blob: 20e20517ce2b97dfd2713008965ea95fc0477daa [file] [log] [blame] [edit]
// 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:ui';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
tearDown(() {
LicenseRegistry.reset();
});
testWidgets('Material3 has sentence case labels', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(useMaterial3: true),
builder: (BuildContext context, Widget? child) {
return MediaQuery(
// Display has a vertical hinge down the middle
data: const MediaQueryData(
size: Size(800, 600),
displayFeatures: <DisplayFeature>[
DisplayFeature(
bounds: Rect.fromLTRB(390, 0, 410, 600),
type: DisplayFeatureType.hinge,
state: DisplayFeatureState.unknown,
),
],
),
child: child!,
);
},
home: Builder(
builder: (BuildContext context) => ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
useRootNavigator: false,
applicationName: 'A',
);
},
child: const Text('Show About Dialog'),
),
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
await tester.pumpAndSettle();
expect(find.text('Close'), findsOneWidget);
expect(find.text('View licenses'), findsOneWidget);
});
testWidgets('AboutListTile control test', (WidgetTester tester) async {
const FlutterLogo logo = FlutterLogo();
await tester.pumpWidget(
MaterialApp(
title: 'Pirate app',
home: Scaffold(
appBar: AppBar(
title: const Text('Home'),
),
drawer: Drawer(
child: ListView(
children: const <Widget>[
AboutListTile(
applicationVersion: '0.1.2',
applicationIcon: logo,
applicationLegalese: 'I am the very model of a modern major general.',
aboutBoxChildren: <Widget>[
Text('About box'),
],
),
],
),
),
),
),
);
expect(find.text('About Pirate app'), findsNothing);
expect(find.text('0.1.2'), findsNothing);
expect(find.byWidget(logo), findsNothing);
expect(
find.text('I am the very model of a modern major general.'),
findsNothing,
);
expect(find.text('About box'), findsNothing);
await tester.tap(find.byType(IconButton));
await tester.pumpAndSettle();
expect(find.text('About Pirate app'), findsOneWidget);
expect(find.text('0.1.2'), findsNothing);
expect(find.byWidget(logo), findsNothing);
expect(
find.text('I am the very model of a modern major general.'),
findsNothing,
);
expect(find.text('About box'), findsNothing);
await tester.tap(find.text('About Pirate app'));
await tester.pumpAndSettle();
expect(find.text('About Pirate app'), findsOneWidget);
expect(find.text('0.1.2'), findsOneWidget);
expect(find.byWidget(logo), findsOneWidget);
expect(
find.text('I am the very model of a modern major general.'),
findsOneWidget,
);
expect(find.text('About box'), findsOneWidget);
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['Pirate package '], 'Pirate license'),
]);
});
await tester.tap(find.text('VIEW LICENSES'));
await tester.pumpAndSettle();
expect(find.text('Pirate app'), findsOneWidget);
expect(find.text('0.1.2'), findsOneWidget);
expect(find.byWidget(logo), findsOneWidget);
expect(
find.text('I am the very model of a modern major general.'),
findsOneWidget,
);
await tester.tap(find.text('Pirate package '));
await tester.pumpAndSettle();
expect(find.text('Pirate license'), findsOneWidget);
});
testWidgets('About box logic defaults to executable name for app name', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
title: 'flutter_tester',
home: Material(child: AboutListTile()),
),
);
expect(find.text('About flutter_tester'), findsOneWidget);
});
testWidgets('LicensePage control test', (WidgetTester tester) async {
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['AAA'], 'BBB'),
]);
});
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(
<String>['Another package'],
'Another license',
),
]);
});
await tester.pumpWidget(
const MaterialApp(
home: Center(
child: LicensePage(),
),
),
);
expect(find.text('AAA'), findsNothing);
expect(find.text('BBB'), findsNothing);
expect(find.text('Another package'), findsNothing);
expect(find.text('Another license'), findsNothing);
await tester.pumpAndSettle();
// Check for packages.
