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open_container_test.dart
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// Copyright 2013 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 'package:animations/src/open_container.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets(
'Container opens - Fade (by default)',
(WidgetTester tester) async {
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(8.0)),
);
bool closedBuilderCalled = false;
bool openBuilderCalled = false;
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedColor: Colors.green,
openColor: Colors.blue,
closedElevation: 4.0,
openElevation: 8.0,
closedShape: shape,
closedBuilder: (BuildContext context, VoidCallback _) {
closedBuilderCalled = true;
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback _) {
openBuilderCalled = true;
return const Text('Open');
},
),
),
));
// Closed container has the expected properties.
final StatefulElement srcMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
),
);
final Material srcMaterial = srcMaterialElement.widget as Material;
expect(srcMaterial.color, Colors.green);
expect(srcMaterial.elevation, 4.0);
expect(srcMaterial.shape, shape);
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsNothing);
expect(closedBuilderCalled, isTrue);
expect(openBuilderCalled, isFalse);
final Rect srcMaterialRect = tester.getRect(
find.byElementPredicate((Element e) => e == srcMaterialElement),
);
// Open the container.
await tester.tap(find.text('Closed'));
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsNothing);
await tester.pump();
// On the first frame of the animation everything still looks like before.
final StatefulElement destMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
),
);
final Material closedMaterial = destMaterialElement.widget as Material;
expect(closedMaterial.color, Colors.green);
expect(closedMaterial.elevation, 4.0);
expect(closedMaterial.shape, shape);
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsOneWidget);
final Rect closedMaterialRect = tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
);
expect(closedMaterialRect, srcMaterialRect);
expect(_getOpacity(tester, 'Open'), 0.0);
expect(_getOpacity(tester, 'Closed'), 1.0);
final _TrackedData dataClosed = _TrackedData(
closedMaterial,
closedMaterialRect,
);
// Jump to the start of the fade in.
await tester.pump(const Duration(milliseconds: 60)); // 300ms * 1/5 = 60ms
final _TrackedData dataPreFade = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataClosed,
biggerMaterial: dataPreFade,
tester: tester,
);
expect(_getOpacity(tester, 'Open'), moreOrLessEquals(0.0));
expect(_getOpacity(tester, 'Closed'), 1.0);
// Jump to the middle of the fade in.
await tester
.pump(const Duration(milliseconds: 30)); // 300ms * 3/10 = 90ms
final _TrackedData dataMidFadeIn = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataPreFade,
biggerMaterial: dataMidFadeIn,
tester: tester,
);
expect(dataMidFadeIn.material.color, isNot(dataPreFade.material.color));
expect(_getOpacity(tester, 'Open'), lessThan(1.0));
expect(_getOpacity(tester, 'Open'), greaterThan(0.0));
expect(_getOpacity(tester, 'Closed'), 1.0);
// Jump to the end of the fade in at 2/5 of 300ms.
await tester.pump(
const Duration(milliseconds: 30),
); // 300ms * 2/5 = 120ms
final _TrackedData dataPostFadeIn = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidFadeIn,
biggerMaterial: dataPostFadeIn,
tester: tester,
);
expect(_getOpacity(tester, 'Open'), moreOrLessEquals(1.0));
expect(_getOpacity(tester, 'Closed'), 1.0);
// Jump almost to the end of the transition.
await tester.pump(const Duration(milliseconds: 180));
final _TrackedData dataTransitionDone = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidFadeIn,
biggerMaterial: dataTransitionDone,
tester: tester,
);
expect(_getOpacity(tester, 'Open'), 1.0);
expect(dataTransitionDone.material.color, Colors.blue);
expect(dataTransitionDone.material.elevation, 8.0);
expect(dataTransitionDone.radius, 0.0);
expect(dataTransitionDone.rect, const Rect.fromLTRB(0, 0, 800, 600));
await tester.pump(const Duration(milliseconds: 1));
expect(find.text('Closed'), findsNothing); // No longer in the tree.
