blob: a3861c03f1f45dea1bd3336aa20c2ea765d28ab2 [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
Widget buildInputDecorator({
InputDecoration decoration: const InputDecoration(),
InputDecorationTheme inputDecorationTheme,
TextDirection textDirection: TextDirection.ltr,
bool isEmpty: false,
bool isFocused: false,
TextStyle baseStyle,
Widget child: const Text(
'text',
style: const TextStyle(fontFamily: 'Ahem', fontSize: 16.0),
),
}) {
return new MaterialApp(
home: new Material(
child: new Builder(
builder: (BuildContext context) {
return new Theme(
data: Theme.of(context).copyWith(
inputDecorationTheme: inputDecorationTheme,
),
child: new Align(
alignment: Alignment.topLeft,
child: new Directionality(
textDirection: textDirection,
child: new InputDecorator(
decoration: decoration,
isEmpty: isEmpty,
isFocused: isFocused,
baseStyle: baseStyle,
child: child,
),
),
),
);
},
),
),
);
}
Finder findBorderPainter() {
return find.descendant(
of: find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_BorderContainer'),
matching: find.byWidgetPredicate((Widget w) => w is CustomPaint),
);
}
double getBorderBottom(WidgetTester tester) {
final RenderBox box = InputDecorator.containerOf(tester.element(findBorderPainter()));
return box.size.height;
}
BorderSide getBorderSide(WidgetTester tester) {
if (!tester.any(findBorderPainter()))
return null;
final CustomPaint customPaint = tester.widget(findBorderPainter());
final dynamic/* _InputBorderPainter */ inputBorderPainter = customPaint.foregroundPainter;
final dynamic/*_InputBorderTween */ inputBorderTween = inputBorderPainter.border;
final Animation<double> animation = inputBorderPainter.borderAnimation;
final dynamic/*_InputBorder */ border = inputBorderTween.evaluate(animation);
return border.borderSide;
}
double getBorderWeight(WidgetTester tester) => getBorderSide(tester)?.width;
Color getBorderColor(WidgetTester tester) => getBorderSide(tester)?.color;
double getHintOpacity(WidgetTester tester) {
final Opacity opacityWidget = tester.widget<Opacity>(
find.ancestor(
of: find.text('hint'),
matching: find.byType(Opacity),
).last
);
return opacityWidget.opacity;
}
void main() {
testWidgets('InputDecorator input/label layout', (WidgetTester tester) async {
// The label appears above the input text
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
),
),
);
// Overall height for this InputDecorator is 56dps:
// 12 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
// isFocused: true increases the border's weight from 1.0 to 2.0
// but does not change the overall height.
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
isFocused: true,
decoration: const InputDecoration(
labelText: 'label',
),
),
);
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 2.0);
// isEmpty: true causes the label to be aligned with the input text
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: false,
decoration: const InputDecoration(
labelText: 'label',
),
),
);
// The label animates downwards from it's initial position
// above the input text. The animation's duration is 200ms.
{
await tester.pump(const Duration(milliseconds: 50));
final double labelY50ms = tester.getTopLeft(find.text('label')).dy;
expect(labelY50ms, inExclusiveRange(12.0, 20.0));
await tester.pump(const Duration(milliseconds: 50));
final double labelY100ms = tester.getTopLeft(find.text('label')).dy;
expect(labelY100ms, inExclusiveRange(labelY50ms, 20.0));
}
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
// isFocused: true causes the label to move back up above the input text.
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: true,
decoration: const InputDecoration(
labelText: 'label',
),
),
);
// The label animates upwards from it's initial position
// above the input text. The animation's duration is 200ms.
{
await tester.pump(const Duration(milliseconds: 50));
final double labelY50ms = tester.getTopLeft(find.text('label')).dy;
expect(labelY50ms, inExclusiveRange(12.0, 28.0));
await tester.pump(const Duration(milliseconds: 50));
final double labelY100ms = tester.getTopLeft(find.text('label')).dy;
expect(labelY100ms, inExclusiveRange(12.0, labelY50ms));
}
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 2.0);
// enabled: false produces a hairline border if filled: false (the default)
// The widget's size and layout is the same as for enabled: true.
