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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/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import '../widgets/editable_text_utils.dart' show textOffsetToPosition;
class MockClipboard {
Object _clipboardData = <String, dynamic>{
'text': null,
};
Future<dynamic> handleMethodCall(MethodCall methodCall) async {
switch (methodCall.method) {
case 'Clipboard.getData':
return _clipboardData;
case 'Clipboard.setData':
_clipboardData = methodCall.arguments! as Object;
break;
}
}
}
class _LongCupertinoLocalizationsDelegate extends LocalizationsDelegate<CupertinoLocalizations> {
const _LongCupertinoLocalizationsDelegate();
@override
bool isSupported(Locale locale) => locale.languageCode == 'en';
@override
Future<_LongCupertinoLocalizations> load(Locale locale) => _LongCupertinoLocalizations.load(locale);
@override
bool shouldReload(_LongCupertinoLocalizationsDelegate old) => false;
@override
String toString() => '_LongCupertinoLocalizations.delegate(en_US)';
}
class _LongCupertinoLocalizations extends DefaultCupertinoLocalizations {
const _LongCupertinoLocalizations();
@override
String get cutButtonLabel => 'Cutttttttttttttttttttttttttttttttttttttttttttt';
@override
String get copyButtonLabel => 'Copyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy';
@override
String get pasteButtonLabel => 'Pasteeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee';
@override
String get selectAllButtonLabel => 'Select Allllllllllllllllllllllllllllllll';
static Future<_LongCupertinoLocalizations> load(Locale locale) {
return SynchronousFuture<_LongCupertinoLocalizations>(const _LongCupertinoLocalizations());
}
static const LocalizationsDelegate<CupertinoLocalizations> delegate = _LongCupertinoLocalizationsDelegate();
}
const _LongCupertinoLocalizations longLocalizations = _LongCupertinoLocalizations();
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
final MockClipboard mockClipboard = MockClipboard();
SystemChannels.platform.setMockMethodCallHandler(mockClipboard.handleMethodCall);
// Returns true iff the button is visually enabled.
bool appearsEnabled(WidgetTester tester, String text) {
final CupertinoButton button = tester.widget<CupertinoButton>(
find.ancestor(
of: find.text(text),
matching: find.byType(CupertinoButton),
),
);
// Disabled buttons have no opacity change when pressed.
return button.pressedOpacity! < 1.0;
}
group('canSelectAll', () {
Widget createEditableText({
Key? key,
String? text,
TextSelection? selection,
}) {
final TextEditingController controller = TextEditingController(text: text)
..selection = selection ?? const TextSelection.collapsed(offset: -1);
return CupertinoApp(
home: EditableText(
key: key,
controller: controller,
focusNode: FocusNode(),
style: const TextStyle(),
cursorColor: const Color.fromARGB(0, 0, 0, 0),
backgroundCursorColor: const Color.fromARGB(0, 0, 0, 0),
),
);
}
testWidgets('should return false when there is no text', (WidgetTester tester) async {
final GlobalKey<EditableTextState> key = GlobalKey();
await tester.pumpWidget(createEditableText(key: key));
expect(cupertinoTextSelectionControls.canSelectAll(key.currentState!), false);
});
testWidgets('should return true when there is text and collapsed selection', (WidgetTester tester) async {
final GlobalKey<EditableTextState> key = GlobalKey();
await tester.pumpWidget(createEditableText(
key: key,
text: '123',
));
expect(cupertinoTextSelectionControls.canSelectAll(key.currentState!), true);
});
testWidgets('should return false when there is text and partial uncollapsed selection', (WidgetTester tester) async {
final GlobalKey<EditableTextState> key = GlobalKey();
await tester.pumpWidget(createEditableText(
key: key,
text: '123',
selection: const TextSelection(baseOffset: 1, extentOffset: 2),
));
