Updates `flutter/test/widgets` to no longer reference `TestWindow` (#122354)

Updates `flutter/test/widgets` to no longer reference `TestWindow`

packages/flutter/test/widgets/default_colors_test.dart

@@ -146,7 +146,7 @@ Future<void> _expectColors(WidgetTester tester, Finder finder, Set<Color> allowe
     assert(position.dx.round() < image.width);
     assert(position.dy.round() >= 0);
     assert(position.dy.round() < image.height);
-    final Offset precisePosition = position * binding.window.devicePixelRatio;
+    final Offset precisePosition = position * tester.view.devicePixelRatio;
     final Color actual = _getPixel(bytes, precisePosition.dx.round(), precisePosition.dy.round(), image.width);
     expect(actual, expected, reason: 'Pixel at $position is $actual but expected $expected.');
   });

packages/flutter/test/widgets/editable_text_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:convert' show jsonDecode;
-import 'dart:ui' as ui;
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -44,26 +43,6 @@ class _MatchesMethodCall extends Matcher {
   }
 }
 
-// Used to set window.viewInsets since the real ui.WindowPadding has only a
-// private constructor.
-class _TestViewPadding implements ui.ViewPadding {
-  const _TestViewPadding({
-    required this.bottom,
-  });
-
-  @override
-  final double bottom;
-
-  @override
-  double get top => 0.0;
-
-  @override
-  double get left => 0.0;
-
-  @override
-  double get right => 0.0;
-}
-
 late TextEditingController controller;
 final FocusNode focusNode = FocusNode(debugLabel: 'EditableText Node');
 final FocusScopeNode focusScopeNode = FocusScopeNode(debugLabel: 'EditableText Scope Node');
@@ -134,6 +113,8 @@ void main() {
 
   testWidgets('Text with selection can be shown on the screen when the keyboard shown', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/119628
+    addTearDown(tester.view.reset);
+
     final ScrollController scrollController = ScrollController();
     final TextEditingController textController = TextEditingController.fromValue(
       const TextEditingValue(text: 'I love flutter'),
@@ -164,8 +145,7 @@ void main() {
     await tester.pumpWidget(widget);
 
     await tester.showKeyboard(find.byType(EditableText));
-    TestWidgetsFlutterBinding.instance.window.viewInsetsTestValue = const _TestViewPadding(bottom: 500);
-    addTearDown(TestWidgetsFlutterBinding.instance.window.clearViewInsetsTestValue);
+    tester.view.viewInsets = const FakeViewPadding(bottom: 500);
     textController.selection = TextSelection(
       baseOffset: 0,
       extentOffset: textController.text.length,
@@ -173,13 +153,15 @@ void main() {
 
     await tester.pump();
 
-    // The offset of the scrollController should change immediately after window changes its metrics.
+    // The offset of the scrollController should change immediately after view changes its metrics.
     final double offsetAfter = scrollController.offset;
     expect(offsetAfter, isNot(0.0));
   });
 
   // Related issue: https://github.com/flutter/flutter/issues/98115
-  testWidgets('ScheduleShowCaretOnScreen with no animation when the window changes metrics', (WidgetTester tester) async {
+  testWidgets('ScheduleShowCaretOnScreen with no animation when the view changes metrics', (WidgetTester tester) async {
+    addTearDown(tester.view.reset);
+
     final ScrollController scrollController = ScrollController();
     final Widget widget = MaterialApp(
       home: Scaffold(
@@ -215,11 +197,10 @@ void main() {
     );
     await tester.pumpWidget(widget);
     await tester.showKeyboard(find.byType(EditableText));
-    TestWidgetsFlutterBinding.instance.window.viewInsetsTestValue = const _TestViewPadding(bottom: 500);
-    addTearDown(TestWidgetsFlutterBinding.instance.window.clearViewInsetsTestValue);
+    tester.view.viewInsets = const FakeViewPadding(bottom: 500);
     await tester.pump();
 
-    // The offset of the scrollController should change immediately after window changes its metrics.
+    // The offset of the scrollController should change immediately after view changes its metrics.
     final double offsetAfter = scrollController.offset;
     expect(offsetAfter, isNot(0.0));
   });
@@ -1841,7 +1822,7 @@ void main() {
   });
 
   testWidgets('toolbar hidden on mobile when orientation changes', (WidgetTester tester) async {
-    addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
+    addTearDown(tester.view.reset);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -1871,7 +1852,7 @@ void main() {
     expect(find.text('Paste'), findsOneWidget);
 
     // Hide the menu by changing orientation.
-    tester.binding.window.physicalSizeTestValue = const Size(1800.0, 2400.0);
+    tester.view.physicalSize = const Size(1800.0, 2400.0);
     await tester.pumpAndSettle();
     expect(find.text('Paste'), findsNothing);
 
