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flutter / mirrors / flutter / 86e8bf4789e9f61c1a225af5b9d890580ddf59a9 / . / packages / flutter / test / material / text_field_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.
@TestOn('!chrome') // This whole test suite needs triage.
import 'dart:math' as math;
import 'dart:ui' as ui show window, BoxHeightStyle, BoxWidthStyle;
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart' show DragStartBehavior, PointerDeviceKind;
import '../rendering/mock_canvas.dart';
import '../widgets/semantics_tester.dart';
import '../widgets/text.dart' show findRenderEditable, globalize, textOffsetToPosition;
import 'feedback_tester.dart';
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 MaterialLocalizationsDelegate extends LocalizationsDelegate<MaterialLocalizations> {
@override
bool isSupported(Locale locale) => true;
@override
Future<MaterialLocalizations> load(Locale locale) => DefaultMaterialLocalizations.load(locale);
@override
bool shouldReload(MaterialLocalizationsDelegate old) => false;
}
class WidgetsLocalizationsDelegate extends LocalizationsDelegate<WidgetsLocalizations> {
@override
bool isSupported(Locale locale) => true;
@override
Future<WidgetsLocalizations> load(Locale locale) => DefaultWidgetsLocalizations.load(locale);
@override
bool shouldReload(WidgetsLocalizationsDelegate old) => false;
}
Widget overlay({ required Widget child }) {
final OverlayEntry entry = OverlayEntry(
builder: (BuildContext context) {
return Center(
child: Material(
child: child,
),
);
},
);
return overlayWithEntry(entry);
}
Widget overlayWithEntry(OverlayEntry entry) {
return Localizations(
locale: const Locale('en', 'US'),
delegates: <LocalizationsDelegate<dynamic>>[
WidgetsLocalizationsDelegate(),
MaterialLocalizationsDelegate(),
],
child: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800.0, 600.0)),
child: Overlay(
initialEntries: <OverlayEntry>[
entry,
],
),
),
),
);
}
Widget boilerplate({ required Widget child }) {
return MaterialApp(
home: Localizations(
locale: const Locale('en', 'US'),
delegates: <LocalizationsDelegate<dynamic>>[
WidgetsLocalizationsDelegate(),
MaterialLocalizationsDelegate(),
],
child: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800.0, 600.0)),
child: Center(
child: Material(
child: child,
),
),
),
),
),
);
}
Future<void> skipPastScrollingAnimation(WidgetTester tester) async {
await tester.pump();
await tester.pump(const Duration(milliseconds: 200));
}
double getOpacity(WidgetTester tester, Finder finder) {
return tester.widget<FadeTransition>(
find.ancestor(
of: finder,
matching: find.byType(FadeTransition),
),
).opacity.value;
}
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
final MockClipboard mockClipboard = MockClipboard();
SystemChannels.platform.setMockMethodCallHandler(mockClipboard.handleMethodCall);
const String kThreeLines =
'First line of text is\n'
'Second line goes until\n'
'Third line of stuff';
const String kMoreThanFourLines =
kThreeLines +
"\nFourth line won't display and ends at";
// Gap between caret and edge of input, defined in editable.dart.
const int kCaretGap = 1;
setUp(() async {
debugResetSemanticsIdCounter();
// Fill the clipboard so that the Paste option is available in the text
// selection menu.
await Clipboard.setData(const ClipboardData(text: 'Clipboard data'));
});
final Key textFieldKey = UniqueKey();
Widget textFieldBuilder({
int? maxLines = 1,
int? minLines,
}) {
return boilerplate(
child: TextField(
key: textFieldKey,
style: const TextStyle(color: Colors.black, fontSize: 34.0),
maxLines: maxLines,
minLines: minLines,
decoration: const InputDecoration(
hintText: 'Placeholder',
),
),
);
}
testWidgets('TextField passes onEditingComplete to EditableText', (WidgetTester tester) async {
final VoidCallback onEditingComplete = () { };
await tester.pumpWidget(
MaterialApp(
home: Material(
child: TextField(
onEditingComplete: onEditingComplete,
),
),
),
);
final Finder editableTextFinder = find.byType(EditableText);
expect(editableTextFinder, findsOneWidget);
final EditableText editableTextWidget = tester.widget(editableTextFinder);
expect(editableTextWidget.onEditingComplete, onEditingComplete);
});
testWidgets('TextField has consistent size', (WidgetTester tester) async {
final Key textFieldKey = UniqueKey();
late String textFieldValue;
await tester.pumpWidget(
overlay(
child: TextField(
key: textFieldKey,
decoration: const InputDecoration(
hintText: 'Placeholder',
),
onChanged: (String value) {
textFieldValue = value;
},
),
),
);
RenderBox findTextFieldBox() => tester.renderObject(find.byKey(textFieldKey));
final RenderBox inputBox = findTextFieldBox();
final Size emptyInputSize = inputBox.size;
Future<void> checkText(String testValue) async {
return TestAsyncUtils.guard(() async {
await tester.enterText(find.byType(TextField), testValue);
// Check that the onChanged event handler fired.
expect(textFieldValue, equals(testValue));
await skipPastScrollingAnimation(tester);
});
}
await checkText(' ');
expect(findTextFieldBox(), equals(inputBox));
expect(inputBox.size, equals(emptyInputSize));
await checkText('Test');
expect(findTextFieldBox(), equals(inputBox));
expect(inputBox.size, equals(emptyInputSize));
});
testWidgets('Cursor blinks', (WidgetTester tester) async {
await tester.pumpWidget(
overlay(
child: const TextField(
decoration: InputDecoration(
hintText: 'Placeholder',
),
),
),
);
await tester.showKeyboard(find.byType(TextField));
final EditableTextState editableText = tester.state(find.byType(EditableText));
// Check that the cursor visibility toggles after each blink interval.
Future<void> checkCursorToggle() async {
final bool initialShowCursor = editableText.cursorCurrentlyVisible;
await tester.pump(editableText.cursorBlinkInterval);
expect(editableText.cursorCurrentlyVisible, equals(!initialShowCursor));
await tester.pump(editableText.cursorBlinkInterval);
expect(editableText.cursorCurrentlyVisible, equals(initialShowCursor));
await tester.pump(editableText.cursorBlinkInterval ~/ 10);
expect(editableText.cursorCurrentlyVisible, equals(initialShowCursor));
await tester.pump(editableText.cursorBlinkInterval);
expect(editableText.cursorCurrentlyVisible, equals(!initialShowCursor));
await tester.pump(editableText.cursorBlinkInterval);
expect(editableText.cursorCurrentlyVisible, equals(initialShowCursor));
}
await checkCursorToggle();
await tester.showKeyboard(find.byType(TextField));
// Try the test again with a nonempty EditableText.
tester.testTextInput.updateEditingValue(const TextEditingValue(
text: 'X',
selection: TextSelection.collapsed(offset: 1),
));
await checkCursorToggle();
});
testWidgets('Cursor animates', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(
child: TextField(),
),
),
);
final Finder textFinder = find.byType(TextField);
await tester.tap(textFinder);
await tester.pump();
final EditableTextState editableTextState = tester.firstState(find.byType(EditableText));
final RenderEditable renderEditable = editableTextState.renderEditable;
expect(renderEditable.cursorColor!.alpha, 255);
await tester.pump(const Duration(milliseconds: 100));
await tester.pump(const Duration(milliseconds: 400));
expect(renderEditable.cursorColor!.alpha, 255);
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 110);
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 16);
await tester.pump(const Duration(milliseconds: 50));
expect(renderEditable.cursorColor!.alpha, 0);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('Cursor radius is 2.0', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(
child: TextField(),
),
),
);
final EditableTextState editableTextState = tester.firstState(find.byType(EditableText));
final RenderEditable renderEditable = editableTextState.renderEditable;
expect(renderEditable.cursorRadius, const Radius.circular(2.0));
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('cursor has expected defaults', (WidgetTester tester) async {
await tester.pumpWidget(
overlay(
child: const TextField(
),
),
);
final TextField textField = tester.firstWidget(find.byType(TextField));
expect(textField.cursorWidth, 2.0);
expect(textField.cursorHeight, null);
expect(textField.cursorRadius, null);
});
testWidgets('cursor has expected radius value', (WidgetTester tester) async {
await tester.pumpWidget(
overlay(
child: const TextField(
cursorRadius: Radius.circular(3.0),
),
),
);
final TextField textField = tester.firstWidget(find.byType(TextField));
expect(textField.cursorWidth, 2.0);
expect(textField.cursorRadius, const Radius.circular(3.0));
});
testWidgets('Material cursor android golden', (WidgetTester tester) async {
final Widget widget = overlay(
child: const RepaintBoundary(
key: ValueKey<int>(1),
child: TextField(
cursorColor: Colors.blue,
cursorWidth: 15,
cursorRadius: Radius.circular(3.0),
),
),
);
await tester.pumpWidget(widget);
const String testValue = 'A short phrase';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
await tester.tapAt(textOffsetToPosition(tester, testValue.length));
await tester.pump();
await expectLater(
find.byKey(const ValueKey<int>(1)),
matchesGoldenFile('text_field_cursor_test.material.0.png'),
);
});
testWidgets('Material cursor golden', (WidgetTester tester) async {
final Widget widget = overlay(
child: const RepaintBoundary(
key: ValueKey<int>(1),
child: TextField(
cursorColor: Colors.blue,
cursorWidth: 15,
cursorRadius: Radius.circular(3.0),
),
),
);
await tester.pumpWidget(widget);
const String testValue = 'A short phrase';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
await tester.tapAt(textOffsetToPosition(tester, testValue.length));
await tester.pump();
await expectLater(
find.byKey(const ValueKey<int>(1)),
matchesGoldenFile(
'text_field_cursor_test_${describeEnum(debugDefaultTargetPlatformOverride!).toLowerCase()}.material.1.png',
),
);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('text field selection toolbar renders correctly inside opacity', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Center(
child: Container(
width: 100,
height: 100,
child: const Opacity(
opacity: 0.5,
child: TextField(
decoration: InputDecoration(hintText: 'Placeholder'),
),
),
),
),
),
),
);
await tester.showKeyboard(find.byType(TextField));
const String testValue = 'A B C';
tester.testTextInput.updateEditingValue(
const TextEditingValue(
text: testValue
)
);
await tester.pump();
// The selectWordsInRange with SelectionChangedCause.tap seems to be needed to show the toolbar.
