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Revert "Add some AppLifecycleTests (#11890)" (flutter/engine#12264)

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This reverts commit ac38d33fbf57f0887de0ae231fd6fc125f3db629 as it breaks mac tests https://ci.chromium.org/p/flutter/builders/prod/Mac%20Host%20Engine/2156.
This commit is contained in:
Alexander Aprelev 2019-09-13 09:16:03 -07:00 committed by GitHub
parent ac38d33fbf
commit b5262e86d7
13 changed files with 10 additions and 434 deletions
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20
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios.xcodeproj/project.pbxproj
View File

@ -7,9 +7,6 @@
objects = {
/* Begin PBXBuildFile section */
0A57B3BD2323C4BD00DD9521 /* ScreenBeforeFlutter.m in Sources */ = {isa = PBXBuildFile; fileRef = 0A57B3BC2323C4BD00DD9521 /* ScreenBeforeFlutter.m */; };
0A57B3BF2323C74200DD9521 /* FlutterEngine+ScenariosTest.m in Sources */ = {isa = PBXBuildFile; fileRef = 0A57B3BE2323C74200DD9521 /* FlutterEngine+ScenariosTest.m */; };
0A57B3C22323D2D700DD9521 /* AppLifecycleTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 0A57B3C12323D2D700DD9521 /* AppLifecycleTests.m */; };
0DB781EF22E931BE00E9B371 /* Flutter.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 246B4E4522E3B61000073EBF /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
0DB781F122E933E800E9B371 /* Flutter.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 246B4E4522E3B61000073EBF /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
0DB781FE22EA2C6D00E9B371 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 246B4E4522E3B61000073EBF /* Flutter.framework */; };
@ -87,11 +84,6 @@
/* End PBXCopyFilesBuildPhase section */
/* Begin PBXFileReference section */
0A57B3BB2323C4BD00DD9521 /* ScreenBeforeFlutter.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ScreenBeforeFlutter.h; sourceTree = "<group>"; };
0A57B3BC2323C4BD00DD9521 /* ScreenBeforeFlutter.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ScreenBeforeFlutter.m; sourceTree = "<group>"; };
0A57B3BE2323C74200DD9521 /* FlutterEngine+ScenariosTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "FlutterEngine+ScenariosTest.m"; sourceTree = "<group>"; };
0A57B3C02323C74D00DD9521 /* FlutterEngine+ScenariosTest.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "FlutterEngine+ScenariosTest.h"; sourceTree = "<group>"; };
0A57B3C12323D2D700DD9521 /* AppLifecycleTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppLifecycleTests.m; sourceTree = "<group>"; };
0DB781FC22EA2C0300E9B371 /* FlutterViewControllerTest.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FlutterViewControllerTest.m; sourceTree = "<group>"; };
244EA6CF230DBE8900B2D26E /* golden_platform_view_D21AP.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = golden_platform_view_D21AP.png; sourceTree = "<group>"; };
246B4E4122E3B5F700073EBF /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = App.framework; sourceTree = "<group>"; };
@ -175,10 +167,6 @@
248D76D322E388380012F0C1 /* Assets.xcassets */,
248D76D822E388380012F0C1 /* Info.plist */,
248D76D922E388380012F0C1 /* main.m */,
0A57B3BB2323C4BD00DD9521 /* ScreenBeforeFlutter.h */,
0A57B3BC2323C4BD00DD9521 /* ScreenBeforeFlutter.m */,
0A57B3BE2323C74200DD9521 /* FlutterEngine+ScenariosTest.m */,
0A57B3C02323C74D00DD9521 /* FlutterEngine+ScenariosTest.h */,
);
path = Scenarios;
sourceTree = "<group>";
@ -189,7 +177,6 @@
248FDFC322FE7CD0009CC7CD /* FlutterEngineTest.m */,
0DB781FC22EA2C0300E9B371 /* FlutterViewControllerTest.m */,
248D76E522E388380012F0C1 /* Info.plist */,
0A57B3C12323D2D700DD9521 /* AppLifecycleTests.m */,
);
path = ScenariosTests;
sourceTree = "<group>";
@ -286,16 +273,13 @@
TargetAttributes = {
248D76C622E388370012F0C1 = {
CreatedOnToolsVersion = 10.2.1;
LastSwiftMigration = 1030;
};
248D76DE22E388380012F0C1 = {
CreatedOnToolsVersion = 10.2.1;
LastSwiftMigration = 1030;
TestTargetID = 248D76C622E388370012F0C1;
};
248D76E922E388380012F0C1 = {
CreatedOnToolsVersion = 10.2.1;
LastSwiftMigration = 1030;
TestTargetID = 248D76C622E388370012F0C1;
};
};
@ -356,8 +340,6 @@
248D76DA22E388380012F0C1 /* main.m in Sources */,
24F1FB89230B4579005ACE7C /* TextPlatformView.m in Sources */,
248D76CC22E388370012F0C1 /* AppDelegate.m in Sources */,
0A57B3BF2323C74200DD9521 /* FlutterEngine+ScenariosTest.m in Sources */,
0A57B3BD2323C4BD00DD9521 /* ScreenBeforeFlutter.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@ -366,7 +348,6 @@
buildActionMask = 2147483647;
files = (
0DB7820222EA493B00E9B371 /* FlutterViewControllerTest.m in Sources */,
0A57B3C22323D2D700DD9521 /* AppLifecycleTests.m in Sources */,
248FDFC422FE7CD0009CC7CD /* FlutterEngineTest.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
@ -511,7 +492,6 @@
isa = XCBuildConfiguration;
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CLANG_ENABLE_MODULES = YES;
CODE_SIGN_IDENTITY = "iPhone Developer";
CODE_SIGN_STYLE = Automatic;
DEVELOPMENT_TEAM = S8QB4VV633;

