| // Copyright 2014 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:async'; |
| import 'dart:io'; |
| |
| import 'package:flutter/foundation.dart'; |
| import 'package:flutter/cupertino.dart'; |
| import 'package:flutter/gestures.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/scheduler.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| // ignore: deprecated_member_use |
| import 'package:test_api/test_api.dart' as test_package; |
| import 'package:test_api/src/frontend/async_matcher.dart' show AsyncMatcher; |
| |
| const List<Widget> fooBarTexts = <Text>[ |
| Text('foo', textDirection: TextDirection.ltr), |
| Text('bar', textDirection: TextDirection.ltr), |
| ]; |
| |
| void main() { |
| group('expectLater', () { |
| testWidgets('completes when matcher completes', (WidgetTester tester) async { |
| final Completer<void> completer = Completer<void>(); |
| final Future<void> future = expectLater(null, FakeMatcher(completer)); |
| String? result; |
| future.then<void>((void value) { |
| result = '123'; |
| }); |
| test_package.expect(result, isNull); |
| completer.complete(); |
| test_package.expect(result, isNull); |
| await future; |
| await tester.pump(); |
| test_package.expect(result, '123'); |
| }); |
| |
| testWidgets('respects the skip flag', (WidgetTester tester) async { |
| final Completer<void> completer = Completer<void>(); |
| final Future<void> future = expectLater(null, FakeMatcher(completer), skip: 'testing skip'); |
| bool completed = false; |
| future.then<void>((_) { |
| completed = true; |
| }); |
| test_package.expect(completed, isFalse); |
| await future; |
| test_package.expect(completed, isTrue); |
| }); |
| }); |
| |
| group('respects the group skip flag', () { |
| testWidgets('should be skipped', (WidgetTester tester) async { |
| expect(false, true); |
| }); |
| }, skip: true); |
| |
| group('findsOneWidget', () { |
| testWidgets('finds exactly one widget', (WidgetTester tester) async { |
| await tester.pumpWidget(const Text('foo', textDirection: TextDirection.ltr)); |
| expect(find.text('foo'), findsOneWidget); |
| }); |
| |
| testWidgets('fails with a descriptive message', (WidgetTester tester) async { |
| late TestFailure failure; |
| try { |
| expect(find.text('foo', skipOffstage: false), findsOneWidget); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| final String? message = failure.message; |
| expect(message, contains('Expected: exactly one matching node in the widget tree\n')); |
| expect(message, contains('Actual: _TextFinder:<zero widgets with text "foo">\n')); |
| expect(message, contains('Which: means none were found but one was expected\n')); |
| }); |
| }); |
| |
| group('findsNothing', () { |
| testWidgets('finds no widgets', (WidgetTester tester) async { |
| expect(find.text('foo'), findsNothing); |
| }); |
| |
| testWidgets('fails with a descriptive message', (WidgetTester tester) async { |
| await tester.pumpWidget(const Text('foo', textDirection: TextDirection.ltr)); |
| |
| late TestFailure failure; |
| try { |
| expect(find.text('foo', skipOffstage: false), findsNothing); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| final String? message = failure.message; |
| |
| expect(message, contains('Expected: no matching nodes in the widget tree\n')); |
| expect(message, contains('Actual: _TextFinder:<exactly one widget with text "foo": Text("foo", textDirection: ltr)>\n')); |
| expect(message, contains('Which: means one was found but none were expected\n')); |
| }); |
| |
| testWidgets('fails with a descriptive message when skipping', (WidgetTester tester) async { |
| await tester.pumpWidget(const Text('foo', textDirection: TextDirection.ltr)); |
| |
| late TestFailure failure; |
| try { |
| expect(find.text('foo'), findsNothing); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| final String? message = failure.message; |
| |
| expect(message, contains('Expected: no matching nodes in the widget tree\n')); |
| expect(message, contains('Actual: _TextFinder:<exactly one widget with text "foo" (ignoring offstage widgets): Text("foo", textDirection: ltr)>\n')); |
| expect(message, contains('Which: means one was found but none were expected\n')); |
| }); |
| }); |
| |