expect(find.text('AAA'), findsOneWidget);
expect(find.text('Another package'), findsOneWidget);
// Check license is displayed after entering into license page for 'AAA'.
await tester.tap(find.text('AAA'));
await tester.pumpAndSettle();
expect(find.text('BBB'), findsOneWidget);
/// Go back to list of packages.
await tester.pageBack();
await tester.pumpAndSettle();
/// Check license is displayed after entering into license page for
/// 'Another package'.
await tester.tap(find.text('Another package'));
await tester.pumpAndSettle();
expect(find.text('Another license'), findsOneWidget);
});
testWidgets('LicensePage control test with all properties', (WidgetTester tester) async {
const FlutterLogo logo = FlutterLogo();
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['AAA'], 'BBB'),
]);
});
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(
<String>['Another package'],
'Another license',
),
]);
});
await tester.pumpWidget(
const MaterialApp(
title: 'Pirate app',
home: Center(
child: LicensePage(
applicationName: 'LicensePage test app',
applicationVersion: '0.1.2',
applicationIcon: logo,
applicationLegalese: 'I am the very model of a modern major general.',
),
),
),
);
expect(find.text('Pirate app'), findsNothing);
expect(find.text('LicensePage test app'), findsOneWidget);
expect(find.text('0.1.2'), findsOneWidget);
expect(find.byWidget(logo), findsOneWidget);
expect(
find.text('I am the very model of a modern major general.'),
findsOneWidget,
);
expect(find.text('AAA'), findsNothing);
expect(find.text('BBB'), findsNothing);
expect(find.text('Another package'), findsNothing);
expect(find.text('Another license'), findsNothing);
await tester.pumpAndSettle();
expect(find.text('Pirate app'), findsNothing);
expect(find.text('LicensePage test app'), findsOneWidget);
expect(find.text('0.1.2'), findsOneWidget);
expect(find.byWidget(logo), findsOneWidget);
expect(
find.text('I am the very model of a modern major general.'),
findsOneWidget,
);
// Check for packages.
expect(find.text('AAA'), findsOneWidget);
expect(find.text('Another package'), findsOneWidget);
// Check license is displayed after entering into license page for 'AAA'.
await tester.tap(find.text('AAA'));
await tester.pumpAndSettle();
expect(find.text('BBB'), findsOneWidget);
/// Go back to list of packages.
await tester.pageBack();
await tester.pumpAndSettle();
/// Check license is displayed after entering into license page for
/// 'Another package'.
await tester.tap(find.text('Another package'));
await tester.pumpAndSettle();
expect(find.text('Another license'), findsOneWidget);
});
testWidgets('_PackageLicensePage title style without AppBarTheme', (WidgetTester tester) async {
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['AAA'], 'BBB'),
]);
});
const TextStyle titleTextStyle = TextStyle(
fontSize: 20,
color: Colors.black,
inherit: false,
);
const TextStyle subtitleTextStyle = TextStyle(
fontSize: 15,
color: Colors.red,
inherit: false,
);
await tester.pumpWidget(
MaterialApp(
theme: ThemeData(
primaryTextTheme: const TextTheme(
titleLarge: titleTextStyle,
titleSmall: subtitleTextStyle,
),
),
home: const Center(
child: LicensePage(),
),
),
);
await tester.pumpAndSettle();
// Check for packages.
expect(find.text('AAA'), findsOneWidget);
// Check license is displayed after entering into license page for 'AAA'.
await tester.tap(find.text('AAA'));
await tester.pumpAndSettle();
// Check for titles style.
final Text title = tester.widget(find.text('AAA'));
expect(title.style, titleTextStyle);
final Text subtitle = tester.widget(find.text('1 license.'));
expect(subtitle.style, subtitleTextStyle);
});
testWidgets('_PackageLicensePage title style with AppBarTheme', (WidgetTester tester) async {
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['AAA'], 'BBB'),
]);
});
const TextStyle titleTextStyle = TextStyle(
fontSize: 20,
color: Colors.indigo,
);
const TextStyle subtitleTextStyle = TextStyle(
fontSize: 15,
color: Colors.indigo,
);
await tester.pumpWidget(
MaterialApp(
theme: ThemeData(
// Not used because appBarTheme is prioritized.
