| // Copyright 2018 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 'package:flutter/cupertino.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import 'package:mockito/mockito.dart'; |
| |
| void main() { |
| MockNavigatorObserver navigatorObserver; |
| |
| setUp(() { |
| navigatorObserver = MockNavigatorObserver(); |
| }); |
| |
| testWidgets('Middle auto-populates with title', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Placeholder(), |
| ), |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push( |
| CupertinoPageRoute<void>( |
| title: 'An iPod', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ) |
| ); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| // There should be a Text widget with the title in the nav bar even though |
| // we didn't specify anything in the nav bar constructor. |
| expect(find.widgetWithText(CupertinoNavigationBar, 'An iPod'), findsOneWidget); |
| |
| // As a title, it should also be centered. |
| expect(tester.getCenter(find.text('An iPod')).dx, 400.0); |
| }); |
| |
| testWidgets('Large title auto-populates with title', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Placeholder(), |
| ), |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push( |
| CupertinoPageRoute<void>( |
| title: 'An iPod', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| child: CustomScrollView( |
| slivers: <Widget>[ |
| CupertinoSliverNavigationBar(), |
| ], |
| ), |
| ); |
| }, |
| ) |
| ); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| // There should be 2 Text widget with the title in the nav bar. One in the |
| // large title position and one in the middle position (though the middle |
| // position Text is initially invisible while the sliver is expanded). |
| expect( |
| find.widgetWithText(CupertinoSliverNavigationBar, 'An iPod'), |
| findsNWidgets(2), |
| ); |
| |
| final List<Element> titles = tester.elementList(find.text('An iPod')) |
| .toList() |
| ..sort((Element a, Element b) { |
| final RenderParagraph aParagraph = a.renderObject; |
| final RenderParagraph bParagraph = b.renderObject; |
| return aParagraph.text.style.fontSize.compareTo( |
| bParagraph.text.style.fontSize |
| ); |
| }); |
| |
| final Iterable<double> opacities = titles.map<double>((Element element) { |
| final RenderAnimatedOpacity renderOpacity = |
| element.ancestorRenderObjectOfType(const TypeMatcher<RenderAnimatedOpacity>()); |
| return renderOpacity.opacity.value; |
| }); |
| |
| expect(opacities, <double> [ |
| 0.0, // Initially the smaller font title is invisible. |
| 1.0, // The larger font title is visible. |
| ]); |
| |
| // Check that the large font title is at the right spot. |
| expect( |
| tester.getTopLeft(find.byWidget(titles[1].widget)), |
| const Offset(16.0, 54.0), |
| ); |
| |
| // The smaller, initially invisible title, should still be positioned in the |
| // center. |
| expect(tester.getCenter(find.byWidget(titles[0].widget)).dx, 400.0); |
| }); |
| |
| testWidgets('Leading auto-populates with back button with previous title', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Placeholder(), |
| ), |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push( |
| CupertinoPageRoute<void>( |
| title: 'An iPod', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ) |
| ); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push( |
| CupertinoPageRoute<void>( |
| title: 'A Phone', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ) |
| ); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| expect(find.widgetWithText(CupertinoNavigationBar, 'A Phone'), findsOneWidget); |
| expect(tester.getCenter(find.text('A Phone')).dx, 400.0); |
| |
| // Also shows the previous page's title next to the back button. |
| expect(find.widgetWithText(CupertinoButton, 'An iPod'), findsOneWidget); |
| // 2 paddings + 1 ahem character at font size 34.0. |
| expect(tester.getTopLeft(find.text('An iPod')).dx, 8.0 + 34.0 + 6.0); |
| }); |
| |
| testWidgets('Previous title is correct on first transition frame', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Placeholder(), |
| ), |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push( |
| CupertinoPageRoute<void>( |
| title: 'An iPod', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ) |
| ); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push( |
| CupertinoPageRoute<void>( |
| title: 'A Phone', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ) |
| ); |
| |
| // Trigger the route push |
| await tester.pump(); |
| // Draw the first frame. |
| await tester.pump(); |
| |
| // Also shows the previous page's title next to the back button. |
| expect(find.widgetWithText(CupertinoButton, 'An iPod'), findsOneWidget); |
| }); |
| |
| testWidgets('Previous title stays up to date with changing routes', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Placeholder(), |
| ), |
| ); |
| |
| final CupertinoPageRoute<void> route2 = CupertinoPageRoute<void>( |
| title: 'An iPod', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ); |
| |
| final CupertinoPageRoute<void> route3 = CupertinoPageRoute<void>( |
| title: 'A Phone', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push(route2); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push(route3); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).replace( |