| group('pumping', () { |
| testWidgets('pumping', (WidgetTester tester) async { |
| await tester.pumpWidget(const Text('foo', textDirection: TextDirection.ltr)); |
| int count; |
| |
| final AnimationController test = AnimationController( |
| duration: const Duration(milliseconds: 5100), |
| vsync: tester, |
| ); |
| count = await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(count, 1); // it always pumps at least one frame |
| |
| test.forward(from: 0.0); |
| count = await tester.pumpAndSettle(const Duration(seconds: 1)); |
| // 1 frame at t=0, starting the animation |
| // 1 frame at t=1 |
| // 1 frame at t=2 |
| // 1 frame at t=3 |
| // 1 frame at t=4 |
| // 1 frame at t=5 |
| // 1 frame at t=6, ending the animation |
| expect(count, 7); |
| |
| test.forward(from: 0.0); |
| await tester.pump(); // starts the animation |
| count = await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(count, 6); |
| |
| test.forward(from: 0.0); |
| await tester.pump(); // starts the animation |
| await tester.pump(); // has no effect |
| count = await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(count, 6); |
| }); |
| |
| testWidgets('pumpFrames', (WidgetTester tester) async { |
| final List<int> logPaints = <int>[]; |
| int? initial; |
| |
| final Widget target = _AlwaysAnimating( |
| onPaint: () { |
| final int current = SchedulerBinding.instance!.currentFrameTimeStamp.inMicroseconds; |
| initial ??= current; |
| logPaints.add(current - initial!); |
| }, |
| ); |
| |
| await tester.pumpFrames(target, const Duration(milliseconds: 55)); |
| |
| expect(logPaints, <int>[0, 17000, 34000, 50000]); |
| logPaints.clear(); |
| |
| await tester.pumpFrames(target, const Duration(milliseconds: 30), const Duration(milliseconds: 10)); |
| |
| expect(logPaints, <int>[60000, 70000, 80000]); |
| }); |
| }); |
| |
| group('find.byElementPredicate', () { |
| testWidgets('fails with a custom description in the message', (WidgetTester tester) async { |
| await tester.pumpWidget(const Text('foo', textDirection: TextDirection.ltr)); |
| |
| const String customDescription = 'custom description'; |
| late TestFailure failure; |
| try { |
| expect(find.byElementPredicate((_) => false, description: customDescription), findsOneWidget); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| expect(failure.message, contains('Actual: _ElementPredicateFinder:<zero widgets with $customDescription')); |
| }); |
| }); |
| |
| group('find.byWidgetPredicate', () { |
| testWidgets('fails with a custom description in the message', (WidgetTester tester) async { |
| await tester.pumpWidget(const Text('foo', textDirection: TextDirection.ltr)); |
| |
| const String customDescription = 'custom description'; |
| late TestFailure failure; |
| try { |
| expect(find.byWidgetPredicate((_) => false, description: customDescription), findsOneWidget); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| expect(failure.message, contains('Actual: _WidgetPredicateFinder:<zero widgets with $customDescription')); |
| }); |
| }); |
| |
| group('find.descendant', () { |
| testWidgets('finds one descendant', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: fooBarTexts), |
| ], |
| )); |
| |
| expect(find.descendant( |
| of: find.widgetWithText(Row, 'foo'), |
| matching: find.text('bar'), |
| ), findsOneWidget); |
| }); |
| |
| testWidgets('finds two descendants with different ancestors', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: fooBarTexts), |
| Column(children: fooBarTexts), |
| ], |
| )); |
| |
| expect(find.descendant( |
| of: find.widgetWithText(Column, 'foo'), |
| matching: find.text('bar'), |
| ), findsNWidgets(2)); |
| }); |
| |
| testWidgets('fails with a descriptive message', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: const <Text>[Text('foo', textDirection: TextDirection.ltr)]), |
| const Text('bar', textDirection: TextDirection.ltr), |
| ], |
| )); |
| |
| late TestFailure failure; |
| try { |
| expect(find.descendant( |
| of: find.widgetWithText(Column, 'foo'), |
| matching: find.text('bar'), |
| ), findsOneWidget); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| expect( |
| failure.message, |
| contains( |