// (This is true even if we provide selection parameter to the TextEditingValue above.)
final EditableTextState state = tester.state<EditableTextState>(find.byType(EditableText));
state.renderEditable.selectWordsInRange(from: const Offset(0, 0), cause: SelectionChangedCause.tap);
expect(state.showToolbar(), true);
// This is needed for the AnimatedOpacity to turn from 0 to 1 so the toolbar is visible.
await tester.pumpAndSettle();
await tester.pump(const Duration(seconds: 1));
// Sanity check that the toolbar widget exists.
expect(find.text('Paste'), findsOneWidget);
await expectLater(
// The toolbar exists in the Overlay above the MaterialApp.
find.byType(Overlay),
matchesGoldenFile('text_field_opacity_test.0.png'),
);
});
testWidgets('text field toolbar options correctly changes options',
(WidgetTester tester) async {
final TextEditingController controller = TextEditingController(
text: 'Atwater Peel Sherbrooke Bonaventure',
);
await tester.pumpWidget(
MaterialApp(
home: Material(
child: Center(
child: TextField(
controller: controller,
toolbarOptions: const ToolbarOptions(copy: true),
),
),
),
),
);
final Offset textfieldStart = tester.getTopLeft(find.byType(TextField));
// This tap just puts the cursor somewhere different than where the double
// tap will occur to test that the double tap moves the existing cursor first.
await tester.tapAt(textfieldStart + const Offset(50.0, 9.0));
await tester.pump(const Duration(milliseconds: 500));
await tester.tapAt(textfieldStart + const Offset(150.0, 9.0));
await tester.pump(const Duration(milliseconds: 50));
// First tap moved the cursor.
expect(
controller.selection,
const TextSelection.collapsed(
offset: 8, affinity: TextAffinity.downstream),
);
await tester.tapAt(textfieldStart + const Offset(150.0, 9.0));
await tester.pump();
// Second tap selects the word around the cursor.
expect(
controller.selection,
const TextSelection(baseOffset: 8, extentOffset: 12),
);
// Selected text shows 'Copy', and not 'Paste', 'Cut', 'Select All'.
expect(find.text('Paste'), findsNothing);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Cut'), findsNothing);
expect(find.text('Select All'), findsNothing);
},
variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }),
);
testWidgets('text selection style 1', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(
text: 'Atwater Peel Sherbrooke Bonaventure\nhi\nwasssup!',
);
await tester.pumpWidget(
MaterialApp(
home: Material(
child: Center(
child: RepaintBoundary(
child: Container(
width: 650.0,
height: 600.0,
decoration: const BoxDecoration(
color: Color(0xff00ff00),
),
child: Column(
children: <Widget>[
TextField(
key: const Key('field0'),
controller: controller,
style: const TextStyle(height: 4, color: Colors.black45),
toolbarOptions: const ToolbarOptions(copy: true, selectAll: true),
selectionHeightStyle: ui.BoxHeightStyle.includeLineSpacingTop,
selectionWidthStyle: ui.BoxWidthStyle.max,
maxLines: 3,
),
],
),
),
),
),
),
),
);
final Offset textfieldStart = tester.getTopLeft(find.byKey(const Key('field0')));
await tester.longPressAt(textfieldStart + const Offset(50.0, 2.0));
await tester.pump(const Duration(milliseconds: 50));
await tester.tapAt(textfieldStart + const Offset(100.0, 107.0));
await tester.pump(const Duration(milliseconds: 300));
await expectLater(
find.byType(MaterialApp),
matchesGoldenFile('text_field_golden.TextSelectionStyle.1.png'),
);
});
testWidgets('text selection style 2', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(
text: 'Atwater Peel Sherbrooke Bonaventure\nhi\nwasssup!',
);
await tester.pumpWidget(
MaterialApp(
home: Material(
child: Center(
child: RepaintBoundary(
child: Container(
width: 650.0,
height: 600.0,
decoration: const BoxDecoration(
color: Color(0xff00ff00),
),
child: Column(
children: <Widget>[
TextField(
key: const Key('field0'),
controller: controller,
style: const TextStyle(height: 4, color: Colors.black45),
toolbarOptions: const ToolbarOptions(copy: true, selectAll: true),
selectionHeightStyle: ui.BoxHeightStyle.includeLineSpacingBottom,
selectionWidthStyle: ui.BoxWidthStyle.tight,
maxLines: 3,
),
],
),
),
),
),
),
),
);
final Offset textfieldStart = tester.getTopLeft(find.byKey(const Key('field0')));
await tester.longPressAt(textfieldStart + const Offset(50.0, 2.0));
await tester.pump(const Duration(milliseconds: 50));
await tester.tapAt(textfieldStart + const Offset(100.0, 107.0));
await tester.pump(const Duration(milliseconds: 300));
await expectLater(
find.byType(MaterialApp),
matchesGoldenFile('text_field_golden.TextSelectionStyle.2.png'),
);
});
testWidgets('text field toolbar options correctly changes options',
(WidgetTester tester) async {
final TextEditingController controller = TextEditingController(
text: 'Atwater Peel Sherbrooke Bonaventure',
);
await tester.pumpWidget(
MaterialApp(
home: Material(
child: Center(
child: TextField(
controller: controller,
toolbarOptions: const ToolbarOptions(copy: true),
),
),
),
),
);
final Offset textfieldStart = tester.getTopLeft(find.byType(TextField));
await tester.tapAt(textfieldStart + const Offset(150.0, 9.0));
await tester.pump(const Duration(milliseconds: 50));
await tester.tapAt(textfieldStart + const Offset(150.0, 9.0));
await tester.pump();
// Selected text shows 'Copy', and not 'Paste', 'Cut', 'Select all'.
expect(find.text('Paste'), findsNothing);
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Cut'), findsNothing);
expect(find.text('Select all'), findsNothing);
},
variant: const TargetPlatformVariant(<TargetPlatform>{
TargetPlatform.android,
TargetPlatform.fuchsia,
TargetPlatform.linux,
TargetPlatform.windows,
}),
);
testWidgets('cursor layout has correct width', (WidgetTester tester) async {
EditableText.debugDeterministicCursor = true;
await tester.pumpWidget(
overlay(
child: const RepaintBoundary(
child: TextField(
cursorWidth: 15.0,
),
),
)
);
await tester.enterText(find.byType(TextField), ' ');
await skipPastScrollingAnimation(tester);
await expectLater(
find.byType(TextField),
matchesGoldenFile('text_field_cursor_width_test.0.png'),
);
EditableText.debugDeterministicCursor = false;
});
testWidgets('cursor layout has correct radius', (WidgetTester tester) async {
EditableText.debugDeterministicCursor = true;
await tester.pumpWidget(
overlay(
child: const RepaintBoundary(
child: TextField(
cursorWidth: 15.0,
cursorRadius: Radius.circular(3.0),
),
),
)
);
await tester.enterText(find.byType(TextField), ' ');
await skipPastScrollingAnimation(tester);
await expectLater(
find.byType(TextField),
matchesGoldenFile('text_field_cursor_width_test.1.png'),
);
EditableText.debugDeterministicCursor = false;
});
testWidgets('cursor layout has correct height', (WidgetTester tester) async {
EditableText.debugDeterministicCursor = true;
await tester.pumpWidget(
overlay(
child: const RepaintBoundary(
child: TextField(
cursorWidth: 15.0,
cursorHeight: 30.0,
),
),
)
);
await tester.enterText(find.byType(TextField), ' ');
await skipPastScrollingAnimation(tester);
await expectLater(
find.byType(TextField),
matchesGoldenFile('text_field_cursor_width_test.2.png'),
);
EditableText.debugDeterministicCursor = false;
});
testWidgets('Overflowing a line with spaces stops the cursor at the end', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
key: textFieldKey,
controller: controller,
maxLines: null,
),
),
);
expect(controller.selection.baseOffset, -1);
expect(controller.selection.extentOffset, -1);
const String testValueOneLine = 'enough text to be exactly at the end of the line.';
await tester.enterText(find.byType(TextField), testValueOneLine);
await skipPastScrollingAnimation(tester);
RenderBox findInputBox() => tester.renderObject(find.byKey(textFieldKey));
RenderBox inputBox = findInputBox();
final Size oneLineInputSize = inputBox.size;
await tester.tapAt(textOffsetToPosition(tester, testValueOneLine.length));
await tester.pump();
const String testValueTwoLines = 'enough text to overflow the first line and go to the second';
await tester.enterText(find.byType(TextField), testValueTwoLines);
await skipPastScrollingAnimation(tester);
expect(inputBox, findInputBox());
inputBox = findInputBox();
expect(inputBox.size.height, greaterThan(oneLineInputSize.height));
final Size twoLineInputSize = inputBox.size;
// Enter a string with the same number of characters as testValueTwoLines,
// but where the overflowing part is all spaces. Assert that it only renders
// on one line.
const String testValueSpaces = testValueOneLine + ' ';
expect(testValueSpaces.length, testValueTwoLines.length);
await tester.enterText(find.byType(TextField), testValueSpaces);
await skipPastScrollingAnimation(tester);
expect(inputBox, findInputBox());
inputBox = findInputBox();
expect(inputBox.size.height, oneLineInputSize.height);
// Swapping the final space for a letter causes it to wrap to 2 lines.
const String testValueSpacesOverflow = testValueOneLine + ' a';
expect(testValueSpacesOverflow.length, testValueTwoLines.length);
await tester.enterText(find.byType(TextField), testValueSpacesOverflow);
await skipPastScrollingAnimation(tester);
expect(inputBox, findInputBox());
inputBox = findInputBox();
expect(inputBox.size.height, twoLineInputSize.height);
// Positioning the cursor at the end of a line overflowing with spaces puts
// it inside the input still.
