| // Copyright 2016 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 'dart:async'; |
| import 'dart:ui' as ui; |
| |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/widgets.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| import '../rendering/recording_canvas.dart'; |
| import '../widgets/semantics_tester.dart'; |
| import 'feedback_tester.dart'; |
| |
| final Finder _hourControl = find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_HourControl'); |
| final Finder _minuteControl = find.byWidgetPredicate((Widget widget) => '${widget.runtimeType}' == '_MinuteControl'); |
| final Finder _timePickerDialog = find.byWidgetPredicate((Widget widget) => '${widget.runtimeType}' == '_TimePickerDialog'); |
| |
| class _TimePickerLauncher extends StatelessWidget { |
| const _TimePickerLauncher({ Key key, this.onChanged, this.locale }) : super(key: key); |
| |
| final ValueChanged<TimeOfDay> onChanged; |
| final Locale locale; |
| |
| @override |
| Widget build(BuildContext context) { |
| return new MaterialApp( |
| locale: locale, |
| home: new Material( |
| child: new Center( |
| child: new Builder( |
| builder: (BuildContext context) { |
| return new RaisedButton( |
| child: const Text('X'), |
| onPressed: () async { |
| onChanged(await showTimePicker( |
| context: context, |
| initialTime: const TimeOfDay(hour: 7, minute: 0), |
| )); |
| } |
| ); |
| } |
| ) |
| ) |
| ) |
| ); |
| } |
| } |
| |
| Future<Offset> startPicker(WidgetTester tester, ValueChanged<TimeOfDay> onChanged) async { |
| await tester.pumpWidget(new _TimePickerLauncher(onChanged: onChanged, locale: const Locale('en', 'US'))); |
| await tester.tap(find.text('X')); |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| return tester.getCenter(find.byKey(const ValueKey<String>('time-picker-dial'))); |
| } |
| |
| Future<Null> finishPicker(WidgetTester tester) async { |
| final MaterialLocalizations materialLocalizations = MaterialLocalizations.of(tester.element(find.byType(RaisedButton))); |
| await tester.tap(find.text(materialLocalizations.okButtonLabel)); |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| } |
| |
| void main() { |
| group('Time picker', () { |
| _tests(); |
| }); |
| } |
| |
| void _tests() { |
| testWidgets('tap-select an hour', (WidgetTester tester) async { |
| TimeOfDay result; |
| |
| Offset center = await startPicker(tester, (TimeOfDay time) { result = time; }); |
| await tester.tapAt(new Offset(center.dx, center.dy - 50.0)); // 12:00 AM |
| await finishPicker(tester); |
| expect(result, equals(const TimeOfDay(hour: 0, minute: 0))); |
| |
| center = await startPicker(tester, (TimeOfDay time) { result = time; }); |
| await tester.tapAt(new Offset(center.dx + 50.0, center.dy)); |
| await finishPicker(tester); |
| expect(result, equals(const TimeOfDay(hour: 3, minute: 0))); |
| |
| center = await startPicker(tester, (TimeOfDay time) { result = time; }); |
| await tester.tapAt(new Offset(center.dx, center.dy + 50.0)); |
| await finishPicker(tester); |
| expect(result, equals(const TimeOfDay(hour: 6, minute: 0))); |
| |
| center = await startPicker(tester, (TimeOfDay time) { result = time; }); |
| await tester.tapAt(new Offset(center.dx, center.dy + 50.0)); |
| await tester.tapAt(new Offset(center.dx - 50, center.dy)); |
| await finishPicker(tester); |
| expect(result, equals(const TimeOfDay(hour: 9, minute: 0))); |
| }); |
| |
| testWidgets('drag-select an hour', (WidgetTester tester) async { |
| TimeOfDay result; |
| |
| final Offset center = await startPicker(tester, (TimeOfDay time) { result = time; }); |
| final Offset hour0 = new Offset(center.dx, center.dy - 50.0); // 12:00 AM |
| final Offset hour3 = new Offset(center.dx + 50.0, center.dy); |
| final Offset hour6 = new Offset(center.dx, center.dy + 50.0); |
| final Offset hour9 = new Offset(center.dx - 50.0, center.dy); |