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: false,
decoration: const InputDecoration(
labelText: 'label',
enabled: false,
),
),
);
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getBorderWeight(tester), 0.0);
// enabled: false produces a transparent border if filled: true.
// The widget's size and layout is the same as for enabled: true.
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: false,
decoration: const InputDecoration(
labelText: 'label',
enabled: false,
filled: true,
),
),
);
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getBorderColor(tester), Colors.transparent);
});
// Overall height for this InputDecorator is 40.0dps
// 12 - top padding
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
testWidgets('InputDecorator input/hint layout', (WidgetTester tester) async {
// The hint aligns with the input text
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
// isFocused: false (default)
decoration: const InputDecoration(
hintText: 'hint',
),
),
);
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 40.0));
expect(tester.getTopLeft(find.text('text')).dy, 12.0);
expect(tester.getBottomLeft(find.text('text')).dy, 28.0);
expect(tester.getTopLeft(find.text('hint')).dy, 12.0);
expect(tester.getBottomLeft(find.text('hint')).dy, 28.0);
expect(getBorderBottom(tester), 40.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getSize(find.text('hint')).width, tester.getSize(find.text('text')).width);
});
testWidgets('InputDecorator input/label/hint layout', (WidgetTester tester) async {
// Label is visible, hint is not (opacity 0.0).
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
),
),
);
// Overall height for this InputDecorator is 56dps. When the
// label is "floating" (empty input or no focus) the layout is:
//
// 12 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
//
// When the label is not floating, it's vertically centered.
//
// 20 - top padding
// 16 - label (ahem font size 16dps)
// 20 - bottom padding (empty input text still appears here)
// The label is not floating so it's vertically centered.
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getHintOpacity(tester), 0.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
// Label moves upwards, hint is visible (opacity 1.0).
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: true,
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
),
),
);
// The hint's opacity animates from 0.0 to 1.0.
// The animation's duration is 200ms.
{
await tester.pump(const Duration(milliseconds: 50));
final double hintOpacity50ms = getHintOpacity(tester);
expect(hintOpacity50ms, inExclusiveRange(0.0, 1.0));
await tester.pump(const Duration(milliseconds: 50));
final double hintOpacity100ms = getHintOpacity(tester);
expect(hintOpacity100ms, inExclusiveRange(hintOpacity50ms, 1.0));
}
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(tester.getTopLeft(find.text('hint')).dy, 28.0);
expect(tester.getBottomLeft(find.text('hint')).dy, 44.0);
expect(getHintOpacity(tester), 1.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 2.0);
await tester.pumpWidget(
buildInputDecorator(
isEmpty: false,
isFocused: true,
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
),
),
);
// The hint's opacity animates from 1.0 to 0.0.
// The animation's duration is 200ms.
{
await tester.pump(const Duration(milliseconds: 50));
final double hintOpacity50ms = getHintOpacity(tester);
expect(hintOpacity50ms, inExclusiveRange(0.0, 1.0));
await tester.pump(const Duration(milliseconds: 50));
final double hintOpacity100ms = getHintOpacity(tester);
expect(hintOpacity100ms, inExclusiveRange(0.0, hintOpacity50ms));
}
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(tester.getTopLeft(find.text('hint')).dy, 28.0);
expect(tester.getBottomLeft(find.text('hint')).dy, 44.0);
expect(getHintOpacity(tester), 0.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 2.0);
});
testWidgets('InputDecorator input/label/hint dense layout', (WidgetTester tester) async {
// Label is visible, hint is not (opacity 0.0).
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
isDense: true,
),
),
);
// Overall height for this InputDecorator is 48dps. When the
// label is "floating" (empty input or no focus) the layout is:
//
// 8 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 8 - bottom padding
//
// When the label is not floating, it's vertically centered.
