// 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 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:intl/intl.dart'; import 'feedback_tester.dart'; void main() { DateTime firstDate; DateTime lastDate; DateTime initialDate; SelectableDayPredicate selectableDayPredicate; setUp(() { firstDate = new DateTime(2001, DateTime.JANUARY, 1); lastDate = new DateTime(2031, DateTime.DECEMBER, 31); initialDate = new DateTime(2016, DateTime.JANUARY, 15); }); testWidgets('tap-select a day', (WidgetTester tester) async { final Key _datePickerKey = new UniqueKey(); DateTime _selectedDate = new DateTime(2016, DateTime.JULY, 26); await tester.pumpWidget( new Overlay( initialEntries: <OverlayEntry>[ new OverlayEntry( builder: (BuildContext context) => new StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return new Positioned( width: 400.0, child: new SingleChildScrollView( child: new Material( child: new MonthPicker( firstDate: new DateTime(0), lastDate: new DateTime(9999), key: _datePickerKey, selectedDate: _selectedDate, onChanged: (DateTime value) { setState(() { _selectedDate = value; }); }, ), ), ), ); }, ), ), ], ), ); expect(_selectedDate, equals(new DateTime(2016, DateTime.JULY, 26))); await tester.tapAt(const Offset(50.0, 100.0)); expect(_selectedDate, equals(new DateTime(2016, DateTime.JULY, 26))); await tester.pump(const Duration(seconds: 2)); await tester.tapAt(const Offset(300.0, 100.0)); expect(_selectedDate, equals(new DateTime(2016, DateTime.JULY, 1))); await tester.pump(const Duration(seconds: 2)); await tester.tapAt(const Offset(380.0, 20.0)); await tester.pumpAndSettle(const Duration(milliseconds: 100)); expect(_selectedDate, equals(new DateTime(2016, DateTime.JULY, 1))); await tester.tapAt(const Offset(300.0, 100.0)); expect(_selectedDate, equals(new DateTime(2016, DateTime.AUGUST, 5))); await tester.pump(const Duration(seconds: 2)); await tester.drag(find.byKey(_datePickerKey), const Offset(-300.0, 0.0)); await tester.pumpAndSettle(const Duration(milliseconds: 100)); expect(_selectedDate, equals(new DateTime(2016, DateTime.AUGUST, 5))); await tester.tapAt(const Offset(45.0, 270.0)); expect(_selectedDate, equals(new DateTime(2016, DateTime.SEPTEMBER, 25))); await tester.pump(const Duration(seconds: 2)); await tester.drag(find.byKey(_datePickerKey), const Offset(300.0, 0.0)); await tester.pumpAndSettle(const Duration(milliseconds: 100)); expect(_selectedDate, equals(new DateTime(2016, DateTime.SEPTEMBER, 25))); await tester.tapAt(const Offset(210.0, 180.0)); expect(_selectedDate, equals(new DateTime(2016, DateTime.AUGUST, 17))); }); testWidgets('render picker with intrinsic dimensions', (WidgetTester tester) async { await tester.pumpWidget( new Overlay( initialEntries: <OverlayEntry>[ new OverlayEntry( builder: (BuildContext context) => new StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return new IntrinsicWidth( child: new IntrinsicHeight( child: new Material( child: new SingleChildScrollView( child: new MonthPicker( firstDate: new DateTime(0), lastDate: new DateTime(9999), onChanged: (DateTime value) { }, selectedDate: new DateTime(2000, DateTime.JANUARY, 1), ), ), ), ), ); }, ), ), ], ), ); await tester.pump(const Duration(seconds: 5)); }); Future<Null> preparePicker(WidgetTester tester, Future<Null> callback(Future<DateTime> date)) async { BuildContext buttonContext; await tester.pumpWidget(new MaterialApp( home: new Material( child: new Builder( builder: (BuildContext context) { return new RaisedButton( 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, selectableDayPredicate: selectableDayPredicate ); await tester.pumpAndSettle(const Duration(seconds: 1)); await callback(date); } testWidgets('Initial date is the default', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2016, DateTime.JANUARY, 15))); }); }); testWidgets('Can cancel', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('CANCEL')); expect(await date, isNull); }); }); testWidgets('Can select a day', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('12')); await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2016, DateTime.JANUARY, 12))); }); }); testWidgets('Can select a month', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.byTooltip('Previous month')); await tester.pumpAndSettle(const Duration(seconds: 1)); await tester.tap(find.text('25')); await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2015, DateTime.DECEMBER, 25))); }); }); testWidgets('Can select a year', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('2016')); await tester.pump(); await tester.tap(find.text('2018')); await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2018, DateTime.JANUARY, 15))); }); }); testWidgets('Can select a year and then a day', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('2016')); await tester.pump(); await tester.tap(find.text('2017')); await tester.pump(); final String dayLabel = new DateFormat('E, MMM\u00a0d').format(new DateTime(2017, DateTime.JANUARY, 15)); await