10
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios.xcodeproj/xcshareddata/xcschemes/Scenarios.xcscheme
View File

@ -83,16 +83,6 @@
ReferencedContainer = "container:Scenarios.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
<CommandLineArguments>
<CommandLineArgument
argument = "--screen-before-flutter"
isEnabled = "NO">
</CommandLineArgument>
<CommandLineArgument
argument = "--platform-view"
isEnabled = "NO">
</CommandLineArgument>
</CommandLineArguments>
<AdditionalOptions>
</AdditionalOptions>
</LaunchAction>

4
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios/AppDelegate.h
View File

@ -1,7 +1,3 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Flutter/Flutter.h>
#import <UIKit/UIKit.h>

18
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios/AppDelegate.m
View File

@ -1,10 +1,4 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "AppDelegate.h"
#import "FlutterEngine+ScenariosTest.h"
#import "ScreenBeforeFlutter.h"
#import "TextPlatformView.h"
@interface NoStatusBarFlutterViewController : FlutterViewController
@ -26,20 +20,24 @@
// This argument is used by the XCUITest for Platform Views so that the app
// under test will create platform views.
if ([[[NSProcessInfo processInfo] arguments] containsObject:@"--platform-view"]) {
FlutterEngine* engine = [[FlutterEngine alloc] initWithScenario:@"text_platform_view"
withCompletion:nil];
FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"PlatformViewTest" project:nil];
[engine runWithEntrypoint:nil];
FlutterViewController* flutterViewController =
[[NoStatusBarFlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
[engine.binaryMessenger
setMessageHandlerOnChannel:@"scenario_status"
binaryMessageHandler:^(NSData* _Nullable message, FlutterBinaryReply _Nonnull reply) {
[engine.binaryMessenger
sendOnChannel:@"set_scenario"
message:[@"text_platform_view" dataUsingEncoding:NSUTF8StringEncoding]];
}];
TextPlatformViewFactory* textPlatformViewFactory =
[[TextPlatformViewFactory alloc] initWithMessenger:flutterViewController.binaryMessenger];
NSObject<FlutterPluginRegistrar>* registrar =
[flutterViewController.engine registrarForPlugin:@"scenarios/TextPlatformViewPlugin"];
[registrar registerViewFactory:textPlatformViewFactory withId:@"scenarios/textPlatformView"];
self.window.rootViewController = flutterViewController;
} else if ([[[NSProcessInfo processInfo] arguments] containsObject:@"--screen-before-flutter"]) {
self.window.rootViewController = [[ScreenBeforeFlutter alloc] initWithEngineRunCompletion:nil];
} else {
self.window.rootViewController = [[UIViewController alloc] init];
}