| |
| TestGesture gesture; |
| |
| gesture = await tester.startGesture(hour3); |
| await gesture.moveBy(hour0 - hour3); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(result.hour, 0); |
| |
| expect(await startPicker(tester, (TimeOfDay time) { result = time; }), equals(center)); |
| gesture = await tester.startGesture(hour0); |
| await gesture.moveBy(hour3 - hour0); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(result.hour, 3); |
| |
| expect(await startPicker(tester, (TimeOfDay time) { result = time; }), equals(center)); |
| gesture = await tester.startGesture(hour3); |
| await gesture.moveBy(hour6 - hour3); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(result.hour, equals(6)); |
| |
| expect(await startPicker(tester, (TimeOfDay time) { result = time; }), equals(center)); |
| gesture = await tester.startGesture(hour6); |
| await gesture.moveBy(hour9 - hour6); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(result.hour, equals(9)); |
| }); |
| |
| group('haptic feedback', () { |
| const Duration kFastFeedbackInterval = Duration(milliseconds: 10); |
| const Duration kSlowFeedbackInterval = Duration(milliseconds: 200); |
| FeedbackTester feedback; |
| |
| setUp(() { |
| feedback = new FeedbackTester(); |
| }); |
| |
| tearDown(() { |
| feedback?.dispose(); |
| }); |
| |
| testWidgets('tap-select vibrates once', (WidgetTester tester) async { |
| final Offset center = await startPicker(tester, (TimeOfDay time) { }); |
| await tester.tapAt(new Offset(center.dx, center.dy - 50.0)); |
| await finishPicker(tester); |
| expect(feedback.hapticCount, 1); |
| }); |
| |
| testWidgets('quick successive tap-selects vibrate once', (WidgetTester tester) async { |
| final Offset center = await startPicker(tester, (TimeOfDay time) { }); |
| await tester.tapAt(new Offset(center.dx, center.dy - 50.0)); |
| await tester.pump(kFastFeedbackInterval); |
| await tester.tapAt(new Offset(center.dx, center.dy + 50.0)); |
| await finishPicker(tester); |
| expect(feedback.hapticCount, 1); |
| }); |
| |
| testWidgets('slow successive tap-selects vibrate once per tap', (WidgetTester tester) async { |
| final Offset center = await startPicker(tester, (TimeOfDay time) { }); |
| await tester.tapAt(new Offset(center.dx, center.dy - 50.0)); |
| await tester.pump(kSlowFeedbackInterval); |
| await tester.tapAt(new Offset(center.dx, center.dy + 50.0)); |
| await tester.pump(kSlowFeedbackInterval); |
| await tester.tapAt(new Offset(center.dx, center.dy - 50.0)); |
| await finishPicker(tester); |
| expect(feedback.hapticCount, 3); |
| }); |
| |
| testWidgets('drag-select vibrates once', (WidgetTester tester) async { |
| final Offset center = await startPicker(tester, (TimeOfDay time) { }); |
| final Offset hour0 = new Offset(center.dx, center.dy - 50.0); |
| final Offset hour3 = new Offset(center.dx + 50.0, center.dy); |
| |
| final TestGesture gesture = await tester.startGesture(hour3); |
| await gesture.moveBy(hour0 - hour3); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(feedback.hapticCount, 1); |
| }); |
| |
| testWidgets('quick drag-select vibrates once', (WidgetTester tester) async { |
| final Offset center = await startPicker(tester, (TimeOfDay time) { }); |
| final Offset hour0 = new Offset(center.dx, center.dy - 50.0); |
| final Offset hour3 = new Offset(center.dx + 50.0, center.dy); |
| |
| final TestGesture gesture = await tester.startGesture(hour3); |
| await gesture.moveBy(hour0 - hour3); |
| await tester.pump(kFastFeedbackInterval); |
| await gesture.moveBy(hour3 - hour0); |
| await tester.pump(kFastFeedbackInterval); |
| await gesture.moveBy(hour0 - hour3); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(feedback.hapticCount, 1); |
| }); |
| |
| testWidgets('slow drag-select vibrates once', (WidgetTester tester) async { |
