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date_picker_test.dart
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date_picker_test.dart
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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/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
late DateTime firstDate;
late DateTime lastDate;
late DateTime initialDate;
late DateTime today;
late SelectableDayPredicate? selectableDayPredicate;
late DatePickerEntryMode initialEntryMode;
late DatePickerMode initialCalendarMode;
String? cancelText;
String? confirmText;
String? errorFormatText;
String? errorInvalidText;
String? fieldHintText;
String? fieldLabelText;
String? helpText;
TextInputType? keyboardType;
final Finder nextMonthIcon = find.byWidgetPredicate((Widget w) => w is IconButton && (w.tooltip?.startsWith('Next month') ?? false));
final Finder previousMonthIcon = find.byWidgetPredicate((Widget w) => w is IconButton && (w.tooltip?.startsWith('Previous month') ?? false));
final Finder switchToInputIcon = find.byIcon(Icons.edit);
final Finder switchToCalendarIcon = find.byIcon(Icons.calendar_today);
TextField textField(WidgetTester tester) {
return tester.widget<TextField>(find.byType(TextField));
}
setUp(() {
firstDate = DateTime(2001);
lastDate = DateTime(2031, DateTime.december, 31);
initialDate = DateTime(2016, DateTime.january, 15);
today = DateTime(2016, DateTime.january, 3);
selectableDayPredicate = null;
initialEntryMode = DatePickerEntryMode.calendar;
initialCalendarMode = DatePickerMode.day;
cancelText = null;
confirmText = null;
errorFormatText = null;
errorInvalidText = null;
fieldHintText = null;
fieldLabelText = null;
helpText = null;
keyboardType = null;
});
Future<void> prepareDatePicker(
WidgetTester tester,
Future<void> Function(Future<DateTime?> date) callback, {
TextDirection textDirection = TextDirection.ltr,
bool useMaterial3 = false,
}) async {
late BuildContext buttonContext;
await tester.pumpWidget(MaterialApp(
theme: ThemeData(useMaterial3: useMaterial3),
home: Material(
child: Builder(
builder: (BuildContext context) {
return ElevatedButton(
onPressed: () {
buttonContext = context;
},
child: const Text('Go'),
);
},
),
),
));
await tester.tap(find.text('Go'));
expect(buttonContext, isNotNull);
final Future<DateTime?> date = showDatePicker(
context: buttonContext,
initialDate: initialDate,
firstDate: firstDate,
lastDate: lastDate,
currentDate: today,
selectableDayPredicate: selectableDayPredicate,
initialDatePickerMode: initialCalendarMode,
initialEntryMode: initialEntryMode,
cancelText: cancelText,
confirmText: confirmText,
errorFormatText: errorFormatText,
errorInvalidText: errorInvalidText,
fieldHintText: fieldHintText,
fieldLabelText: fieldLabelText,
helpText: helpText,
keyboardType: keyboardType,
builder: (BuildContext context, Widget? child) {
return Directionality(
textDirection: textDirection,
child: child ?? const SizedBox(),
);
},
);
await tester.pumpAndSettle(const Duration(seconds: 1));
await callback(date);
}
group('showDatePicker Dialog', () {
testWidgets('Material3 uses sentence case labels', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.text('Select date'), findsOneWidget);
}, useMaterial3: true);
});
testWidgets('Cancel, confirm, and help text is used', (WidgetTester tester) async {
cancelText = 'nope';
confirmText = 'yep';
helpText = 'help';
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.text(cancelText!), findsOneWidget);
expect(find.text(confirmText!), findsOneWidget);
expect(find.text(helpText!), findsOneWidget);
});
});
testWidgets('Initial date is the default', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('OK'));
expect(await date, DateTime(2016, DateTime.january, 15));
});
});
testWidgets('Can cancel', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('CANCEL'));
expect(await date, isNull);
});
});