primaryTextTheme: const TextTheme(
titleLarge: TextStyle(
fontSize: 12,
color: Colors.grey,
),
titleSmall: TextStyle(
fontSize: 10,
color: Colors.grey,
),
),
appBarTheme: const AppBarTheme(
textTheme: TextTheme(
titleLarge: titleTextStyle,
titleSmall: subtitleTextStyle,
),
foregroundColor: Colors.indigo,
),
),
home: const Center(
child: LicensePage(),
),
),
);
await tester.pumpAndSettle();
// Check for packages.
expect(find.text('AAA'), findsOneWidget);
// Check license is displayed after entering into license page for 'AAA'.
await tester.tap(find.text('AAA'));
await tester.pumpAndSettle();
// Check for titles style.
final Text title = tester.widget(find.text('AAA'));
expect(title.style, titleTextStyle);
final Text subtitle = tester.widget(find.text('1 license.'));
expect(subtitle.style, subtitleTextStyle);
});
testWidgets('LicensePage respects the notch', (WidgetTester tester) async {
const double safeareaPadding = 27.0;
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['ABC'], 'DEF'),
]);
});
await tester.pumpWidget(
const MaterialApp(
home: MediaQuery(
data: MediaQueryData(
padding: EdgeInsets.all(safeareaPadding),
),
child: LicensePage(),
),
),
);
await tester.pumpAndSettle();
// The position of the top left of app bar title should indicate whether
// the safe area is sufficiently respected.
expect(
tester.getTopLeft(find.text('Licenses')),
const Offset(16.0 + safeareaPadding, 18.0 + safeareaPadding),
);
});
testWidgets('LicensePage returns early if unmounted', (WidgetTester tester) async {
final Completer<LicenseEntry> licenseCompleter = Completer<LicenseEntry>();
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromFuture(licenseCompleter.future);
});
await tester.pumpWidget(
const MaterialApp(
home: LicensePage(),
),
);
await tester.pump();
await tester.pumpWidget(
const MaterialApp(
home: Placeholder(),
),
);
await tester.pumpAndSettle();
final FakeLicenseEntry licenseEntry = FakeLicenseEntry();
licenseCompleter.complete(licenseEntry);
expect(licenseEntry.packagesCalled, false);
});
testWidgets('LicensePage returns late if unmounted', (WidgetTester tester) async {
final Completer<LicenseEntry> licenseCompleter = Completer<LicenseEntry>();
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromFuture(licenseCompleter.future);
});
await tester.pumpWidget(
const MaterialApp(
home: LicensePage(),
),
);
await tester.pump();
final FakeLicenseEntry licenseEntry = FakeLicenseEntry();
licenseCompleter.complete(licenseEntry);
await tester.pumpWidget(
const MaterialApp(
home: Placeholder(),
),
);
await tester.pumpAndSettle();
expect(licenseEntry.packagesCalled, true);
});
testWidgets('LicensePage logic defaults to executable name for app name', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
title: 'flutter_tester',
home: Material(child: LicensePage()),
),
);
expect(find.text('flutter_tester'), findsOneWidget);
});
testWidgets('AboutListTile dense property is applied', (WidgetTester tester) async {
await tester.pumpWidget(const MaterialApp(
home: Material(child: Center(child: AboutListTile())),
));
Rect tileRect = tester.getRect(find.byType(AboutListTile));
expect(tileRect.height, 56.0);
await tester.pumpWidget(const MaterialApp(
home: Material(child: Center(child: AboutListTile(dense: false))),
));
tileRect = tester.getRect(find.byType(AboutListTile));
expect(tileRect.height, 56.0);
await tester.pumpWidget(const MaterialApp(
home: Material(child: Center(child: AboutListTile(dense: true))),
));
tileRect = tester.getRect(find.byType(AboutListTile));
expect(tileRect.height, 48.0);
});
testWidgets('showLicensePage uses nested navigator by default', (WidgetTester tester) async {