expect(cupertinoTextSelectionControls.canSelectAll(key.currentState!), false);
});
testWidgets('should return false when there is text and full selection', (WidgetTester tester) async {
final GlobalKey<EditableTextState> key = GlobalKey();
await tester.pumpWidget(createEditableText(
key: key,
text: '123',
selection: const TextSelection(baseOffset: 0, extentOffset: 3),
));
expect(cupertinoTextSelectionControls.canSelectAll(key.currentState!), false);
});
});
group('cupertino handles', () {
testWidgets('draws transparent handle correctly', (WidgetTester tester) async {
await tester.pumpWidget(RepaintBoundary(
child: CupertinoTheme(
data: const CupertinoThemeData(
primaryColor: Color(0x550000AA),
),
child: Builder(
builder: (BuildContext context) {
return Container(
color: CupertinoColors.white,
height: 800,
width: 800,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 250),
child: FittedBox(
child: cupertinoTextSelectionControls.buildHandle(
context,
TextSelectionHandleType.right,
10.0,
),
),
),
);
},
),
),
));
await expectLater(
find.byType(RepaintBoundary),
matchesGoldenFile('text_selection.handle.transparent.png'),
);
});
});
// TODO(justinmc): https://github.com/flutter/flutter/issues/60145
testWidgets('Paste always appears regardless of clipboard content on iOS', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(
text: 'Atwater Peel Sherbrooke Bonaventure',
);
await tester.pumpWidget(
CupertinoApp(
home: Column(
children: <Widget>[
CupertinoTextField(
controller: controller,
),
],
),
),
);
// Make sure the clipboard is empty to start.
await Clipboard.setData(const ClipboardData(text: ''));
// Double tap to select the first word.
const int index = 4;
await tester.tapAt(textOffsetToPosition(tester, index));
await tester.pump(const Duration(milliseconds: 50));
await tester.tapAt(textOffsetToPosition(tester, index));
await tester.pumpAndSettle();
expect(controller.selection.isCollapsed, isFalse);
expect(controller.selection.baseOffset, 0);
expect(controller.selection.extentOffset, 7);
// Paste is showing even though clipboard is empty.
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Cut'), findsOneWidget);
expect(find.descendant(
of: find.byType(Overlay),
matching: find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_TextSelectionHandleOverlay'),
), findsNWidgets(2));
// Tap copy to add something to the clipboard and close the menu.
await tester.tapAt(tester.getCenter(find.text('Copy')));
await tester.pumpAndSettle();
// The menu is gone, but the handles are visible on the existing selection.
expect(find.text('Copy'), findsNothing);
expect(find.text('Cut'), findsNothing);
expect(find.text('Paste'), findsNothing);
expect(controller.selection.isCollapsed, isFalse);
expect(controller.selection.baseOffset, 0);
expect(controller.selection.extentOffset, 7);
expect(find.descendant(
of: find.byType(Overlay),
matching: find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_TextSelectionHandleOverlay'),
), findsNWidgets(2));
// Double tap to show the menu again.
await tester.tapAt(textOffsetToPosition(tester, index));
await tester.pump(const Duration(milliseconds: 50));
await tester.tapAt(textOffsetToPosition(tester, index));
await tester.pumpAndSettle();
// Paste still shows.
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Cut'), findsOneWidget);
},
skip: isBrowser, // We do not use Flutter-rendered context menu on the Web
variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }),
);
group('Text selection menu overflow (iOS)', () {
testWidgets('All menu items show when they fit.', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'abc def ghi');
await tester.pumpWidget(CupertinoApp(
home: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800.0, 600.0)),
child: Center(
child: CupertinoTextField(
controller: controller,
),
),
),
),
));
// Initially, the menu isn't shown at all.