expect(find.text('Open'), findsOneWidget);
final StatefulElement finalMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
),
);
final _TrackedData dataOpen = _TrackedData(
finalMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == finalMaterialElement),
),
);
expect(dataOpen.material.color, dataTransitionDone.material.color);
expect(
dataOpen.material.elevation, dataTransitionDone.material.elevation);
expect(dataOpen.radius, dataTransitionDone.radius);
expect(dataOpen.rect, dataTransitionDone.rect);
},
);
testWidgets(
'Container closes - Fade (by default)',
(WidgetTester tester) async {
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(8.0)),
);
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedColor: Colors.green,
openColor: Colors.blue,
closedElevation: 4.0,
openElevation: 8.0,
closedShape: shape,
closedBuilder: (BuildContext context, VoidCallback _) {
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback _) {
return const Text('Open');
},
),
),
));
await tester.tap(find.text('Closed'));
await tester.pumpAndSettle();
// Open container has the expected properties.
expect(find.text('Closed'), findsNothing);
expect(find.text('Open'), findsOneWidget);
final StatefulElement initialMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
),
);
final _TrackedData dataOpen = _TrackedData(
initialMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == initialMaterialElement),
),
);
expect(dataOpen.material.color, Colors.blue);
expect(dataOpen.material.elevation, 8.0);
expect(dataOpen.radius, 0.0);
expect(dataOpen.rect, const Rect.fromLTRB(0, 0, 800, 600));
// Close the container.
final NavigatorState navigator = tester.state(find.byType(Navigator));
navigator.pop();
await tester.pump();
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsOneWidget);
final StatefulElement materialElement = tester.firstElement(
find.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
),
);
final _TrackedData dataTransitionStart = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
expect(dataTransitionStart.material.color, dataOpen.material.color);
expect(
dataTransitionStart.material.elevation, dataOpen.material.elevation);
expect(dataTransitionStart.radius, dataOpen.radius);
expect(dataTransitionStart.rect, dataOpen.rect);
expect(_getOpacity(tester, 'Open'), 1.0);
// Jump to start of fade out: 1/5 of 300.
await tester.pump(const Duration(milliseconds: 60)); // 300 * 1/5 = 60
final _TrackedData dataPreFadeOut = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataPreFadeOut,
biggerMaterial: dataTransitionStart,
tester: tester,
);
expect(_getOpacity(tester, 'Open'), moreOrLessEquals(1.0));
expect(_getOpacity(tester, 'Closed'), 1.0);
// Jump to the middle of the fade out.
await tester.pump(const Duration(milliseconds: 30)); // 300 * 3/10 = 90
final _TrackedData dataMidpoint = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidpoint,
biggerMaterial: dataPreFadeOut,
tester: tester,
);
expect(dataMidpoint.material.color, isNot(dataPreFadeOut.material.color));
expect(_getOpacity(tester, 'Open'), lessThan(1.0));
expect(_getOpacity(tester, 'Open'), greaterThan(0.0));
expect(_getOpacity(tester, 'Closed'), 1.0);
// Jump to the end of the fade out.
await tester.pump(const Duration(milliseconds: 30)); // 300 * 2/5 = 120
final _TrackedData dataPostFadeOut = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataPostFadeOut,
biggerMaterial: dataMidpoint,
tester: tester,
);
expect(_getOpacity(tester, 'Open'), moreOrLessEquals(0.0));
expect(_getOpacity(tester, 'Closed'), 1.0);
// Jump almost to the end of the transition.
await tester.pump(const Duration(milliseconds: 180));
final _TrackedData dataTransitionDone = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataTransitionDone,
biggerMaterial: dataPostFadeOut,
tester: tester,
);
expect(_getOpacity(tester, 'Closed'), 1.0);
expect(_getOpacity(tester, 'Open'), 0.0);
expect(dataTransitionDone.material.color, Colors.green);
expect(dataTransitionDone.material.elevation, 4.0);
expect(dataTransitionDone.radius, 8.0);
await tester.pump(const Duration(milliseconds: 1));
expect(find.text('Open'), findsNothing); // No longer in the tree.
expect(find.text('Closed'), findsOneWidget);
final StatefulElement finalMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
),
);
final _TrackedData dataClosed = _TrackedData(
finalMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == finalMaterialElement),
),
);
expect(dataClosed.material.color, dataTransitionDone.material.color);
expect(
dataClosed.material.elevation,
dataTransitionDone.material.elevation,
);
expect(dataClosed.radius, dataTransitionDone.radius);
expect(dataClosed.rect, dataTransitionDone.rect);
},
);
testWidgets('Container opens - Fade through', (WidgetTester tester) async {
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(8.0)),
);
bool closedBuilderCalled = false;
bool openBuilderCalled = false;
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedColor: Colors.green,
openColor: Colors.blue,
middleColor: Colors.red,
closedElevation: 4.0,
openElevation: 8.0,
closedShape: shape,
closedBuilder: (BuildContext context, VoidCallback _) {
closedBuilderCalled = true;
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback _) {
openBuilderCalled = true;
return const Text('Open');
},
transitionType: ContainerTransitionType.fadeThrough,
),
),
));
// Closed container has the expected properties.