| 'Actual: _DescendantFinder:<zero widgets with text "bar" that has ancestor(s) with type "Column" which is an ancestor of text "foo"', |
| ), |
| ); |
| }); |
| }); |
| |
| group('find.ancestor', () { |
| testWidgets('finds one ancestor', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: fooBarTexts), |
| ], |
| )); |
| |
| expect(find.ancestor( |
| of: find.text('bar'), |
| matching: find.widgetWithText(Row, 'foo'), |
| ), findsOneWidget); |
| }); |
| |
| testWidgets('finds two matching ancestors, one descendant', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Row( |
| children: <Widget>[ |
| Row(children: fooBarTexts), |
| ], |
| ), |
| ), |
| ); |
| |
| expect(find.ancestor( |
| of: find.text('bar'), |
| matching: find.byType(Row), |
| ), findsNWidgets(2)); |
| }); |
| |
| testWidgets('fails with a descriptive message', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: const <Text>[Text('foo', textDirection: TextDirection.ltr)]), |
| const Text('bar', textDirection: TextDirection.ltr), |
| ], |
| )); |
| |
| late TestFailure failure; |
| try { |
| expect(find.ancestor( |
| of: find.text('bar'), |
| matching: find.widgetWithText(Column, 'foo'), |
| ), findsOneWidget); |
| } on TestFailure catch (e) { |
| failure = e; |
| } |
| |
| expect(failure, isNotNull); |
| expect( |
| failure.message, |
| contains( |
| 'Actual: _AncestorFinder:<zero widgets with type "Column" which is an ancestor of text "foo" which is an ancestor of text "bar"', |
| ), |
| ); |
| }); |
| |
| testWidgets('Root not matched by default', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: fooBarTexts), |
| ], |
| )); |
| |
| expect(find.ancestor( |
| of: find.byType(Column), |
| matching: find.widgetWithText(Column, 'foo'), |
| ), findsNothing); |
| }); |
| |
| testWidgets('Match the root', (WidgetTester tester) async { |
| await tester.pumpWidget(Row( |
| textDirection: TextDirection.ltr, |
| children: <Widget>[ |
| Column(children: fooBarTexts), |
| ], |
| )); |
| |
| expect(find.descendant( |
| of: find.byType(Column), |
| matching: find.widgetWithText(Column, 'foo'), |
| matchRoot: true, |
| ), findsOneWidget); |
| }); |
| }); |
| |
| group('pageBack', () { |
| testWidgets('fails when there are no back buttons', (WidgetTester tester) async { |
| await tester.pumpWidget(Container()); |
| |
| expect( |
| expectAsync0(tester.pageBack), |
| throwsA(isA<TestFailure>()), |
| ); |
| }); |
| |
| testWidgets('successfully taps material back buttons', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: Builder( |
| builder: (BuildContext context) { |
| return ElevatedButton( |
| child: const Text('Next'), |
| onPressed: () { |
| Navigator.push<void>(context, MaterialPageRoute<void>( |
| builder: (BuildContext context) { |
| return Scaffold( |
| appBar: AppBar( |
| title: const Text('Page 2'), |
| ), |
| ); |
| }, |
| )); |
| }, |
| ); |
| } , |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('Next')); |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 400)); |
| |
| await tester.pageBack(); |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 400)); |
| |
| expect(find.text('Next'), findsOneWidget); |
| expect(find.text('Page 2'), findsNothing); |
| }); |
| |
| testWidgets('successfully taps cupertino back buttons', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: Builder( |
| builder: (BuildContext context) { |
| return CupertinoButton( |
| child: const Text('Next'), |
| onPressed: () { |
| Navigator.push<void>(context, CupertinoPageRoute<void>( |
| builder: (BuildContext context) { |
| return CupertinoPageScaffold( |
| navigationBar: const CupertinoNavigationBar( |
| middle: Text('Page 2'), |
| ), |
| child: Container(), |
| ); |
| }, |
| )); |
| }, |
| ); |
| } , |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('Next')); |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 400)); |
| |
| await tester.pageBack(); |
| await tester.pump(); |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('Next'), findsOneWidget); |
| expect(find.text('Page 2'), findsNothing); |
| }); |
| }); |
| |
| testWidgets('hasRunningAnimations control test', (WidgetTester tester) async { |
| final AnimationController controller = AnimationController( |
| duration: const Duration(seconds: 1), |
