845 lines
26 KiB
Dart
845 lines
26 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/scheduler.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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import '../widgets/semantics_tester.dart';
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const CupertinoDynamicColor _kSystemFill = CupertinoDynamicColor(
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color: Color.fromARGB(51, 120, 120, 128),
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darkColor: Color.fromARGB(91, 120, 120, 128),
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highContrastColor: Color.fromARGB(71, 120, 120, 128),
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darkHighContrastColor: Color.fromARGB(112, 120, 120, 128),
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elevatedColor: Color.fromARGB(51, 120, 120, 128),
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darkElevatedColor: Color.fromARGB(91, 120, 120, 128),
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highContrastElevatedColor: Color.fromARGB(71, 120, 120, 128),
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darkHighContrastElevatedColor: Color.fromARGB(112, 120, 120, 128),
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);
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void main() {
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Future<void> dragSlider(WidgetTester tester, Key sliderKey) {
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final Offset topLeft = tester.getTopLeft(find.byKey(sliderKey));
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const double unit = CupertinoThumbPainter.radius;
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const double delta = 3.0 * unit;
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return tester.dragFrom(topLeft + const Offset(unit, unit), const Offset(delta, 0.0));
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}
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testWidgets('Slider does not move when tapped (LTR)', (WidgetTester tester) async {
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.ltr,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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),
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),
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);
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},
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),
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),
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),
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);
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expect(value, equals(0.0));
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await tester.tap(find.byKey(sliderKey), warnIfMissed: false);
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expect(value, equals(0.0));
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await tester.pump(); // No animation should start.
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// Check the transientCallbackCount before tearing down the widget to ensure
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// that no animation is running.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgets('Slider does not move when tapped (RTL)', (WidgetTester tester) async {
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.rtl,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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),
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),
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);
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},
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),
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),
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),
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);
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expect(value, equals(0.0));
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await tester.tap(find.byKey(sliderKey), warnIfMissed: false);
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expect(value, equals(0.0));
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await tester.pump(); // No animation should start.
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// Check the transientCallbackCount before tearing down the widget to ensure
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// that no animation is running.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgets('Slider calls onChangeStart once when interaction begins', (
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WidgetTester tester,
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) async {
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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var numberOfTimesOnChangeStartIsCalled = 0;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.ltr,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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onChangeStart: (double value) {
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numberOfTimesOnChangeStartIsCalled++;
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},
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),
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),
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);
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},
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),
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),
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),
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);
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await dragSlider(tester, sliderKey);
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expect(numberOfTimesOnChangeStartIsCalled, equals(1));
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await tester.pump(); // No animation should start.
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// Check the transientCallbackCount before tearing down the widget to ensure
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// that no animation is running.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgets('Slider calls onChangeEnd once after interaction has ended', (
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WidgetTester tester,
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) async {
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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var numberOfTimesOnChangeEndIsCalled = 0;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.ltr,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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onChangeEnd: (double value) {
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numberOfTimesOnChangeEndIsCalled++;
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},
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),
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),
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);
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},
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),
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),
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),
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);
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await dragSlider(tester, sliderKey);
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expect(numberOfTimesOnChangeEndIsCalled, equals(1));
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await tester.pump(); // No animation should start.
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// Check the transientCallbackCount before tearing down the widget to ensure
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// that no animation is running.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgets('Slider moves when dragged (LTR)', (WidgetTester tester) async {
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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late double startValue;
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late double endValue;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.ltr,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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onChangeStart: (double value) {
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startValue = value;
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},
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onChangeEnd: (double value) {
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endValue = value;
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},
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),
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),
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);
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},
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),
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),
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),
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);
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expect(value, equals(0.0));
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final Offset topLeft = tester.getTopLeft(find.byKey(sliderKey));
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const double unit = CupertinoThumbPainter.radius;
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const double delta = 3.0 * unit;
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await tester.dragFrom(topLeft + const Offset(unit, unit), const Offset(delta, 0.0));
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final Size size = tester.getSize(find.byKey(sliderKey));
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final double finalValue = delta / (size.width - 2.0 * (8.0 + CupertinoThumbPainter.radius));
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expect(startValue, equals(0.0));
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expect(value, equals(finalValue));
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expect(endValue, equals(finalValue));
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await tester.pump(); // No animation should start.
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// Check the transientCallbackCount before tearing down the widget to ensure
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// that no animation is running.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgets(
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'Slider emits haptic feedback when hitting edge',
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(WidgetTester tester) async {
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final hapticLog = <MethodCall>[];
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tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (
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MethodCall methodCall,
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) async {
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hapticLog.add(methodCall);
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return null;
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});
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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),
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),
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);
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},
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),
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),
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);
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// No haptic feedback should be emitted when the slider is created.