final StatefulElement srcMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
),
);
final Material srcMaterial = srcMaterialElement.widget as Material;
expect(srcMaterial.color, Colors.green);
expect(srcMaterial.elevation, 4.0);
expect(srcMaterial.shape, shape);
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsNothing);
expect(closedBuilderCalled, isTrue);
expect(openBuilderCalled, isFalse);
final Rect srcMaterialRect = tester.getRect(
find.byElementPredicate((Element e) => e == srcMaterialElement),
);
// Open the container.
await tester.tap(find.text('Closed'));
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsNothing);
await tester.pump();
// On the first frame of the animation everything still looks like before.
final StatefulElement destMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
),
);
final Material closedMaterial = destMaterialElement.widget as Material;
expect(closedMaterial.color, Colors.green);
expect(closedMaterial.elevation, 4.0);
expect(closedMaterial.shape, shape);
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsOneWidget);
final Rect closedMaterialRect = tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
);
expect(closedMaterialRect, srcMaterialRect);
expect(_getOpacity(tester, 'Open'), 0.0);
expect(_getOpacity(tester, 'Closed'), 1.0);
final _TrackedData dataClosed = _TrackedData(
closedMaterial,
closedMaterialRect,
);
// The fade-out takes 1/5 of 300ms. Let's jump to the midpoint of that.
await tester.pump(const Duration(milliseconds: 30)); // 300ms * 1/10 = 30ms
final _TrackedData dataMidFadeOut = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataClosed,
biggerMaterial: dataMidFadeOut,
tester: tester,
);
expect(dataMidFadeOut.material.color, isNot(dataClosed.material.color));
expect(_getOpacity(tester, 'Open'), 0.0);
expect(_getOpacity(tester, 'Closed'), lessThan(1.0));
expect(_getOpacity(tester, 'Closed'), greaterThan(0.0));
// Let's jump to the crossover point at 1/5 of 300ms.
await tester.pump(const Duration(milliseconds: 30)); // 300ms * 1/5 = 60ms
final _TrackedData dataMidpoint = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidFadeOut,
biggerMaterial: dataMidpoint,
tester: tester,
);
expect(dataMidpoint.material.color, Colors.red);
expect(_getOpacity(tester, 'Open'), moreOrLessEquals(0.0));
expect(_getOpacity(tester, 'Closed'), moreOrLessEquals(0.0));
// Let's jump to the middle of the fade-in at 3/5 of 300ms
await tester.pump(const Duration(milliseconds: 120)); // 300ms * 3/5 = 180ms
final _TrackedData dataMidFadeIn = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidpoint,
biggerMaterial: dataMidFadeIn,
tester: tester,
);
expect(dataMidFadeIn.material.color, isNot(dataMidpoint.material.color));
expect(_getOpacity(tester, 'Open'), lessThan(1.0));
expect(_getOpacity(tester, 'Open'), greaterThan(0.0));
expect(_getOpacity(tester, 'Closed'), 0.0);
// Let's jump almost to the end of the transition.
await tester.pump(const Duration(milliseconds: 120));
final _TrackedData dataTransitionDone = _TrackedData(
destMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == destMaterialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidFadeIn,
biggerMaterial: dataTransitionDone,
tester: tester,
);
expect(
dataTransitionDone.material.color,
isNot(dataMidFadeIn.material.color),
);
expect(_getOpacity(tester, 'Open'), 1.0);
expect(_getOpacity(tester, 'Closed'), 0.0);
expect(dataTransitionDone.material.color, Colors.blue);
expect(dataTransitionDone.material.elevation, 8.0);
expect(dataTransitionDone.radius, 0.0);
expect(dataTransitionDone.rect, const Rect.fromLTRB(0, 0, 800, 600));
await tester.pump(const Duration(milliseconds: 1));
expect(find.text('Closed'), findsNothing); // No longer in the tree.