| oldRoute: route2, |
| newRoute: CupertinoPageRoute<void>( |
| title: 'An Internet communicator', |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar(), |
| child: Placeholder(), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 500)); |
| |
| expect(find.widgetWithText(CupertinoNavigationBar, 'A Phone'), findsOneWidget); |
| expect(tester.getCenter(find.text('A Phone')).dx, 400.0); |
| |
| // After swapping the route behind the top one, the previous label changes |
| // from An iPod to Back (since An Internet communicator is too long to |
| // fit in the back button). |
| expect(find.widgetWithText(CupertinoButton, 'Back'), findsOneWidget); |
| expect(tester.getTopLeft(find.text('Back')).dx, 8.0 + 34.0 + 6.0); |
| }); |
| |
| testWidgets('Back swipe dismiss interrupted by route push', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/28728 |
| final GlobalKey scaffoldKey = GlobalKey(); |
| |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: CupertinoPageScaffold( |
| key: scaffoldKey, |
| child: Center( |
| child: CupertinoButton( |
| onPressed: () { |
| Navigator.push<void>(scaffoldKey.currentContext, CupertinoPageRoute<void>( |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| child: Center(child: Text('route')), |
| ); |
| }, |
| )); |
| }, |
| child: const Text('push'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Check the basic iOS back-swipe dismiss transition. Dragging the pushed |
| // route halfway across the screen will trigger the iOS dismiss animation |
| |
| await tester.tap(find.text('push')); |
| await tester.pumpAndSettle(); |
| expect(find.text('route'), findsOneWidget); |
| expect(find.text('push'), findsNothing); |
| |
| TestGesture gesture = await tester.startGesture(const Offset(5, 300)); |
| await gesture.moveBy(const Offset(400, 0)); |
| await gesture.up(); |
| await tester.pump(); |
| expect( // The 'route' route has been dragged to the right, halfway across the screen |
| tester.getTopLeft(find.ancestor(of: find.text('route'), matching: find.byType(CupertinoPageScaffold))), |
| const Offset(400, 0), |
| ); |
| expect( // The 'push' route is sliding in from the left. |
| tester.getTopLeft(find.ancestor(of: find.text('push'), matching: find.byType(CupertinoPageScaffold))).dx, |
| lessThan(0), |
| ); |
| await tester.pumpAndSettle(); |
| expect(find.text('push'), findsOneWidget); |
| expect( |
| tester.getTopLeft(find.ancestor(of: find.text('push'), matching: find.byType(CupertinoPageScaffold))), |
| Offset.zero, |
| ); |
| expect(find.text('route'), findsNothing); |
| |
| |
| // Run the dismiss animation 60%, which exposes the route "push" button, |
| // and then press the button. |
| |
| await tester.tap(find.text('push')); |
| await tester.pumpAndSettle(); |
| expect(find.text('route'), findsOneWidget); |
| expect(find.text('push'), findsNothing); |
| |
| gesture = await tester.startGesture(const Offset(5, 300)); |
| await gesture.moveBy(const Offset(400, 0)); // Drag halfway. |
| await gesture.up(); |
| // Trigger the snapping animation. |
| // Since the back swipe drag was brought to >=50% of the screen, it will |
| // self snap to finish the pop transition as the gesture is lifted. |
| // |
| // This drag drop animation is 400ms when dropped exactly halfway |
| // (800 / [pixel distance remaining], see |
| // _CupertinoBackGestureController.dragEnd). It follows a curve that is very |
| // steep initially. |
| await tester.pump(); |
| expect( |
| tester.getTopLeft(find.ancestor(of: find.text('route'), matching: find.byType(CupertinoPageScaffold))), |
| const Offset(400, 0), |
| ); |
| // Let the dismissing snapping animation go 60%. |
| await tester.pump(const Duration(milliseconds: 240)); |
| expect( |
| tester.getTopLeft(find.ancestor(of: find.text('route'), matching: find.byType(CupertinoPageScaffold))).dx, |
| moreOrLessEquals(798, epsilon: 1), |
| ); |
| await tester.tap(find.text('push')); |
| await tester.pumpAndSettle(); |
| expect(find.text('route'), findsOneWidget); |
| expect(find.text('push'), findsNothing); |
| expect( |
| tester.state<NavigatorState>(find.byType(Navigator)).userGestureInProgress, |
| false, |
| ); |
| }); |
| |
| testWidgets('Fullscreen route animates correct transform values over time', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: Builder( |
| builder: (BuildContext context) { |
| return CupertinoButton( |
| child: const Text('Button'), |
| onPressed: () { |
| Navigator.push<void>(context, CupertinoPageRoute<void>( |
| fullscreenDialog: true, |
| builder: (BuildContext context) { |
| return Column( |
| children: <Widget>[ |
| const Placeholder(), |
| CupertinoButton( |
| child: const Text('Close'), |
| onPressed: () { |
| Navigator.pop<void>(context); |
| }, |
| ), |
| ], |
| ); |
| }, |
| )); |
| }, |
| ); |
| } |
| ), |
| ), |
| ); |
| |
| // Enter animation. |
| await tester.tap(find.text('Button')); |
| await tester.pump(); |
| |
| // We use a higher number of intervals since the animation has to scale the |