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsNothing);
// Long press on an empty space to show the selection menu.
await tester.longPressAt(textOffsetToPosition(tester, 4));
await tester.pumpAndSettle();
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Select All'), findsOneWidget);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsNothing);
// Double tap to select a word and show the full selection menu.
final Offset textOffset = textOffsetToPosition(tester, 1);
await tester.tapAt(textOffset);
await tester.pump(const Duration(milliseconds: 200));
await tester.tapAt(textOffset);
await tester.pumpAndSettle();
// The full menu is shown without the navigation buttons.
expect(find.text('Cut'), findsOneWidget);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsNothing);
},
skip: isBrowser, // We do not use Flutter-rendered context menu on the Web
variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }),
);
testWidgets('When a menu item doesn\'t fit, a second page is used.', (WidgetTester tester) async {
// Set the screen size to more narrow, so that Paste can't fit.
tester.binding.window.physicalSizeTestValue = const Size(800, 800);
addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
final TextEditingController controller = TextEditingController(text: 'abc def ghi');
await tester.pumpWidget(CupertinoApp(
home: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800.0, 600.0)),
child: Center(
child: CupertinoTextField(
controller: controller,
),
),
),
),
));
// Initially, the menu isn't shown at all.
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsNothing);
// Double tap to select a word and show the selection menu.
final Offset textOffset = textOffsetToPosition(tester, 1);
await tester.tapAt(textOffset);
await tester.pump(const Duration(milliseconds: 200));
await tester.tapAt(textOffset);
await tester.pumpAndSettle();
// The last button is missing, and a next button is shown.
expect(find.text('Cut'), findsOneWidget);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
// Tapping the next button shows the overflowing button.
await tester.tap(find.text('▶'));
await tester.pumpAndSettle();
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), false);
// Tapping the back button shows the first page again.
await tester.tap(find.text('◀'));
await tester.pumpAndSettle();
expect(find.text('Cut'), findsOneWidget);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
},
skip: isBrowser, // We do not use Flutter-rendered context menu on the Web
variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }),
);
testWidgets('A smaller menu puts each button on its own page.', (WidgetTester tester) async {
// Set the screen size to more narrow, so that two buttons can't fit on
// the same page.
tester.binding.window.physicalSizeTestValue = const Size(640, 800);
addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
final TextEditingController controller = TextEditingController(text: 'abc def ghi');
await tester.pumpWidget(CupertinoApp(
home: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800.0, 600.0)),
child: Center(
child: CupertinoTextField(
controller: controller,
),
),
),
),
));
// Initially, the menu isn't shown at all.
expect(find.byType(CupertinoButton), findsNothing);
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsNothing);
// Double tap to select a word and show the selection menu.
final Offset textOffset = textOffsetToPosition(tester, 1);
await tester.tapAt(textOffset);
await tester.pump(const Duration(milliseconds: 200));
await tester.tapAt(textOffset);
await tester.pumpAndSettle();
// Only the first button fits, and a next button is shown.
expect(find.byType(CupertinoButton), findsNWidgets(2));
expect(find.text('Cut'), findsOneWidget);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
// Tapping the next button shows Copy.
await tester.tap(find.text('▶'));
await tester.pumpAndSettle();
expect(find.byType(CupertinoButton), findsNWidgets(3));
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
// Tapping the next button again shows Paste.
await tester.tap(find.text('▶'));
await tester.pumpAndSettle();
expect(find.byType(CupertinoButton), findsNWidgets(3));
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), false);
// Tapping the back button shows the second page again.
await tester.tap(find.text('◀'));
await tester.pumpAndSettle();
expect(find.byType(CupertinoButton), findsNWidgets(3));
expect(find.text('Cut'), findsNothing);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
// Tapping the back button again shows the first page again.
await tester.tap(find.text('◀'));
await tester.pumpAndSettle();
expect(find.byType(CupertinoButton), findsNWidgets(2));
expect(find.text('Cut'), findsOneWidget);
expect(find.text('Copy'), findsNothing);
expect(find.text('Paste'), findsNothing);
expect(find.text('Select All'), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
},
skip: isBrowser, // We do not use Flutter-rendered context menu on the Web
variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }),
);
testWidgets('Handles very long locale strings', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'abc def ghi');
await tester.pumpWidget(CupertinoApp(
locale: const Locale('en', 'us'),
localizationsDelegates: const <LocalizationsDelegate<dynamic>>[
_LongCupertinoLocalizations.delegate,
DefaultWidgetsLocalizations.delegate,
DefaultMaterialLocalizations.delegate,
],
home: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800.0, 600.0)),
child: Center(
child: CupertinoTextField(
controller: controller,
),
),
),
),
));
// Initially, the menu isn't shown at all.