| vsync: const TestVSync(), |
| ); |
| expect(tester.hasRunningAnimations, isFalse); |
| controller.forward(); |
| expect(tester.hasRunningAnimations, isTrue); |
| controller.stop(); |
| expect(tester.hasRunningAnimations, isFalse); |
| controller.forward(); |
| expect(tester.hasRunningAnimations, isTrue); |
| await tester.pumpAndSettle(); |
| expect(tester.hasRunningAnimations, isFalse); |
| }); |
| |
| testWidgets('pumpAndSettle control test', (WidgetTester tester) async { |
| final AnimationController controller = AnimationController( |
| duration: const Duration(minutes: 525600), |
| vsync: const TestVSync(), |
| ); |
| expect(await tester.pumpAndSettle(), 1); |
| controller.forward(); |
| try { |
| await tester.pumpAndSettle(); |
| expect(true, isFalse); |
| } catch (e) { |
| expect(e, isFlutterError); |
| } |
| controller.stop(); |
| expect(await tester.pumpAndSettle(), 1); |
| controller.duration = const Duration(seconds: 1); |
| controller.forward(); |
| expect(await tester.pumpAndSettle(const Duration(milliseconds: 300)), 5); // 0, 300, 600, 900, 1200ms |
| }); |
| |
| testWidgets('Input event array', (WidgetTester tester) async { |
| final List<String> logs = <String>[]; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Listener( |
| onPointerDown: (PointerDownEvent event) => logs.add('down ${event.buttons}'), |
| onPointerMove: (PointerMoveEvent event) => logs.add('move ${event.buttons}'), |
| onPointerUp: (PointerUpEvent event) => logs.add('up ${event.buttons}'), |
| child: const Text('test'), |
| ), |
| ), |
| ); |
| |
| final Offset location = tester.getCenter(find.text('test')); |
| final List<PointerEventRecord> records = <PointerEventRecord>[ |
| PointerEventRecord(Duration.zero, <PointerEvent>[ |
| // Typically PointerAddedEvent is not used in testers, but for records |
| // captured on a device it is usually what start a gesture. |
| PointerAddedEvent( |
| timeStamp: Duration.zero, |
| position: location, |
| ), |
| PointerDownEvent( |
| timeStamp: Duration.zero, |
| position: location, |
| buttons: kSecondaryMouseButton, |
| pointer: 1, |
| ), |
| ]), |
| ...<PointerEventRecord>[ |
| for (Duration t = const Duration(milliseconds: 5); |
| t < const Duration(milliseconds: 80); |
| t += const Duration(milliseconds: 16)) |
| PointerEventRecord(t, <PointerEvent>[ |
| PointerMoveEvent( |
| timeStamp: t - const Duration(milliseconds: 1), |
| position: location, |
| buttons: kSecondaryMouseButton, |
| pointer: 1, |
| ) |
| ]) |
| ], |
| PointerEventRecord(const Duration(milliseconds: 80), <PointerEvent>[ |
| PointerUpEvent( |
| timeStamp: const Duration(milliseconds: 79), |
| position: location, |
| buttons: kSecondaryMouseButton, |
| pointer: 1, |
| ) |
| ]) |
| ]; |
| final List<Duration> timeDiffs = await tester.handlePointerEventRecord(records); |
| expect(timeDiffs.length, records.length); |
| for (final Duration diff in timeDiffs) { |
| expect(diff, Duration.zero); |
| } |
| |
| const String b = '$kSecondaryMouseButton'; |
| expect(logs.first, 'down $b'); |
| for (int i = 1; i < logs.length - 1; i++) { |
| expect(logs[i], 'move $b'); |
| } |
| expect(logs.last, 'up $b'); |
| }); |
| |
| group('runAsync', () { |
| testWidgets('works with no async calls', (WidgetTester tester) async { |
| String? value; |
| await tester.runAsync(() async { |
| value = '123'; |
| }); |
| expect(value, '123'); |
| }); |
| |
| testWidgets('works with real async calls', (WidgetTester tester) async { |
| final StringBuffer buf = StringBuffer('1'); |
| await tester.runAsync(() async { |
| buf.write('2'); |
| //ignore: avoid_slow_async_io |
| await Directory.current.stat(); |
| buf.write('3'); |
| }); |
| buf.write('4'); |
| expect(buf.toString(), '1234'); |
| }); |
| |
| testWidgets('propagates return values', (WidgetTester tester) async { |
| final String? value = await tester.runAsync<String>(() async { |
| return '123'; |
| }); |
| expect(value, '123'); |
| }); |
| |
| testWidgets('reports errors via framework', (WidgetTester tester) async { |
| final String? value = await tester.runAsync<String>(() async { |
| throw ArgumentError(); |
| }); |
| expect(value, isNull); |
| expect(tester.takeException(), isArgumentError); |
| }); |
| |
