WebViewController controller) { |
| controllerCompleter.complete(controller); |
| }, |
| ), |
| ), |
| ); |
| final WebViewController controller = await controllerCompleter.future; |
| final String currentUrl = await controller.currentUrl(); |
| expect(currentUrl, 'https://flutter.dev/'); |
| }); |
| |
| test('loadUrl', () async { |
| final Completer<WebViewController> controllerCompleter = |
| Completer<WebViewController>(); |
| await pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: WebView( |
| key: GlobalKey(), |
| initialUrl: 'https://flutter.dev/', |
| onWebViewCreated: (WebViewController controller) { |
| controllerCompleter.complete(controller); |
| }, |
| ), |
| ), |
| ); |
| final WebViewController controller = await controllerCompleter.future; |
| await controller.loadUrl('https://www.google.com/'); |
| final String currentUrl = await controller.currentUrl(); |
| expect(currentUrl, 'https://www.google.com/'); |
| }); |
| |
| // enable this once https://github.com/flutter/flutter/issues/31510 |
| // is resolved. |
| test('loadUrl with headers', () async { |
| final Completer<WebViewController> controllerCompleter = |
| Completer<WebViewController>(); |
| final StreamController<String> pageLoads = StreamController<String>(); |
| await pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: WebView( |
| key: GlobalKey(), |
| initialUrl: 'https://flutter.dev/', |
| onWebViewCreated: (WebViewController controller) { |
| controllerCompleter.complete(controller); |
| }, |
| javascriptMode: JavascriptMode.unrestricted, |
| onPageFinished: (String url) { |
| pageLoads.add(url); |
| }, |
| ), |
| ), |
| ); |
| final WebViewController controller = await controllerCompleter.future; |
| final Map<String, String> headers = <String, String>{ |
| 'test_header': 'flutter_test_header' |
| }; |
| await controller.loadUrl('https://flutter-header-echo.herokuapp.com/', |
| headers: headers); |
| final String currentUrl = await controller.currentUrl(); |
| expect(currentUrl, 'https://flutter-header-echo.herokuapp.com/'); |
| |
| await pageLoads.stream.firstWhere((String url) => url == currentUrl); |
| final String content = await controller |
| .evaluateJavascript('document.documentElement.innerText'); |
| expect(content.contains('flutter_test_header'), isTrue); |
| }); |
| |
| test('JavaScriptChannel', () async { |
| final Completer<WebViewController> controllerCompleter = |
| Completer<WebViewController>(); |
| final Completer<void> pageLoaded = Completer<void>(); |
| final List<String> messagesReceived = <String>[]; |
| await pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: WebView( |
| key: GlobalKey(), |
| // This is the data URL for: '<!DOCTYPE html>' |
| initialUrl: |
| 'data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+', |
| onWebViewCreated: (WebViewController controller) { |
| controllerCompleter.complete(controller); |
| }, |
| javascriptMode: JavascriptMode.unrestricted, |
| // TODO(iskakaushik): Remove this when collection literals makes it to stable. |
| // ignore: prefer_collection_literals |
| javascriptChannels: <JavascriptChannel>[ |
| JavascriptChannel( |
| name: 'Echo', |
| onMessageReceived: (JavascriptMessage message) { |
| messagesReceived.add(message.message); |
| }, |
| ), |
| ].toSet(), |
| onPageFinished: (String url) { |
| pageLoaded.complete(null); |
| }, |
| ), |
| ), |
| ); |
| final WebViewController controller = await controllerCompleter.future; |
| await pageLoaded.future; |
| |
| expect(messagesReceived, isEmpty); |
| await controller.evaluateJavascript('Echo.postMessage("hello");'); |
| expect(messagesReceived, equals(<String>['hello'])); |
| }); |
| } |
| |
| Future<void> pumpWidget(Widget widget) { |
| runApp(widget); |
| return WidgetsBinding.instance.endOfFrame; |
| } |