| final Offset center = await startPicker(tester, (TimeOfDay time) { }); |
| final Offset hour0 = new Offset(center.dx, center.dy - 50.0); |
| final Offset hour3 = new Offset(center.dx + 50.0, center.dy); |
| |
| final TestGesture gesture = await tester.startGesture(hour3); |
| await gesture.moveBy(hour0 - hour3); |
| await tester.pump(kSlowFeedbackInterval); |
| await gesture.moveBy(hour3 - hour0); |
| await tester.pump(kSlowFeedbackInterval); |
| await gesture.moveBy(hour0 - hour3); |
| await gesture.up(); |
| await finishPicker(tester); |
| expect(feedback.hapticCount, 3); |
| }); |
| }); |
| |
| const List<String> labels12To11 = <String>['12', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11']; |
| const List<String> labels12To11TwoDigit = <String>['12', '01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11']; |
| const List<String> labels00To23 = <String>['00', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23']; |
| |
| Future<Null> mediaQueryBoilerplate(WidgetTester tester, bool alwaysUse24HourFormat, |
| { TimeOfDay initialTime = const TimeOfDay(hour: 7, minute: 0) }) async { |
| await tester.pumpWidget( |
| new Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: new MediaQuery( |
| data: new MediaQueryData(alwaysUse24HourFormat: alwaysUse24HourFormat), |
| child: new Material( |
| child: new Directionality( |
| textDirection: TextDirection.ltr, |
| child: new Navigator( |
| onGenerateRoute: (RouteSettings settings) { |
| return new MaterialPageRoute<void>(builder: (BuildContext context) { |
| return new FlatButton( |
| onPressed: () { |
| showTimePicker(context: context, initialTime: initialTime); |
| }, |
| child: const Text('X'), |
| ); |
| }); |
| }, |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('X')); |
| await tester.pumpAndSettle(); |
| } |
| |
| testWidgets('respects MediaQueryData.alwaysUse24HourFormat == false', (WidgetTester tester) async { |
| await mediaQueryBoilerplate(tester, false); |
| |
| final CustomPaint dialPaint = tester.widget(findDialPaint); |
| final dynamic dialPainter = dialPaint.painter; |
| final List<dynamic> primaryOuterLabels = dialPainter.primaryOuterLabels; |
| expect(primaryOuterLabels.map<String>((dynamic tp) => tp.painter.text.text), labels12To11); |
| expect(dialPainter.primaryInnerLabels, null); |
| |
| final List<dynamic> secondaryOuterLabels = dialPainter.secondaryOuterLabels; |
| expect(secondaryOuterLabels.map<String>((dynamic tp) => tp.painter.text.text), labels12To11); |
| expect(dialPainter.secondaryInnerLabels, null); |
| }); |
| |
| testWidgets('respects MediaQueryData.alwaysUse24HourFormat == true', (WidgetTester tester) async { |
| await mediaQueryBoilerplate(tester, true); |
| |
| final CustomPaint dialPaint = tester.widget(findDialPaint); |
| final dynamic dialPainter = dialPaint.painter; |
| final List<dynamic> primaryOuterLabels = dialPainter.primaryOuterLabels; |
| expect(primaryOuterLabels.map<String>((dynamic tp) => tp.painter.text.text), labels00To23); |
| final List<dynamic> primaryInnerLabels = dialPainter.primaryInnerLabels; |
| expect(primaryInnerLabels.map<String>((dynamic tp) => tp.painter.text.text), labels12To11TwoDigit); |
| |
| final List<dynamic> secondaryOuterLabels = dialPainter.secondaryOuterLabels; |
| expect(secondaryOuterLabels.map<String>((dynamic tp) => tp.painter.text.text), labels00To23); |
| final List<dynamic> secondaryInnerLabels = dialPainter.secondaryInnerLabels; |
| expect(secondaryInnerLabels.map<String>((dynamic tp) => tp.painter.text.text), labels12To11TwoDigit); |
| }); |
| |
| testWidgets('provides semantics information for AM/PM indicator', (WidgetTester tester) async { |
| final SemanticsTester semantics = new SemanticsTester(tester); |
| await mediaQueryBoilerplate(tester, false); |
| |
