2d2edbf70b
Fixed several layout issues with the material date picker. Mostly just removed hard coded sizes to allow the grid view to scroll instead of overflowing.
304 lines
10 KiB
Dart
304 lines
10 KiB
Dart
// Copyright 2016 The Chromium 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:intl/intl.dart' as intl;
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import 'package:flutter/material.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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DateTime firstDate;
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DateTime lastDate;
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DateTime initialDate;
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setUp(() {
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firstDate = DateTime(2001, DateTime.january, 1);
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lastDate = DateTime(2031, DateTime.december, 31);
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initialDate = DateTime(2016, DateTime.january, 15);
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});
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group(DayPicker, () {
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final intl.NumberFormat arabicNumbers = intl.NumberFormat('0', 'ar');
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final Map<Locale, Map<String, dynamic>> testLocales = <Locale, Map<String, dynamic>>{
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// Tests the default.
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const Locale('en', 'US'): <String, dynamic>{
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'textDirection': TextDirection.ltr,
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'expectedDaysOfWeek': <String>['S', 'M', 'T', 'W', 'T', 'F', 'S'],
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'expectedDaysOfMonth': List<String>.generate(30, (int i) => '${i + 1}'),
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'expectedMonthYearHeader': 'September 2017',
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},
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// Tests a different first day of week.
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const Locale('ru', 'RU'): <String, dynamic>{
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'textDirection': TextDirection.ltr,
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'expectedDaysOfWeek': <String>['пн', 'вт', 'ср', 'чт', 'пт', 'сб', 'вс'],
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'expectedDaysOfMonth': List<String>.generate(30, (int i) => '${i + 1}'),
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'expectedMonthYearHeader': 'сентябрь 2017 г.',
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},
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const Locale('ro', 'RO'): <String, dynamic>{
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'textDirection': TextDirection.ltr,
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'expectedDaysOfWeek': <String>['D', 'L', 'M', 'M', 'J', 'V', 'S'],
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'expectedDaysOfMonth': List<String>.generate(30, (int i) => '${i + 1}'),
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'expectedMonthYearHeader': 'septembrie 2017',
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},
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// Tests RTL.
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const Locale('ar', 'AR'): <String, dynamic>{
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'textDirection': TextDirection.rtl,
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'expectedDaysOfWeek': <String>['ح', 'ن', 'ث', 'ر', 'خ', 'ج', 'س'],
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'expectedDaysOfMonth': List<String>.generate(30, (int i) => '${arabicNumbers.format(i + 1)}'),
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'expectedMonthYearHeader': 'سبتمبر ٢٠١٧',
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},
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};
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for (Locale locale in testLocales.keys) {
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testWidgets('shows dates for $locale', (WidgetTester tester) async {
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final List<String> expectedDaysOfWeek = testLocales[locale]['expectedDaysOfWeek'];
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final List<String> expectedDaysOfMonth = testLocales[locale]['expectedDaysOfMonth'];
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final String expectedMonthYearHeader = testLocales[locale]['expectedMonthYearHeader'];
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final TextDirection textDirection = testLocales[locale]['textDirection'];
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final DateTime baseDate = DateTime(2017, 9, 27);
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await _pumpBoilerplate(tester, DayPicker(
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selectedDate: baseDate,
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currentDate: baseDate,
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onChanged: (DateTime newValue) { },
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firstDate: baseDate.subtract(const Duration(days: 90)),
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lastDate: baseDate.add(const Duration(days: 90)),
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displayedMonth: baseDate,
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), locale: locale, textDirection: textDirection);
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expect(find.text(expectedMonthYearHeader), findsOneWidget);
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for (String dayOfWeek in expectedDaysOfWeek) {
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expect(find.text(dayOfWeek), findsWidgets);
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}
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Offset previousCellOffset;
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for (String dayOfMonth in expectedDaysOfMonth) {
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final Finder dayCell = find.descendant(of: find.byType(GridView), matching: find.text(dayOfMonth));
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expect(dayCell, findsOneWidget);
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// Check that cells are correctly positioned relative to each other,
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// taking text direction into account.
