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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 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';
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 MaterialApp(
locale: locale,
supportedLocales: <Locale>[locale],
localizationsDelegates: GlobalMaterialLocalizations.delegates,
home: Material(
child: Center(
child: Builder(
builder: (BuildContext context) {
return 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, {
Locale locale = const Locale('en', 'US'),
}) async {
await tester.pumpWidget(_TimePickerLauncher(onChanged: onChanged, locale: locale,));
await tester.tap(find.text('X'));
await tester.pumpAndSettle(const Duration(seconds: 1));
return tester.getCenter(find.byKey(const Key('time-picker-dial')));
}
Future<void> 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() {
testWidgets('can localize the header in all known formats', (WidgetTester tester) async {
// TODO(yjbanov): also test `HH.mm` (in_ID), `a h:mm` (ko_KR) and `HH:mm น.` (th_TH) when we have .arb files for them
final Map<Locale, List<String>> locales = <Locale, List<String>>{
const Locale('en', 'US'): const <String>['hour', 'string :', 'minute', 'period'], //'h:mm a'
const Locale('en', 'GB'): const <String>['hour', 'string :', 'minute'], //'HH:mm'
const Locale('es', 'ES'): const <String>['hour', 'string :', 'minute'], //'H:mm'
const Locale('fr', 'CA'): const <String>['hour', 'string h', 'minute'], //'HH \'h\' mm'
const Locale('zh', 'ZH'): const <String>['period', 'hour', 'string :', 'minute'], //'ah:mm'
};
for (final Locale locale in locales.keys) {
final Offset center = await startPicker(tester, (TimeOfDay time) { }, locale: locale);
final List<String> actual = <String>[];
tester.element(find.byType(CustomMultiChildLayout)).visitChildren((Element child) {
final LayoutId layout = child.widget as LayoutId;
final String fragmentType = '${layout.child.runtimeType}';
final dynamic widget = layout.child;
if (fragmentType == '_MinuteControl') {
actual.add('minute');
} else if (fragmentType == '_DayPeriodControl') {
actual.add('period');
} else if (fragmentType == '_HourControl') {
actual.add('hour');
} else if (fragmentType == '_StringFragment') {
actual.add('string ${widget.value}');
} else {
fail('Unsupported fragment type: $fragmentType');
}
});
expect(actual, locales[locale]);
await tester.tapAt(Offset(center.dx, center.dy - 50.0));
await finishPicker(tester);
}
});
testWidgets('uses single-ring 12-hour dial for h hour format', (WidgetTester tester) async {
// Tap along the segment stretching from the center to the edge at
// 12:00 AM position. Because there's only one ring, no matter where you
// tap the time will be the same. See the 24-hour dial test that behaves
// differently.
for (int i = 1; i < 10; i++) {
TimeOfDay result;
final Offset center = await startPicker(tester, (TimeOfDay time) { result = time; });
final Size size = tester.getSize(find.byKey(const Key('time-picker-dial')));
final double dy = (size.height / 2.0 / 10) * i;
await tester.tapAt(Offset(center.dx, center.dy - dy));
await finishPicker(tester);
expect(result, equals(const TimeOfDay(hour: 0, minute: 0)));
}
});
testWidgets('uses two-ring 24-hour dial for H and HH hour formats', (WidgetTester tester) async {
const List<Locale> locales = <Locale>[
Locale('en', 'GB'), // HH
Locale('es', 'ES'), // H
];
for (final Locale locale in locales) {
// Tap along the segment stretching from the center to the edge at
// 12:00 AM position. There are two rings. At ~70% mark, the ring
// switches between inner ring and outer ring.
for (int i = 1; i < 10; i++) {
TimeOfDay result;
final Offset center = await startPicker(tester, (TimeOfDay time) { result = time; }, locale: locale);
final Size size = tester.getSize(find.byKey(const Key('time-picker-dial')));
final double dy = (size.height / 2.0 / 10) * i;
await tester.tapAt(Offset(center.dx, center.dy - dy));
await finishPicker(tester);
expect(result, equals(TimeOfDay(hour: i < 7 ? 12 : 0, minute: 0)));
}
}
});
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<void> mediaQueryBoilerplate(WidgetTester tester, bool alwaysUse24HourFormat) async {
await tester.pumpWidget(
Localizations(
locale: const Locale('en', 'US'),
delegates: const <LocalizationsDelegate<dynamic>>[
GlobalMaterialLocalizations.delegate,
DefaultWidgetsLocalizations.delegate,
],
child: MediaQuery(
data: MediaQueryData(alwaysUse24HourFormat: alwaysUse24HourFormat),
child: Material(
child: Directionality(
textDirection: TextDirection.ltr,
child: Navigator(
onGenerateRoute: (RouteSettings settings) {
return MaterialPageRoute<void>(builder: (BuildContext context) {
return FlatButton(
onPressed: () {
showTimePicker(context: context, initialTime: const TimeOfDay(hour: 7, minute: 0));
},
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(find.byKey(const ValueKey<String>('time-picker-dial')));
final dynamic dialPainter = dialPaint.painter;
final List<dynamic> primaryOuterLabels = dialPainter.primaryOuterLabels as List<dynamic>;
expect(
primaryOuterLabels.map<String>((dynamic tp) => ((tp.painter as TextPainter).text as TextSpan).text),
labels12To11,
);
expect(dialPainter.primaryInnerLabels, null);
final List<dynamic> secondaryOuterLabels = dialPainter.secondaryOuterLabels as List<dynamic>;
expect(
secondaryOuterLabels.map<String>((dynamic tp) => ((tp.painter as TextPainter).text as TextSpan).text),
labels12To11,
);
expect(dialPainter.secondaryInnerLabels, null);
});
testWidgets('respects MediaQueryData.alwaysUse24HourFormat == true', (WidgetTester tester) async {
await mediaQueryBoilerplate(tester, true);
final CustomPaint dialPaint = tester.widget(find.byKey(const ValueKey<String>('time-picker-dial')));
final dynamic dialPainter = dialPaint.painter;
final List<dynamic> primaryOuterLabels = dialPainter.primaryOuterLabels as List<dynamic>;
expect(
primaryOuterLabels.map<String>((dynamic tp) => ((tp.painter as TextPainter).text as TextSpan).text),
labels00To23,
);
final List<dynamic> primaryInnerLabels = dialPainter.primaryInnerLabels as List<dynamic>;
expect(
primaryInnerLabels.map<String>((dynamic tp) => ((tp.painter as TextPainter).text as TextSpan).text),
labels12To11TwoDigit,
);
final List<dynamic> secondaryOuterLabels = dialPainter.secondaryOuterLabels as List<dynamic>;
expect(
secondaryOuterLabels.map<String>((dynamic tp) => ((tp.painter as TextPainter).text as TextSpan).text),
labels00To23,
);
final List<dynamic> secondaryInnerLabels = dialPainter.secondaryInnerLabels as List<dynamic>;
expect(
secondaryInnerLabels.map<String>((dynamic tp) => ((tp.painter as TextPainter).text as TextSpan).text),
labels12To11TwoDigit,
);
});
}