12
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios/FlutterEngine+ScenariosTest.h
View File

@ -1,12 +0,0 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Flutter/Flutter.h>
NS_ASSUME_NONNULL_BEGIN
@interface FlutterEngine (ScenariosTest)
- (instancetype)initWithScenario:(NSString*)scenario
withCompletion:(nullable void (^)(void))engineRunCompletion;
@end
NS_ASSUME_NONNULL_END

28
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios/FlutterEngine+ScenariosTest.m
View File

@ -1,28 +0,0 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "FlutterEngine+ScenariosTest.h"
@implementation FlutterEngine (ScenariosTest)
- (instancetype)initWithScenario:(NSString*)scenario
withCompletion:(nullable void (^)(void))engineRunCompletion {
NSAssert([scenario length] != 0, @"You need to provide a scenario");
self = [self initWithName:[NSString stringWithFormat:@"Test engine for %@", scenario]
project:nil];
[self runWithEntrypoint:nil];
[self.binaryMessenger
setMessageHandlerOnChannel:@"scenario_status"
binaryMessageHandler:^(NSData* message, FlutterBinaryReply reply) {
[self.binaryMessenger
sendOnChannel:@"set_scenario"
message:[scenario dataUsingEncoding:NSUTF8StringEncoding]];
if (engineRunCompletion != nil) {
engineRunCompletion();
}
}];
return self;
}
@end

14
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios/ScreenBeforeFlutter.h
View File

@ -1,14 +0,0 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Flutter/Flutter.h>
@interface ScreenBeforeFlutter : UIViewController
- (id)initWithEngineRunCompletion:(void (^)(void))engineRunCompletion;
- (FlutterViewController*)showFlutter;
@property(nonatomic, readonly) FlutterEngine* engine;
@end

54
engine/src/flutter/testing/scenario_app/ios/Scenarios/Scenarios/ScreenBeforeFlutter.m
View File

@ -1,54 +0,0 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ScreenBeforeFlutter.h"
#import "FlutterEngine+ScenariosTest.h"
@implementation ScreenBeforeFlutter
FlutterEngine* _engine;
- (id)initWithEngineRunCompletion:(void (^)(void))engineRunCompletion {
self = [super init];
_engine = [[FlutterEngine alloc] initWithScenario:@"poppable_screen"
withCompletion:engineRunCompletion];
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = UIColor.grayColor;
UIButton* showFlutterButton = [UIButton buttonWithType:UIButtonTypeSystem];
showFlutterButton.translatesAutoresizingMaskIntoConstraints = NO;
showFlutterButton.backgroundColor = UIColor.blueColor;
[showFlutterButton setTitle:@"Show Flutter" forState:UIControlStateNormal];
showFlutterButton.tintColor = UIColor.whiteColor;
showFlutterButton.clipsToBounds = YES;
[showFlutterButton addTarget:self
action:@selector(showFlutter)
forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:showFlutterButton];
[[showFlutterButton.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor] setActive:YES];
[[showFlutterButton.centerYAnchor constraintEqualToAnchor:self.view.centerYAnchor] setActive:YES];
[[showFlutterButton.heightAnchor constraintEqualToConstant:50] setActive:YES];
[[showFlutterButton.widthAnchor constraintEqualToConstant:150] setActive:YES];
[_engine runWithEntrypoint:nil];
}
- (FlutterViewController*)showFlutter {
FlutterViewController* flutterVC = [[FlutterViewController alloc] initWithEngine:_engine
nibName:nil
bundle:nil];
[self presentViewController:flutterVC animated:NO completion:nil];
return flutterVC;
}
- (FlutterEngine*)engine {
return _engine;
}
@end