await tester.enterText(find.byType(TextField), testValueSpaces);
await skipPastScrollingAnimation(tester);
await tester.tapAt(textOffsetToPosition(tester, testValueSpaces.length));
await tester.pump();
final double inputWidth = findRenderEditable(tester).size.width;
final Offset cursorOffsetSpaces = findRenderEditable(tester).getLocalRectForCaret(
const TextPosition(offset: testValueSpaces.length),
).bottomRight;
expect(cursorOffsetSpaces.dx, inputWidth - kCaretGap);
});
testWidgets('mobile obscureText control test', (WidgetTester tester) async {
await tester.pumpWidget(
overlay(
child: const TextField(
obscureText: true,
decoration: InputDecoration(
hintText: 'Placeholder',
),
),
),
);
await tester.showKeyboard(find.byType(TextField));
const String testValue = 'ABC';
tester.testTextInput.updateEditingValue(const TextEditingValue(
text: testValue,
selection: TextSelection.collapsed(offset: testValue.length),
));
await tester.pump();
// Enter a character into the obscured field and verify that the character
// is temporarily shown to the user and then changed to a bullet.
const String newChar = 'X';
tester.testTextInput.updateEditingValue(const TextEditingValue(
text: testValue + newChar,
selection: TextSelection.collapsed(offset: testValue.length + 1),
));
await tester.pump();
String editText = findRenderEditable(tester).text!.text!;
expect(editText.substring(editText.length - 1), newChar);
await tester.pump(const Duration(seconds: 2));
editText = findRenderEditable(tester).text!.text!;
expect(editText.substring(editText.length - 1), '\u2022');
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.android }));
testWidgets('desktop obscureText control test', (WidgetTester tester) async {
await tester.pumpWidget(
overlay(
child: const TextField(
obscureText: true,
decoration: InputDecoration(
hintText: 'Placeholder',
),
),
),
);
await tester.showKeyboard(find.byType(TextField));
const String testValue = 'ABC';
tester.testTextInput.updateEditingValue(const TextEditingValue(
text: testValue,
selection: TextSelection.collapsed(offset: testValue.length),
));
await tester.pump();
// Enter a character into the obscured field and verify that the character
// isn't shown to the user.
const String newChar = 'X';
tester.testTextInput.updateEditingValue(const TextEditingValue(
text: testValue + newChar,
selection: TextSelection.collapsed(offset: testValue.length + 1),
));
await tester.pump();
final String editText = findRenderEditable(tester).text!.text!;
expect(editText.substring(editText.length - 1), '\u2022');
}, variant: const TargetPlatformVariant(<TargetPlatform>{
TargetPlatform.macOS,
TargetPlatform.linux,
TargetPlatform.windows,
}));
testWidgets('Caret position is updated on tap', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
expect(controller.selection.baseOffset, -1);
expect(controller.selection.extentOffset, -1);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Tap to reposition the caret.
final int tapIndex = testValue.indexOf('e');
final Offset ePos = textOffsetToPosition(tester, tapIndex);
await tester.tapAt(ePos);
await tester.pump();
expect(controller.selection.baseOffset, tapIndex);
expect(controller.selection.extentOffset, tapIndex);
});
testWidgets('enableInteractiveSelection = false, tap', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
enableInteractiveSelection: false,
),
),
);
expect(controller.selection.baseOffset, -1);
expect(controller.selection.extentOffset, -1);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Tap would ordinarily reposition the caret.
final int tapIndex = testValue.indexOf('e');
final Offset ePos = textOffsetToPosition(tester, tapIndex);
await tester.tapAt(ePos);
await tester.pump();
expect(controller.selection.baseOffset, -1);
expect(controller.selection.extentOffset, -1);
});
testWidgets('Can long press to select', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
expect(controller.value.text, testValue);
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Long press the 'e' to select 'def'.
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
await tester.longPressAt(ePos, pointer: 7);
await tester.pump();
// 'def' is selected.
expect(controller.selection.baseOffset, testValue.indexOf('d'));
expect(controller.selection.extentOffset, testValue.indexOf('f')+1);
// Tapping elsewhere immediately collapses and moves the cursor.
await tester.tapAt(textOffsetToPosition(tester, testValue.indexOf('h')));
await tester.pump();
expect(controller.selection.isCollapsed, true);
expect(controller.selection.baseOffset, testValue.indexOf('h'));
});
testWidgets("Slight movements in longpress don't hide/show handles", (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
expect(controller.value.text, testValue);
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Long press the 'e' to select 'def', but don't release the gesture.
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
final TestGesture gesture = await tester.startGesture(ePos, pointer: 7);
await tester.pump(const Duration(seconds: 2));
await tester.pumpAndSettle();
// Handles are shown
final Finder fadeFinder = find.byType(FadeTransition);
expect(fadeFinder, findsNWidgets(2)); // 2 handles, 1 toolbar
FadeTransition handle = tester.widget(fadeFinder.at(0));
expect(handle.opacity.value, equals(1.0));
// Move the gesture very slightly
await gesture.moveBy(const Offset(1.0, 1.0));
await tester.pump(TextSelectionOverlay.fadeDuration * 0.5);
handle = tester.widget(fadeFinder.at(0));
// The handle should still be fully opaque.
expect(handle.opacity.value, equals(1.0));
});
testWidgets('Long pressing a field with selection 0,0 shows the selection menu', (WidgetTester tester) async {
await tester.pumpWidget(overlay(
child: TextField(
controller: TextEditingController.fromValue(
const TextEditingValue(
selection: TextSelection(baseOffset: 0, extentOffset: 0),
),
),
),
));
expect(find.text('Paste'), findsNothing);
final Offset emptyPos = textOffsetToPosition(tester, 0);
await tester.longPressAt(emptyPos, pointer: 7);
await tester.pumpAndSettle();
expect(find.text('Paste'), findsOneWidget);
});
testWidgets('Entering text hides selection handle caret', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
const String testValue = 'abcdefghi';
await tester.enterText(find.byType(TextField), testValue);
expect(controller.value.text, testValue);
await skipPastScrollingAnimation(tester);
// Handle not shown.
expect(controller.selection.isCollapsed, true);
final Finder fadeFinder = find.byType(FadeTransition);
expect(fadeFinder, findsNothing);
// Tap on the text field to show the handle.
await tester.tap(find.byType(TextField));
await tester.pumpAndSettle();
expect(controller.selection.isCollapsed, true);
expect(fadeFinder, findsNWidgets(1));
final FadeTransition handle = tester.widget(fadeFinder.at(0));
expect(handle.opacity.value, equals(1.0));
// Enter more text.
const String testValueAddition = 'jklmni';
await tester.enterText(find.byType(TextField), testValueAddition);
expect(controller.value.text, testValueAddition);
await skipPastScrollingAnimation(tester);
// Handle not shown.
expect(controller.selection.isCollapsed, true);
expect(fadeFinder, findsNothing);
});
testWidgets('Mouse long press is just like a tap', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
expect(controller.value.text, testValue);
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Long press the 'e' using a mouse device.
final int eIndex = testValue.indexOf('e');
final Offset ePos = textOffsetToPosition(tester, eIndex);
final TestGesture gesture = await tester.startGesture(ePos, kind: PointerDeviceKind.mouse);
addTearDown(gesture.removePointer);
await tester.pump(const Duration(seconds: 2));
await gesture.up();
await tester.pump();
// The cursor is placed just like a regular tap.
expect(controller.selection.baseOffset, eIndex);
expect(controller.selection.extentOffset, eIndex);
});
testWidgets('Read only text field basic', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'readonly');
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
readOnly: true,
),
),
);
// Read only text field cannot open keyboard.
await tester.showKeyboard(find.byType(TextField));
expect(tester.testTextInput.hasAnyClients, false);
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
await tester.tap(find.byType(TextField));
await tester.pump();
expect(tester.testTextInput.hasAnyClients, false);
final EditableTextState editableText = tester.state(find.byType(EditableText));
// Collapse selection should not paint.
expect(editableText.selectionOverlay!.handlesAreVisible, isFalse);
// Long press on the 'd' character of text 'readOnly' to show context menu.
const int dIndex = 3;
final Offset dPos = textOffsetToPosition(tester, dIndex);
await tester.longPressAt(dPos);
await tester.pumpAndSettle();
// Context menu should not have paste and cut.
expect(find.text('Copy'), findsOneWidget);
expect(find.text('Paste'), findsNothing);
expect(find.text('Cut'), findsNothing);
});
testWidgets('does not paint toolbar when no options available', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(
child: TextField(
readOnly: true,
),
),
),
);
await tester.tap(find.byType(TextField));
await tester.pump(const Duration(milliseconds: 50));
await tester.tap(find.byType(TextField));
// Wait for context menu to be built.
await tester.pumpAndSettle();
expect(find.byType(CupertinoTextSelectionToolbar), paintsNothing);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('text field build empty toolbar when no options available', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(
child: TextField(
readOnly: true,
),
),
),
);
await tester.tap(find.byType(TextField));
await tester.pump(const Duration(milliseconds: 50));
await tester.tap(find.byType(TextField));
// Wait for context menu to be built.
await tester.pumpAndSettle();
final RenderBox container = tester.renderObject(find.descendant(
of: find.byType(FadeTransition),
matching: find.byType(SizedBox),
).first);
expect(container.size, Size.zero);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.android, TargetPlatform.fuchsia, TargetPlatform.linux, TargetPlatform.windows }));
testWidgets('Sawping controllers should update selection', (WidgetTester tester) async {
TextEditingController controller = TextEditingController(text: 'readonly');
final OverlayEntry entry = OverlayEntry(
builder: (BuildContext context) {
return Center(
child: Material(
child: TextField(
controller: controller,
readOnly: true,
),
),
);
},
);
await tester.pumpWidget(overlayWithEntry(entry));
const int dIndex = 3;
final Offset dPos = textOffsetToPosition(tester, dIndex);
await tester.longPressAt(dPos);
await tester.pumpAndSettle();
final EditableTextState state = tester.state(find.byType(EditableText));
TextSelection currentOverlaySelection =
state.selectionOverlay!.value.selection;
expect(currentOverlaySelection.baseOffset, 0);
expect(currentOverlaySelection.extentOffset, 8);
// Update selection from [0 to 8] to [1 to 7].
controller = TextEditingController.fromValue(
controller.value.copyWith(selection: const TextSelection(
baseOffset: 1,
extentOffset: 7,
)),
);
// Mark entry to be dirty in order to trigger overlay update.
entry.markNeedsBuild();
await tester.pump();
currentOverlaySelection = state.selectionOverlay!.value.selection;
expect(currentOverlaySelection.baseOffset, 1);
expect(currentOverlaySelection.extentOffset, 7);
});
testWidgets('Read only text should not compose', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController.fromValue(
const TextEditingValue(
text: 'readonly',
composing: TextRange(start: 0, end: 8), // Simulate text composing.