//
// 16 - top padding
// 16 - label (ahem font size 16dps)
// 16 - bottom padding (empty input text still appears here)
// The label is not floating so it's vertically centered.
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 48.0));
expect(tester.getTopLeft(find.text('text')).dy, 24.0);
expect(tester.getBottomLeft(find.text('text')).dy, 40.0);
expect(tester.getTopLeft(find.text('label')).dy, 16.0);
expect(tester.getBottomLeft(find.text('label')).dy, 32.0);
expect(getHintOpacity(tester), 0.0);
expect(getBorderBottom(tester), 48.0);
expect(getBorderWeight(tester), 1.0);
// Label is visible, hint is not (opacity 0.0).
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: true,
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
isDense: true,
),
),
);
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 48.0));
expect(tester.getTopLeft(find.text('text')).dy, 24.0);
expect(tester.getBottomLeft(find.text('text')).dy, 40.0);
expect(tester.getTopLeft(find.text('label')).dy, 8.0);
expect(tester.getBottomLeft(find.text('label')).dy, 20.0);
expect(getHintOpacity(tester), 1.0);
expect(getBorderBottom(tester), 48.0);
expect(getBorderWeight(tester), 2.0);
});
testWidgets('InputDecorator with no input border', (WidgetTester tester) async {
// Label is visible, hint is not (opacity 0.0).
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
// isFocused: false (default)
decoration: const InputDecoration(
border: InputBorder.none,
),
),
);
expect(getBorderWeight(tester), 0.0);
});
testWidgets('InputDecorator error/helper/counter layout', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
helperText: 'helper',
counterText: 'counter',
filled: true,
),
),
);
// Overall height for this InputDecorator is 76dps. When the label is
// floating the layout is:
//
// 12 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
// 8 - below the border padding
// 12 - help/error/counter text (ahem font size 12dps)
//
// When the label is not floating, it's vertically centered in the space
// above the subtext:
//
// 20 - top padding
// 16 - label (ahem font size 16dps)
// 20 - bottom padding (empty input text still appears here)
// 8 - below the border padding
// 12 - help/error/counter text (ahem font size 12dps)
// isEmpty: true, the label is not floating
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 76.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('helper')), const Offset(12.0, 64.0));
expect(tester.getTopRight(find.text('counter')), const Offset(788.0, 64.0));
// If errorText is specified then the helperText isn't shown
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
errorText: 'error',
helperText: 'helper',
counterText: 'counter',
filled: true,
),
),
);
await tester.pumpAndSettle();
// isEmpty: false, the label _is_ floating
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 76.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('error')), const Offset(12.0, 64.0));
expect(tester.getTopRight(find.text('counter')), const Offset(788.0, 64.0));
expect(find.text('helper'), findsNothing);
// Overall height for this dense layout InputDecorator is 68dps. When the
// label is floating the layout is:
//
// 8 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 8 - bottom padding
// 8 - below the border padding
// 12 - help/error/counter text (ahem font size 12dps)
//
// When the label is not floating, it's vertically centered in the space
// above the subtext:
//
// 16 - top padding
// 16 - label (ahem font size 16dps)
// 16 - bottom padding (empty input text still appears here)
// 8 - below the border padding
// 12 - help/error/counter text (ahem font size 12dps)
// The layout of the error/helper/counter subtext doesn't change for dense layout.