expect(find.text('Open'), findsOneWidget);
final StatefulElement finalMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
),
);
final _TrackedData dataOpen = _TrackedData(
finalMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == finalMaterialElement),
),
);
expect(dataOpen.material.color, dataTransitionDone.material.color);
expect(dataOpen.material.elevation, dataTransitionDone.material.elevation);
expect(dataOpen.radius, dataTransitionDone.radius);
expect(dataOpen.rect, dataTransitionDone.rect);
});
testWidgets('Container closes - Fade through', (WidgetTester tester) async {
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(8.0)),
);
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedColor: Colors.green,
openColor: Colors.blue,
middleColor: Colors.red,
closedElevation: 4.0,
openElevation: 8.0,
closedShape: shape,
closedBuilder: (BuildContext context, VoidCallback _) {
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback _) {
return const Text('Open');
},
transitionType: ContainerTransitionType.fadeThrough,
),
),
));
await tester.tap(find.text('Closed'));
await tester.pumpAndSettle();
// Open container has the expected properties.
expect(find.text('Closed'), findsNothing);
expect(find.text('Open'), findsOneWidget);
final StatefulElement initialMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
),
);
final _TrackedData dataOpen = _TrackedData(
initialMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == initialMaterialElement),
),
);
expect(dataOpen.material.color, Colors.blue);
expect(dataOpen.material.elevation, 8.0);
expect(dataOpen.radius, 0.0);
expect(dataOpen.rect, const Rect.fromLTRB(0, 0, 800, 600));
// Close the container.
final NavigatorState navigator = tester.state(find.byType(Navigator));
navigator.pop();
await tester.pump();
await tester.pump();
expect(find.text('Closed'), findsOneWidget);
expect(find.text('Open'), findsOneWidget);
final StatefulElement materialElement = tester.firstElement(
find.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
),
);
final _TrackedData dataTransitionStart = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
expect(dataTransitionStart.material.color, dataOpen.material.color);
expect(dataTransitionStart.material.elevation, dataOpen.material.elevation);
expect(dataTransitionStart.radius, dataOpen.radius);
expect(dataTransitionStart.rect, dataOpen.rect);
expect(_getOpacity(tester, 'Open'), 1.0);
expect(_getOpacity(tester, 'Closed'), 0.0);
// Jump to mid-point of fade-out: 1/10 of 300ms.
await tester.pump(const Duration(milliseconds: 30)); // 300ms * 1/10 = 30ms
final _TrackedData dataMidFadeOut = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidFadeOut,
biggerMaterial: dataTransitionStart,
tester: tester,
);
expect(
dataMidFadeOut.material.color,
isNot(dataTransitionStart.material.color),
);
expect(_getOpacity(tester, 'Closed'), 0.0);
expect(_getOpacity(tester, 'Open'), lessThan(1.0));
expect(_getOpacity(tester, 'Open'), greaterThan(0.0));
// Let's jump to the crossover point at 1/5 of 300ms.
await tester.pump(const Duration(milliseconds: 30)); // 300ms * 1/5 = 60ms
final _TrackedData dataMidpoint = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidpoint,
biggerMaterial: dataMidFadeOut,
tester: tester,
);
expect(dataMidpoint.material.color, Colors.red);
expect(_getOpacity(tester, 'Open'), moreOrLessEquals(0.0));
expect(_getOpacity(tester, 'Closed'), moreOrLessEquals(0.0));
// Let's jump to the middle of the fade-in at 3/5 of 300ms
await tester.pump(const Duration(milliseconds: 120)); // 300ms * 3/5 = 180ms
final _TrackedData dataMidFadeIn = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataMidFadeIn,
biggerMaterial: dataMidpoint,
tester: tester,
);
expect(dataMidFadeIn.material.color, isNot(dataMidpoint.material.color));
expect(_getOpacity(tester, 'Closed'), lessThan(1.0));
expect(_getOpacity(tester, 'Closed'), greaterThan(0.0));
expect(_getOpacity(tester, 'Open'), 0.0);
// Let's jump almost to the end of the transition.