144
engine/src/flutter/testing/scenario_app/ios/Scenarios/ScenariosTests/AppLifecycleTests.m
View File

@ -1,144 +0,0 @@
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Flutter/Flutter.h>
#import <XCTest/XCTest.h>
#import "ScreenBeforeFlutter.h"
@interface AppLifecycleTests : XCTestCase
@end
@implementation AppLifecycleTests
- (void)setUp {
[super setUp];
self.continueAfterFailure = NO;
}
- (void)testLifecycleChannel {
XCTestExpectation* engineStartedExpectation = [self expectationWithDescription:@"Engine started"];
// Let the engine finish booting (at the end of which the channels are properly set-up) before
// moving onto the next step of showing the next view controller.
ScreenBeforeFlutter* rootVC = [[ScreenBeforeFlutter alloc] initWithEngineRunCompletion:^void() {
[engineStartedExpectation fulfill];
}];
[self waitForExpectationsWithTimeout:5 handler:nil];
UIApplication* application = UIApplication.sharedApplication;
application.delegate.window.rootViewController = rootVC;
FlutterEngine* engine = rootVC.engine;
NSMutableArray* lifecycleExpectations = [NSMutableArray arrayWithCapacity:10];
NSMutableArray* lifecycleEvents = [NSMutableArray arrayWithCapacity:10];
[lifecycleExpectations addObject:[[XCTestExpectation alloc]
initWithDescription:@"A loading FlutterViewController goes "
@"through AppLifecycleState.inactive"]];
[lifecycleExpectations
addObject:[[XCTestExpectation alloc]
initWithDescription:
@"A loading FlutterViewController goes through AppLifecycleState.resumed"]];
FlutterViewController* flutterVC = [rootVC showFlutter];
[engine.lifecycleChannel setMessageHandler:^(id message, FlutterReply callback) {
if (lifecycleExpectations.count == 0) {
XCTFail(@"Unexpected lifecycle transition: %@", message);
}
[lifecycleEvents addObject:message];
[[lifecycleExpectations objectAtIndex:0] fulfill];
[lifecycleExpectations removeObjectAtIndex:0];
}];
[self waitForExpectations:lifecycleExpectations timeout:5];
// Expected sequence from showing the FlutterViewController is inactive and resumed.
NSArray* expectedStates = @[ @"AppLifecycleState.inactive", @"AppLifecycleState.resumed" ];
XCTAssertEqualObjects(lifecycleEvents, expectedStates,
@"AppLifecycleState transitions while presenting not as expected");
// Now dismiss the FlutterViewController again and expect another inactive and paused.
[lifecycleExpectations
addObject:[[XCTestExpectation alloc]
initWithDescription:@"A dismissed FlutterViewController goes through "
@"AppLifecycleState.inactive"]];
[lifecycleExpectations
addObject:[[XCTestExpectation alloc]
initWithDescription:@"A dismissed FlutterViewController goes through "
@"AppLifecycleState.paused"]];
[flutterVC dismissViewControllerAnimated:NO completion:nil];
[self waitForExpectations:lifecycleExpectations timeout:5];
expectedStates = @[
@"AppLifecycleState.inactive", @"AppLifecycleState.resumed", @"AppLifecycleState.inactive",
@"AppLifecycleState.paused"
];
XCTAssertEqualObjects(lifecycleEvents, expectedStates,
@"AppLifecycleState transitions while dismissing not as expected");
// Now put the app in the background (while the engine is still running) and bring it back to
// the foreground. Granted, we're not winning any awards for hyper-realism but at least we're
// checking that we aren't observing the UIApplication notifications and double registering
// for AppLifecycleState events.
// However the production is temporarily wrong. https://github.com/flutter/flutter/issues/37226.
// It will be fixed in a next PR that removes the wrong asserts.
[lifecycleExpectations
addObject:
[[XCTestExpectation alloc]
initWithDescription:@"Current implementation sends another AppLifecycleState event"]];
[[NSNotificationCenter defaultCenter]
postNotificationName:UIApplicationWillResignActiveNotification
object:nil];
[lifecycleExpectations
addObject:
[[XCTestExpectation alloc]
initWithDescription:@"Current implementation sends another AppLifecycleState event"]];
[[NSNotificationCenter defaultCenter]
postNotificationName:UIApplicationDidEnterBackgroundNotification
object:nil];
[lifecycleExpectations
addObject:
[[XCTestExpectation alloc]
initWithDescription:@"Current implementation sends another AppLifecycleState event"]];
[[NSNotificationCenter defaultCenter]
postNotificationName:UIApplicationWillEnterForegroundNotification
object:nil];
[lifecycleExpectations
addObject:
[[XCTestExpectation alloc]
initWithDescription:@"Current implementation sends another AppLifecycleState event"]];
[[NSNotificationCenter defaultCenter]
postNotificationName:UIApplicationDidBecomeActiveNotification
object:nil];
// There's no timing latch for our semi-fake background-foreground cycle so launch the
// FlutterViewController again to check the complete event list again.
[lifecycleExpectations addObject:[[XCTestExpectation alloc]
initWithDescription:@"A second FlutterViewController goes "
@"through AppLifecycleState.inactive"]];
[lifecycleExpectations
addObject:[[XCTestExpectation alloc]
initWithDescription:
@"A second FlutterViewController goes through AppLifecycleState.resumed"]];
flutterVC = [rootVC showFlutter];
[self waitForExpectations:lifecycleExpectations timeout:5];
expectedStates = @[
@"AppLifecycleState.inactive", @"AppLifecycleState.resumed", @"AppLifecycleState.inactive",
@"AppLifecycleState.paused",
// The production code currently misbehaves. https://github.com/flutter/flutter/issues/37226.
// It will be fixed in a next PR that removes the wrong asserts.
@"AppLifecycleState.inactive", @"AppLifecycleState.paused", @"AppLifecycleState.inactive",
@"AppLifecycleState.resumed",
// We only added 2 from re-launching the FlutterViewController
// and none from the background-foreground cycle.
@"AppLifecycleState.inactive", @"AppLifecycleState.resumed"
];
XCTAssertEqualObjects(
lifecycleEvents, expectedStates,
@"AppLifecycleState transitions while presenting a second time not as expected");
}
@end