),
);
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
readOnly: true,
),
),
);
final RenderEditable renderEditable = findRenderEditable(tester);
// There should be no composing.
expect(renderEditable.text, TextSpan(text:'readonly', style: renderEditable.text!.style));
});
testWidgets('Dynamically switching between read only and not read only should hide or show collapse cursor', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'readonly');
bool readOnly = true;
final OverlayEntry entry = OverlayEntry(
builder: (BuildContext context) {
return Center(
child: Material(
child: TextField(
controller: controller,
readOnly: readOnly,
),
),
);
},
);
await tester.pumpWidget(overlayWithEntry(entry));
await tester.tap(find.byType(TextField));
await tester.pump();
final EditableTextState editableText = tester.state(find.byType(EditableText));
// Collapse selection should not paint.
expect(editableText.selectionOverlay!.handlesAreVisible, isFalse);
readOnly = false;
// Mark entry to be dirty in order to trigger overlay update.
entry.markNeedsBuild();
await tester.pumpAndSettle();
expect(editableText.selectionOverlay!.handlesAreVisible, isTrue);
readOnly = true;
entry.markNeedsBuild();
await tester.pumpAndSettle();
expect(editableText.selectionOverlay!.handlesAreVisible, isFalse);
});
testWidgets('Dynamically switching to read only should close input connection', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'readonly');
bool readOnly = false;
final OverlayEntry entry = OverlayEntry(
builder: (BuildContext context) {
return Center(
child: Material(
child: TextField(
controller: controller,
readOnly: readOnly,
),
),
);
},
);
await tester.pumpWidget(overlayWithEntry(entry));
await tester.tap(find.byType(TextField));
await tester.pump();
expect(tester.testTextInput.hasAnyClients, true);
readOnly = true;
// Mark entry to be dirty in order to trigger overlay update.
entry.markNeedsBuild();
await tester.pump();
expect(tester.testTextInput.hasAnyClients, false);
});
testWidgets('Dynamically switching to non read only should open input connection', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'readonly');
bool readOnly = true;
final OverlayEntry entry = OverlayEntry(
builder: (BuildContext context) {
return Center(
child: Material(
child: TextField(
controller: controller,
readOnly: readOnly,
),
),
);
},
);
await tester.pumpWidget(overlayWithEntry(entry));
await tester.tap(find.byType(TextField));
await tester.pump();
expect(tester.testTextInput.hasAnyClients, false);
readOnly = false;
// Mark entry to be dirty in order to trigger overlay update.
entry.markNeedsBuild();
await tester.pump();
expect(tester.testTextInput.hasAnyClients, true);
});
testWidgets('enableInteractiveSelection = false, long-press', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
enableInteractiveSelection: false,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
expect(controller.value.text, testValue);
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Long press the 'e' to select 'def'.
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
await tester.longPressAt(ePos, pointer: 7);
await tester.pump();
expect(controller.selection.isCollapsed, true);
expect(controller.selection.baseOffset, -1);
expect(controller.selection.extentOffset, -1);
});
testWidgets('Can select text by dragging with a mouse', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
MaterialApp(
home: Material(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
),
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
final Offset gPos = textOffsetToPosition(tester, testValue.indexOf('g'));
final TestGesture gesture = await tester.startGesture(ePos, kind: PointerDeviceKind.mouse);
addTearDown(gesture.removePointer);
await tester.pump();
await gesture.moveTo(gPos);
await tester.pump();
await gesture.up();
await tester.pumpAndSettle();
expect(controller.selection.baseOffset, testValue.indexOf('e'));
expect(controller.selection.extentOffset, testValue.indexOf('g'));
});
testWidgets('Continuous dragging does not cause flickering', (WidgetTester tester) async {
int selectionChangedCount = 0;
const String testValue = 'abc def ghi';
final TextEditingController controller = TextEditingController(text: testValue);
controller.addListener(() {
selectionChangedCount++;
});
await tester.pumpWidget(
MaterialApp(
home: Material(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
style: const TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
),
),
),
);
final Offset cPos = textOffsetToPosition(tester, 2); // Index of 'c'.
final Offset gPos = textOffsetToPosition(tester, 8); // Index of 'g'.
final Offset hPos = textOffsetToPosition(tester, 9); // Index of 'h'.
// Drag from 'c' to 'g'.
final TestGesture gesture = await tester.startGesture(cPos, kind: PointerDeviceKind.mouse);
addTearDown(gesture.removePointer);
await tester.pump();
await gesture.moveTo(gPos);
await tester.pumpAndSettle();
expect(selectionChangedCount, isNonZero);
selectionChangedCount = 0;
expect(controller.selection.baseOffset, 2);
expect(controller.selection.extentOffset, 8);
// Tiny movement shouldn't cause text selection to change.
await gesture.moveTo(gPos + const Offset(4.0, 0.0));
await tester.pumpAndSettle();
expect(selectionChangedCount, 0);
// Now a text selection change will occur after a significant movement.
await gesture.moveTo(hPos);
await tester.pump();
await gesture.up();
await tester.pumpAndSettle();
expect(selectionChangedCount, 1);
expect(controller.selection.baseOffset, 2);
expect(controller.selection.extentOffset, 9);
});
testWidgets('Dragging in opposite direction also works', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
MaterialApp(
home: Material(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
),
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
final Offset gPos = textOffsetToPosition(tester, testValue.indexOf('g'));
final TestGesture gesture = await tester.startGesture(gPos, kind: PointerDeviceKind.mouse);
addTearDown(gesture.removePointer);
await tester.pump();
await gesture.moveTo(ePos);
await tester.pump();
await gesture.up();
await tester.pumpAndSettle();
expect(controller.selection.baseOffset, testValue.indexOf('e'));
expect(controller.selection.extentOffset, testValue.indexOf('g'));
});
testWidgets('Slow mouse dragging also selects text', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
MaterialApp(
home: Material(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
),
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
final Offset gPos = textOffsetToPosition(tester, testValue.indexOf('g'));
final TestGesture gesture = await tester.startGesture(ePos, kind: PointerDeviceKind.mouse);
addTearDown(gesture.removePointer);
await tester.pump(const Duration(seconds: 2));
await gesture.moveTo(gPos);
await tester.pump();
await gesture.up();
expect(controller.selection.baseOffset, testValue.indexOf('e'));
expect(controller.selection.extentOffset, testValue.indexOf('g'));
});
testWidgets('Can drag handles to change selection', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Long press the 'e' to select 'def'.
final Offset ePos = textOffsetToPosition(tester, testValue.indexOf('e'));
TestGesture gesture = await tester.startGesture(ePos, pointer: 7);
await tester.pump(const Duration(seconds: 2));
await gesture.up();
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
final TextSelection selection = controller.selection;
expect(selection.baseOffset, 4);
expect(selection.extentOffset, 7);
final RenderEditable renderEditable = findRenderEditable(tester);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(selection),
renderEditable,
);
expect(endpoints.length, 2);
// Drag the right handle 2 letters to the right.
// We use a small offset because the endpoint is on the very corner
// of the handle.
Offset handlePos = endpoints[1].point + const Offset(1.0, 1.0);
Offset newHandlePos = textOffsetToPosition(tester, testValue.length);
gesture = await tester.startGesture(handlePos, pointer: 7);
await tester.pump();
await gesture.moveTo(newHandlePos);
await tester.pump();
await gesture.up();
await tester.pump();
expect(controller.selection.baseOffset, 4);
expect(controller.selection.extentOffset, 11);
// Drag the left handle 2 letters to the left.
handlePos = endpoints[0].point + const Offset(-1.0, 1.0);
newHandlePos = textOffsetToPosition(tester, 0);
gesture = await tester.startGesture(handlePos, pointer: 7);
await tester.pump();
await gesture.moveTo(newHandlePos);
await tester.pump();
await gesture.up();
await tester.pump();
expect(controller.selection.baseOffset, 0);
expect(controller.selection.extentOffset, 11);
});
testWidgets('Cannot drag one handle past the other', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Long press the 'e' to select 'def'.
final Offset ePos = textOffsetToPosition(tester, 5); // Position before 'e'.
TestGesture gesture = await tester.startGesture(ePos, pointer: 7);
await tester.pump(const Duration(seconds: 2));
await gesture.up();
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
final TextSelection selection = controller.selection;
expect(selection.baseOffset, 4);
expect(selection.extentOffset, 7);
final RenderEditable renderEditable = findRenderEditable(tester);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(selection),
renderEditable,
);
expect(endpoints.length, 2);
// Drag the right handle until there's only 1 char selected.