await tester.pump(const Duration(milliseconds: 120));
final _TrackedData dataTransitionDone = _TrackedData(
materialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == materialElement),
),
);
_expectMaterialPropertiesHaveAdvanced(
smallerMaterial: dataTransitionDone,
biggerMaterial: dataMidFadeIn,
tester: tester,
);
expect(
dataTransitionDone.material.color,
isNot(dataMidFadeIn.material.color),
);
expect(_getOpacity(tester, 'Closed'), 1.0);
expect(_getOpacity(tester, 'Open'), 0.0);
expect(dataTransitionDone.material.color, Colors.green);
expect(dataTransitionDone.material.elevation, 4.0);
expect(dataTransitionDone.radius, 8.0);
await tester.pump(const Duration(milliseconds: 1));
expect(find.text('Open'), findsNothing); // No longer in the tree.
expect(find.text('Closed'), findsOneWidget);
final StatefulElement finalMaterialElement = tester.firstElement(
find.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
),
);
final _TrackedData dataClosed = _TrackedData(
finalMaterialElement.widget as Material,
tester.getRect(
find.byElementPredicate((Element e) => e == finalMaterialElement),
),
);
expect(dataClosed.material.color, dataTransitionDone.material.color);
expect(
dataClosed.material.elevation,
dataTransitionDone.material.elevation,
);
expect(dataClosed.radius, dataTransitionDone.radius);
expect(dataClosed.rect, dataTransitionDone.rect);
});
testWidgets('Cannot tap container if tappable=false',
(WidgetTester tester) async {
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
tappable: false,
closedBuilder: (BuildContext context, VoidCallback _) {
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback _) {
return const Text('Open');
},
),
),
));
expect(find.text('Open'), findsNothing);
expect(find.text('Closed'), findsOneWidget);
await tester.tap(find.text('Closed'));
await tester.pumpAndSettle();
expect(find.text('Open'), findsNothing);
expect(find.text('Closed'), findsOneWidget);
});
testWidgets('Action callbacks work', (WidgetTester tester) async {
late VoidCallback open, close;
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
tappable: false,
closedBuilder: (BuildContext context, VoidCallback action) {
open = action;
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback action) {
close = action;
return const Text('Open');
},
),
),
));
expect(find.text('Open'), findsNothing);
expect(find.text('Closed'), findsOneWidget);
expect(open, isNotNull);
open();
await tester.pumpAndSettle();
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsNothing);
expect(close, isNotNull);
close();
await tester.pumpAndSettle();
expect(find.text('Open'), findsNothing);
expect(find.text('Closed'), findsOneWidget);
});
testWidgets('open widget keeps state', (WidgetTester tester) async {
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedBuilder: (BuildContext context, VoidCallback action) {
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback action) {
return const DummyStatefulWidget();
},
),
),
));
await tester.tap(find.text('Closed'));
await tester.pump(const Duration(milliseconds: 200));
final State stateOpening = tester.state(find.byType(DummyStatefulWidget));
expect(stateOpening, isNotNull);
await tester.pumpAndSettle();
expect(find.text('Closed'), findsNothing);
final State stateOpen = tester.state(find.byType(DummyStatefulWidget));
expect(stateOpen, isNotNull);
expect(stateOpen, same(stateOpening));
final NavigatorState navigator = tester.state(find.byType(Navigator));
navigator.pop();
await tester.pump(const Duration(milliseconds: 200));
expect(find.text('Closed'), findsOneWidget);
final State stateClosing = tester.state(find.byType(DummyStatefulWidget));
expect(stateClosing, isNotNull);
expect(stateClosing, same(stateOpen));
});
testWidgets('closed widget keeps state', (WidgetTester tester) async {
late VoidCallback open;
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedBuilder: (BuildContext context, VoidCallback action) {
open = action;
return const DummyStatefulWidget();
},
openBuilder: (BuildContext context, VoidCallback action) {
return const Text('Open');
},
),
),
));
final State stateClosed = tester.state(find.byType(DummyStatefulWidget));
expect(stateClosed, isNotNull);
open();
await tester.pump(const Duration(milliseconds: 200));
expect(find.text('Open'), findsOneWidget);
final State stateOpening = tester.state(find.byType(DummyStatefulWidget));
expect(stateOpening, same(stateClosed));
await tester.pumpAndSettle();
