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// 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/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
import '../widgets/semantics_tester.dart';
void main() {
testWidgets('materialTapTargetSize.padded expands hit test area', (WidgetTester tester) async {
int pressed = 0;
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: RawMaterialButton(
onPressed: () {
pressed++;
},
constraints: BoxConstraints.tight(const Size(10.0, 10.0)),
materialTapTargetSize: MaterialTapTargetSize.padded,
child: const Text('+'),
),
),
);
await tester.tapAt(const Offset(40.0, 400.0));
expect(pressed, 1);
});
testWidgets('materialTapTargetSize.padded expands semantics area', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Center(
child: RawMaterialButton(
onPressed: () { },
constraints: BoxConstraints.tight(const Size(10.0, 10.0)),
materialTapTargetSize: MaterialTapTargetSize.padded,
child: const Text('+'),
),
),
),
);
expect(semantics, hasSemantics(
TestSemantics.root(
children: <TestSemantics>[
TestSemantics(
id: 1,
flags: <SemanticsFlag>[
SemanticsFlag.hasEnabledState,
SemanticsFlag.isButton,
SemanticsFlag.isEnabled,
SemanticsFlag.isFocusable,
],
actions: <SemanticsAction>[
SemanticsAction.tap,
],
label: '+',
textDirection: TextDirection.ltr,
rect: const Rect.fromLTRB(0.0, 0.0, 48.0, 48.0),
children: <TestSemantics>[],
),
],
),
ignoreTransform: true,
));
semantics.dispose();
});
testWidgets('Ink splash from center tap originates in correct location', (WidgetTester tester) async {
const Color highlightColor = Color(0xAAFF0000);
const Color splashColor = Color(0xAA0000FF);
const Color fillColor = Color(0xFFEF5350);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Center(
child: RawMaterialButton(
materialTapTargetSize: MaterialTapTargetSize.padded,
onPressed: () { },
fillColor: fillColor,
highlightColor: highlightColor,
splashColor: splashColor,
child: const SizedBox(),
),
),
),
);
final Offset center = tester.getCenter(find.byType(InkWell));
final TestGesture gesture = await tester.startGesture(center);
await tester.pump(); // start gesture
await tester.pump(const Duration(milliseconds: 200)); // wait for splash to be well under way
final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic;
// centered in material button.
expect(box, paints..circle(x: 44.0, y: 18.0, color: splashColor));
await gesture.up();
});
testWidgets('Ink splash from tap above material originates in correct location', (WidgetTester tester) async {
const Color highlightColor = Color(0xAAFF0000);
const Color splashColor = Color(0xAA0000FF);
const Color fillColor = Color(0xFFEF5350);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Center(
child: RawMaterialButton(
materialTapTargetSize: MaterialTapTargetSize.padded,
onPressed: () { },
fillColor: fillColor,
highlightColor: highlightColor,
splashColor: splashColor,
child: const SizedBox(),
),
),
),
);
final Offset top = tester.getRect(find.byType(InkWell)).topCenter;
final TestGesture gesture = await tester.startGesture(top);
await tester.pump(); // start gesture
await tester.pump(const Duration(milliseconds: 200)); // wait for splash to be well under way
final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic;
// paints above above material
expect(box, paints..circle(x: 44.0, y: 0.0, color: splashColor));
await gesture.up();
});
testWidgets('off-center child is hit testable', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
RawMaterialButton(
materialTapTargetSize: MaterialTapTargetSize.padded,
onPressed: () { },
child: Container(
width: 400.0,
height: 400.0,
child: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: const <Widget>[
SizedBox(
height: 50.0,
width: 400.0,
child: Text('Material'),
),
],
),
),
),
]),
),
);
expect(find.text('Material').hitTestable(), findsOneWidget);
});
testWidgets('smaller child is hit testable', (WidgetTester tester) async {
const Key key = Key('test');
await tester.pumpWidget(
MaterialApp(