// We use a small offset because the endpoint is on the very corner
// of the handle.
final Offset handlePos = endpoints[1].point + const Offset(4.0, 0.0);
Offset newHandlePos = textOffsetToPosition(tester, 5); // Position before 'e'.
gesture = await tester.startGesture(handlePos, pointer: 7);
await tester.pump();
await gesture.moveTo(newHandlePos);
await tester.pump();
expect(controller.selection.baseOffset, 4);
expect(controller.selection.extentOffset, 5);
newHandlePos = textOffsetToPosition(tester, 2); // Position before 'c'.
await gesture.moveTo(newHandlePos);
await tester.pump();
await gesture.up();
await tester.pump();
expect(controller.selection.baseOffset, 4);
// The selection doesn't move beyond the left handle. There's always at
// least 1 char selected.
expect(controller.selection.extentOffset, 5);
});
testWidgets('Can use selection toolbar', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Tap the selection handle to bring up the "paste / select all" menu.
await tester.tapAt(textOffsetToPosition(tester, testValue.indexOf('e')));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
RenderEditable renderEditable = findRenderEditable(tester);
List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(controller.selection),
renderEditable,
);
// Tapping on the part of the handle's GestureDetector where it overlaps
// with the text itself does not show the menu, so add a small vertical
// offset to tap below the text.
await tester.tapAt(endpoints[0].point + const Offset(1.0, 13.0));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
// Select all should select all the text.
await tester.tap(find.text('Select all'));
await tester.pump();
expect(controller.selection.baseOffset, 0);
expect(controller.selection.extentOffset, testValue.length);
// Copy should reset the selection.
await tester.tap(find.text('Copy'));
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Tap again to bring back the menu.
await tester.tapAt(textOffsetToPosition(tester, testValue.indexOf('e')));
await tester.pump();
// Allow time for handle to appear and double tap to time out.
await tester.pump(const Duration(milliseconds: 300));
expect(controller.selection.isCollapsed, true);
expect(controller.selection.baseOffset, testValue.indexOf('e'));
expect(controller.selection.extentOffset, testValue.indexOf('e'));
renderEditable = findRenderEditable(tester);
endpoints = globalize(
renderEditable.getEndpointsForSelection(controller.selection),
renderEditable,
);
await tester.tapAt(endpoints[0].point + const Offset(1.0, 1.0));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
expect(controller.selection.isCollapsed, true);
expect(controller.selection.baseOffset, testValue.indexOf('e'));
expect(controller.selection.extentOffset, testValue.indexOf('e'));
// Paste right before the 'e'.
await tester.tap(find.text('Paste'));
await tester.pump();
expect(controller.text, 'abc d${testValue}ef ghi');
});
// Show the selection menu at the given index into the text by tapping to
// place the cursor and then tapping on the handle.
Future<void> _showSelectionMenuAt(WidgetTester tester, TextEditingController controller, int index) async {
await tester.tapAt(tester.getCenter(find.byType(EditableText)));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
expect(find.text('Select all'), findsNothing);
// Tap the selection handle to bring up the "paste / select all" menu for
// the last line of text.
await tester.tapAt(textOffsetToPosition(tester, index));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
final RenderEditable renderEditable = findRenderEditable(tester);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(controller.selection),
renderEditable,
);
// Tapping on the part of the handle's GestureDetector where it overlaps
// with the text itself does not show the menu, so add a small vertical
// offset to tap below the text.
await tester.tapAt(endpoints[0].point + const Offset(1.0, 13.0));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
}
testWidgets(
'Check the toolbar appears below the TextField when there is not enough space above the TextField to show it',
(WidgetTester tester) async {
// This is a regression test for
// https://github.com/flutter/flutter/issues/29808
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(MaterialApp(
home: Scaffold(
body: Padding(
padding: const EdgeInsets.all(30.0),
child: TextField(
controller: controller,
),
),
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
await _showSelectionMenuAt(tester, controller, testValue.indexOf('e'));
// Verify the selection toolbar position is below the text.
Offset toolbarTopLeft = tester.getTopLeft(find.text('Select all'));
Offset textFieldTopLeft = tester.getTopLeft(find.byType(TextField));
expect(textFieldTopLeft.dy, lessThan(toolbarTopLeft.dy));
await tester.pumpWidget(MaterialApp(
home: Scaffold(
body: Padding(
padding: const EdgeInsets.all(150.0),
child: TextField(
controller: controller,
),
),
),
));
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
await _showSelectionMenuAt(tester, controller, testValue.indexOf('e'));
// Verify the selection toolbar position
toolbarTopLeft = tester.getTopLeft(find.text('Select all'));
textFieldTopLeft = tester.getTopLeft(find.byType(TextField));
expect(toolbarTopLeft.dy, lessThan(textFieldTopLeft.dy));
},
);
testWidgets(
'Toolbar appears in the right places in multiline inputs',
(WidgetTester tester) async {
// This is a regression test for
// https://github.com/flutter/flutter/issues/36749
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(MaterialApp(
home: Scaffold(
body: Padding(
padding: const EdgeInsets.all(30.0),
child: TextField(
controller: controller,
minLines: 6,
maxLines: 6,
),
),
),
));
expect(find.text('Select all'), findsNothing);
const String testValue = 'abc\ndef\nghi\njkl\nmno\npqr';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Show the selection menu on the first line and verify the selection
// toolbar position is below the first line.
await _showSelectionMenuAt(tester, controller, testValue.indexOf('c'));
expect(find.text('Select all'), findsOneWidget);
final Offset firstLineToolbarTopLeft = tester.getTopLeft(find.text('Select all'));
final Offset firstLineTopLeft = textOffsetToPosition(tester, testValue.indexOf('a'));
expect(firstLineTopLeft.dy, lessThan(firstLineToolbarTopLeft.dy));
// Show the selection menu on the second to last line and verify the
// selection toolbar position is above that line and above the first
// line's toolbar.
await _showSelectionMenuAt(tester, controller, testValue.indexOf('o'));
expect(find.text('Select all'), findsOneWidget);
final Offset penultimateLineToolbarTopLeft = tester.getTopLeft(find.text('Select all'));
final Offset penultimateLineTopLeft = textOffsetToPosition(tester, testValue.indexOf('p'));
expect(penultimateLineToolbarTopLeft.dy, lessThan(penultimateLineTopLeft.dy));
expect(penultimateLineToolbarTopLeft.dy, lessThan(firstLineToolbarTopLeft.dy));
// Show the selection menu on the last line and verify the selection
// toolbar position is above that line and below the position of the
// second to last line's toolbar.
await _showSelectionMenuAt(tester, controller, testValue.indexOf('r'));
expect(find.text('Select all'), findsOneWidget);
final Offset lastLineToolbarTopLeft = tester.getTopLeft(find.text('Select all'));
final Offset lastLineTopLeft = textOffsetToPosition(tester, testValue.indexOf('p'));
expect(lastLineToolbarTopLeft.dy, lessThan(lastLineTopLeft.dy));
expect(lastLineToolbarTopLeft.dy, greaterThan(penultimateLineToolbarTopLeft.dy));
},
);
testWidgets('Selection toolbar fades in', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
controller: controller,
),
),
);
const String testValue = 'abc def ghi';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Tap the selection handle to bring up the "paste / select all" menu.
await tester.tapAt(textOffsetToPosition(tester, testValue.indexOf('e')));
await tester.pump();
// Allow time for the handle to appear and for a double tap to time out.
await tester.pump(const Duration(milliseconds: 600));
final RenderEditable renderEditable = findRenderEditable(tester);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(controller.selection),
renderEditable,
);
await tester.tapAt(endpoints[0].point + const Offset(1.0, 1.0));
// Pump an extra frame to allow the selection menu to read the clipboard.
await tester.pump();
await tester.pump();
// Toolbar should fade in. Starting at 0% opacity.
final Element target = tester.element(find.text('Select all'));
final FadeTransition opacity = target.findAncestorWidgetOfExactType<FadeTransition>()!;
expect(opacity.opacity.value, equals(0.0));
// Still fading in.
await tester.pump(const Duration(milliseconds: 50));
final FadeTransition opacity2 = target.findAncestorWidgetOfExactType<FadeTransition>()!;
expect(opacity, same(opacity2));
expect(opacity.opacity.value, greaterThan(0.0));
expect(opacity.opacity.value, lessThan(1.0));
// End the test here to ensure the animation is properly disposed of.
});
testWidgets('An obscured TextField is selectable by default', (WidgetTester tester) async {
// This is a regression test for
// https://github.com/flutter/flutter/issues/32845
final TextEditingController controller = TextEditingController();
Widget buildFrame(bool obscureText) {
return overlay(
child: TextField(
controller: controller,
obscureText: obscureText,
),
);
}
// Obscure text and don't enable or disable selection.
await tester.pumpWidget(buildFrame(true));
await tester.enterText(find.byType(TextField), 'abcdefghi');
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Long press does select text.
final Offset ePos = textOffsetToPosition(tester, 1);
await tester.longPressAt(ePos, pointer: 7);
await tester.pump();
expect(controller.selection.isCollapsed, false);
});
testWidgets('An obscured TextField is not selectable when disabled', (WidgetTester tester) async {
// This is a regression test for
// https://github.com/flutter/flutter/issues/32845
final TextEditingController controller = TextEditingController();
Widget buildFrame(bool obscureText, bool enableInteractiveSelection) {
return overlay(
child: TextField(
controller: controller,
obscureText: obscureText,
enableInteractiveSelection: enableInteractiveSelection,
),
);
}
// Explicitly disabled selection on obscured text.
await tester.pumpWidget(buildFrame(true, false));
await tester.enterText(find.byType(TextField), 'abcdefghi');
await skipPastScrollingAnimation(tester);
expect(controller.selection.isCollapsed, true);
// Long press doesn't select text.
final Offset ePos2 = textOffsetToPosition(tester, 1);
await tester.longPressAt(ePos2, pointer: 7);
await tester.pump();
expect(controller.selection.isCollapsed, true);
});
testWidgets('An obscured TextField is selected as one word', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(overlay(
child: TextField(
controller: controller,
obscureText: true,
),
));
await tester.enterText(find.byType(TextField), 'abcde fghi');
await skipPastScrollingAnimation(tester);
// Long press does select text.
final Offset bPos = textOffsetToPosition(tester, 1);
await tester.longPressAt(bPos, pointer: 7);
await tester.pump();
final TextSelection selection = controller.selection;
expect(selection.isCollapsed, false);
expect(selection.baseOffset, 0);
expect(selection.extentOffset, 10);
});
testWidgets('An obscured TextField has correct default context menu', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(overlay(
child: TextField(
controller: controller,
obscureText: true,
),
));
await tester.enterText(find.byType(TextField), 'abcde fghi');
await skipPastScrollingAnimation(tester);
// Long press to select text.
final Offset bPos = textOffsetToPosition(tester, 1);
await tester.longPressAt(bPos, pointer: 7);
await tester.pumpAndSettle();
// Should only have paste option when whole obscure text is selected.