testWidgets('Can switch from calendar to input entry mode', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsNothing);
await tester.tap(find.byIcon(Icons.edit));
await tester.pumpAndSettle();
expect(find.byType(TextField), findsOneWidget);
});
});
testWidgets('Can switch from input to calendar entry mode', (WidgetTester tester) async {
initialEntryMode = DatePickerEntryMode.input;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsOneWidget);
await tester.tap(find.byIcon(Icons.calendar_today));
await tester.pumpAndSettle();
expect(find.byType(TextField), findsNothing);
});
});
testWidgets('Can not switch out of calendarOnly mode', (WidgetTester tester) async {
initialEntryMode = DatePickerEntryMode.calendarOnly;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsNothing);
expect(find.byIcon(Icons.edit), findsNothing);
});
});
testWidgets('Can not switch out of inputOnly mode', (WidgetTester tester) async {
initialEntryMode = DatePickerEntryMode.inputOnly;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsOneWidget);
expect(find.byIcon(Icons.calendar_today), findsNothing);
});
});
testWidgets('Switching to input mode keeps selected date', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('12'));
await tester.tap(find.byIcon(Icons.edit));
await tester.pumpAndSettle();
await tester.tap(find.text('OK'));
expect(await date, DateTime(2016, DateTime.january, 12));
});
});
testWidgets('Input only mode should validate date', (WidgetTester tester) async {
initialEntryMode = DatePickerEntryMode.inputOnly;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
// Enter text input mode and type an invalid date to get error.
await tester.enterText(find.byType(TextField), '1234567');
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
expect(find.text('Invalid format.'), findsOneWidget);
});
});
testWidgets('Switching to input mode resets input error state', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
// Enter text input mode and type an invalid date to get error.
await tester.tap(find.byIcon(Icons.edit));
await tester.pumpAndSettle();
await tester.enterText(find.byType(TextField), '1234567');
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
expect(find.text('Invalid format.'), findsOneWidget);
// Toggle to calendar mode and then back to input mode
await tester.tap(find.byIcon(Icons.calendar_today));
await tester.pumpAndSettle();
await tester.tap(find.byIcon(Icons.edit));
await tester.pumpAndSettle();
expect(find.text('Invalid format.'), findsNothing);
// Edit the text, the error should not be showing until ok is tapped
await tester.enterText(find.byType(TextField), '1234567');
await tester.pumpAndSettle();
expect(find.text('Invalid format.'), findsNothing);
});
});
testWidgets('builder parameter', (WidgetTester tester) async {
Widget buildFrame(TextDirection textDirection) {
return MaterialApp(
home: Material(
child: Center(
child: Builder(
builder: (BuildContext context) {
return ElevatedButton(
child: const Text('X'),
onPressed: () {
showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime(2018),
lastDate: DateTime(2030),
builder: (BuildContext context, Widget? child) {
return Directionality(
textDirection: textDirection,
child: child ?? const SizedBox(),
);
},
);
},
);
},
),
),
),
);
}
await tester.pumpWidget(buildFrame(TextDirection.ltr));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final double ltrOkRight = tester.getBottomRight(find.text('OK')).dx;
await tester.tap(find.text('OK')); // Dismiss the dialog.
await tester.pumpAndSettle();
await tester.pumpWidget(buildFrame(TextDirection.rtl));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
// Verify that the time picker is being laid out RTL.
// We expect the left edge of the 'OK' button in the RTL
// layout to match the gap between right edge of the 'OK'
// button and the right edge of the 800 wide window.