| // entire screen. |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(443.7, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(291.9, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(168.2, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(89.5, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(48.1, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(26.1, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(14.3, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(7.41, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(3.0, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(0.0, 0.1)); |
| |
| // Exit animation |
| await tester.tap(find.text('Close')); |
| await tester.pump(); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(156.3, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(308.1, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(431.7, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(510.4, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(551.8, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(573.8, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(585.6, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(592.6, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(596.9, 0.1)); |
| |
| await tester.pump(const Duration(milliseconds: 40)); |
| expect(tester.getTopLeft(find.byType(Placeholder)).dy, closeTo(600.0, 0.1)); |
| }); |
| |
| testWidgets('Animated push/pop is not linear', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Text('1'), |
| ), |
| ); |
| |
| final CupertinoPageRoute<void> route2 = CupertinoPageRoute<void>( |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| child: Text('2'), |
| ); |
| } |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push(route2); |
| // The whole transition is 400ms based on CupertinoPageRoute.transitionDuration. |
| // Break it up into small chunks. |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-87, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(537, epsilon: 1)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-166, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(301, epsilon: 1)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| // Translation slows down as time goes on. |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-220, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(141, epsilon: 1)); |
| |
| // Finish the rest of the animation |
| await tester.pump(const Duration(milliseconds: 250)); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).pop(); |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-179, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(262, epsilon: 1)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-100, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(499, epsilon: 1)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| // Translation slows down as time goes on. |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-47, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(659, epsilon: 1)); |
| }); |
| |
| testWidgets('Dragged pop gesture is linear', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Text('1'), |
| ), |
| ); |
| |
| final CupertinoPageRoute<void> route2 = CupertinoPageRoute<void>( |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| child: Text('2'), |
| ); |
| } |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push(route2); |
| |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('1'), findsNothing); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(0)); |
| |
| final TestGesture swipeGesture = await tester.startGesture(const Offset(5, 100)); |
| |
| await swipeGesture.moveBy(const Offset(100, 0)); |
| await tester.pump(); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-233, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(100)); |
| expect( |
| tester.state<NavigatorState>(find.byType(Navigator)).userGestureInProgress, |
| true, |
| ); |
| |
| await swipeGesture.moveBy(const Offset(100, 0)); |
| await tester.pump(); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-200)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(200)); |
| |
| // Moving by the same distance each time produces linear movements on both |
| // routes. |
| await swipeGesture.moveBy(const Offset(100, 0)); |
| await tester.pump(); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-166, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(300)); |
| }); |
| |
| testWidgets('Pop gesture snapping is not linear', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: Text('1'), |
| ), |
| ); |
| |
| final CupertinoPageRoute<void> route2 = CupertinoPageRoute<void>( |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| child: Text('2'), |
| ); |
| } |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).push(route2); |
| |
| await tester.pumpAndSettle(); |
| |
| final TestGesture swipeGesture = await tester.startGesture(const Offset(5, 100)); |
| |
| await swipeGesture.moveBy(const Offset(500, 0)); |
| await swipeGesture.up(); |
| await tester.pump(); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-100)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(500)); |
| expect( |
| tester.state<NavigatorState>(find.byType(Navigator)).userGestureInProgress, |
| true, |
| ); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-19, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(744, epsilon: 1)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| // Rate of change is slowing down. |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(-4, epsilon: 1)); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(787, epsilon: 1)); |