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Copy'), findsNothing);
expect(find.text('Cut'), findsNothing);
expect(find.text('Select all'), findsNothing);
// Long press at the end
final Offset iPos = textOffsetToPosition(tester, 10);
final Offset slightRight = iPos + const Offset(30.0, 0.0);
await tester.longPressAt(slightRight, pointer: 7);
await tester.pumpAndSettle();
// Should have paste and select all options when collapse.
expect(find.text('Paste'), findsOneWidget);
expect(find.text('Select all'), findsOneWidget);
expect(find.text('Copy'), findsNothing);
expect(find.text('Cut'), findsNothing);
});
testWidgets('TextField height with minLines unset', (WidgetTester tester) async {
await tester.pumpWidget(textFieldBuilder());
RenderBox findInputBox() => tester.renderObject(find.byKey(textFieldKey));
final RenderBox inputBox = findInputBox();
final Size emptyInputSize = inputBox.size;
await tester.enterText(find.byType(TextField), 'No wrapping here.');
await tester.pumpWidget(textFieldBuilder());
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, equals(emptyInputSize));
// Even when entering multiline text, TextField doesn't grow. It's a single
// line input.
await tester.enterText(find.byType(TextField), kThreeLines);
await tester.pumpWidget(textFieldBuilder());
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, equals(emptyInputSize));
// maxLines: 3 makes the TextField 3 lines tall
await tester.enterText(find.byType(TextField), '');
await tester.pumpWidget(textFieldBuilder(maxLines: 3));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size.height, greaterThan(emptyInputSize.height));
expect(inputBox.size.width, emptyInputSize.width);
final Size threeLineInputSize = inputBox.size;
// Filling with 3 lines of text stays the same size
await tester.enterText(find.byType(TextField), kThreeLines);
await tester.pumpWidget(textFieldBuilder(maxLines: 3));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, threeLineInputSize);
// An extra line won't increase the size because we max at 3.
await tester.enterText(find.byType(TextField), kMoreThanFourLines);
await tester.pumpWidget(textFieldBuilder(maxLines: 3));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, threeLineInputSize);
// But now it will... but it will max at four
await tester.enterText(find.byType(TextField), kMoreThanFourLines);
await tester.pumpWidget(textFieldBuilder(maxLines: 4));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size.height, greaterThan(threeLineInputSize.height));
expect(inputBox.size.width, threeLineInputSize.width);
final Size fourLineInputSize = inputBox.size;
// Now it won't max out until the end
await tester.enterText(find.byType(TextField), '');
await tester.pumpWidget(textFieldBuilder(maxLines: null));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, equals(emptyInputSize));
await tester.enterText(find.byType(TextField), kThreeLines);
await tester.pump();
expect(inputBox.size, equals(threeLineInputSize));
await tester.enterText(find.byType(TextField), kMoreThanFourLines);
await tester.pump();
expect(inputBox.size.height, greaterThan(fourLineInputSize.height));
expect(inputBox.size.width, fourLineInputSize.width);
});
testWidgets('TextField height with minLines and maxLines', (WidgetTester tester) async {
await tester.pumpWidget(textFieldBuilder());
RenderBox findInputBox() => tester.renderObject(find.byKey(textFieldKey));
final RenderBox inputBox = findInputBox();
final Size emptyInputSize = inputBox.size;
await tester.enterText(find.byType(TextField), 'No wrapping here.');
await tester.pumpWidget(textFieldBuilder());
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, equals(emptyInputSize));
// min and max set to same value locks height to value.
await tester.pumpWidget(textFieldBuilder(minLines: 3, maxLines: 3));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size.height, greaterThan(emptyInputSize.height));
expect(inputBox.size.width, emptyInputSize.width);
final Size threeLineInputSize = inputBox.size;
// maxLines: null with minLines set grows beyond minLines
await tester.pumpWidget(textFieldBuilder(minLines: 3, maxLines: null));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, threeLineInputSize);
await tester.enterText(find.byType(TextField), kMoreThanFourLines);
await tester.pump();
expect(inputBox.size.height, greaterThan(threeLineInputSize.height));
expect(inputBox.size.width, threeLineInputSize.width);
// With minLines and maxLines set, input will expand through the range
await tester.enterText(find.byType(TextField), '');
await tester.pumpWidget(textFieldBuilder(minLines: 3, maxLines: 4));
expect(findInputBox(), equals(inputBox));
expect(inputBox.size, equals(threeLineInputSize));
await tester.enterText(find.byType(TextField), kMoreThanFourLines);
await tester.pump();
expect(inputBox.size.height, greaterThan(threeLineInputSize.height));
expect(inputBox.size.width, threeLineInputSize.width);
// minLines can't be greater than maxLines.
expect(() async {
await tester.pumpWidget(textFieldBuilder(minLines: 3, maxLines: 2));
}, throwsAssertionError);
// maxLines defaults to 1 and can't be less than minLines
expect(() async {
await tester.pumpWidget(textFieldBuilder(minLines: 3));
}, throwsAssertionError);
});
testWidgets('Multiline text when wrapped in Expanded', (WidgetTester tester) async {
Widget expandedTextFieldBuilder({
int? maxLines = 1,
int? minLines,
bool expands = false,
}) {
return boilerplate(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Expanded(
child: TextField(
key: textFieldKey,
style: const TextStyle(color: Colors.black, fontSize: 34.0),
maxLines: maxLines,
minLines: minLines,
expands: expands,
decoration: const InputDecoration(
hintText: 'Placeholder',
),
),
),
],
),
);
}
await tester.pumpWidget(expandedTextFieldBuilder());
RenderBox findBorder() {
return tester.renderObject(find.descendant(
of: find.byType(InputDecorator),
matching: find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_BorderContainer'),
));
}
final RenderBox border = findBorder();
// Without expanded: true and maxLines: null, the TextField does not expand
// to fill its parent when wrapped in an Expanded widget.
final Size unexpandedInputSize = border.size;
// It does expand to fill its parent when expands: true, maxLines: null, and
// it's wrapped in an Expanded widget.
await tester.pumpWidget(expandedTextFieldBuilder(expands: true, maxLines: null));
expect(border.size.height, greaterThan(unexpandedInputSize.height));
expect(border.size.width, unexpandedInputSize.width);
// min/maxLines that is not null and expands: true contradict each other.
expect(() async {
await tester.pumpWidget(expandedTextFieldBuilder(expands: true, maxLines: 4));
}, throwsAssertionError);
expect(() async {
await tester.pumpWidget(expandedTextFieldBuilder(expands: true, minLines: 1, maxLines: null));
}, throwsAssertionError);
});
// Regression test for https://github.com/flutter/flutter/pull/29093
testWidgets('Multiline text when wrapped in IntrinsicHeight', (WidgetTester tester) async {
final Key intrinsicHeightKey = UniqueKey();
Widget intrinsicTextFieldBuilder(bool wrapInIntrinsic) {
final TextFormField textField = TextFormField(
key: textFieldKey,
style: const TextStyle(color: Colors.black, fontSize: 34.0),
maxLines: null,
decoration: const InputDecoration(
counterText: 'I am counter',
),
);
final Widget widget = wrapInIntrinsic
? IntrinsicHeight(key: intrinsicHeightKey, child: textField)
: textField;
return boilerplate(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[widget],
),
);
}
await tester.pumpWidget(intrinsicTextFieldBuilder(false));
expect(find.byKey(intrinsicHeightKey), findsNothing);
RenderBox findEditableText() => tester.renderObject(find.byType(EditableText));
RenderBox editableText = findEditableText();
final Size unwrappedEditableTextSize = editableText.size;
// Wrapping in IntrinsicHeight should not affect the height of the input
await tester.pumpWidget(intrinsicTextFieldBuilder(true));
editableText = findEditableText();
expect(editableText.size.height, unwrappedEditableTextSize.height);
expect(editableText.size.width, unwrappedEditableTextSize.width);
});
// Regression test for https://github.com/flutter/flutter/pull/29093
testWidgets('errorText empty string', (WidgetTester tester) async {
Widget textFormFieldBuilder(String? errorText) {
return boilerplate(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
TextFormField(
key: textFieldKey,
maxLength: 3,
maxLengthEnforced: false,
decoration: InputDecoration(
counterText: '',
errorText: errorText,
),
),
],
),
);
}
await tester.pumpWidget(textFormFieldBuilder(null));
RenderBox findInputBox() => tester.renderObject(find.byKey(textFieldKey));
final RenderBox inputBox = findInputBox();
final Size errorNullInputSize = inputBox.size;
// Setting errorText causes the input's height to increase to accommodate it
await tester.pumpWidget(textFormFieldBuilder('im errorText'));
expect(inputBox, findInputBox());
expect(inputBox.size.height, greaterThan(errorNullInputSize.height));
expect(inputBox.size.width, errorNullInputSize.width);
final Size errorInputSize = inputBox.size;
// Setting errorText to an empty string causes the input's height to
// increase to accommodate it, even though it's not displayed.