expect(find.text(longLocalizations.cutButtonLabel), findsNothing);
expect(find.text(longLocalizations.copyButtonLabel), findsNothing);
expect(find.text(longLocalizations.pasteButtonLabel), findsNothing);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsNothing);
// Long press on an empty space to show the selection menu, with only the
// paste button visible.
await tester.longPressAt(textOffsetToPosition(tester, 4));
await tester.pumpAndSettle();
expect(find.text(longLocalizations.cutButtonLabel), findsNothing);
expect(find.text(longLocalizations.copyButtonLabel), findsNothing);
expect(find.text(longLocalizations.pasteButtonLabel), findsOneWidget);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
// Tap next to go to the second and final page.
await tester.tap(find.text('▶'));
await tester.pumpAndSettle();
expect(find.text(longLocalizations.cutButtonLabel), findsNothing);
expect(find.text(longLocalizations.copyButtonLabel), findsNothing);
expect(find.text(longLocalizations.pasteButtonLabel), findsNothing);
expect(find.text(longLocalizations.selectAllButtonLabel), findsOneWidget);
expect(find.text('◀'), findsOneWidget);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(appearsEnabled(tester, '▶'), false);
// Tap select all to show the full selection menu.
await tester.tap(find.text(longLocalizations.selectAllButtonLabel));
await tester.pumpAndSettle();
// Only one button fits on each page.
expect(find.text(longLocalizations.cutButtonLabel), findsOneWidget);
expect(find.text(longLocalizations.copyButtonLabel), findsNothing);
expect(find.text(longLocalizations.pasteButtonLabel), findsNothing);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
// Tap next to go to the second page.
await tester.tap(find.text('▶'));
await tester.pumpAndSettle();
expect(find.text(longLocalizations.cutButtonLabel), findsNothing);
expect(find.text(longLocalizations.copyButtonLabel), findsOneWidget);
expect(find.text(longLocalizations.pasteButtonLabel), findsNothing);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(appearsEnabled(tester, '▶'), true);
// Tap next to go to the third and final page.
await tester.tap(find.text('▶'));
await tester.pumpAndSettle();
expect(find.text(longLocalizations.cutButtonLabel), findsNothing);
expect(find.text(longLocalizations.copyButtonLabel), findsNothing);
expect(find.text(longLocalizations.pasteButtonLabel), findsOneWidget);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(appearsEnabled(tester, '▶'), false);
// Tap back to go to the second page again.
await tester.tap(find.text('◀'));
await tester.pumpAndSettle();
expect(find.text(longLocalizations.cutButtonLabel), findsNothing);
expect(find.text(longLocalizations.copyButtonLabel), findsOneWidget);
expect(find.text(longLocalizations.pasteButtonLabel), findsNothing);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsOneWidget);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '◀'), true);
expect(appearsEnabled(tester, '▶'), true);
// Tap back to go to the first page again.
await tester.tap(find.text('◀'));
await tester.pumpAndSettle();
expect(find.text(longLocalizations.cutButtonLabel), findsOneWidget);
expect(find.text(longLocalizations.copyButtonLabel), findsNothing);
expect(find.text(longLocalizations.pasteButtonLabel), findsNothing);
expect(find.text(longLocalizations.selectAllButtonLabel), findsNothing);
expect(find.text('◀'), findsNothing);
expect(find.text('▶'), findsOneWidget);
expect(appearsEnabled(tester, '▶'), true);
},
skip: isBrowser, // We do not use Flutter-rendered context menu on the Web
variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }),
);
});
}