| testWidgets('disallows re-entry', (WidgetTester tester) async { |
| final Completer<void> completer = Completer<void>(); |
| tester.runAsync<void>(() => completer.future); |
| expect(() => tester.runAsync(() async { }), throwsA(isA<TestFailure>())); |
| completer.complete(); |
| }); |
| |
| testWidgets('maintains existing zone values', (WidgetTester tester) async { |
| final Object key = Object(); |
| await runZoned<Future<void>>(() { |
| expect(Zone.current[key], 'abczed'); |
| return tester.runAsync<void>(() async { |
| expect(Zone.current[key], 'abczed'); |
| }); |
| }, zoneValues: <dynamic, dynamic>{ |
| key: 'abczed', |
| }); |
| }); |
| }); |
| |
| group('showKeyboard', () { |
| testWidgets('can be called twice', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Material( |
| child: Center( |
| child: TextFormField(), |
| ), |
| ), |
| ), |
| ); |
| await tester.showKeyboard(find.byType(TextField)); |
| await tester.testTextInput.receiveAction(TextInputAction.done); |
| await tester.pump(); |
| await tester.showKeyboard(find.byType(TextField)); |
| await tester.testTextInput.receiveAction(TextInputAction.done); |
| await tester.pump(); |
| await tester.showKeyboard(find.byType(TextField)); |
| await tester.showKeyboard(find.byType(TextField)); |
| await tester.pump(); |
| }); |
| |
| testWidgets( |
| 'can focus on offstage text input field if finder says not to skip offstage nodes', |
| (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Material( |
| child: Offstage( |
| child: TextFormField(), |
| ), |
| ), |
| ), |
| ); |
| await tester.showKeyboard(find.byType(TextField, skipOffstage: false)); |
| }); |
| }); |
| |
| testWidgets('verifyTickersWereDisposed control test', (WidgetTester tester) async { |
| late FlutterError error; |
| final Ticker ticker = tester.createTicker((Duration duration) {}); |
| ticker.start(); |
| try { |
| tester.verifyTickersWereDisposed(''); |
| } on FlutterError catch (e) { |
| error = e; |
| } finally { |
| expect(error, isNotNull); |
| expect(error.diagnostics.length, 4); |
| expect(error.diagnostics[2].level, DiagnosticLevel.hint); |
| expect( |
| error.diagnostics[2].toStringDeep(), |
| 'Tickers used by AnimationControllers should be disposed by\n' |
| 'calling dispose() on the AnimationController itself. Otherwise,\n' |
| 'the ticker will leak.\n', |
| ); |
| expect(error.diagnostics.last, isA<DiagnosticsProperty<Ticker>>()); |
| expect(error.diagnostics.last.value, ticker); |
| expect(error.toStringDeep(), startsWith( |
| 'FlutterError\n' |
| ' A Ticker was active .\n' |
| ' All Tickers must be disposed.\n' |
| ' Tickers used by AnimationControllers should be disposed by\n' |
| ' calling dispose() on the AnimationController itself. Otherwise,\n' |
| ' the ticker will leak.\n' |
| ' The offending ticker was:\n' |
| ' _TestTicker()\n', |
| )); |
| } |
| ticker.stop(); |
| }); |
| |
| group('testWidgets variants work', () { |
| int numberOfVariationsRun = 0; |
| |
| testWidgets('variant tests run all values provided', (WidgetTester tester) async { |
| if (debugDefaultTargetPlatformOverride == null) { |
| expect(numberOfVariationsRun, equals(TargetPlatform.values.length)); |
| } else { |
| numberOfVariationsRun += 1; |
| } |
| }, variant: TargetPlatformVariant(TargetPlatform.values.toSet())); |
| |
| testWidgets('variant tests have descriptions with details', (WidgetTester tester) async { |
| if (debugDefaultTargetPlatformOverride == null) { |
| expect(tester.testDescription, equals('variant tests have descriptions with details')); |
| } else { |
| expect(tester.testDescription, equals('variant tests have descriptions with details ($debugDefaultTargetPlatformOverride)')); |
| } |
| }, variant: TargetPlatformVariant(TargetPlatform.values.toSet())); |
| }); |
| |
| group('TargetPlatformVariant', () { |
| int numberOfVariationsRun = 0; |
| TargetPlatform? origTargetPlatform; |
| |
| setUpAll((){ |
| origTargetPlatform = debugDefaultTargetPlatformOverride; |
| }); |
| |
| tearDownAll((){ |
| expect(debugDefaultTargetPlatformOverride, equals(origTargetPlatform)); |
| }); |
| |
| testWidgets('TargetPlatformVariant.only tests given value', (WidgetTester tester) async { |
| expect(debugDefaultTargetPlatformOverride, equals(TargetPlatform.iOS)); |