| expect(semantics, includesNodeWith(label: 'AM', actions: <SemanticsAction>[SemanticsAction.tap])); |
| expect(semantics, includesNodeWith(label: 'PM', actions: <SemanticsAction>[SemanticsAction.tap])); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('provides semantics information for header and footer', (WidgetTester tester) async { |
| final SemanticsTester semantics = new SemanticsTester(tester); |
| await mediaQueryBoilerplate(tester, true); |
| |
| expect(semantics, isNot(includesNodeWith(label: ':'))); |
| expect(semantics.nodesWith(value: '00'), hasLength(2), |
| reason: '00 appears once in the header, then again in the dial'); |
| expect(semantics.nodesWith(value: '07'), hasLength(2), |
| reason: '07 appears once in the header, then again in the dial'); |
| expect(semantics, includesNodeWith(label: 'CANCEL')); |
| expect(semantics, includesNodeWith(label: 'OK')); |
| |
| // In 24-hour mode we don't have AM/PM control. |
| expect(semantics, isNot(includesNodeWith(label: 'AM'))); |
| expect(semantics, isNot(includesNodeWith(label: 'PM'))); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('provides semantics information for hours', (WidgetTester tester) async { |
| final SemanticsTester semantics = new SemanticsTester(tester); |
| await mediaQueryBoilerplate(tester, true); |
| |
| final CustomPaint dialPaint = tester.widget(find.byKey(const ValueKey<String>('time-picker-dial'))); |
| final CustomPainter dialPainter = dialPaint.painter; |
| final _CustomPainterSemanticsTester painterTester = new _CustomPainterSemanticsTester(tester, dialPainter, semantics); |
| |
| painterTester.addLabel('00', 86.0, 0.0, 134.0, 48.0); |
| painterTester.addLabel('13', 129.0, 11.5, 177.0, 59.5); |
| painterTester.addLabel('14', 160.5, 43.0, 208.5, 91.0); |
| painterTester.addLabel('15', 172.0, 86.0, 220.0, 134.0); |
| painterTester.addLabel('16', 160.5, 129.0, 208.5, 177.0); |
| painterTester.addLabel('17', 129.0, 160.5, 177.0, 208.5); |
| painterTester.addLabel('18', 86.0, 172.0, 134.0, 220.0); |
| painterTester.addLabel('19', 43.0, 160.5, 91.0, 208.5); |
| painterTester.addLabel('20', 11.5, 129.0, 59.5, 177.0); |
| painterTester.addLabel('21', 0.0, 86.0, 48.0, 134.0); |
| painterTester.addLabel('22', 11.5, 43.0, 59.5, 91.0); |
| painterTester.addLabel('23', 43.0, 11.5, 91.0, 59.5); |
| painterTester.addLabel('12', 86.0, 36.0, 134.0, 84.0); |
| painterTester.addLabel('01', 111.0, 42.7, 159.0, 90.7); |
| painterTester.addLabel('02', 129.3, 61.0, 177.3, 109.0); |
| painterTester.addLabel('03', 136.0, 86.0, 184.0, 134.0); |
| painterTester.addLabel('04', 129.3, 111.0, 177.3, 159.0); |
| painterTester.addLabel('05', 111.0, 129.3, 159.0, 177.3); |
| painterTester.addLabel('06', 86.0, 136.0, 134.0, 184.0); |
| painterTester.addLabel('07', 61.0, 129.3, 109.0, 177.3); |
| painterTester.addLabel('08', 42.7, 111.0, 90.7, 159.0); |
| painterTester.addLabel('09', 36.0, 86.0, 84.0, 134.0); |
| painterTester.addLabel('10', 42.7, 61.0, 90.7, 109.0); |
| painterTester.addLabel('11', 61.0, 42.7, 109.0, 90.7); |
| |
| painterTester.assertExpectations(); |
| semantics.dispose(); |
| }); |
| |
| testWidgets('provides semantics information for minutes', (WidgetTester tester) async { |
| final SemanticsTester semantics = new SemanticsTester(tester); |
| await mediaQueryBoilerplate(tester, true); |
| await tester.tap(_minuteControl); |
| await tester.pumpAndSettle(); |
| |
| final CustomPaint dialPaint = tester.widget(find.byKey(const ValueKey<String>('time-picker-dial'))); |
| final CustomPainter dialPainter = dialPaint.painter; |
| final _CustomPainterSemanticsTester painterTester = new _CustomPainterSemanticsTester(tester, dialPainter, semantics); |
| |
| painterTester.addLabel('00', 86.0, 0.0, 134.0, 48.0); |
| painterTester.addLabel('05', 129.0, 11.5, 177.0, 59.5); |
| painterTester.addLabel('10', 160.5, 43.0, 208.5, 91.0); |