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expect(hapticLog, hasLength(0));
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const double unit = CupertinoThumbPainter.radius;
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final Offset topLeft = tester.getTopLeft(find.byKey(sliderKey));
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Offset thumbCenter = topLeft + const Offset(unit, unit);
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const delta = Offset(50.0, 0.0);
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await tester.dragFrom(thumbCenter, delta);
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await tester.pump();
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thumbCenter += delta;
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// No haptic feedback should be emitted when the slider is moved.
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expect(hapticLog, hasLength(0));
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// Move the slider to the end quickly.
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await tester.timedDragFrom(
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thumbCenter,
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const Offset(1000.0, 0.0),
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const Duration(milliseconds: 100),
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);
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// Medium haptic feedback should be emitted when the slider is quickly moved to the end.
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expect(hapticLog, hasLength(1));
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expect(
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hapticLog.last,
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isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.mediumImpact'),
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);
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// Move the slider to the start slowly.
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thumbCenter = tester.getTopRight(find.byKey(sliderKey)) - const Offset(unit, -unit);
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await tester.timedDragFrom(
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thumbCenter,
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-Offset(thumbCenter.dx - topLeft.dx - unit * 2, 0),
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const Duration(milliseconds: 1100),
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);
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expect(value, equals(0.0));
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// Selection click should be emitted when the slider is slowly moved to the start.
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expect(hapticLog, hasLength(2));
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expect(
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hapticLog.last,
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isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.selectionClick'),
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);
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},
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variant: TargetPlatformVariant.only(TargetPlatform.iOS),
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);
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testWidgets(
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'Slider does not emit haptic feedback on non-iOS platforms',
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(WidgetTester tester) async {
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final hapticLog = <MethodCall>[];
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tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (
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MethodCall methodCall,
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) async {
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hapticLog.add(methodCall);
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return null;
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});
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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),
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),
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);
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},
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),
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),
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);
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const double unit = CupertinoThumbPainter.radius;
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final Offset topLeft = tester.getTopLeft(find.byKey(sliderKey));
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final Offset thumbCenter = topLeft + const Offset(unit, unit);
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// Move the slider to the end.
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await tester.dragFrom(thumbCenter, const Offset(1000.0, 0.0));
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expect(value, equals(1.0));
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expect(hapticLog, hasLength(0));
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},
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variant: TargetPlatformVariant.all(excluding: <TargetPlatform>{TargetPlatform.iOS}),
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);
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testWidgets('Slider moves when dragged (RTL)', (WidgetTester tester) async {
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final Key sliderKey = UniqueKey();
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var value = 0.0;
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late double startValue;
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late double endValue;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.rtl,
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Material(
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child: Center(
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child: CupertinoSlider(
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key: sliderKey,
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value: value,
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onChanged: (double newValue) {
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setState(() {
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value = newValue;
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});
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},
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onChangeStart: (double value) {
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setState(() {
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startValue = value;
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});
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},
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onChangeEnd: (double value) {
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setState(() {
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endValue = value;
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});
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},
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),
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),
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);
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},
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),
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),
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),
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);
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expect(value, equals(0.0));
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final Offset bottomRight = tester.getBottomRight(find.byKey(sliderKey));
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const double unit = CupertinoThumbPainter.radius;
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const double delta = 3.0 * unit;
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await tester.dragFrom(bottomRight - const Offset(unit, unit), const Offset(-delta, 0.0));
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final Size size = tester.getSize(find.byKey(sliderKey));
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final double finalValue = delta / (size.width - 2.0 * (8.0 + CupertinoThumbPainter.radius));
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expect(startValue, equals(0.0));
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expect(value, equals(finalValue));
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expect(endValue, equals(finalValue));
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await tester.pump(); // No animation should start.