expect(tester.getBottomLeft(find.text('OK')).dx, 800 - ltrOkRight);
});
testWidgets('uses nested navigator if useRootNavigator is false', (WidgetTester tester) async {
final _DatePickerObserver rootObserver = _DatePickerObserver();
final _DatePickerObserver nestedObserver = _DatePickerObserver();
await tester.pumpWidget(MaterialApp(
navigatorObservers: <NavigatorObserver>[rootObserver],
home: Navigator(
observers: <NavigatorObserver>[nestedObserver],
onGenerateRoute: (RouteSettings settings) {
return MaterialPageRoute<dynamic>(
builder: (BuildContext context) {
return ElevatedButton(
onPressed: () {
showDatePicker(
context: context,
useRootNavigator: false,
initialDate: DateTime.now(),
firstDate: DateTime(2018),
lastDate: DateTime(2030),
builder: (BuildContext context, Widget? child) => const SizedBox(),
);
},
child: const Text('Show Date Picker'),
);
},
);
},
),
));
// Open the dialog.
await tester.tap(find.byType(ElevatedButton));
expect(rootObserver.datePickerCount, 0);
expect(nestedObserver.datePickerCount, 1);
});
testWidgets('honors DialogTheme for shape and elevation', (WidgetTester tester) async {
// Test that the defaults work
const DialogTheme datePickerDefaultDialogTheme = DialogTheme(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(4.0)),
),
elevation: 24,
);
await tester.pumpWidget(
MaterialApp(
home: Center(
child: Builder(
builder: (BuildContext context) {
return ElevatedButton(
child: const Text('X'),
onPressed: () {
showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime(2018),
lastDate: DateTime(2030),
);
},
);
},
),
),
),
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final Material defaultDialogMaterial = tester.widget<Material>(find.descendant(of: find.byType(Dialog), matching: find.byType(Material)).first);
expect(defaultDialogMaterial.shape, datePickerDefaultDialogTheme.shape);
expect(defaultDialogMaterial.elevation, datePickerDefaultDialogTheme.elevation);
// Test that it honors ThemeData.dialogTheme settings
const DialogTheme customDialogTheme = DialogTheme(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(40.0)),
),
elevation: 50,
);
await tester.pumpWidget(
MaterialApp(
theme: ThemeData.fallback().copyWith(dialogTheme: customDialogTheme),
home: Center(
child: Builder(
builder: (BuildContext context) {
return ElevatedButton(
child: const Text('X'),
onPressed: () {
showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime(2018),
lastDate: DateTime(2030),
);
},
);
},
),
),
),
);
await tester.pump(); // start theme animation
await tester.pump(const Duration(seconds: 5)); // end theme animation
final Material themeDialogMaterial = tester.widget<Material>(find.descendant(of: find.byType(Dialog), matching: find.byType(Material)).first);
expect(themeDialogMaterial.shape, customDialogTheme.shape);
expect(themeDialogMaterial.elevation, customDialogTheme.elevation);
});
testWidgets('OK Cancel button layout', (WidgetTester tester) async {
Widget buildFrame(TextDirection textDirection) {
return MaterialApp(
home: Material(
child: Center(
child: Builder(
builder: (BuildContext context) {
return ElevatedButton(
child: const Text('X'),
onPressed: () {
showDatePicker(
context: context,
initialDate: DateTime(2016, DateTime.january, 15),
firstDate:DateTime(2001),
lastDate: DateTime(2031, DateTime.december, 31),
builder: (BuildContext context, Widget? child) {
return Directionality(
textDirection: textDirection,
child: child ?? const SizedBox(),
);
},
);
},
);
},
),
),
),
);
}
// Default landscape layout.
await tester.pumpWidget(buildFrame(TextDirection.ltr));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
expect(tester.getBottomRight(find.text('OK')).dx, 622);
expect(tester.getBottomLeft(find.text('OK')).dx, 594);
expect(tester.getBottomRight(find.text('CANCEL')).dx, 560);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
await tester.pumpWidget(buildFrame(TextDirection.rtl));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
expect(tester.getBottomRight(find.text('OK')).dx, 206);
expect(tester.getBottomLeft(find.text('OK')).dx, 178);
expect(tester.getBottomRight(find.text('CANCEL')).dx, 324);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
// Portrait layout.
addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
tester.binding.window.physicalSizeTestValue = const Size(900, 1200);
await tester.pumpWidget(buildFrame(TextDirection.ltr));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
expect(tester.getBottomRight(find.text('OK')).dx, 258);
expect(tester.getBottomLeft(find.text('OK')).dx, 230);
expect(tester.getBottomRight(find.text('CANCEL')).dx, 196);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
await tester.pumpWidget(buildFrame(TextDirection.rtl));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
expect(tester.getBottomRight(find.text('OK')).dx, 70);
expect(tester.getBottomLeft(find.text('OK')).dx, 42);
expect(tester.getBottomRight(find.text('CANCEL')).dx, 188);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
});
});
group('Calendar mode', () {
testWidgets('Can select a day', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('12'));
await tester.tap(find.text('OK'));
expect(await date, equals(DateTime(2016, DateTime.january, 12)));
});
});
testWidgets('Can select a month', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(previousMonthIcon);
await tester.pumpAndSettle(const Duration(seconds: 1));
await tester.tap(find.text('25'));
await tester.tap(find.text('OK'));
expect(await date, DateTime(2015, DateTime.december, 25));
});
});
testWidgets('Can select a year', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('January 2016')); // Switch to year mode.
await tester.pump();
await tester.tap(find.text('2018'));
await tester.pump();
expect(find.text('January 2018'), findsOneWidget);
});
});
testWidgets('Selecting date does not change displayed month', (WidgetTester tester) async {
initialDate = DateTime(2020, DateTime.march, 15);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(nextMonthIcon);
await tester.pumpAndSettle(const Duration(seconds: 1));
expect(find.text('April 2020'), findsOneWidget);
await tester.tap(find.text('25'));
await tester.pumpAndSettle();
expect(find.text('April 2020'), findsOneWidget);
// There isn't a 31 in April so there shouldn't be one if it is showing April
expect(find.text('31'), findsNothing);
});
});
testWidgets('Changing year does not change selected date', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('January 2016'));
await tester.pump();
await tester.tap(find.text('2018'));
await tester.pump();
await tester.tap(find.text('OK'));
expect(await date, equals(DateTime(2016, DateTime.january, 15)));
});
});
testWidgets('Changing year does not change the month', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(nextMonthIcon);
await tester.pumpAndSettle();
await tester.tap(nextMonthIcon);
await tester.pumpAndSettle();
await tester.tap(find.text('March 2016'));
await tester.pumpAndSettle();
await tester.tap(find.text('2018'));
await tester.pumpAndSettle();
expect(find.text('March 2018'), findsOneWidget);
});
});
testWidgets('Can select a year and then a day', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('January 2016')); // Switch to year mode.
await tester.pump();
await tester.tap(find.text('2017'));
await tester.pump();
await tester.tap(find.text('19'));
await tester.tap(find.text('OK'));
expect(await date, DateTime(2017, DateTime.january, 19));
});
});
testWidgets('Current year is visible in year picker', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('January 2016')); // Switch to year mode.
await tester.pump();
expect(find.text('2016'), findsOneWidget);
});
});
testWidgets('Cannot select a day outside bounds', (WidgetTester tester) async {
initialDate = DateTime(2017, DateTime.january, 15);
firstDate = initialDate;
lastDate = initialDate;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
// Earlier than firstDate. Should be ignored.
await tester.tap(find.text('10'));
// Later than lastDate. Should be ignored.
await tester.tap(find.text('20'));
await tester.tap(find.text('OK'));
// We should still be on the initial date.
expect(await date, initialDate);
});
});
testWidgets('Cannot select a month past last date', (WidgetTester tester) async {
initialDate = DateTime(2017, DateTime.january, 15);
firstDate = initialDate;
lastDate = DateTime(2017, DateTime.february, 20);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(nextMonthIcon);
await tester.pumpAndSettle(const Duration(seconds: 1));
// Shouldn't be possible to keep going into March.