@@ -5176,9 +5157,9 @@ void main() {
   });
 
   testWidgets('selection rects are sent when they change', (WidgetTester tester) async {
-    addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
+    addTearDown(tester.view.reset);
     // Ensure selection rects are sent on iPhone (using SE 3rd gen size)
-    tester.binding.window.physicalSizeTestValue = const Size(750.0, 1334.0);
+    tester.view.physicalSize = const Size(750.0, 1334.0);
 
     final List<List<SelectionRect>> log = <List<SelectionRect>>[];
     SystemChannels.textInput.setMockMethodCallHandler((MethodCall methodCall) async {

packages/flutter/test/widgets/heroes_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:ui' as ui;
-import 'dart:ui' show ViewPadding;
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -184,25 +183,6 @@ class MyStatefulWidgetState extends State<MyStatefulWidget> {
   Widget build(BuildContext context) => Text(widget.value);
 }
 
-class FakeViewPadding implements ViewPadding {
-  const FakeViewPadding({
-    this.left = 0.0,
-    this.top = 0.0,
-    this.right = 0.0,
-    this.bottom = 0.0,
-  });
-
-  @override
-  final double left;
-  @override
-  final double top;
-  @override
-  final double right;
-  @override
-  final double bottom;
-}
-
-
 Future<void> main() async {
   final ui.Image testImage = await createTestImage();
 
@@ -3090,14 +3070,16 @@ Future<void> main() async {
     await tester.pumpAndSettle();
     expect(tester.takeException(), isNull);
   });
+
   testWidgets('smooth transition between different incoming data', (WidgetTester tester) async {
+    addTearDown(tester.view.reset);
+
     final GlobalKey<NavigatorState> navigatorKey = GlobalKey();
     const Key imageKey1 = Key('image1');
     const Key imageKey2 = Key('image2');
     final TestImageProvider imageProvider = TestImageProvider(testImage);
-      final TestWidgetsFlutterBinding testBinding = tester.binding;
 
-      testBinding.window.paddingTestValue = const FakeViewPadding(top: 50);
+    tester.view.padding = const FakeViewPadding(top: 50);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -3152,10 +3134,7 @@ Future<void> main() async {
     expect(tester.getTopLeft(find.byType(Image)).dy, moreOrLessEquals(forwardRest, epsilon: 0.1));
     await tester.pumpAndSettle();
     expect(tester.getTopLeft(find.byType(Image)).dy, moreOrLessEquals(forwardRest, epsilon: 0.1));
-
-      testBinding.window.clearAllTestValues();
-    },
-  );
+  });
 }
 
 class TestDependencies extends StatelessWidget {

packages/flutter/test/widgets/interactive_viewer_test.dart

@@ -1190,6 +1190,8 @@ void main() {
     }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.macOS, TargetPlatform.linux, TargetPlatform.windows }));
 
     testWidgets('viewport changes size', (WidgetTester tester) async {
+      addTearDown(tester.view.reset);
+
       final TransformationController transformationController = TransformationController();
       await tester.pumpWidget(
         MaterialApp(
@@ -1222,8 +1224,7 @@ void main() {
       expect(transformationController.value, equals(Matrix4.identity()));
 
       // Shrink the size of the screen.
-      tester.binding.window.physicalSizeTestValue = const Size(100.0, 100.0);
-      addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
+      tester.view.physicalSize = const Size(100.0, 100.0);
       await tester.pump();
 
       // Attempting to drag to pan still doesn't work, because the image has

packages/flutter/test/widgets/page_view_test.dart

@@ -142,7 +142,7 @@ void main() {
 
     // Set the starting viewportDimension to 0.0
     await tester.binding.setSurfaceSize(Size.zero);
-    final MediaQueryData mediaQueryData = MediaQueryData.fromView(tester.binding.window);
+    final MediaQueryData mediaQueryData = MediaQueryData.fromView(tester.view);
 
     Widget build(Size size) {
       return MediaQuery(
@@ -1048,7 +1048,7 @@ void main() {
       viewportDimension: 25.0,
       axisDirection: AxisDirection.right,
       viewportFraction: 1.0,
-      devicePixelRatio: tester.binding.window.devicePixelRatio,
+      devicePixelRatio: tester.view.devicePixelRatio,
     );
     expect(page.page, 6);
     final PageMetrics page2 = page.copyWith(

packages/flutter/test/widgets/platform_view_test.dart

@@ -2599,6 +2599,8 @@ void main() {
     );
 
     testWidgets('PlatformViewLink includes offset in create call when using texture layer', (WidgetTester tester) async {
+      addTearDown(tester.view.reset);
+
       late FakeAndroidViewController controller;
 
       final PlatformViewLink platformViewLink = PlatformViewLink(
@@ -2622,8 +2624,8 @@ void main() {
         },
       );
 
