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// 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:ui';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/gestures.dart' show DragStartBehavior;
import 'semantics_tester.dart';
void main() {
testWidgets('Drawer control test', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
late BuildContext savedContext;
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
savedContext = context;
return Scaffold(
key: scaffoldKey,
drawer: const Text('drawer'),
body: Container(),
);
},
),
),
);
await tester.pump(); // no effect
expect(find.text('drawer'), findsNothing);
scaffoldKey.currentState!.openDrawer();
await tester.pump(); // drawer should be starting to animate in
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsOneWidget);
Navigator.pop(savedContext);
await tester.pump(); // drawer should be starting to animate away
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsNothing);
});
testWidgets('Drawer tap test', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
key: scaffoldKey,
drawer: const Text('drawer'),
body: Container(),
),
),
);
await tester.pump(); // no effect
expect(find.text('drawer'), findsNothing);
scaffoldKey.currentState!.openDrawer();
await tester.pump(); // drawer should be starting to animate in
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsOneWidget);
await tester.tap(find.text('drawer'));
await tester.pump(); // nothing should have happened
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // ditto
expect(find.text('drawer'), findsOneWidget);
await tester.tapAt(const Offset(750.0, 100.0)); // on the mask
await tester.pump();
await tester.pump(const Duration(milliseconds: 10));
// drawer should be starting to animate away
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsNothing);
});
testWidgets('Drawer hover test', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
final List<String> logs = <String>[];
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
// Start out of hoverTarget
await gesture.addPointer(location: const Offset(100, 100));
addTearDown(gesture.removePointer);
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
key: scaffoldKey,
drawer: const Text('drawer'),
body: Align(
alignment: Alignment.topLeft,
child: MouseRegion(
onEnter: (_) { logs.add('enter'); },
onHover: (_) { logs.add('hover'); },
onExit: (_) { logs.add('exit'); },
child: const SizedBox(width: 10, height: 10),
),
),
),
),
);
expect(logs, isEmpty);
expect(find.text('drawer'), findsNothing);
// When drawer is closed, hover is interactable
await gesture.moveTo(const Offset(5, 5));
await tester.pump(); // no effect
expect(logs, <String>['enter', 'hover']);
logs.clear();
await gesture.moveTo(const Offset(20, 20));
await tester.pump(); // no effect
expect(logs, <String>['exit']);
logs.clear();
// When drawer is open, hover is uninteractable
scaffoldKey.currentState!.openDrawer();
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsOneWidget);
await gesture.moveTo(const Offset(5, 5));
await tester.pump(); // no effect
expect(logs, isEmpty);
logs.clear();
await gesture.moveTo(const Offset(20, 20));
await tester.pump(); // no effect
expect(logs, isEmpty);
logs.clear();
// Close drawer, hover is interactable again
await tester.tapAt(const Offset(750.0, 100.0)); // on the mask
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsNothing);
await gesture.moveTo(const Offset(5, 5));
await tester.pump(); // no effect
expect(logs, <String>['enter', 'hover']);
logs.clear();
await gesture.moveTo(const Offset(20, 20));
await tester.pump(); // no effect
expect(logs, <String>['exit']);
logs.clear();
});
testWidgets('Drawer drag cancel resume (LTR)', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
drawerDragStartBehavior: DragStartBehavior.down,
key: scaffoldKey,
drawer: Drawer(
child: ListView(
children: <Widget>[
const Text('drawer'),
Container(
height: 1000.0,
color: Colors.blue[500],
),
],
),
),
body: Container(),
),
),
);
expect(find.text('drawer'), findsNothing);
scaffoldKey.currentState!.openDrawer();
await tester.pump(); // drawer should be starting to animate in
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsOneWidget);
await tester.tapAt(const Offset(750.0, 100.0)); // on the mask
await tester.pump();
await tester.pump(const Duration(milliseconds: 10));
// drawer should be starting to animate away
final double textLeft = tester.getTopLeft(find.text('drawer')).dx;
expect(textLeft, lessThan(0.0));
final TestGesture gesture = await tester.startGesture(const Offset(100.0, 100.0));
// drawer should be stopped.