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
isDense: true,
labelText: 'label',
errorText: 'error',
helperText: 'helper',
counterText: 'counter',
filled: true,
),
),
);
await tester.pumpAndSettle();
// isEmpty: false, the label _is_ floating
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 68.0));
expect(tester.getTopLeft(find.text('text')).dy, 24.0);
expect(tester.getBottomLeft(find.text('text')).dy, 40.0);
expect(tester.getTopLeft(find.text('label')).dy, 8.0);
expect(tester.getBottomLeft(find.text('label')).dy, 20.0);
expect(getBorderBottom(tester), 48.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('error')), const Offset(12.0, 56.0));
expect(tester.getTopRight(find.text('counter')), const Offset(788.0, 56.0));
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
// isFocused: false (default)
decoration: const InputDecoration(
isDense: true,
labelText: 'label',
errorText: 'error',
helperText: 'helper',
counterText: 'counter',
filled: true,
),
),
);
await tester.pumpAndSettle();
// isEmpty: false, the label is not floating
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 68.0));
expect(tester.getTopLeft(find.text('text')).dy, 24.0);
expect(tester.getBottomLeft(find.text('text')).dy, 40.0);
expect(tester.getTopLeft(find.text('label')).dy, 16.0);
expect(tester.getBottomLeft(find.text('label')).dy, 32.0);
expect(getBorderBottom(tester), 48.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('error')), const Offset(12.0, 56.0));
expect(tester.getTopRight(find.text('counter')), const Offset(788.0, 56.0));
});
testWidgets('InputDecorator prefix/suffix', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
prefixText: 'p',
suffixText: 's',
filled: true,
),
),
);
// Overall height for this InputDecorator is 40dps:
// 12 - top padding
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
//
// The prefix and suffix wrap the input text and are left and right justified
// respectively. They should have the same height as the input text (16).
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 40.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getSize(find.text('p')).height, 16.0);
expect(tester.getSize(find.text('s')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 12.0);
expect(tester.getTopLeft(find.text('p')).dy, 12.0);
expect(tester.getTopLeft(find.text('p')).dx, 12.0);
expect(tester.getTopLeft(find.text('s')).dy, 12.0);
expect(tester.getTopRight(find.text('s')).dx, 788.0);
// layout is a row: [p text s]
expect(tester.getTopLeft(find.text('p')).dx, 12.0);
expect(tester.getTopRight(find.text('p')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('text')).dx));
expect(tester.getTopRight(find.text('text')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('s')).dx));
});
testWidgets('InputDecorator icon/prefix/suffix', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
prefixText: 'p',
suffixText: 's',
icon: const Icon(Icons.android),
filled: true,
),
),
);
// Overall height for this InputDecorator is 40dps:
// 12 - top padding
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 40.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getSize(find.text('p')).height, 16.0);
expect(tester.getSize(find.text('s')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 12.0);
expect(tester.getTopLeft(find.text('p')).dy, 12.0);
expect(tester.getTopLeft(find.text('s')).dy, 12.0);
expect(tester.getTopRight(find.text('s')).dx, 788.0);
expect(tester.getSize(find.byType(Icon)).height, 24.0);
// The 24dps high icon is centered on the 16dps high input line
expect(tester.getTopLeft(find.byType(Icon)).dy, 8.0);
// layout is a row: [icon, p text s]
expect(tester.getTopLeft(find.byType(Icon)).dx, 0.0);
expect(tester.getTopRight(find.byType(Icon)).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('p')).dx));
expect(tester.getTopRight(find.text('p')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('text')).dx));
expect(tester.getTopRight(find.text('text')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('s')).dx));
});
testWidgets('InputDecorator error/helper/counter RTL layout', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
textDirection: TextDirection.rtl,
decoration: const InputDecoration(
labelText: 'label',
helperText: 'helper',
counterText: 'counter',
filled: true,
),
),
);
// Overall height for this InputDecorator is 76dps:
// 12 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
// 8 - below the border padding
// 12 - [counter helper/error] (ahem font size 12dps)
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 76.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('counter')), const Offset(12.0, 64.0));
expect(tester.getTopRight(find.text('helper')), const Offset(788.0, 64.0));
// If both error and helper are specified, show the error
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
textDirection: TextDirection.rtl,
decoration: const InputDecoration(