expect(nextMonthIcon, findsNothing);
});
});
testWidgets('Cannot select a month before first date', (WidgetTester tester) async {
initialDate = DateTime(2017, DateTime.january, 15);
firstDate = DateTime(2016, DateTime.december, 10);
lastDate = initialDate;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(previousMonthIcon);
await tester.pumpAndSettle(const Duration(seconds: 1));
// Shouldn't be possible to keep going into November.
expect(previousMonthIcon, findsNothing);
});
});
testWidgets('Cannot select disabled year', (WidgetTester tester) async {
initialDate = DateTime(2018, DateTime.july, 4);
firstDate = DateTime(2018, DateTime.june, 9);
lastDate = DateTime(2018, DateTime.december, 15);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('July 2018')); // Switch to year mode.
await tester.pumpAndSettle();
await tester.tap(find.text('2016')); // Disabled, doesn't change the year.
await tester.pumpAndSettle();
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
expect(await date, DateTime(2018, DateTime.july, 4));
});
});
testWidgets('Selecting firstDate year respects firstDate', (WidgetTester tester) async {
initialDate = DateTime(2018, DateTime.may, 4);
firstDate = DateTime(2016, DateTime.june, 9);
lastDate = DateTime(2019, DateTime.january, 15);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('May 2018'));
await tester.pumpAndSettle();
await tester.tap(find.text('2016'));
await tester.pumpAndSettle();
// Month should be clamped to June as the range starts at June 2016
expect(find.text('June 2016'), findsOneWidget);
});
});
testWidgets('Selecting lastDate year respects lastDate', (WidgetTester tester) async {
initialDate = DateTime(2018, DateTime.may, 4);
firstDate = DateTime(2016, DateTime.june, 9);
lastDate = DateTime(2019, DateTime.january, 15);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('May 2018'));
await tester.pumpAndSettle();
await tester.tap(find.text('2019'));
await tester.pumpAndSettle();
// Month should be clamped to January as the range ends at January 2019
expect(find.text('January 2019'), findsOneWidget);
});
});
testWidgets('Only predicate days are selectable', (WidgetTester tester) async {
initialDate = DateTime(2017, DateTime.january, 16);
firstDate = DateTime(2017, DateTime.january, 10);
lastDate = DateTime(2017, DateTime.january, 20);
selectableDayPredicate = (DateTime day) => day.day.isEven;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('13')); // Odd, doesn't work.
await tester.tap(find.text('10')); // Even, works.
await tester.tap(find.text('17')); // Odd, doesn't work.
await tester.tap(find.text('OK'));
expect(await date, DateTime(2017, DateTime.january, 10));
});
});
testWidgets('Can select initial calendar picker mode', (WidgetTester tester) async {
initialDate = DateTime(2014, DateTime.january, 15);
initialCalendarMode = DatePickerMode.year;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.pump();
// 2018 wouldn't be available if the year picker wasn't showing.
// The initial current year is 2014.