await tester.pump();
await tester.pump(const Duration(milliseconds: 10));
expect(tester.getTopLeft(find.text('drawer')).dx, equals(textLeft));
await gesture.moveBy(const Offset(50.0, 0.0));
// drawer should be returning to visible
await tester.pump();
await tester.pump(const Duration(seconds: 1));
expect(tester.getTopLeft(find.text('drawer')).dx, equals(0.0));
await gesture.up();
});
testWidgets('Drawer drag cancel resume (RTL)', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
await tester.pumpWidget(
MaterialApp(
home: Directionality(
textDirection: TextDirection.rtl,
child: Scaffold(
drawerDragStartBehavior: DragStartBehavior.down,
key: scaffoldKey,
drawer: Drawer(
child: ListView(
children: <Widget>[
const Text('drawer'),
Container(
height: 1000.0,
color: Colors.blue[500],
),
],
),
),
body: Container(),
),
),
),
);
expect(find.text('drawer'), findsNothing);
scaffoldKey.currentState!.openDrawer();
await tester.pump(); // drawer should be starting to animate in
expect(find.text('drawer'), findsOneWidget);
await tester.pump(const Duration(seconds: 1)); // animation done
expect(find.text('drawer'), findsOneWidget);
await tester.tapAt(const Offset(50.0, 100.0)); // on the mask
await tester.pump();
await tester.pump(const Duration(milliseconds: 10));
// drawer should be starting to animate away
final double textRight = tester.getTopRight(find.text('drawer')).dx;
expect(textRight, greaterThan(800.0));
final TestGesture gesture = await tester.startGesture(const Offset(700.0, 100.0));
// drawer should be stopped.
await tester.pump();
await tester.pump(const Duration(milliseconds: 10));
expect(tester.getTopRight(find.text('drawer')).dx, equals(textRight));
await gesture.moveBy(const Offset(-50.0, 0.0));
// drawer should be returning to visible
await tester.pump();
await tester.pump(const Duration(seconds: 1));
expect(tester.getTopRight(find.text('drawer')).dx, equals(800.0));
await gesture.up();
});
testWidgets('Drawer navigator back button', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
bool buttonPressed = false;
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
return Scaffold(
key: scaffoldKey,
drawer: Drawer(
child: ListView(
children: <Widget>[
const Text('drawer'),
TextButton(
child: const Text('close'),
onPressed: () => Navigator.pop(context),
),
],
),
),
body: Container(
child: TextButton(
child: const Text('button'),
onPressed: () { buttonPressed = true; },
),
),
);
},
),
),
);
// Open the drawer.
scaffoldKey.currentState!.openDrawer();
await tester.pump(); // drawer should be starting to animate in
expect(find.text('drawer'), findsOneWidget);
// Tap the close button to pop the drawer route.
await tester.pump(const Duration(milliseconds: 100));
await tester.tap(find.text('close'));
await tester.pump();
await tester.pump(const Duration(seconds: 1));
expect(find.text('drawer'), findsNothing);
// Confirm that a button in the scaffold body is still clickable.
await tester.tap(find.text('button'));
expect(buttonPressed, equals(true));
});
testWidgets('Dismissible ModalBarrier includes button in semantic tree', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
return Scaffold(
key: scaffoldKey,
drawer: const Drawer(),
);
},
),
),
);
// Open the drawer.
scaffoldKey.currentState!.openDrawer();
await tester.pump(const Duration(milliseconds: 100));
expect(semantics, includesNodeWith(actions: <SemanticsAction>[SemanticsAction.tap]));
expect(semantics, includesNodeWith(label: 'Dismiss'));
semantics.dispose();
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('Dismissible ModalBarrier is hidden on Android (back button is used to dismiss)', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
return Scaffold(
key: scaffoldKey,
drawer: const Drawer(),
body: Container(),
);
},
),
),
);
// Open the drawer.
scaffoldKey.currentState!.openDrawer();
await tester.pump(const Duration(milliseconds: 100));
expect(semantics, isNot(includesNodeWith(actions: <SemanticsAction>[SemanticsAction.tap])));
expect(semantics, isNot(includesNodeWith(label: 'Dismiss')));
semantics.dispose();
}, variant: TargetPlatformVariant.only(TargetPlatform.android));
testWidgets('Drawer contains route semantics flags', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
return Scaffold(
key: scaffoldKey,
drawer: const Drawer(),
body: Container(),
);
},
),
),
);
// Open the drawer.
scaffoldKey.currentState!.openDrawer();
await tester.pump();
await tester.pump(const Duration(milliseconds: 100));
expect(semantics, includesNodeWith(
label: 'Navigation menu',
flags: <SemanticsFlag>[
SemanticsFlag.scopesRoute,
SemanticsFlag.namesRoute,
],
));
semantics.dispose();
});
}