-      TestWidgetsFlutterBinding.instance.window.physicalSizeTestValue = const Size(400, 200);
-      TestWidgetsFlutterBinding.instance.window.devicePixelRatioTestValue = 1.0;
+      tester.view.physicalSize= const Size(400, 200);
+      tester.view.devicePixelRatio = 1.0;
 
       await tester.pumpWidget(
         Container(
@@ -2638,9 +2640,6 @@ void main() {
       );
 
       expect(controller.createPosition, const Offset(150, 75));
-
-      TestWidgetsFlutterBinding.instance.window.clearPhysicalSizeTestValue();
-      TestWidgetsFlutterBinding.instance.window.clearDevicePixelRatioTestValue();
     });
 
     testWidgets(

packages/flutter/test/widgets/scrollbar_test.dart

@@ -2038,7 +2038,9 @@ void main() {
     expect(find.byType(RawScrollbar), isNot(paints..rect())); // Hide the bar.
   });
 
-  testWidgets('The bar can show or hide when the window size change', (WidgetTester tester) async {
+  testWidgets('The bar can show or hide when the view size change', (WidgetTester tester) async {
+    addTearDown(tester.view.reset);
+
     final ScrollController scrollController = ScrollController();
     Widget buildFrame() {
       return Directionality(
@@ -2061,21 +2063,19 @@ void main() {
         ),
       );
     }
-    tester.binding.window.physicalSizeTestValue = const Size(800.0, 600.0);
-    tester.binding.window.devicePixelRatioTestValue = 1;
-    addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
-    addTearDown(tester.binding.window.clearDevicePixelRatioTestValue);
+    tester.view.physicalSize = const Size(800.0, 600.0);
+    tester.view.devicePixelRatio = 1;
 
     await tester.pumpWidget(buildFrame());
     await tester.pumpAndSettle();
     expect(scrollController.offset, 0.0);
     expect(find.byType(RawScrollbar), isNot(paints..rect())); // Not shown.
 
-    tester.binding.window.physicalSizeTestValue = const Size(800.0, 599.0);
+    tester.view.physicalSize = const Size(800.0, 599.0);
     await tester.pumpAndSettle();
     expect(find.byType(RawScrollbar), paints..rect()..rect()); // Show the bar.
 
-    tester.binding.window.physicalSizeTestValue = const Size(800.0, 600.0);
+    tester.view.physicalSize = const Size(800.0, 600.0);
     await tester.pumpAndSettle();
     expect(find.byType(RawScrollbar), isNot(paints..rect())); // Not shown.
   });

packages/flutter/test/widgets/selectable_region_test.dart

@@ -1668,6 +1668,8 @@ void main() {
   });
 
   testWidgets('toolbar is hidden on mobile when orientation changes', (WidgetTester tester) async {
+    addTearDown(tester.view.reset);
+
     await tester.pumpWidget(
       MaterialApp(
         home: SelectableRegion(
@@ -1677,7 +1679,6 @@ void main() {
         ),
       ),
     );
-    addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
 
     final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('How are you?'), matching: find.byType(RichText)));
     final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph1, 6)); // at the 'r'
@@ -1690,7 +1691,7 @@ void main() {
     expect(find.text('Copy'), findsOneWidget);
 
     // Hide the toolbar by changing orientation.
-    tester.binding.window.physicalSizeTestValue = const Size(1800.0, 2400.0);
+    tester.view.physicalSize = const Size(1800.0, 2400.0);
     await tester.pumpAndSettle();
     expect(find.text('Copy'), findsNothing);
 

packages/flutter/test/widgets/snapshot_widget_test.dart

@@ -264,12 +264,11 @@ void main() {
   }, skip: kIsWeb); // TODO(jonahwilliams): https://github.com/flutter/flutter/issues/106689
 
   testWidgets('SnapshotWidget should have same result when enabled', (WidgetTester tester) async {
-    tester.binding.window
-      ..physicalSizeTestValue = const Size(10, 10)
-      ..devicePixelRatioTestValue = 1;
-    addTearDown(() => tester.binding.window
-      ..clearPhysicalSizeTestValue()
-      ..clearDevicePixelRatioTestValue());
+    addTearDown(tester.view.reset);
+
+    tester.view
+      ..physicalSize = const Size(10, 10)
+      ..devicePixelRatio = 1;
 
     const ValueKey<String> repaintBoundaryKey = ValueKey<String>('boundary');
     final SnapshotController controller = SnapshotController();