final LicensePageObserver rootObserver = LicensePageObserver();
final LicensePageObserver nestedObserver = LicensePageObserver();
await tester.pumpWidget(MaterialApp(
navigatorObservers: <NavigatorObserver>[rootObserver],
initialRoute: '/',
onGenerateRoute: (_) {
return PageRouteBuilder<dynamic>(
pageBuilder: (_, __, ___) => Navigator(
observers: <NavigatorObserver>[nestedObserver],
onGenerateRoute: (RouteSettings settings) {
return PageRouteBuilder<dynamic>(
pageBuilder: (BuildContext context, _, __) {
return ElevatedButton(
onPressed: () {
showLicensePage(
context: context,
applicationName: 'A',
);
},
child: const Text('Show License Page'),
);
},
);
},
),
);
},
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
expect(rootObserver.licensePageCount, 0);
expect(nestedObserver.licensePageCount, 1);
});
testWidgets('showLicensePage uses root navigator if useRootNavigator is true', (WidgetTester tester) async {
final LicensePageObserver rootObserver = LicensePageObserver();
final LicensePageObserver nestedObserver = LicensePageObserver();
await tester.pumpWidget(MaterialApp(
navigatorObservers: <NavigatorObserver>[rootObserver],
initialRoute: '/',
onGenerateRoute: (_) {
return PageRouteBuilder<dynamic>(
pageBuilder: (_, __, ___) => Navigator(
observers: <NavigatorObserver>[nestedObserver],
onGenerateRoute: (RouteSettings settings) {
return PageRouteBuilder<dynamic>(
pageBuilder: (BuildContext context, _, __) {
return ElevatedButton(
onPressed: () {
showLicensePage(
context: context,
useRootNavigator: true,
applicationName: 'A',
);
},
child: const Text('Show License Page'),
);
},
);
},
),
);
},
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
expect(rootObserver.licensePageCount, 1);
expect(nestedObserver.licensePageCount, 0);
});
testWidgets('showAboutDialog uses root navigator by default', (WidgetTester tester) async {
final AboutDialogObserver rootObserver = AboutDialogObserver();
final AboutDialogObserver nestedObserver = AboutDialogObserver();
await tester.pumpWidget(MaterialApp(
navigatorObservers: <NavigatorObserver>[rootObserver],
home: Navigator(
observers: <NavigatorObserver>[nestedObserver],
onGenerateRoute: (RouteSettings settings) {
return MaterialPageRoute<dynamic>(
builder: (BuildContext context) {
return ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
applicationName: 'A',
);
},
child: const Text('Show About Dialog'),
);
},
);
},
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
expect(rootObserver.dialogCount, 1);
expect(nestedObserver.dialogCount, 0);
});
testWidgets('showAboutDialog uses nested navigator if useRootNavigator is false', (WidgetTester tester) async {
final AboutDialogObserver rootObserver = AboutDialogObserver();
final AboutDialogObserver nestedObserver = AboutDialogObserver();
await tester.pumpWidget(MaterialApp(
navigatorObservers: <NavigatorObserver>[rootObserver],
home: Navigator(
observers: <NavigatorObserver>[nestedObserver],
onGenerateRoute: (RouteSettings settings) {
return MaterialPageRoute<dynamic>(
builder: (BuildContext context) {
return ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
useRootNavigator: false,
applicationName: 'A',
);
},
child: const Text('Show About Dialog'),
);
},
);
},
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
expect(rootObserver.dialogCount, 0);
expect(nestedObserver.dialogCount, 1);
});
group('showAboutDialog avoids overlapping display features', () {
testWidgets('default positioning', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
builder: (BuildContext context, Widget? child) {
return MediaQuery(
// Display has a vertical hinge down the middle
data: const MediaQueryData(
size: Size(800, 600),
displayFeatures: <DisplayFeature>[