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// Check the transientCallbackCount before tearing down the widget to ensure
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// that no animation is running.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgets('Slider Semantics', (WidgetTester tester) async {
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final semantics = SemanticsTester(tester);
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(),
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child: Directionality(
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textDirection: TextDirection.ltr,
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child: CupertinoSlider(value: 0.5, onChanged: (double v) {}),
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),
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),
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);
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(
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id: 1,
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value: '50%',
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increasedValue: '60%',
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decreasedValue: '40%',
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textDirection: TextDirection.ltr,
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flags: <SemanticsFlag>[SemanticsFlag.isSlider],
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actions: SemanticsAction.decrease.index | SemanticsAction.increase.index,
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),
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],
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),
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ignoreRect: true,
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ignoreTransform: true,
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),
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);
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// Disable slider
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await tester.pumpWidget(
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const MediaQuery(
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data: MediaQueryData(),
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child: Directionality(
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textDirection: TextDirection.ltr,
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child: CupertinoSlider(value: 0.5, onChanged: null),
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),
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),
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);
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics(id: 1, flags: <SemanticsFlag>[SemanticsFlag.isSlider]),
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],
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),
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ignoreRect: true,
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ignoreTransform: true,
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),
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);
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semantics.dispose();
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});
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testWidgets('Slider Semantics can be updated', (WidgetTester tester) async {
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final SemanticsHandle handle = tester.ensureSemantics();
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var value = 0.5;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.ltr,
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child: CupertinoSlider(value: value, onChanged: (double v) {}),
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),
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),
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);
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expect(
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tester.getSemantics(find.byType(CupertinoSlider)),
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matchesSemantics(
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isSlider: true,
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hasIncreaseAction: true,
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hasDecreaseAction: true,
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value: '50%',
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increasedValue: '60%',
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decreasedValue: '40%',
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textDirection: TextDirection.ltr,
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),
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);
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value = 0.6;
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await tester.pumpWidget(
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CupertinoApp(
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home: Directionality(
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textDirection: TextDirection.ltr,
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child: CupertinoSlider(value: value, onChanged: (double v) {}),
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),
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),
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);
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expect(
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tester.getSemantics(find.byType(CupertinoSlider)),
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matchesSemantics(
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isSlider: true,
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hasIncreaseAction: true,
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hasDecreaseAction: true,
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value: '60%',
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increasedValue: '70%',
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decreasedValue: '50%',
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textDirection: TextDirection.ltr,
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),
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);
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handle.dispose();
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});
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|
|
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testWidgets('Slider respects themes', (WidgetTester tester) async {
|
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await tester.pumpWidget(
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CupertinoApp(
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home: Center(child: CupertinoSlider(onChanged: (double value) {}, value: 0.5)),
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),
|
|
);
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
// First line it paints is blue.