tester.tap(find.text(dayLabel)); await tester.pump(); await tester.tap(find.text('19')); await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2017, DateTime.JANUARY, 19))); }); }); testWidgets('Current year is initially visible in year picker', (WidgetTester tester) async { initialDate = new DateTime(2000); firstDate = new DateTime(1900); lastDate = new DateTime(2100); await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('2000')); await tester.pump(); expect(find.text('2000'), findsNWidgets(2)); }); }); testWidgets('Cannot select a day outside bounds', (WidgetTester tester) async { initialDate = new DateTime(2017, DateTime.JANUARY, 15); firstDate = initialDate; lastDate = initialDate; await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('10')); // Earlier than firstDate. Should be ignored. await tester.tap(find.text('20')); // Later than lastDate. Should be ignored. await tester.tap(find.text('OK')); // We should still be on the initial date. expect(await date, equals(initialDate)); }); }); testWidgets('Cannot select a month past last date', (WidgetTester tester) async { initialDate = new DateTime(2017, DateTime.JANUARY, 15); firstDate = initialDate; lastDate = new DateTime(2017, DateTime.FEBRUARY, 20); await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.byTooltip('Next month')); await tester.pumpAndSettle(const Duration(seconds: 1)); // Shouldn't be possible to keep going into March. await tester.tap(find.byTooltip('Next month')); await tester.pumpAndSettle(const Duration(seconds: 1)); // We're still in February await tester.tap(find.text('20')); // Days outside bound for new month pages also disabled. await tester.tap(find.text('25')); await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2017, DateTime.FEBRUARY, 20))); }); }); testWidgets('Cannot select a month before first date', (WidgetTester tester) async { initialDate = new DateTime(2017, DateTime.JANUARY, 15); firstDate = new DateTime(2016, DateTime.DECEMBER, 10); lastDate = initialDate; await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.byTooltip('Previous month')); await tester.pumpAndSettle(const Duration(seconds: 1)); // Shouldn't be possible to keep going into November. await tester.tap(find.byTooltip('Previous month')); await tester.pumpAndSettle(const Duration(seconds: 1)); // We're still in December await tester.tap(find.text('10')); // Days outside bound for new month pages also disabled. await tester.tap(find.text('5')); await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2016, DateTime.DECEMBER, 10))); }); }); testWidgets('Only predicate days are selectable', (WidgetTester tester) async { initialDate = new DateTime(2017, DateTime.JANUARY, 16); firstDate = new DateTime(2017, DateTime.JANUARY, 10); lastDate = new DateTime(2017, DateTime.JANUARY, 20); selectableDayPredicate = (DateTime day) => day.day.isEven; await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('10')); // Even, works. await tester.tap(find.text('13')); // Odd, doesn't work. await tester.tap(find.text('17')); // Odd, doesn't work. await tester.tap(find.text('OK')); expect(await date, equals(new DateTime(2017, DateTime.JANUARY, 10))); }); }); group('haptic feedback', () { const Duration kHapticFeedbackInterval = const Duration(milliseconds: 10); FeedbackTester feedback; setUp(() { feedback = new FeedbackTester(); initialDate = new DateTime(2017, DateTime.JANUARY, 16); firstDate = new DateTime(2017, DateTime.JANUARY, 10); lastDate = new DateTime(2018, DateTime.JANUARY, 20); selectableDayPredicate = (DateTime date) => date.day.isEven; }); tearDown(() { feedback?.dispose(); }); testWidgets('tap-select date vibrates', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('10')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 1); await tester.tap(find.text('12')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 2); await tester.tap(find.text('14')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 3); }); }); testWidgets('tap-select unselectable date does not vibrate', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('11')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 0); await tester.tap(find.text('13')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 0); await tester.tap(find.text('15')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 0); }); }); testWidgets('mode, year change vibrates', (WidgetTester tester) async { await preparePicker(tester, (Future<DateTime> date) async { await tester.tap(find.text('2017')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 1); await tester.tap(find.text('2018')); await tester.pump(kHapticFeedbackInterval); expect(feedback.hapticCount, 2); }); }); }); test('days in month', () { expect(DayPicker.getDaysInMonth(2017, 10), 31); expect(DayPicker.getDaysInMonth(2017, 6), 30); expect(DayPicker.getDaysInMonth(2017, 2), 28); expect(DayPicker.getDaysInMonth(2016, 2), 29); expect(DayPicker.getDaysInMonth(2000, 2), 29); expect(DayPicker.getDaysInMonth(1900, 2), 28); }); }