DisplayFeature(
bounds: Rect.fromLTRB(390, 0, 410, 600),
type: DisplayFeatureType.hinge,
state: DisplayFeatureState.unknown,
),
],
),
child: child!,
);
},
home: Builder(
builder: (BuildContext context) => ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
useRootNavigator: false,
applicationName: 'A',
);
},
child: const Text('Show About Dialog'),
),
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
await tester.pumpAndSettle();
// By default it should place the dialog on the left screen
expect(tester.getTopLeft(find.byType(AboutDialog)), Offset.zero);
expect(tester.getBottomRight(find.byType(AboutDialog)), const Offset(390.0, 600.0));
});
testWidgets('positioning using anchorPoint', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
builder: (BuildContext context, Widget? child) {
return MediaQuery(
// Display has a vertical hinge down the middle
data: const MediaQueryData(
size: Size(800, 600),
displayFeatures: <DisplayFeature>[
DisplayFeature(
bounds: Rect.fromLTRB(390, 0, 410, 600),
type: DisplayFeatureType.hinge,
state: DisplayFeatureState.unknown,
),
],
),
child: child!,
);
},
home: Builder(
builder: (BuildContext context) => ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
useRootNavigator: false,
applicationName: 'A',
anchorPoint: const Offset(1000, 0),
);
},
child: const Text('Show About Dialog'),
),
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
await tester.pumpAndSettle();
// The anchorPoint hits the right side of the display
expect(tester.getTopLeft(find.byType(AboutDialog)), const Offset(410.0, 0.0));
expect(tester.getBottomRight(find.byType(AboutDialog)), const Offset(800.0, 600.0));
});
testWidgets('positioning using Directionality', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
builder: (BuildContext context, Widget? child) {
return MediaQuery(
// Display has a vertical hinge down the middle
data: const MediaQueryData(
size: Size(800, 600),
displayFeatures: <DisplayFeature>[
DisplayFeature(
bounds: Rect.fromLTRB(390, 0, 410, 600),
type: DisplayFeatureType.hinge,
state: DisplayFeatureState.unknown,
),
],
),
child: Directionality(
textDirection: TextDirection.rtl,
child: child!,
),
);
},
home: Builder(
builder: (BuildContext context) => ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
useRootNavigator: false,
applicationName: 'A',
);
},
child: const Text('Show About Dialog'),
),
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
await tester.pumpAndSettle();
// Since this is rtl, the first screen is the on the right
expect(tester.getTopLeft(find.byType(AboutDialog)), const Offset(410.0, 0.0));
expect(tester.getBottomRight(find.byType(AboutDialog)), const Offset(800.0, 600.0));
});
});
testWidgets("AboutListTile's child should not be offset when the icon is not specified.", (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: AboutListTile(
child: Text('About'),
),
),
),
);
expect(
find.descendant(
of: find.byType(AboutListTile),
matching: find.byType(Icon),
),
findsNothing,
);
});
testWidgets("AboutDialog's contents are scrollable", (WidgetTester tester) async {
final Key contentKey = UniqueKey();
await tester.pumpWidget(MaterialApp(
home: Navigator(
onGenerateRoute: (RouteSettings settings) {
return MaterialPageRoute<dynamic>(
builder: (BuildContext context) {
return ElevatedButton(
onPressed: () {
showAboutDialog(
context: context,
useRootNavigator: false,
applicationName: 'A',
children: <Widget>[
Container(
key: contentKey,
color: Colors.orange,
height: 500,
),
],
);
},
child: const Text('Show About Dialog'),
);
},
);
},
),
));
await tester.tap(find.text('Show About Dialog'));
await tester.pumpAndSettle();
// Try dragging by the [AboutDialog]'s title.