13
engine/src/flutter/testing/scenario_app/lib/main.dart
View File

@ -11,13 +11,11 @@ import 'dart:ui';
import 'src/animated_color_square.dart';
import 'src/platform_view.dart';
import 'src/poppable_screen.dart';
import 'src/scenario.dart';
Map<String, Scenario> _scenarios = <String, Scenario>{
'animated_color_square': AnimatedColorSquareScenario(window),
'text_platform_view': PlatformViewScenario(window, 'Hello from Scenarios (Platform View)'),
'poppable_screen': PoppableScreenScenario(window),
};
Scenario _currentScenario = _scenarios['animated_color_square'];
@ -28,7 +26,6 @@ void main() {
..onBeginFrame = _onBeginFrame
..onDrawFrame = _onDrawFrame
..onMetricsChanged = _onMetricsChanged
..onPointerDataPacket = _onPointerDataPacket
..scheduleFrame();
final ByteData data = ByteData(1);
data.setUint8(0, 1);
@ -37,8 +34,8 @@ void main() {
Future<void> _handlePlatformMessage(
String name, ByteData data, PlatformMessageResponseCallback callback) async {
print(name);
print(utf8.decode(data.buffer.asUint8List()));
print(name);
print(utf8.decode(data.buffer.asUint8List()));
if (name == 'set_scenario' && data != null) {
final String scenarioName = utf8.decode(data.buffer.asUint8List());
final Scenario candidateScenario = _scenarios[scenarioName];
@ -54,8 +51,6 @@ Future<void> _handlePlatformMessage(
} else if (name == 'write_timeline') {
final String timelineData = await _getTimelineData();
callback(Uint8List.fromList(utf8.encode(timelineData)).buffer.asByteData());
} else {
_currentScenario?.onPlatformMessage(name, data, callback);
}
}
@ -100,7 +95,3 @@ void _onDrawFrame() {
void _onMetricsChanged() {
_currentScenario.onMetricsChanged();
}
void _onPointerDataPacket(PointerDataPacket packet) {
_currentScenario.onPointerDataPacket(packet);
}