| |
| await tester.pumpAndSettle(); |
| expect( |
| tester.state<NavigatorState>(find.byType(Navigator)).userGestureInProgress, |
| false, |
| ); |
| }); |
| |
| testWidgets('Snapped drags forwards and backwards should signal didStart/StopUserGesture', (WidgetTester tester) async { |
| final GlobalKey<NavigatorState> navigatorKey = GlobalKey(); |
| await tester.pumpWidget( |
| CupertinoApp( |
| navigatorObservers: <NavigatorObserver>[navigatorObserver], |
| navigatorKey: navigatorKey, |
| home: const Text('1'), |
| ), |
| ); |
| |
| final CupertinoPageRoute<void> route2 = CupertinoPageRoute<void>( |
| builder: (BuildContext context) { |
| return const CupertinoPageScaffold( |
| child: Text('2'), |
| ); |
| } |
| ); |
| |
| navigatorKey.currentState.push(route2); |
| await tester.pumpAndSettle(); |
| verify(navigatorObserver.didPush(any, any)).called(greaterThanOrEqualTo(1)); |
| |
| await tester.dragFrom(const Offset(5, 100), const Offset(100, 0)); |
| verify(navigatorObserver.didStartUserGesture(any, any)).called(1); |
| await tester.pump(); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(100)); |
| expect(navigatorKey.currentState.userGestureInProgress, true); |
| |
| // Didn't drag far enough to snap into dismissing this route. |
| // Each 100px distance takes 100ms to snap back. |
| await tester.pump(const Duration(milliseconds: 101)); |
| // Back to the page covering the whole screen. |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(0)); |
| expect(navigatorKey.currentState.userGestureInProgress, false); |
| verify(navigatorObserver.didStopUserGesture()).called(1); |
| verifyNever(navigatorObserver.didPop(any, any)); |
| |
| await tester.dragFrom(const Offset(5, 100), const Offset(500, 0)); |
| await tester.pump(); |
| expect(tester.getTopLeft(find.text('2')).dx, moreOrLessEquals(500)); |
| expect(navigatorKey.currentState.userGestureInProgress, true); |
| verify(navigatorObserver.didPop(any, any)).called(1); |
| |
| // Did go far enough to snap out of this route. |
| await tester.pump(const Duration(milliseconds: 301)); |
| // Back to the page covering the whole screen. |
| expect(find.text('2'), findsNothing); |
| // First route covers the whole screen. |
| expect(tester.getTopLeft(find.text('1')).dx, moreOrLessEquals(0)); |
| expect(navigatorKey.currentState.userGestureInProgress, false); |
| }); |
| |
| /// Regression test for https://github.com/flutter/flutter/issues/29596. |
| testWidgets('test edge swipe then drop back at ending point works', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| navigatorObservers: <NavigatorObserver>[navigatorObserver], |
| onGenerateRoute: (RouteSettings settings) { |
| return CupertinoPageRoute<void>( |
| settings: settings, |
| builder: (BuildContext context) { |
| final String pageNumber = settings.name == '/' ? '1' : '2'; |
| return Center(child: Text('Page $pageNumber')); |
| }, |
| ); |
| }, |
| ), |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).pushNamed('/next'); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| |
| expect(find.text('Page 1'), findsNothing); |
| expect(find.text('Page 2'), isOnstage); |
| |
| final TestGesture gesture = await tester.startGesture(const Offset(5, 200)); |
| // The width of the page. |
| await gesture.moveBy(const Offset(800, 0)); |
| verify(navigatorObserver.didStartUserGesture(any, any)).called(1); |
| await gesture.up(); |
| await tester.pump(); |
| |
| expect(find.text('Page 1'), isOnstage); |
| expect(find.text('Page 2'), findsNothing); |
| verify(navigatorObserver.didPop(any, any)).called(1); |
| verify(navigatorObserver.didStopUserGesture()).called(1); |
| }); |
| |
| testWidgets('test edge swipe then drop back at starting point works', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| navigatorObservers: <NavigatorObserver>[navigatorObserver], |
| onGenerateRoute: (RouteSettings settings) { |
| return CupertinoPageRoute<void>( |
| settings: settings, |
| builder: (BuildContext context) { |
| final String pageNumber = settings.name == '/' ? '1' : '2'; |
| return Center(child: Text('Page $pageNumber')); |
| }, |
| ); |
| }, |
| ), |
| ); |
| |
| tester.state<NavigatorState>(find.byType(Navigator)).pushNamed('/next'); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| |
| expect(find.text('Page 1'), findsNothing); |
| expect(find.text('Page 2'), isOnstage); |
| |
| final TestGesture gesture = await tester.startGesture(const Offset(5, 200)); |
| // Move right a bit |
| await gesture.moveBy(const Offset(300, 0)); |
| verify(navigatorObserver.didStartUserGesture(any, any)).called(1); |
| expect( |
| tester.state<NavigatorState>(find.byType(Navigator)).userGestureInProgress, |
| true, |
| ); |
| await tester.pump(); |
| |
| // Move back to where we started. |
| await gesture.moveBy(const Offset(-300, 0)); |
| await gesture.up(); |
| await tester.pump(); |
| |
| expect(find.text('Page 1'), findsNothing); |
| expect(find.text('Page 2'), isOnstage); |
| verifyNever(navigatorObserver.didPop(any, any)); |
| verify(navigatorObserver.didStopUserGesture()).called(1); |
| expect( |
| tester.state<NavigatorState>(find.byType(Navigator)).userGestureInProgress, |
| false, |
| ); |
| }); |
| } |
| |
| class MockNavigatorObserver extends Mock implements NavigatorObserver {} |