| painterTester.addLabel('15', 172.0, 86.0, 220.0, 134.0); |
| painterTester.addLabel('20', 160.5, 129.0, 208.5, 177.0); |
| painterTester.addLabel('25', 129.0, 160.5, 177.0, 208.5); |
| painterTester.addLabel('30', 86.0, 172.0, 134.0, 220.0); |
| painterTester.addLabel('35', 43.0, 160.5, 91.0, 208.5); |
| painterTester.addLabel('40', 11.5, 129.0, 59.5, 177.0); |
| painterTester.addLabel('45', 0.0, 86.0, 48.0, 134.0); |
| painterTester.addLabel('50', 11.5, 43.0, 59.5, 91.0); |
| painterTester.addLabel('55', 43.0, 11.5, 91.0, 59.5); |
| |
| painterTester.assertExpectations(); |
| semantics.dispose(); |
| }); |
| |
| testWidgets('picks the right dial ring from widget configuration', (WidgetTester tester) async { |
| await mediaQueryBoilerplate(tester, true, initialTime: const TimeOfDay(hour: 12, minute: 0)); |
| dynamic dialPaint = tester.widget(findDialPaint); |
| expect('${dialPaint.painter.activeRing}', '_DialRing.inner'); |
| |
| await tester.pumpWidget(new Container()); // make sure previous state isn't reused |
| |
| await mediaQueryBoilerplate(tester, true, initialTime: const TimeOfDay(hour: 0, minute: 0)); |
| dialPaint = tester.widget(findDialPaint); |
| expect('${dialPaint.painter.activeRing}', '_DialRing.outer'); |
| }); |
| |
| testWidgets('can increment and decrement hours', (WidgetTester tester) async { |
| final SemanticsTester semantics = new SemanticsTester(tester); |
| |
| Future<Null> actAndExpect({ String initialValue, SemanticsAction action, String finalValue }) async { |
| final SemanticsNode elevenHours = semantics.nodesWith( |
| value: initialValue, |
| ancestor: tester.renderObject(_hourControl).debugSemantics, |
| ).single; |
| tester.binding.pipelineOwner.semanticsOwner.performAction(elevenHours.id, action); |
| await tester.pumpAndSettle(); |
| expect( |
| find.descendant(of: _hourControl, matching: find.text(finalValue)), |
| findsOneWidget, |
| ); |
| } |
| |
| // 12-hour format |
| await mediaQueryBoilerplate(tester, false, initialTime: const TimeOfDay(hour: 11, minute: 0)); |
| await actAndExpect( |
| initialValue: '11', |
| action: SemanticsAction.increase, |
| finalValue: '12', |
| ); |
| await actAndExpect( |
| initialValue: '12', |
| action: SemanticsAction.increase, |
| finalValue: '1', |
| ); |
| |
| // Ensure we preserve day period as we roll over. |
| final dynamic pickerState = tester.state(_timePickerDialog); |
| expect(pickerState.selectedTime, const TimeOfDay(hour: 1, minute: 0)); |
| |
| await actAndExpect( |
| initialValue: '1', |
| action: SemanticsAction.decrease, |
| finalValue: '12', |
| ); |
| await tester.pumpWidget(new Container()); // clear old boilerplate |
| |
| // 24-hour format |
| await mediaQueryBoilerplate(tester, true, initialTime: const TimeOfDay(hour: 23, minute: 0)); |
| await actAndExpect( |
| initialValue: '23', |
| action: SemanticsAction.increase, |
| finalValue: '00', |
| ); |
| await actAndExpect( |
| initialValue: '00', |
| action: SemanticsAction.increase, |
| finalValue: '01', |
| ); |
| await actAndExpect( |
| initialValue: '01', |
| action: SemanticsAction.decrease, |
| finalValue: '00', |
| ); |
| await actAndExpect( |
| initialValue: '00', |
| action: SemanticsAction.decrease, |
| finalValue: '23', |
| ); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('can increment and decrement minutes', (WidgetTester tester) async { |
| final SemanticsTester semantics = new SemanticsTester(tester); |
| |
| Future<Null> actAndExpect({ String initialValue, SemanticsAction action, String finalValue }) async { |
| final SemanticsNode elevenHours = semantics.nodesWith( |
| value: initialValue, |
| ancestor: tester.renderObject(_minuteControl).debugSemantics, |
| ).single; |
| tester.binding.pipelineOwner.semanticsOwner.performAction(elevenHours.id, action); |