RenderBox box = tester.renderObject(find.text('A'));
Offset originalOffset = box.localToGlobal(Offset.zero);
await tester.drag(find.byKey(contentKey), const Offset(0.0, -20.0));
expect(box.localToGlobal(Offset.zero), equals(originalOffset.translate(0.0, -20.0)));
// Try dragging by the additional children in contents.
box = tester.renderObject(find.byKey(contentKey));
originalOffset = box.localToGlobal(Offset.zero);
await tester.drag(find.byKey(contentKey), const Offset(0.0, -20.0));
expect(box.localToGlobal(Offset.zero), equals(originalOffset.translate(0.0, -20.0)));
});
testWidgets("LicensePage's color must be same whether loading or done", (WidgetTester tester) async {
const Color scaffoldColor = Color(0xFF123456);
const Color cardColor = Color(0xFF654321);
await tester.pumpWidget(MaterialApp(
theme: ThemeData.light().copyWith(
scaffoldBackgroundColor: scaffoldColor,
cardColor: cardColor,
),
home: Scaffold(
body: Center(
child: Builder(
builder: (BuildContext context) => GestureDetector(
child: const Text('Show licenses'),
onTap: () {
showLicensePage(
context: context,
applicationName: 'MyApp',
applicationVersion: '1.0.0',
);
},
),
),
),
),
));
await tester.tap(find.text('Show licenses'));
await tester.pump();
await tester.pump();
// Check color when loading.
final List<Material> materialLoadings = tester.widgetList<Material>(find.byType(Material)).toList();
expect(materialLoadings.length, equals(4));
expect(materialLoadings[1].color, scaffoldColor);
expect(materialLoadings[2].color, cardColor);
await tester.pumpAndSettle();
// Check color when done.
expect(find.byKey(const ValueKey<ConnectionState>(ConnectionState.done)), findsOneWidget);
final List<Material> materialDones = tester.widgetList<Material>(find.byType(Material)).toList();
expect(materialDones.length, equals(3));
expect(materialDones[0].color, scaffoldColor);
expect(materialDones[1].color, cardColor);
});
testWidgets('Conflicting scrollbars are not applied by ScrollBehavior to _PackageLicensePage', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/83819
LicenseRegistry.addLicense(() {
return Stream<LicenseEntry>.fromIterable(<LicenseEntry>[
const LicenseEntryWithLineBreaks(<String>['AAA'], 'BBB'),
]);
});
await tester.pumpWidget(
const MaterialApp(
home: Center(
child: LicensePage(),
),
),
);
await tester.pumpAndSettle();
// Check for packages.
expect(find.text('AAA'), findsOneWidget);
// Check license is displayed after entering into license page for 'AAA'.
await tester.tap(find.text('AAA'));
await tester.pumpAndSettle();
// The inherited ScrollBehavior should not apply Scrollbars since they are
// already built in to the widget.
switch (debugDefaultTargetPlatformOverride) {
case TargetPlatform.android:
case TargetPlatform.fuchsia:
case TargetPlatform.linux:
case TargetPlatform.macOS:
case TargetPlatform.windows:
expect(find.byType(CupertinoScrollbar), findsNothing);
break;
case TargetPlatform.iOS:
expect(find.byType(CupertinoScrollbar), findsOneWidget);
break;
case null:
break;
}
expect(find.byType(Scrollbar), findsOneWidget);
expect(find.byType(RawScrollbar), findsNothing);
}, variant: TargetPlatformVariant.all());
testWidgets('LicensePage padding', (WidgetTester tester) async {
const FlutterLogo logo = FlutterLogo();
await tester.pumpWidget(
const MaterialApp(
title: 'Pirate app',
home: Center(
child: LicensePage(
applicationName: 'LicensePage test app',
applicationIcon: logo,
applicationVersion: '0.1.2',
applicationLegalese: 'I am the very model of a modern major general.',
),
),
),
);
final Finder appName = find.text('LicensePage test app');
final Finder appIcon = find.byType(FlutterLogo);
final Finder appVersion = find.text('0.1.2');
final Finder appLegalese = find.text('I am the very model of a modern major general.');
final Finder appPowered = find.text('Powered by Flutter');
expect(appName, findsOneWidget);
expect(appIcon, findsOneWidget);
expect(appVersion, findsOneWidget);
expect(appLegalese, findsOneWidget);
expect(appPowered, findsOneWidget);
// Bottom padding is applied to the app version and app legalese text.