expect(find.byType(DummyStatefulWidget), findsNothing);
expect(find.text('Open'), findsOneWidget);
final State stateOpen = tester.state(find.byType(
DummyStatefulWidget,
skipOffstage: false,
));
expect(stateOpen, same(stateOpening));
final NavigatorState navigator = tester.state(find.byType(Navigator));
navigator.pop();
await tester.pump(const Duration(milliseconds: 200));
expect(find.text('Open'), findsOneWidget);
final State stateClosing = tester.state(find.byType(DummyStatefulWidget));
expect(stateClosing, same(stateOpen));
await tester.pumpAndSettle();
expect(find.text('Open'), findsNothing);
final State stateClosedAgain =
tester.state(find.byType(DummyStatefulWidget));
expect(stateClosedAgain, same(stateClosing));
});
testWidgets('closes to the right location when src position has changed',
(WidgetTester tester) async {
final Widget openContainer = OpenContainer(
closedBuilder: (BuildContext context, VoidCallback action) {
return const SizedBox(
height: 100,
width: 100,
child: Text('Closed'),
);
},
openBuilder: (BuildContext context, VoidCallback action) {
return GestureDetector(
onTap: action,
child: const Text('Open'),
);
},
);
await tester.pumpWidget(_boilerplate(
child: Align(
alignment: Alignment.topLeft,
child: openContainer,
),
));
final Rect originTextRect = tester.getRect(find.text('Closed'));
expect(originTextRect.topLeft, Offset.zero);
await tester.tap(find.text('Closed'));
await tester.pumpAndSettle();
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsNothing);
await tester.pumpWidget(_boilerplate(
child: Align(
alignment: Alignment.bottomLeft,
child: openContainer,
),
));
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsNothing);
await tester.tap(find.text('Open'));
await tester.pump(); // Need one frame to measure things in the old route.
await tester.pump(const Duration(milliseconds: 300));
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsOneWidget);
final Rect transitionEndTextRect = tester.getRect(find.text('Open'));
expect(transitionEndTextRect.topLeft, const Offset(0.0, 600.0 - 100.0));
await tester.pump(const Duration(milliseconds: 1));
expect(find.text('Open'), findsNothing);
expect(find.text('Closed'), findsOneWidget);
final Rect finalTextRect = tester.getRect(find.text('Closed'));
expect(finalTextRect.topLeft, transitionEndTextRect.topLeft);
});
testWidgets('src changes size while open', (WidgetTester tester) async {
final Widget openContainer = _boilerplate(
child: Center(
child: OpenContainer(
closedBuilder: (BuildContext context, VoidCallback action) {
return const _SizableContainer(
initialSize: 100,
child: Text('Closed'),
);
},
openBuilder: (BuildContext context, VoidCallback action) {
return GestureDetector(
onTap: action,
child: const Text('Open'),
);
},
),
),
);
await tester.pumpWidget(openContainer);
final Size orignalClosedRect = tester.getSize(find
.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
)
.first);
expect(orignalClosedRect, const Size(100, 100));
await tester.tap(find.text('Closed'));
await tester.pumpAndSettle();
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsNothing);
final _SizableContainerState containerState = tester.state(find.byType(
_SizableContainer,
skipOffstage: false,
));
containerState.size = 200;
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsNothing);
await tester.tap(find.text('Open'));
await tester.pump(); // Need one frame to measure things in the old route.
await tester.pump(const Duration(milliseconds: 300));
expect(find.text('Open'), findsOneWidget);
expect(find.text('Closed'), findsOneWidget);
final Size transitionEndSize = tester.getSize(find
.ancestor(
of: find.text('Open'),
matching: find.byType(Material),
)
.first);
expect(transitionEndSize, const Size(200, 200));
await tester.pump(const Duration(milliseconds: 1));
expect(find.text('Open'), findsNothing);
expect(find.text('Closed'), findsOneWidget);
final Size finalSize = tester.getSize(find
.ancestor(
of: find.text('Closed'),
matching: find.byType(Material),
)
.first);
expect(finalSize, const Size(200, 200));
});
testWidgets('transition is interrupted and should not jump',
(WidgetTester tester) async {
await tester.pumpWidget(_boilerplate(
child: Center(
child: OpenContainer(
closedBuilder: (BuildContext context, VoidCallback action) {
return const Text('Closed');
},
openBuilder: (BuildContext context, VoidCallback action) {
return const Text('Open');
},
),
),
));
await tester.tap(find.text('Closed'));
await tester.pump();