| expect(defaultTargetPlatform, equals(TargetPlatform.iOS)); |
| }, variant: TargetPlatformVariant.only(TargetPlatform.iOS)); |
| |
| testWidgets('TargetPlatformVariant.all tests run all variants', (WidgetTester tester) async { |
| if (debugDefaultTargetPlatformOverride == null) { |
| expect(numberOfVariationsRun, equals(TargetPlatform.values.length)); |
| } else { |
| numberOfVariationsRun += 1; |
| } |
| }, variant: TargetPlatformVariant.all()); |
| |
| testWidgets('TargetPlatformVariant.desktop + mobile contains all TargetPlatform values', (WidgetTester tester) async { |
| final TargetPlatformVariant all = TargetPlatformVariant.all(); |
| final TargetPlatformVariant desktop = TargetPlatformVariant.all(); |
| final TargetPlatformVariant mobile = TargetPlatformVariant.all(); |
| expect(desktop.values.union(mobile.values), equals(all.values)); |
| }); |
| }); |
| |
| group('Pending timer', () { |
| late TestExceptionReporter currentExceptionReporter; |
| setUp(() { |
| currentExceptionReporter = reportTestException; |
| }); |
| |
| tearDown(() { |
| reportTestException = currentExceptionReporter; |
| }); |
| |
| test('Throws assertion message without code', () async { |
| late FlutterErrorDetails flutterErrorDetails; |
| reportTestException = (FlutterErrorDetails details, String testDescription) { |
| flutterErrorDetails = details; |
| }; |
| |
| final TestWidgetsFlutterBinding binding = TestWidgetsFlutterBinding.ensureInitialized() as TestWidgetsFlutterBinding; |
| await binding.runTest(() async { |
| final Timer timer = Timer(const Duration(seconds: 1), () {}); |
| expect(timer.isActive, true); |
| }, () {}); |
| |
| expect(flutterErrorDetails.exception, isA<AssertionError>()); |
| expect((flutterErrorDetails.exception as AssertionError).message, 'A Timer is still pending even after the widget tree was disposed.'); |
| }); |
| }); |
| } |
| |
| class FakeMatcher extends AsyncMatcher { |
| FakeMatcher(this.completer); |
| |
| final Completer<void> completer; |
| |
| @override |
| Future<String?> matchAsync(dynamic object) { |
| return completer.future.then<String?>((void value) { |
| return object?.toString(); |
| }); |
| } |
| |
| @override |
| Description describe(Description description) => description.add('--fake--'); |
| } |
| |
| class _SingleTickerTest extends StatefulWidget { |
| const _SingleTickerTest({Key? key}) : super(key: key); |
| |
| @override |
| _SingleTickerTestState createState() => _SingleTickerTestState(); |
| } |
| |
| class _SingleTickerTestState extends State<_SingleTickerTest> with SingleTickerProviderStateMixin { |
| late AnimationController controller; |
| |
| @override |
| void initState() { |
| super.initState(); |
| controller = AnimationController( |
| vsync: this, |
| duration: const Duration(seconds: 100), |
| ) ; |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return Container(); |
| } |
| } |
| |
| class _AlwaysAnimating extends StatefulWidget { |
| const _AlwaysAnimating({ |
| this.child, |
| required this.onPaint, |
| }); |
| |
| final Widget? child; |
| final VoidCallback onPaint; |
| |
| @override |
| State<StatefulWidget> createState() => _AlwaysAnimatingState(); |
| } |
| |
| class _AlwaysAnimatingState extends State<_AlwaysAnimating> with SingleTickerProviderStateMixin { |
| late AnimationController _controller; |
| |
| @override |
| void initState() { |
| super.initState(); |
| _controller = AnimationController( |
| duration: const Duration(milliseconds: 100), |
| vsync: this, |
| ); |
| _controller.repeat(); |
| } |
| |
| @override |
| void dispose() { |
| _controller.dispose(); |
| super.dispose(); |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return AnimatedBuilder( |
| animation: _controller.view, |
| builder: (BuildContext context, Widget? child) { |
| return CustomPaint( |
| painter: _AlwaysRepaint(widget.onPaint), |
| child: widget.child, |
| ); |
| }, |
| ); |
| } |
| } |
| |
| class _AlwaysRepaint extends CustomPainter { |
| _AlwaysRepaint(this.onPaint); |
| |
| final VoidCallback onPaint; |
| |
| @override |
| bool shouldRepaint(CustomPainter oldDelegate) => true; |
| |
| @override |
| void paint(Canvas canvas, Size size) { |
| onPaint(); |
| } |
| } |