final double appNameBottomPadding = tester.getTopLeft(appIcon).dy - tester.getBottomLeft(appName).dy;
expect(appNameBottomPadding, 0.0);
final double appIconBottomPadding = tester.getTopLeft(appVersion).dy - tester.getBottomLeft(appIcon).dy;
expect(appIconBottomPadding, 0.0);
final double appVersionBottomPadding = tester.getTopLeft(appLegalese).dy - tester.getBottomLeft(appVersion).dy;
expect(appVersionBottomPadding, 18.0);
final double appLegaleseBottomPadding = tester.getTopLeft(appPowered).dy - tester.getBottomLeft(appLegalese).dy;
expect(appLegaleseBottomPadding, 18.0);
});
testWidgets('LicensePage has no extra padding between app icon and app powered text', (WidgetTester tester) async {
// This is a regression test for https://github.com/flutter/flutter/issues/99559
const FlutterLogo logo = FlutterLogo();
await tester.pumpWidget(
const MaterialApp(
title: 'Pirate app',
home: Center(
child: LicensePage(
applicationIcon: logo,
),
),
),
);
final Finder appName = find.text('LicensePage test app');
final Finder appIcon = find.byType(FlutterLogo);
final Finder appVersion = find.text('0.1.2');
final Finder appLegalese = find.text('I am the very model of a modern major general.');
final Finder appPowered = find.text('Powered by Flutter');
expect(appName, findsNothing);
expect(appIcon, findsOneWidget);
expect(appVersion, findsNothing);
expect(appLegalese, findsNothing);
expect(appPowered, findsOneWidget);
// Padding between app icon and app powered text.
final double appIconBottomPadding = tester.getTopLeft(appPowered).dy - tester.getBottomLeft(appIcon).dy;
expect(appIconBottomPadding, 18.0);
});
testWidgets('Error handling test', (WidgetTester tester) async {
LicenseRegistry.addLicense(() => Stream<LicenseEntry>.error(Exception('Injected failure')));
await tester.pumpWidget(const MaterialApp(home: Material(child: AboutListTile())));
await tester.tap(find.byType(ListTile));
await tester.pump();
await tester.pump(const Duration(seconds: 2));
await tester.tap(find.text('VIEW LICENSES'));
await tester.pump();
await tester.pump(const Duration(seconds: 2));
final Finder finder = find.byWidgetPredicate((Widget widget) => widget.runtimeType.toString() == '_PackagesView');
// force the stream to complete (has to be done in a runAsync block since it's areal async process)
await tester.runAsync(() => (tester.firstState(finder) as dynamic).licenses as Future<dynamic>); // ignore: avoid_dynamic_calls
expect(tester.takeException().toString(), 'Exception: Injected failure');
await tester.pumpAndSettle();
expect(tester.takeException().toString(), 'Exception: Injected failure');
expect(find.text('Exception: Injected failure'), findsOneWidget);
});
}
class FakeLicenseEntry extends LicenseEntry {
FakeLicenseEntry();
bool get packagesCalled => _packagesCalled;
bool _packagesCalled = false;
@override
Iterable<LicenseParagraph> paragraphs = <LicenseParagraph>[];
@override
Iterable<String> get packages {
_packagesCalled = true;
return <String>[];
}
}
class LicensePageObserver extends NavigatorObserver {
int licensePageCount = 0;
@override
void didPush(Route<dynamic> route, Route<dynamic>? previousRoute) {
if (route is MaterialPageRoute<dynamic>) {
licensePageCount++;
}
super.didPush(route, previousRoute);
}
}
class AboutDialogObserver extends NavigatorObserver {
int dialogCount = 0;
@override
void didPush(Route<dynamic> route, Route<dynamic>? previousRoute) {
if (route is DialogRoute) {
dialogCount++;
}
super.didPush(route, previousRoute);
}
}