19
engine/src/flutter/testing/scenario_app/lib/src/platform_echo_mixin.dart
View File

@ -1,19 +0,0 @@
// Copyright 2019 The Flutter Authors. 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:typed_data';
import 'dart:ui';
import 'scenario.dart';
mixin PlatformEchoMixin on Scenario {
@override
void onPlatformMessage(
String name,
ByteData data,
PlatformMessageResponseCallback callback,
) {
window.sendPlatformMessage(name, data, null);
}
}

92
engine/src/flutter/testing/scenario_app/lib/src/poppable_screen.dart
View File

@ -1,92 +0,0 @@
// Copyright 2019 The Flutter Authors. 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:convert';
import 'dart:ui';
import 'platform_echo_mixin.dart';
import 'scenario.dart';
/// A blank page with a button that pops the page when tapped.
class PoppableScreenScenario extends Scenario with PlatformEchoMixin {
/// Creates the PoppableScreenScenario.
///
/// The [window] parameter must not be null.
PoppableScreenScenario(Window window)
: assert(window != null),
super(window);
// Rect for the pop button. Only defined once onMetricsChanged is called.
Rect _buttonRect;
@override
void onBeginFrame(Duration duration) {
final SceneBuilder builder = SceneBuilder();
final PictureRecorder recorder = PictureRecorder();
final Canvas canvas = Canvas(recorder);
canvas.drawPaint(Paint()..color = const Color.fromARGB(255, 255, 255, 255));
if (_buttonRect != null) {
canvas.drawRect(
_buttonRect,
Paint()..color = const Color.fromARGB(255, 255, 0, 0),
);
}
final Picture picture = recorder.endRecording();
builder.pushOffset(0, 0);
builder.addPicture(Offset.zero, picture);
final Scene scene = builder.build();
window.render(scene);
scene.dispose();
}
@override
void onDrawFrame() {
// Just draw once since the content never changes.
}
@override
void onMetricsChanged() {
_buttonRect = Rect.fromLTRB(
window.physicalSize.width / 4,
window.physicalSize.height * 2 / 5,
window.physicalSize.width * 3 / 4,
window.physicalSize.height * 3 / 5,
);
window.scheduleFrame();
}
@override
void onPointerDataPacket(PointerDataPacket packet) {
for (PointerData data in packet.data) {
if (data.change == PointerChange.up &&
_buttonRect?.contains(Offset(data.physicalX, data.physicalY)) == true
) {
_pop();
}
}
}
void _pop() {
window.sendPlatformMessage(
// 'flutter/platform' is the hardcoded name of the 'platform'
// `SystemChannel` from the `SystemNavigator` API.
// https://github.com/flutter/flutter/blob/master/packages/flutter/lib/src/services/system_navigator.dart.
'flutter/platform',
// This recreates a combination of OptionalMethodChannel, JSONMethodCodec,
// and _DefaultBinaryMessenger in the framework.
utf8.encoder.convert(
const JsonCodec().encode(<String, dynamic>{
'method': 'SystemNavigator.pop',
'args': null,
})
).buffer.asByteData(),
// Don't care about the response. If it doesn't go through, the test
// will fail.
null,
);
}
}

16
engine/src/flutter/testing/scenario_app/lib/src/scenario.dart
View File

@ -2,7 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:typed_data';
import 'dart:ui';
/// A scenario to run for testing.
@ -28,19 +27,4 @@ abstract class Scenario {
///
/// See [Window.onMetricsChanged].
void onMetricsChanged() {}
/// Called by the program when a pointer event is received.
///
/// See [Window.onPointerDataPacket].
void onPointerDataPacket(PointerDataPacket packet) {}
/// Called by the program when an engine side platform channel message is
/// received.
///
/// See [Window.onPlatformMessage].
void onPlatformMessage(
String name,
ByteData data,
PlatformMessageResponseCallback callback,
) {}
}