await tester.tap(find.text('2018'));
await tester.pump();
expect(find.text('January 2018'), findsOneWidget);
});
});
testWidgets('currentDate is highlighted', (WidgetTester tester) async {
today = DateTime(2016, 1, 2);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.pump();
const Color todayColor = Color(0xff2196f3); // default primary color
expect(
Material.of(tester.element(find.text('2'))),
// The current day should be painted with a circle outline
paints..circle(color: todayColor, style: PaintingStyle.stroke, strokeWidth: 1.0),
);
});
});
testWidgets('Selecting date does not switch picker to year selection', (WidgetTester tester) async {
initialDate = DateTime(2020, DateTime.may, 10);
initialCalendarMode = DatePickerMode.year;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.pump();
await tester.tap(find.text('2017'));
await tester.pump();
expect(find.text('May 2017'), findsOneWidget);
await tester.tap(find.text('10'));
await tester.pump();
expect(find.text('May 2017'), findsOneWidget);
expect(find.text('2017'), findsNothing);
});
});
});
group('Input mode', () {
setUp(() {
firstDate = DateTime(2015);
lastDate = DateTime(2017, DateTime.december, 31);
initialDate = DateTime(2016, DateTime.january, 15);
initialEntryMode = DatePickerEntryMode.input;
});
testWidgets('Initial entry mode is used', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsOneWidget);
});
});
testWidgets('Hint, label, and help text is used', (WidgetTester tester) async {
cancelText = 'nope';
confirmText = 'yep';
fieldHintText = 'hint';
fieldLabelText = 'label';
helpText = 'help';
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.text(cancelText!), findsOneWidget);
expect(find.text(confirmText!), findsOneWidget);
expect(find.text(fieldHintText!), findsOneWidget);
expect(find.text(fieldLabelText!), findsOneWidget);
expect(find.text(helpText!), findsOneWidget);
});
});
testWidgets('KeyboardType is used', (WidgetTester tester) async {
keyboardType = TextInputType.text;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
final TextField field = textField(tester);
expect(field.keyboardType, TextInputType.text);
});
});
testWidgets('Initial date is the default', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
await tester.tap(find.text('OK'));
expect(await date, DateTime(2016, DateTime.january, 15));
});
});
testWidgets('Can toggle to calendar entry mode', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsOneWidget);
await tester.tap(find.byIcon(Icons.calendar_today));
await tester.pumpAndSettle();
expect(find.byType(TextField), findsNothing);
});
});
testWidgets('Toggle to calendar mode keeps selected date', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
final TextField field = textField(tester);
field.controller!.clear();
await tester.enterText(find.byType(TextField), '12/25/2016');
await tester.tap(find.byIcon(Icons.calendar_today));
await tester.pumpAndSettle();
await tester.tap(find.text('OK'));
expect(await date, DateTime(2016, DateTime.december, 25));
});
});
testWidgets('Entered text returns date', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
final TextField field = textField(tester);
field.controller!.clear();
await tester.enterText(find.byType(TextField), '12/25/2016');
await tester.tap(find.text('OK'));
expect(await date, DateTime(2016, DateTime.december, 25));
});
});
testWidgets('Too short entered text shows error', (WidgetTester tester) async {
errorFormatText = 'oops';
await prepareDatePicker(tester, (Future<DateTime?> date) async {
final TextField field = textField(tester);
field.controller!.clear();
await tester.pumpAndSettle();
await tester.enterText(find.byType(TextField), '1225');
expect(find.text(errorFormatText!), findsNothing);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
expect(find.text(errorFormatText!), findsOneWidget);
});
});
testWidgets('Bad format entered text shows error', (WidgetTester tester) async {
errorFormatText = 'oops';
await prepareDatePicker(tester, (Future<DateTime?> date) async {
final TextField field = textField(tester);
field.controller!.clear();
await tester.pumpAndSettle();
await tester.enterText(find.byType(TextField), '20 days, 3 months, 2003');
expect(find.text('20 days, 3 months, 2003'), findsOneWidget);
expect(find.text(errorFormatText!), findsNothing);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
expect(find.text(errorFormatText!), findsOneWidget);
});
});
testWidgets('Invalid entered text shows error', (WidgetTester tester) async {
errorInvalidText = 'oops';
await prepareDatePicker(tester, (Future<DateTime?> date) async {
final TextField field = textField(tester);
field.controller!.clear();
await tester.pumpAndSettle();
await tester.enterText(find.byType(TextField), '08/10/1969');
expect(find.text(errorInvalidText!), findsNothing);
await tester.tap(find.text('OK'));
await tester.pumpAndSettle();
expect(find.text(errorInvalidText!), findsOneWidget);
});
});
});
group('Semantics', () {
testWidgets('calendar mode', (WidgetTester tester) async {
final SemanticsHandle semantics = tester.ensureSemantics();
addTearDown(semantics.dispose);
await prepareDatePicker(tester, (Future<DateTime?> date) async {
// Header
expect(tester.getSemantics(find.text('SELECT DATE')), matchesSemantics(
label: 'SELECT DATE\nFri, Jan 15',
));
expect(tester.getSemantics(find.text('3')), matchesSemantics(
label: '3, Sunday, January 3, 2016, Today',
hasTapAction: true,
isFocusable: true,
));
// Input mode toggle button
expect(tester.getSemantics(switchToInputIcon), matchesSemantics(
tooltip: 'Switch to input',
isButton: true,
hasTapAction: true,
isEnabled: true,
hasEnabledState: true,
isFocusable: true,
));
// The semantics of the CalendarDatePicker are tested in its tests.