// This may or may not be ideal behavior, but it is legacy behavior and
// there are visual tests that rely on it (see Github issue referenced at
// the top of this test). A counterText of empty string does not affect
// input height, however.
await tester.pumpWidget(textFormFieldBuilder(''));
expect(inputBox, findInputBox());
expect(inputBox.size.height, errorInputSize.height);
expect(inputBox.size.width, errorNullInputSize.width);
});
testWidgets('Growable TextField when content height exceeds parent', (WidgetTester tester) async {
const double height = 200.0;
const double padding = 24.0;
Widget containedTextFieldBuilder({
Widget? counter,
String? helperText,
String? labelText,
Widget? prefix,
}) {
return boilerplate(
child: Container(
height: height,
child: TextField(
key: textFieldKey,
maxLines: null,
decoration: InputDecoration(
counter: counter,
helperText: helperText,
labelText: labelText,
prefix: prefix,
),
),
),
);
}
await tester.pumpWidget(containedTextFieldBuilder());
RenderBox findEditableText() => tester.renderObject(find.byType(EditableText));
final RenderBox inputBox = findEditableText();
// With no decoration and when overflowing with content, the EditableText
// takes up the full height minus the padding, so the input fits perfectly
// inside the parent.
await tester.enterText(find.byType(TextField), 'a\n' * 11);
await tester.pump();
expect(findEditableText(), equals(inputBox));
expect(inputBox.size.height, height - padding);
// Adding a counter causes the EditableText to shrink to fit the counter
// inside the parent as well.
const double counterHeight = 40.0;
const double subtextGap = 8.0;
const double counterSpace = counterHeight + subtextGap;
await tester.pumpWidget(containedTextFieldBuilder(
counter: Container(height: counterHeight),
));
expect(findEditableText(), equals(inputBox));
expect(inputBox.size.height, height - padding - counterSpace);
// Including helperText causes the EditableText to shrink to fit the text
// inside the parent as well.
await tester.pumpWidget(containedTextFieldBuilder(
helperText: 'I am helperText',
));
expect(findEditableText(), equals(inputBox));
const double helperTextSpace = 12.0;
expect(inputBox.size.height, height - padding - helperTextSpace - subtextGap);
// When both helperText and counter are present, EditableText shrinks by the
// height of the taller of the two in order to fit both within the parent.
await tester.pumpWidget(containedTextFieldBuilder(
counter: Container(height: counterHeight),
helperText: 'I am helperText',
));
expect(findEditableText(), equals(inputBox));
expect(inputBox.size.height, height - padding - counterSpace);
// When a label is present, EditableText shrinks to fit it at the top so
// that the bottom of the input still lines up perfectly with the parent.
await tester.pumpWidget(containedTextFieldBuilder(
labelText: 'I am labelText',
));
const double labelSpace = 16.0;
expect(findEditableText(), equals(inputBox));
expect(inputBox.size.height, height - padding - labelSpace);
// When decoration is present on the top and bottom, EditableText shrinks to
// fit both inside the parent independently.
await tester.pumpWidget(containedTextFieldBuilder(
counter: Container(height: counterHeight),
labelText: 'I am labelText',
));
expect(findEditableText(), equals(inputBox));
expect(inputBox.size.height, height - padding - counterSpace - labelSpace);
// When a prefix or suffix is present in an input that's full of content,
// it is ignored and allowed to expand beyond the top of the input. Other
// top and bottom decoration is still respected.
await tester.pumpWidget(containedTextFieldBuilder(
counter: Container(height: counterHeight),
labelText: 'I am labelText',
prefix: const SizedBox(
width: 10,
height: 60,
),
));
expect(findEditableText(), equals(inputBox));
expect(
inputBox.size.height,
height
- padding
- labelSpace
- counterSpace,
);
});
testWidgets('Multiline hint text will wrap up to maxLines', (WidgetTester tester) async {
final Key textFieldKey = UniqueKey();
Widget builder(int? maxLines, final String hintMsg) {
return boilerplate(
child: TextField(
key: textFieldKey,
style: const TextStyle(color: Colors.black, fontSize: 34.0),
maxLines: maxLines,
decoration: InputDecoration(
hintText: hintMsg,
),
),
);
}
const String hintPlaceholder = 'Placeholder';
const String multipleLineText = "Here's a text, which is more than one line, to demostrate the multiple line hint text";
await tester.pumpWidget(builder(null, hintPlaceholder));
RenderBox findHintText(String hint) => tester.renderObject(find.text(hint));
final RenderBox hintTextBox = findHintText(hintPlaceholder);
final Size oneLineHintSize = hintTextBox.size;
await tester.pumpWidget(builder(null, hintPlaceholder));
expect(findHintText(hintPlaceholder), equals(hintTextBox));
expect(hintTextBox.size, equals(oneLineHintSize));
const int maxLines = 3;
await tester.pumpWidget(builder(maxLines, multipleLineText));
final Text hintTextWidget = tester.widget(find.text(multipleLineText));
expect(hintTextWidget.maxLines, equals(maxLines));
expect(findHintText(multipleLineText).size.width, greaterThanOrEqualTo(oneLineHintSize.width));
expect(findHintText(multipleLineText).size.height, greaterThanOrEqualTo(oneLineHintSize.height));
});
testWidgets('Can drag handles to change selection in multiline', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController();
await tester.pumpWidget(
overlay(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
controller: controller,
style: const TextStyle(color: Colors.black, fontSize: 34.0),
maxLines: 3,
),
),
);
const String testValue = kThreeLines;
const String cutValue = 'First line of stuff';
await tester.enterText(find.byType(TextField), testValue);
await skipPastScrollingAnimation(tester);
// Check that the text spans multiple lines.
final Offset firstPos = textOffsetToPosition(tester, testValue.indexOf('First'));
final Offset secondPos = textOffsetToPosition(tester, testValue.indexOf('Second'));
final Offset thirdPos = textOffsetToPosition(tester, testValue.indexOf('Third'));
final Offset middleStringPos = textOffsetToPosition(tester, testValue.indexOf('irst'));
expect(firstPos.dx, 0);
expect(secondPos.dx, 0);
expect(thirdPos.dx, 0);
expect(middleStringPos.dx, 34);
expect(firstPos.dx, secondPos.dx);
expect(firstPos.dx, thirdPos.dx);
expect(firstPos.dy, lessThan(secondPos.dy));
expect(secondPos.dy, lessThan(thirdPos.dy));
// Long press the 'n' in 'until' to select the word.
final Offset untilPos = textOffsetToPosition(tester, testValue.indexOf('until')+1);
TestGesture gesture = await tester.startGesture(untilPos, pointer: 7);
await tester.pump(const Duration(seconds: 2));
await gesture.up();
await tester.pump();
await tester.pump(const Duration(milliseconds: 200)); // skip past the frame where the opacity is zero
expect(controller.selection.baseOffset, 39);
expect(controller.selection.extentOffset, 44);
final RenderEditable renderEditable = findRenderEditable(tester);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(controller.selection),
renderEditable,
);
expect(endpoints.length, 2);
// Drag the right handle to the third line, just after 'Third'.
Offset handlePos = endpoints[1].point + const Offset(1.0, 1.0);
Offset newHandlePos = textOffsetToPosition(tester, testValue.indexOf('Third') + 5);
gesture = await tester.startGesture(handlePos, pointer: 7);
await tester.pump();
await gesture.moveTo(newHandlePos);
await tester.pump();
await gesture.up();
await tester.pump();
expect(controller.selection.baseOffset, 39);
expect(controller.selection.extentOffset, 50);
// Drag the left handle to the first line, just after 'First'.
handlePos = endpoints[0].point + const Offset(-1.0, 1.0);
newHandlePos = textOffsetToPosition(tester, testValue.indexOf('First') + 5);
gesture = await tester.startGesture(handlePos, pointer: 7);
await tester.pump();
await gesture.moveTo(newHandlePos);
await tester.pump();
await gesture.up();
await tester.pump();
expect(controller.selection.baseOffset, 5);
expect(controller.selection.extentOffset, 50);
await tester.tap(find.text('Cut'));
await tester.pump();
expect(controller.selection.isCollapsed, true);
expect(controller.text, cutValue);
});
testWidgets('Can scroll multiline input', (WidgetTester tester) async {
final Key textFieldKey = UniqueKey();
final TextEditingController controller = TextEditingController(
text: kMoreThanFourLines,
);
await tester.pumpWidget(
overlay(
child: TextField(
dragStartBehavior: DragStartBehavior.down,
key: textFieldKey,
controller: controller,
style: const TextStyle(color: Colors.black, fontSize: 34.0),
maxLines: 2,
),
),
);
RenderBox findInputBox() => tester.renderObject(find.byKey(textFieldKey));
final RenderBox inputBox = findInputBox();
// Check that the last line of text is not displayed.
final Offset firstPos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('First'));
final Offset fourthPos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('Fourth'));
expect(firstPos.dx, 0);
expect(fourthPos.dx, 0);
expect(firstPos.dx, fourthPos.dx);
expect(firstPos.dy, lessThan(fourthPos.dy));
expect(inputBox.hitTest(BoxHitTestResult(), position: inputBox.globalToLocal(firstPos)), isTrue);
expect(inputBox.hitTest(BoxHitTestResult(), position: inputBox.globalToLocal(fourthPos)), isFalse);
TestGesture gesture = await tester.startGesture(firstPos, pointer: 7);
await tester.pump();
await gesture.moveBy(const Offset(0.0, -1000.0));
await tester.pump(const Duration(seconds: 1));
// Wait and drag again to trigger https://github.com/flutter/flutter/issues/6329
// (No idea why this is necessary, but the bug wouldn't repro without it.)
await gesture.moveBy(const Offset(0.0, -1000.0));
await tester.pump(const Duration(seconds: 1));
await gesture.up();
await tester.pump();
await tester.pump(const Duration(seconds: 1));
// Now the first line is scrolled up, and the fourth line is visible.
Offset newFirstPos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('First'));
Offset newFourthPos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('Fourth'));
expect(newFirstPos.dy, lessThan(firstPos.dy));
expect(inputBox.hitTest(BoxHitTestResult(), position: inputBox.globalToLocal(newFirstPos)), isFalse);
expect(inputBox.hitTest(BoxHitTestResult(), position: inputBox.globalToLocal(newFourthPos)), isTrue);
// Now try scrolling by dragging the selection handle.