|
|
paints..rrect(color: CupertinoColors.systemBlue.color),
|
|
);
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
theme: const CupertinoThemeData(brightness: Brightness.dark),
|
|
home: Center(child: CupertinoSlider(onChanged: (double value) {}, value: 0.5)),
|
|
),
|
|
);
|
|
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
paints..rrect(color: CupertinoColors.systemBlue.darkColor),
|
|
);
|
|
});
|
|
|
|
testWidgets('Themes can be overridden', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
theme: const CupertinoThemeData(brightness: Brightness.dark),
|
|
home: Center(
|
|
child: CupertinoSlider(
|
|
activeColor: CupertinoColors.activeGreen,
|
|
onChanged: (double value) {},
|
|
value: 0.5,
|
|
),
|
|
),
|
|
),
|
|
);
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
paints..rrect(color: CupertinoColors.systemGreen.darkColor),
|
|
);
|
|
});
|
|
|
|
testWidgets('Themes can be overridden by dynamic colors', (WidgetTester tester) async {
|
|
const activeColor = CupertinoDynamicColor(
|
|
color: Color(0x00000001),
|
|
darkColor: Color(0x00000002),
|
|
elevatedColor: Color(0x00000003),
|
|
highContrastColor: Color(0x00000004),
|
|
darkElevatedColor: Color(0x00000005),
|
|
darkHighContrastColor: Color(0x00000006),
|
|
highContrastElevatedColor: Color(0x00000007),
|
|
darkHighContrastElevatedColor: Color(0x00000008),
|
|
);
|
|
|
|
Widget withTraits(
|
|
Brightness brightness,
|
|
CupertinoUserInterfaceLevelData level,
|
|
bool highContrast,
|
|
) {
|
|
return CupertinoTheme(
|
|
data: CupertinoThemeData(brightness: brightness),
|
|
child: CupertinoUserInterfaceLevel(
|
|
data: level,
|
|
child: MediaQuery(
|
|
data: MediaQueryData(highContrast: highContrast),
|
|
child: Center(
|
|
child: CupertinoSlider(
|
|
activeColor: activeColor,
|
|
onChanged: (double value) {},
|
|
value: 0.5,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(home: withTraits(Brightness.light, CupertinoUserInterfaceLevelData.base, false)),
|
|
);
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.color));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(home: withTraits(Brightness.dark, CupertinoUserInterfaceLevelData.base, false)),
|
|
);
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.darkColor));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: withTraits(Brightness.dark, CupertinoUserInterfaceLevelData.elevated, false),
|
|
),
|
|
);
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.darkElevatedColor));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(home: withTraits(Brightness.dark, CupertinoUserInterfaceLevelData.base, true)),
|
|
);
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.darkHighContrastColor));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: withTraits(Brightness.dark, CupertinoUserInterfaceLevelData.elevated, true),
|
|
),
|
|
);
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
paints..rrect(color: activeColor.darkHighContrastElevatedColor),
|
|
);
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(home: withTraits(Brightness.light, CupertinoUserInterfaceLevelData.base, true)),
|
|
);
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.highContrastColor));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: withTraits(Brightness.light, CupertinoUserInterfaceLevelData.elevated, false),
|
|
),
|
|
);
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.elevatedColor));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: withTraits(Brightness.light, CupertinoUserInterfaceLevelData.elevated, true),
|
|
),
|
|
);
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
paints..rrect(color: activeColor.highContrastElevatedColor),
|
|
);
|
|
});
|
|
|
|
testWidgets('track color is dynamic', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
theme: const CupertinoThemeData(brightness: Brightness.light),
|
|
home: Center(
|
|
child: CupertinoSlider(
|
|
activeColor: CupertinoColors.activeGreen,
|
|
onChanged: (double value) {},
|
|
value: 0,
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: _kSystemFill.color));
|
|
|
|
expect(find.byType(CupertinoSlider), isNot(paints..rrect(color: _kSystemFill.darkColor)));
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
theme: const CupertinoThemeData(brightness: Brightness.dark),
|
|
home: Center(
|
|
child: CupertinoSlider(
|
|
activeColor: CupertinoColors.activeGreen,
|
|
onChanged: (double value) {},
|
|
value: 0,
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(find.byType(CupertinoSlider), paints..rrect(color: _kSystemFill.darkColor));
|
|
|
|
expect(find.byType(CupertinoSlider), isNot(paints..rrect(color: _kSystemFill.color)));
|
|
});
|
|
|
|
testWidgets('Thumb color can be overridden', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: Center(
|
|
child: CupertinoSlider(
|
|
thumbColor: CupertinoColors.systemPurple,
|
|
onChanged: (double value) {},
|
|
value: 0,
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
paints
|
|
..rrect()
|
|
..rrect()
|
|
..rrect()
|
|
..rrect()
|
|
..rrect()
|
|
..rrect(color: CupertinoColors.systemPurple.color),
|
|
);
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: Center(
|
|
child: CupertinoSlider(
|
|
thumbColor: CupertinoColors.activeOrange,
|
|
onChanged: (double value) {},
|
|
value: 0,
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(
|
|
find.byType(CupertinoSlider),
|
|
paints
|
|
..rrect()
|
|
..rrect()
|
|
..rrect()
|
|
..rrect()
|
|
..rrect()
|
|
..rrect(color: CupertinoColors.activeOrange.color),
|
|
);
|
|
});
|
|
|
|
testWidgets('Hovering over Cupertino slider thumb updates cursor to clickable on Web', (
|
|
WidgetTester tester,
|
|
) async {
|
|
final Key sliderKey = UniqueKey();
|
|
var value = 0.0;
|
|
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: Directionality(
|
|
textDirection: TextDirection.ltr,
|
|
child: StatefulBuilder(
|
|
builder: (BuildContext context, StateSetter setState) {
|
|
return Material(
|
|
child: Center(
|
|
child: CupertinoSlider(
|
|
key: sliderKey,
|
|
value: value,
|
|
onChanged: (double newValue) {
|
|
setState(() {
|
|
value = newValue;
|
|
});
|
|
},
|
|
),
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
final TestGesture gesture = await tester.createGesture(
|
|
kind: PointerDeviceKind.mouse,
|
|
pointer: 1,
|
|
);
|
|
await gesture.addPointer(location: const Offset(10, 10));
|
|
await tester.pumpAndSettle();
|
|
expect(
|
|
RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
|
|
SystemMouseCursors.basic,
|
|
);
|
|
|
|
final Offset topLeft = tester.getTopLeft(find.byKey(sliderKey));
|
|
await gesture.moveTo(topLeft + const Offset(15, 0));
|
|
addTearDown(gesture.removePointer);
|
|
await tester.pumpAndSettle();
|
|
expect(
|
|
RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
|
|
kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
|
|
);
|
|
});
|
|
|
|
testWidgets('CupertinoSlider does not crash at zero area', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
CupertinoApp(
|
|
home: Center(
|
|
child: SizedBox.shrink(child: CupertinoSlider(value: 0.0, onChanged: (_) {})),
|
|
),
|
|
),
|
|
);
|
|
expect(tester.getSize(find.byType(CupertinoSlider)), Size.zero);
|
|
});
|
|
}
|