// Ok/Cancel buttons
expect(tester.getSemantics(find.text('OK')), matchesSemantics(
label: 'OK',
isButton: true,
hasTapAction: true,
isEnabled: true,
hasEnabledState: true,
isFocusable: true,
));
expect(tester.getSemantics(find.text('CANCEL')), matchesSemantics(
label: 'CANCEL',
isButton: true,
hasTapAction: true,
isEnabled: true,
hasEnabledState: true,
isFocusable: true,
));
});
});
testWidgets('input mode', (WidgetTester tester) async {
final SemanticsHandle semantics = tester.ensureSemantics();
addTearDown(semantics.dispose);
initialEntryMode = DatePickerEntryMode.input;
await prepareDatePicker(tester, (Future<DateTime?> date) async {
// Header
expect(tester.getSemantics(find.text('SELECT DATE')), matchesSemantics(
label: 'SELECT DATE\nFri, Jan 15',
));
// Input mode toggle button
expect(tester.getSemantics(switchToCalendarIcon), matchesSemantics(
tooltip: 'Switch to calendar',
isButton: true,
hasTapAction: true,
isEnabled: true,
hasEnabledState: true,
isFocusable: true,
));
// The semantics of the InputDatePickerFormField are tested in its tests.
// Ok/Cancel buttons
expect(tester.getSemantics(find.text('OK')), matchesSemantics(
label: 'OK',
isButton: true,
hasTapAction: true,
isEnabled: true,
hasEnabledState: true,
isFocusable: true,
));
expect(tester.getSemantics(find.text('CANCEL')), matchesSemantics(
label: 'CANCEL',
isButton: true,
hasTapAction: true,
isEnabled: true,
hasEnabledState: true,
isFocusable: true,
));
});
});
});
group('Keyboard navigation', () {
testWidgets('Can toggle to calendar entry mode', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.byType(TextField), findsNothing);
// Navigate to the entry toggle button and activate it
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
// Should be in the input mode
expect(find.byType(TextField), findsOneWidget);
});
});
testWidgets('Can toggle to year mode', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.text('2016'), findsNothing);
// Navigate to the year selector and activate it
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
// The years should be visible
expect(find.text('2016'), findsOneWidget);
});
});
testWidgets('Can navigate next/previous months', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
expect(find.text('January 2016'), findsOneWidget);
// Navigate to the previous month button and activate it twice
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
// Should be showing Nov 2015
expect(find.text('November 2015'), findsOneWidget);
// Navigate to the next month button and activate it four times
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
// Should be on Mar 2016
expect(find.text('March 2016'), findsOneWidget);
});
});
testWidgets('Can navigate date grid with arrow keys', (WidgetTester tester) async {
await prepareDatePicker(tester, (Future<DateTime?> date) async {
// Navigate to the grid
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
// Navigate from Jan 15 to Jan 18 with arrow keys
await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
await tester.pumpAndSettle();
// Activate it
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
// Navigate out of the grid and to the OK button
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
await tester.sendKeyEvent(LogicalKeyboardKey.tab);
// Activate OK
await tester.sendKeyEvent(LogicalKeyboardKey.space);
await tester.pumpAndSettle();
// Should have selected Jan 18
expect(await date, DateTime(2016, DateTime.january, 18));
});
});
testWidgets('Navigating with arrow keys scrolls months', (WidgetTester tester) async {