labelText: 'label',
helperText: 'helper',
errorText: 'error',
counterText: 'counter',
filled: true,
),
),
);
await tester.pumpAndSettle();
expect(tester.getTopLeft(find.text('counter')), const Offset(12.0, 64.0));
expect(tester.getTopRight(find.text('error')), const Offset(788.0, 64.0));
expect(find.text('helper'), findsNothing);
});
testWidgets('InputDecorator prefix/suffix RTL', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
textDirection: TextDirection.rtl,
decoration: const InputDecoration(
prefixText: 'p',
suffixText: 's',
filled: true,
),
),
);
// Overall height for this InputDecorator is 40dps:
// 12 - top padding
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 40.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getSize(find.text('p')).height, 16.0);
expect(tester.getSize(find.text('s')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 12.0);
expect(tester.getTopLeft(find.text('p')).dy, 12.0);
expect(tester.getTopLeft(find.text('s')).dy, 12.0);
// layout is a row: [s text p]
expect(tester.getTopLeft(find.text('s')).dx, 12.0);
expect(tester.getTopRight(find.text('s')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('text')).dx));
expect(tester.getTopRight(find.text('text')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('p')).dx));
});
testWidgets('InputDecorator prefix/suffix dense layout', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
isFocused: true,
decoration: const InputDecoration(
isDense: true,
prefixText: 'p',
suffixText: 's',
filled: true,
),
),
);
// Overall height for this InputDecorator is 32dps:
// 8 - top padding
// 16 - input text (ahem font size 16dps)
// 8 - bottom padding
//
// The only difference from normal layout for this case is that the
// padding above and below the prefix, input text, suffix, is 8 instead of 12.
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 32.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getSize(find.text('p')).height, 16.0);
expect(tester.getSize(find.text('s')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 8.0);
expect(tester.getTopLeft(find.text('p')).dy, 8.0);
expect(tester.getTopLeft(find.text('p')).dx, 12.0);
expect(tester.getTopLeft(find.text('s')).dy, 8.0);
expect(tester.getTopRight(find.text('s')).dx, 788.0);
// layout is a row: [p text s]
expect(tester.getTopLeft(find.text('p')).dx, 12.0);
expect(tester.getTopRight(find.text('p')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('text')).dx));
expect(tester.getTopRight(find.text('text')).dx, lessThanOrEqualTo(tester.getTopLeft(find.text('s')).dx));
expect(getBorderBottom(tester), 32.0);
expect(getBorderWeight(tester), 2.0);
});
testWidgets('InputDecorator with empty InputDecoration', (WidgetTester tester) async {
await tester.pumpWidget(buildInputDecorator());
// Overall height for this InputDecorator is 40dps:
// 12 - top padding
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 40.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 12.0);
expect(getBorderBottom(tester), 40.0);
expect(getBorderWeight(tester), 1.0);
});
testWidgets('InputDecorator.collapsed', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default),
// isFocused: false (default)
decoration: const InputDecoration.collapsed(
hintText: 'hint',
),
),
);
// Overall height for this InputDecorator is 16dps:
// 16 - input text (ahem font size 16dps)
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 16.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 0.0);
expect(getHintOpacity(tester), 0.0);
expect(getBorderWeight(tester), 0.0);
// The hint should appear
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: true,
decoration: const InputDecoration.collapsed(
hintText: 'hint',
),
),
);
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 16.0));
expect(tester.getSize(find.text('text')).height, 16.0);
expect(tester.getTopLeft(find.text('text')).dy, 0.0);
expect(tester.getSize(find.text('hint')).height, 16.0);
expect(tester.getTopLeft(find.text('hint')).dy, 0.0);
expect(getBorderWeight(tester), 0.0);
});
testWidgets('InputDecorator with baseStyle', (WidgetTester tester) async {
// Setting the baseStyle of the InputDecoration and the style of the input
// text child to a smaller font reduces the InputDecoration's vertical size.
const TextStyle style = const TextStyle(fontFamily: 'Ahem', fontSize: 10.0);
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true,
isFocused: false,
baseStyle: style,
decoration: const InputDecoration(
hintText: 'hint',
labelText: 'label',
),
child: const Text('text', style: style),
),
);
// Overall height for this InputDecorator is 45.5dps. When the label is
// floating the layout is:
//
// 12 - top padding
// 7.5 - floating label (ahem font size 10dps * 0.75 = 7.5)
// 4 - floating label / input text gap
// 10 - input text (ahem font size 10dps)
// 12 - bottom padding
//
// When the label is not floating, it's vertically centered.