// Long press the middle of the word "won't" in the fourth line.
final Offset selectedWordPos = textOffsetToPosition(
tester,
kMoreThanFourLines.indexOf('Fourth line') + 14,
);
gesture = await tester.startGesture(selectedWordPos, pointer: 7);
await tester.pump(const Duration(seconds: 1));
await gesture.up();
await tester.pump();
await tester.pump(const Duration(seconds: 1));
expect(controller.selection.base.offset, 77);
expect(controller.selection.extent.offset, 82);
// Sanity check for the word selected is the intended one.
expect(
controller.text.substring(controller.selection.baseOffset, controller.selection.extentOffset),
"won't",
);
final RenderEditable renderEditable = findRenderEditable(tester);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(controller.selection),
renderEditable,
);
expect(endpoints.length, 2);
// Drag the left handle to the first line, just after 'First'.
final Offset handlePos = endpoints[0].point + const Offset(-1, 1);
final Offset newHandlePos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('First') + 5);
gesture = await tester.startGesture(handlePos, pointer: 7);
await tester.pump(const Duration(seconds: 1));
await gesture.moveTo(newHandlePos + const Offset(0.0, -10.0));
await tester.pump(const Duration(seconds: 1));
await gesture.up();
await tester.pump(const Duration(seconds: 1));
// The text should have scrolled up with the handle to keep the active
// cursor visible, back to its original position.
newFirstPos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('First'));
newFourthPos = textOffsetToPosition(tester, kMoreThanFourLines.indexOf('Fourth'));
expect(newFirstPos.dy, firstPos.dy);
expect(inputBox.hitTest(BoxHitTestResult(), position: inputBox.globalToLocal(newFirstPos)), isTrue);
expect(inputBox.hitTest(BoxHitTestResult(), position: inputBox.globalToLocal(newFourthPos)), isFalse);
});
testWidgets('TextField smoke test', (WidgetTester tester) async {
late String textFieldValue;
await tester.pumpWidget(
overlay(
child: TextField(
decoration: null,
onChanged: (String value) {
textFieldValue = value;
},
),
),
);
Future<void> checkText(String testValue) {
return TestAsyncUtils.guard(() async {
await tester.enterText(find.byType(TextField), testValue);
// Check that the onChanged event handler fired.
expect(textFieldValue, equals(testValue));
await tester.pump();
});
}
await checkText('Hello World');
});
testWidgets('TextField with global key', (WidgetTester tester) async {
final GlobalKey textFieldKey = GlobalKey(debugLabel: 'textFieldKey');
late String textFieldValue;
await tester.pumpWidget(
overlay(
child: TextField(
key: textFieldKey,
decoration: const InputDecoration(
hintText: 'Placeholder',
),
onChanged: (String value) { textFieldValue = value; },
),
),
);
Future<void> checkText(String testValue) async {
return TestAsyncUtils.guard(() async {
await tester.enterText(find.byType(TextField), testValue);
// Check that the onChanged event handler fired.
expect(textFieldValue, equals(testValue));
await tester.pump();
});
}
await checkText('Hello World');
});
testWidgets('TextField errorText trumps helperText', (WidgetTester tester) async {
await tester.pumpWidget(
overlay(
child: const TextField(
decoration: InputDecoration(
errorText: 'error text',
helperText: 'helper text',
),
),
),
);
expect(find.text('helper text'), findsNothing);
expect(find.text('error text'), findsOneWidget);
});
testWidgets('TextField with default helperStyle', (WidgetTester tester) async {
final ThemeData themeData = ThemeData(hintColor: Colors.blue[500]);
await tester.pumpWidget(
overlay(
child: Theme(
data: themeData,
child: const TextField(
decoration: InputDecoration(
helperText: 'helper text',
),
),
),
),
);
final Text helperText = tester.widget(find.text('helper text'));
expect(helperText.style!.color, themeData.hintColor);
expect(helperText.style!.fontSize, Typography.englishLike2014.caption!.fontSize);
});
testWidgets('TextField with specified helperStyle', (WidgetTester tester) async {
final TextStyle style = TextStyle(
inherit: false,
color: Colors.pink[500],
fontSize: 10.0,
);
await tester.pumpWidget(
overlay(
child: TextField(
decoration: InputDecoration(
helperText: 'helper text',
helperStyle: style,
),
),
),
);
final Text helperText = tester.widget(find.text('helper text'));
expect(helperText.style, style);
});
testWidgets('TextField with default hintStyle', (WidgetTester tester) async {
final TextStyle style = TextStyle(
color: Colors.pink[500],
fontSize: 10.0,
);
final ThemeData themeData = ThemeData(
hintColor: Colors.blue[500],
);
await tester.pumpWidget(
overlay(
child: Theme(
data: themeData,
child: TextField(
decoration: const InputDecoration(
hintText: 'Placeholder',
),
style: style,
),
),
),
);
final Text hintText = tester.widget(find.text('Placeholder'));
expect(hintText.style!.color, themeData.hintColor);
expect(hintText.style!.fontSize, style.fontSize);
});
testWidgets('TextField with specified hintStyle', (WidgetTester tester) async {
final TextStyle hintStyle = TextStyle(
inherit: false,
color: Colors.pink[500],
fontSize: 10.0,
);
await tester.pumpWidget(
overlay(
child: TextField(
decoration: InputDecoration(
hintText: 'Placeholder',
hintStyle: hintStyle,
),
),
),
);
final Text hintText = tester.widget(find.text('Placeholder'));
expect(hintText.style, hintStyle);
});
testWidgets('TextField with specified prefixStyle', (WidgetTester tester) async {
final TextStyle prefixStyle = TextStyle(
inherit: false,
color: Colors.pink[500],
fontSize: 10.0,
);
await tester.pumpWidget(
overlay(
child: TextField(
decoration: InputDecoration(
prefixText: 'Prefix:',
prefixStyle: prefixStyle,
),
),
),
);
final Text prefixText = tester.widget(find.text('Prefix:'));
expect(prefixText.style, prefixStyle);
});
testWidgets('TextField with specified suffixStyle', (WidgetTester tester) async {
final TextStyle suffixStyle = TextStyle(
color: Colors.pink[500],
fontSize: 10.0,
);
await tester.pumpWidget(
overlay(
child: TextField(
decoration: InputDecoration(
suffixText: '.com',
suffixStyle: suffixStyle,
),
),
),
);
final Text suffixText = tester.widget(find.text('.com'));
expect(suffixText.style, suffixStyle);
});
testWidgets('TextField prefix and suffix appear correctly with no hint or label', (WidgetTester tester) async {
final Key secondKey = UniqueKey();
await tester.pumpWidget(
overlay(
child: Column(
children: <Widget>[
const TextField(
decoration: InputDecoration(
labelText: 'First',
),
),
TextField(
key: secondKey,
decoration: const InputDecoration(
prefixText: 'Prefix',
suffixText: 'Suffix',
),
),
],
),
),
);
expect(find.text('Prefix'), findsOneWidget);
expect(find.text('Suffix'), findsOneWidget);
// Focus the Input. The prefix should still display.
await tester.tap(find.byKey(secondKey));
await tester.pump();
expect(find.text('Prefix'), findsOneWidget);
expect(find.text('Suffix'), findsOneWidget);
// Enter some text, and the prefix should still display.
await tester.enterText(find.byKey(secondKey), 'Hi');
await tester.pump();
await tester.pump(const Duration(seconds: 1));
expect(find.text('Prefix'), findsOneWidget);
expect(find.text('Suffix'), findsOneWidget);
});
testWidgets('TextField prefix and suffix appear correctly with hint text', (WidgetTester tester) async {
final TextStyle hintStyle = TextStyle(
inherit: false,
color: Colors.pink[500],
fontSize: 10.0,
);
final Key secondKey = UniqueKey();
await tester.pumpWidget(
overlay(
child: Column(
children: <Widget>[
const TextField(
decoration: InputDecoration(
labelText: 'First',
),
),
TextField(
key: secondKey,
decoration: InputDecoration(
hintText: 'Hint',
hintStyle: hintStyle,
prefixText: 'Prefix',
suffixText: 'Suffix',
),
),
],
),
),
);
// Neither the prefix or the suffix should initially be visible, only the hint.
expect(getOpacity(tester, find.text('Prefix')), 0.0);
expect(getOpacity(tester, find.text('Suffix')), 0.0);
expect(getOpacity(tester, find.text('Hint')), 1.0);
await tester.tap(find.byKey(secondKey));
await tester.pumpAndSettle();
// Focus the Input. The hint, prefix, and suffix should appear
expect(getOpacity(tester, find.text('Prefix')), 1.0);
expect(getOpacity(tester, find.text('Suffix')), 1.0);
expect(getOpacity(tester, find.text('Hint')), 1.0);
// Enter some text, and the hint should disappear and the prefix and suffix
// should continue to be visible
await tester.enterText(find.byKey(secondKey), 'Hi');
await tester.pumpAndSettle();
expect(getOpacity(tester, find.text('Prefix')), 1.0);
expect(getOpacity(tester, find.text('Suffix')), 1.0);
expect(getOpacity(tester, find.text('Hint')), 0.0);
// Check and make sure that the right styles were applied.
final Text prefixText = tester.widget(find.text('Prefix'));
expect(prefixText.style, hintStyle);
final Text suffixText = tester.widget(find.text('Suffix'));
expect(suffixText.style, hintStyle);
});
testWidgets('TextField prefix and suffix appear correctly with label text', (WidgetTester tester) async {
final TextStyle prefixStyle = TextStyle(
color: Colors.pink[500],
fontSize: 10.0,
);
final TextStyle suffixStyle = TextStyle(
color: Colors.green[500],
fontSize: 12.0,
);
final Key secondKey = UniqueKey();
await tester.pumpWidget(
overlay(
child: Column(
children: <Widget>[
const TextField(
decoration: InputDecoration(
labelText: 'First',
),
),
TextField(
key: secondKey,
decoration: InputDecoration(
labelText: 'Label',
prefixText: 'Prefix',
prefixStyle: prefixStyle,
suffixText: 'Suffix',
suffixStyle: suffixStyle,
),
),
],
),
),
);
// Not focused. The prefix and suffix should not appear, but the label should.
expect(getOpacity(tester, find.text('Prefix')), 0.0);
expect(getOpacity(tester, find.text('Suffix')), 0.0);
expect(find.text('Label'), findsOneWidget);
// Focus the input. The label, prefix, and suffix should appear.
await tester.tap(find.byKey(secondKey));
await tester.pumpAndSettle();
expect(getOpacity(tester, find.text('Prefix')), 1.0);
expect(getOpacity(tester, find.text('Suffix')), 1.0);
expect(find.text('Label'), findsOneWidget);
// Enter some text. The label, prefix, and suffix should remain visible.
await tester.enterText(find.byKey(secondKey), 'Hi');
await tester.pumpAndSettle();
expect(getOpacity(tester, find.text('Prefix')), 1.0);
expect(getOpacity(tester, find.text('Suffix')), 1.0);