home: Column(
children: <Widget>[
RawMaterialButton(
materialTapTargetSize: MaterialTapTargetSize.padded,
onPressed: () { },
child: SizedBox(
key: key,
width: 8.0,
height: 8.0,
child: Container(
color: const Color(0xFFAABBCC),
),
),
),
]),
),
);
expect(find.byKey(key).hitTestable(), findsOneWidget);
});
testWidgets('$RawMaterialButton can be expanded by parent constraints', (WidgetTester tester) async {
const Key key = Key('test');
await tester.pumpWidget(
MaterialApp(
home: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
RawMaterialButton(
key: key,
onPressed: () { },
child: const SizedBox(),
),
],
),
),
);
expect(tester.getSize(find.byKey(key)), const Size(800.0, 48.0));
});
testWidgets('$RawMaterialButton handles focus', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode(debugLabel: 'Button Focus');
const Key key = Key('test');
const Color focusColor = Color(0xff00ff00);
WidgetsBinding.instance.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
await tester.pumpWidget(
MaterialApp(
home: Center(
child: RawMaterialButton(
key: key,
focusNode: focusNode,
focusColor: focusColor,
onPressed: () {},
child: Container(width: 100, height: 100, color: const Color(0xffff0000)),
),
),
),
);
final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic;
expect(box, isNot(paints..rect(color: focusColor)));
focusNode.requestFocus();
await tester.pumpAndSettle(const Duration(seconds: 1));
expect(box, paints..rect(color: focusColor));
});
testWidgets('$RawMaterialButton loses focus when disabled.', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode(debugLabel: 'RawMaterialButton');
await tester.pumpWidget(
MaterialApp(
home: Center(
child: RawMaterialButton(
autofocus: true,
focusNode: focusNode,
onPressed: () {},
child: Container(width: 100, height: 100, color: const Color(0xffff0000)),
),
),
),
);
await tester.pump();
expect(focusNode.hasPrimaryFocus, isTrue);
await tester.pumpWidget(
MaterialApp(
home: Center(
child: RawMaterialButton(
focusNode: focusNode,
onPressed: null,
child: Container(width: 100, height: 100, color: const Color(0xffff0000)),
),
),
),
);
await tester.pump();
expect(focusNode.hasPrimaryFocus, isFalse);
});
testWidgets("Disabled $RawMaterialButton can't be traversed to when disabled.", (WidgetTester tester) async {
final FocusNode focusNode1 = FocusNode(debugLabel: '$RawMaterialButton 1');
final FocusNode focusNode2 = FocusNode(debugLabel: '$RawMaterialButton 2');
await tester.pumpWidget(
MaterialApp(
home: Center(
child: Column(
children: <Widget>[
RawMaterialButton(
autofocus: true,
focusNode: focusNode1,
onPressed: () {},
child: Container(width: 100, height: 100, color: const Color(0xffff0000)),
),
RawMaterialButton(
autofocus: true,
focusNode: focusNode2,
onPressed: null,
child: Container(width: 100, height: 100, color: const Color(0xffff0000)),
),
],
),
),
),
);
await tester.pump();
expect(focusNode1.hasPrimaryFocus, isTrue);
expect(focusNode2.hasPrimaryFocus, isFalse);
expect(focusNode1.nextFocus(), isTrue);
await tester.pump();
expect(focusNode1.hasPrimaryFocus, isTrue);
expect(focusNode2.hasPrimaryFocus, isFalse);
});
testWidgets('$RawMaterialButton handles hover', (WidgetTester tester) async {
const Key key = Key('test');
const Color hoverColor = Color(0xff00ff00);
WidgetsBinding.instance.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
await tester.pumpWidget(
MaterialApp(
home: Center(
child: RawMaterialButton(
key: key,
hoverColor: hoverColor,
hoverElevation: 10.5,
onPressed: () {},
child: Container(width: 100, height: 100, color: const Color(0xffff0000)),
),
),
),
);
final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic;
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
await gesture.addPointer();
addTearDown(gesture.removePointer);
expect(box, isNot(paints..rect(color: hoverColor)));
await gesture.moveTo(tester.getCenter(find.byType(RawMaterialButton)));
await tester.pumpAndSettle(const Duration(seconds: 1));
expect(box, paints..rect(color: hoverColor));
});
}