//
// 17.75 - top padding
// 10 - label (ahem font size 10dps)
// 17.75 - bottom padding (empty input text still appears here)
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 45.5));
expect(tester.getSize(find.text('hint')).height, 10.0);
expect(tester.getSize(find.text('label')).height, 10.0);
expect(tester.getSize(find.text('text')).height, 10.0);
expect(tester.getTopLeft(find.text('hint')).dy, 23.5);
expect(tester.getTopLeft(find.text('label')).dy, 17.75);
expect(tester.getTopLeft(find.text('text')).dy, 23.5);
});
testWidgets('InputDecorator with empty style overrides', (WidgetTester tester) async {
// Same as not specifying any style overrides
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
helperText: 'helper',
counterText: 'counter',
labelStyle: const TextStyle(),
hintStyle: const TextStyle(),
errorStyle: const TextStyle(),
helperStyle: const TextStyle(),
filled: true,
),
),
);
// Overall height for this InputDecorator is 76dps. When the label is
// floating the layout is:
// 12 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - input text (ahem font size 16dps)
// 12 - bottom padding
// 8 - below the border padding
// 12 - help/error/counter text (ahem font size 12dps)
// Label is floating because isEmpty is false.
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 76.0));
expect(tester.getTopLeft(find.text('text')).dy, 28.0);
expect(tester.getBottomLeft(find.text('text')).dy, 44.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('helper')), const Offset(12.0, 64.0));
expect(tester.getTopRight(find.text('counter')), const Offset(788.0, 64.0));
});
testWidgets('InputDecorationTheme outline border', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true, // label appears, vertically centered
// isFocused: false (default)
inputDecorationTheme: const InputDecorationTheme(
border: const OutlineInputBorder(),
),
decoration: const InputDecoration(
labelText: 'label',
),
),
);
// Overall height for this InputDecorator is 56dps. Layout is:
// 20 - top padding
// 16 - label (ahem font size 16dps)
// 20 - bottom padding
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
});
testWidgets('InputDecorationTheme outline border, dense layout', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true, // label appears, vertically centered
// isFocused: false (default)
inputDecorationTheme: const InputDecorationTheme(
border: const OutlineInputBorder(),
isDense: true,
),
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
),
),
);
// Overall height for this InputDecorator is 56dps. Layout is:
// 16 - top padding
// 16 - label (ahem font size 16dps)
// 16 - bottom padding
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 48.0));
expect(tester.getTopLeft(find.text('label')).dy, 16.0);
expect(tester.getBottomLeft(find.text('label')).dy, 32.0);
expect(getBorderBottom(tester), 48.0);
expect(getBorderWeight(tester), 1.0);
});
testWidgets('InputDecorationTheme style overrides', (WidgetTester tester) async {
const TextStyle style16 = const TextStyle(fontFamily: 'Ahem', fontSize: 16.0);
final TextStyle labelStyle = style16.merge(const TextStyle(color: Colors.red));
final TextStyle hintStyle = style16.merge(const TextStyle(color: Colors.green));
final TextStyle prefixStyle = style16.merge(const TextStyle(color: Colors.blue));
final TextStyle suffixStyle = style16.merge(const TextStyle(color: Colors.purple));
const TextStyle style12 = const TextStyle(fontFamily: 'Ahem', fontSize: 12.0);
final TextStyle helperStyle = style12.merge(const TextStyle(color: Colors.orange));
final TextStyle counterStyle = style12.merge(const TextStyle(color: Colors.orange));
// This test also verifies that the default InputDecorator provides a
// "small concession to backwards compatibility" by not padding on
// the left and right. If filled is true or an outline border is
// provided then the horizontal padding is included.
