mirror of
https://github.com/flutter/flutter
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118 lines
3.6 KiB
Dart
118 lines
3.6 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:io' show Platform;
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import 'dart:ui';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'common.dart';
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import 'src/channel.dart';
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/// The dart:io implementation of [CallbackManager].
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///
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/// See also:
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///
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/// * `_callback_web.dart`, which has the dart:html implementation
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CallbackManager get callbackManager => _singletonCallbackManager;
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/// IOCallbackManager singleton.
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final IOCallbackManager _singletonCallbackManager = IOCallbackManager();
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/// Manages communication between `integration_tests` and the `driver_tests`.
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///
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/// This is the dart:io implementation.
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class IOCallbackManager implements CallbackManager {
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@override
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Future<Map<String, dynamic>> callback(
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Map<String, String> params, IntegrationTestResults testRunner) async {
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final String command = params['command']!;
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Map<String, String> response;
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switch (command) {
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case 'request_data':
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final bool allTestsPassed = await testRunner.allTestsPassed.future;
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response = <String, String>{
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'message': allTestsPassed
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? Response.allTestsPassed(data: testRunner.reportData).toJson()
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: Response.someTestsFailed(
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testRunner.failureMethodsDetails,
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data: testRunner.reportData,
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).toJson(),
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};
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break;
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case 'get_health':
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response = <String, String>{'status': 'ok'};
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break;
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default:
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throw UnimplementedError('$command is not implemented');
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}
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return <String, dynamic>{
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'isError': false,
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'response': response,
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};
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}
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@override
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void cleanup() {
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// no-op.
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// Add any IO platform specific Completer/Future cleanups to here if any
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// comes up in the future. For example: `WebCallbackManager.cleanup`.
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}
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// [convertFlutterSurfaceToImage] has been called and [takeScreenshot] is ready to capture the surface (Android only).
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bool _isSurfaceRendered = false;
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@override
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Future<void> convertFlutterSurfaceToImage() async {
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if (!Platform.isAndroid) {
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// No-op on other platforms.
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return;
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}
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assert(!_isSurfaceRendered, 'Surface already converted to an image');
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await integrationTestChannel.invokeMethod<void>(
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'convertFlutterSurfaceToImage',
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null,
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);
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_isSurfaceRendered = true;
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addTearDown(() async {
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assert(_isSurfaceRendered, 'Surface is not an image');
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await integrationTestChannel.invokeMethod<void>(
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'revertFlutterImage',
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null,
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);
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_isSurfaceRendered = false;
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});
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}
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@override
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Future<Map<String, dynamic>> takeScreenshot(String screenshot) async {
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if (Platform.isAndroid && !_isSurfaceRendered) {
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throw StateError('Call convertFlutterSurfaceToImage() before taking a screenshot');
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}
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integrationTestChannel.setMethodCallHandler(_onMethodChannelCall);
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final List<int>? rawBytes = await integrationTestChannel.invokeMethod<List<int>>(
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'captureScreenshot',
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<String, dynamic>{'name': screenshot},
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);
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if (rawBytes == null) {
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throw StateError('Expected a list of bytes, but instead captureScreenshot returned null');
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}
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return <String, dynamic>{
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'screenshotName': screenshot,
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'bytes': rawBytes,
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};
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}
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Future<dynamic> _onMethodChannelCall(MethodCall call) async {
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switch (call.method) {
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case 'scheduleFrame':
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window.scheduleFrame();
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break;
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}
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return null;
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}
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}
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