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final Offset offset = tester.getCenter(dayCell);
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if (previousCellOffset != null) {
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if (textDirection == TextDirection.ltr) {
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expect(offset.dx > previousCellOffset.dx && offset.dy == previousCellOffset.dy || offset.dy > previousCellOffset.dy, true);
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} else {
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expect(offset.dx < previousCellOffset.dx && offset.dy == previousCellOffset.dy || offset.dy > previousCellOffset.dy, true);
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}
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}
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previousCellOffset = offset;
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}
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});
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}
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});
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testWidgets('locale parameter overrides ambient locale', (WidgetTester tester) async {
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await tester.pumpWidget(MaterialApp(
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locale: const Locale('en', 'US'),
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supportedLocales: const <Locale>[
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Locale('en', 'US'),
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Locale('fr', 'CA'),
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],
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localizationsDelegates: GlobalMaterialLocalizations.delegates,
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home: Material(
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child: Builder(
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builder: (BuildContext context) {
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return FlatButton(
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onPressed: () async {
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await showDatePicker(
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context: context,
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initialDate: initialDate,
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firstDate: firstDate,
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lastDate: lastDate,
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locale: const Locale('fr', 'CA'),
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);
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},
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child: const Text('X'),
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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 tester.tap(find.text('X'));
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await tester.pumpAndSettle(const Duration(seconds: 1));
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final Element dayPicker = tester.element(find.byType(DayPicker));
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expect(
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Localizations.localeOf(dayPicker),
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const Locale('fr', 'CA'),
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);
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expect(
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Directionality.of(dayPicker),
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TextDirection.ltr,
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);
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await tester.tap(find.text('ANNULER'));
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});
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testWidgets('textDirection parameter overrides ambient textDirection', (WidgetTester tester) async {
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await tester.pumpWidget(MaterialApp(
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locale: const Locale('en', 'US'),
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supportedLocales: const <Locale>[
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Locale('en', 'US'),
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],
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home: Material(
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child: Builder(
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builder: (BuildContext context) {
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return FlatButton(
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onPressed: () async {
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await showDatePicker(
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context: context,
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initialDate: initialDate,
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firstDate: firstDate,
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lastDate: lastDate,
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textDirection: TextDirection.rtl,
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);
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},
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child: const Text('X'),
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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 tester.tap(find.text('X'));
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await tester.pumpAndSettle(const Duration(seconds: 1));
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final Element dayPicker = tester.element(find.byType(DayPicker));
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expect(
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Directionality.of(dayPicker),
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TextDirection.rtl,
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);
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await tester.tap(find.text('CANCEL'));
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});
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testWidgets('textDirection parameter takes precedence over locale parameter', (WidgetTester tester) async {
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await tester.pumpWidget(MaterialApp(
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locale: const Locale('en', 'US'),
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supportedLocales: const <Locale>[
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Locale('en', 'US'),
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Locale('fr', 'CA'),
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],
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localizationsDelegates: GlobalMaterialLocalizations.delegates,
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home: Material(
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child: Builder(
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builder: (BuildContext context) {
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return FlatButton(
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onPressed: () async {
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await showDatePicker(
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context: context,
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initialDate: initialDate,
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firstDate: firstDate,
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lastDate: lastDate,
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locale: const Locale('fr', 'CA'),
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textDirection: TextDirection.rtl,
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);
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},
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child: const Text('X'),
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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 tester.tap(find.text('X'));
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await tester.pumpAndSettle(const Duration(seconds: 1));
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final Element dayPicker = tester.element(find.byType(DayPicker));
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expect(
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Localizations.localeOf(dayPicker),
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const Locale('fr', 'CA'),
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);
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expect(
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Directionality.of(dayPicker),
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TextDirection.rtl,
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);
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await tester.tap(find.text('ANNULER'));
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});
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group('locale fonts don\'t overflow layout', () {
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// Test screen layouts in various locales to ensure the fonts used
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// don't overflow the layout
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// Common screen size roughly based on a Pixel 1
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const Size kCommonScreenSizePortrait = Size(1070, 1770);
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const Size kCommonScreenSizeLandscape = Size(1770, 1070);
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Future<void> _showPicker(WidgetTester tester, Locale locale, Size size) async {
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tester.binding.window.physicalSizeTestValue = size;
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tester.binding.window.devicePixelRatioTestValue = 1.0;
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await tester.pumpWidget(
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MaterialApp(
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home: Builder(
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builder: (BuildContext context) {
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return Localizations(
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locale: locale,
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delegates: GlobalMaterialLocalizations.delegates,
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child: RaisedButton(
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child: const Text('X'),
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onPressed: () {
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showDatePicker(
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context: context,
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initialDate: initialDate,
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firstDate: firstDate,
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lastDate: lastDate,
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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 tester.tap(find.text('X'));
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await tester.pumpAndSettle();
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}
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// Regression test for https://github.com/flutter/flutter/issues/20171
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testWidgets('common screen size - portrait - Chinese', (WidgetTester tester) async {
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await _showPicker(tester, const Locale('zh', 'CN'), kCommonScreenSizePortrait);
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expect(tester.takeException(), isNull);
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});
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testWidgets('common screen size - landscape - Chinese', (WidgetTester tester) async {
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await _showPicker(tester, const Locale('zh', 'CN'), kCommonScreenSizeLandscape);
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expect(tester.takeException(), isNull);
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});
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testWidgets('common screen size - portrait - Japanese', (WidgetTester tester) async {
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await _showPicker(tester, const Locale('ja', 'JA'), kCommonScreenSizePortrait);
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expect(tester.takeException(), isNull);
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});
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testWidgets('common screen size - landscape - Japanese', (WidgetTester tester) async {
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await _showPicker(tester, const Locale('ja', 'JA'), kCommonScreenSizeLandscape);
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expect(tester.takeException(), isNull);
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});
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});
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}
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Future<void> _pumpBoilerplate(
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WidgetTester tester,
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Widget child, {
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Locale locale = const Locale('en', 'US'),
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TextDirection textDirection = TextDirection.ltr,
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}) async {
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await tester.pumpWidget(Directionality(
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textDirection: TextDirection.ltr,
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child: Localizations(
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locale: locale,
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delegates: GlobalMaterialLocalizations.delegates,
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child: child,
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),
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));
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}
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