| await tester.pumpAndSettle(); |
| expect( |
| find.descendant(of: _minuteControl, matching: find.text(finalValue)), |
| findsOneWidget, |
| ); |
| } |
| |
| await mediaQueryBoilerplate(tester, false, initialTime: const TimeOfDay(hour: 11, minute: 58)); |
| await actAndExpect( |
| initialValue: '58', |
| action: SemanticsAction.increase, |
| finalValue: '59', |
| ); |
| await actAndExpect( |
| initialValue: '59', |
| action: SemanticsAction.increase, |
| finalValue: '00', |
| ); |
| |
| // Ensure we preserve hour period as we roll over. |
| final dynamic pickerState = tester.state(_timePickerDialog); |
| expect(pickerState.selectedTime, const TimeOfDay(hour: 11, minute: 0)); |
| |
| await actAndExpect( |
| initialValue: '00', |
| action: SemanticsAction.decrease, |
| finalValue: '59', |
| ); |
| await actAndExpect( |
| initialValue: '59', |
| action: SemanticsAction.decrease, |
| finalValue: '58', |
| ); |
| |
| semantics.dispose(); |
| }); |
| } |
| |
| final Finder findDialPaint = find.descendant( |
| of: find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_Dial'), |
| matching: find.byWidgetPredicate((Widget w) => w is CustomPaint), |
| ); |
| |
| class _SemanticsNodeExpectation { |
| final String label; |
| final double left; |
| final double top; |
| final double right; |
| final double bottom; |
| |
| _SemanticsNodeExpectation(this.label, this.left, this.top, this.right, this.bottom); |
| } |
| |
| class _CustomPainterSemanticsTester { |
| _CustomPainterSemanticsTester(this.tester, this.painter, this.semantics); |
| |
| final WidgetTester tester; |
| final CustomPainter painter; |
| final SemanticsTester semantics; |
| final PaintPattern expectedLabels = paints; |
| final List<_SemanticsNodeExpectation> expectedNodes = <_SemanticsNodeExpectation>[]; |
| |
| void addLabel(String label, double left, double top, double right, double bottom) { |
| expectedNodes.add(new _SemanticsNodeExpectation(label, left, top, right, bottom)); |
| } |
| |
| void assertExpectations() { |
| final TestRecordingCanvas canvasRecording = new TestRecordingCanvas(); |
| painter.paint(canvasRecording, const Size(220.0, 220.0)); |
| final List<ui.Paragraph> paragraphs = canvasRecording.invocations |
| .where((RecordedInvocation recordedInvocation) { |
| return recordedInvocation.invocation.memberName == #drawParagraph; |
| }) |
| .map<ui.Paragraph>((RecordedInvocation recordedInvocation) { |
| return recordedInvocation.invocation.positionalArguments.first; |
| }) |
| .toList(); |
| |
| final PaintPattern expectedLabels = paints; |
| int i = 0; |
| |
| for (_SemanticsNodeExpectation expectation in expectedNodes) { |
| expect(semantics, includesNodeWith(value: expectation.label)); |
| final Iterable<SemanticsNode> dialLabelNodes = semantics |
| .nodesWith(value: expectation.label) |
| .where((SemanticsNode node) => node.tags?.contains(const SemanticsTag('dial-label')) ?? false); |
| expect(dialLabelNodes, hasLength(1), reason: 'Expected exactly one label ${expectation.label}'); |
| final Rect rect = new Rect.fromLTRB(expectation.left, expectation.top, expectation.right, expectation.bottom); |
| expect(dialLabelNodes.single.rect, within(distance: 1.0, from: rect), |
| reason: 'This is checking the node rectangle for label ${expectation.label}'); |
| |
| final ui.Paragraph paragraph = paragraphs[i++]; |
| |
| // The label text paragraph and the semantics node share the same center, |
| // but have different sizes. |
| final Offset center = dialLabelNodes.single.rect.center; |
| final Offset topLeft = center.translate( |
| -paragraph.width / 2.0, |
| -paragraph.height / 2.0, |
| ); |
| |
| expectedLabels.paragraph( |
| paragraph: paragraph, |
| offset: within<Offset>(distance: 1.0, from: topLeft), |
| ); |
| } |
| expect(tester.renderObject(findDialPaint), expectedLabels); |
| } |
| } |