await tester.pumpWidget(
buildInputDecorator(
isEmpty: true, // label appears, vertically centered
// isFocused: false (default)
inputDecorationTheme: new InputDecorationTheme(
labelStyle: labelStyle,
hintStyle: hintStyle,
prefixStyle: prefixStyle,
suffixStyle: suffixStyle,
helperStyle: helperStyle,
counterStyle: counterStyle,
// filled: false (default) - don't pad by left/right 12dps
),
decoration: const InputDecoration(
labelText: 'label',
hintText: 'hint',
prefixText: 'prefix',
suffixText: 'suffix',
helperText: 'helper',
counterText: 'counter',
),
),
);
// Overall height for this InputDecorator is 76dps. Layout is:
// 12 - top padding
// 12 - floating label (ahem font size 16dps * 0.75 = 12)
// 4 - floating label / input text gap
// 16 - prefix/hint/input/suffix text (ahem font size 16dps)
// 12 - bottom padding
// 8 - below the border padding
// 12 - help/error/counter text (ahem font size 12dps)
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 76.0));
expect(tester.getTopLeft(find.text('label')).dy, 20.0);
expect(tester.getBottomLeft(find.text('label')).dy, 36.0);
expect(getBorderBottom(tester), 56.0);
expect(getBorderWeight(tester), 1.0);
expect(tester.getTopLeft(find.text('helper')), const Offset(0.0, 64.0));
expect(tester.getTopRight(find.text('counter')), const Offset(800.0, 64.0));
// Verify that the styles were passed along
expect(tester.widget<Text>(find.text('prefix')).style.color, prefixStyle.color);
expect(tester.widget<Text>(find.text('suffix')).style.color, suffixStyle.color);
expect(tester.widget<Text>(find.text('helper')).style.color, helperStyle.color);
expect(tester.widget<Text>(find.text('counter')).style.color, counterStyle.color);
TextStyle getLabelStyle() {
return tester.firstWidget<AnimatedDefaultTextStyle>(
find.ancestor(
of: find.text('label'),
matching: find.byType(AnimatedDefaultTextStyle)
)
).style;
}
expect(getLabelStyle().color, labelStyle.color);
});
testWidgets('InputDecorator.toString()', (WidgetTester tester) async {
const Widget child = const InputDecorator(
key: const Key('key'),
decoration: const InputDecoration(),
baseStyle: const TextStyle(),
textAlign: TextAlign.center,
isFocused: false,
isEmpty: false,
child: const Placeholder(),
);
expect(
child.toString(),
"InputDecorator-[<'key'>](decoration: InputDecoration(), baseStyle: TextStyle(<all styles inherited>), isFocused: false, isEmpty: false)",
);
});
testWidgets('InputDecorator.debugDescribeChildren', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
decoration: const InputDecoration(
icon: const Text('icon'),
labelText: 'label',
hintText: 'hint',
prefixText: 'prefix',
suffixText: 'suffix',
prefixIcon: const Text('prefixIcon'),
suffixIcon: const Text('suffixIcon'),
helperText: 'helper',
counterText: 'counter',
),
child: const Text('text'),
),
);
final RenderObject renderer = tester.renderObject(find.byType(InputDecorator));
final Iterable<String> nodeNames = renderer.debugDescribeChildren()
.map((DiagnosticsNode node) => node.name);
expect(nodeNames, unorderedEquals(<String>[
'container',
'counter',
'helperError',
'hint',
'icon',
'input',
'label',
'prefix',
'prefixIcon',
'suffix',
'suffixIcon',
]));
final Set<Object> nodeValues = new Set<Object>.from(
renderer.debugDescribeChildren().map<Object>((DiagnosticsNode node) => node.value)
);
expect(nodeValues.length, 11);
});
testWidgets('InputDecorator with empty border and label', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/14165
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
labelText: 'label',
border: InputBorder.none,
),
),
);
expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
expect(getBorderWeight(tester), 0.0);
expect(tester.getTopLeft(find.text('label')).dy, 12.0);
expect(tester.getBottomLeft(find.text('label')).dy, 24.0);
});
testWidgets('InputDecorationTheme.inputDecoration', (WidgetTester tester) async {
const TextStyle themeStyle = const TextStyle(color: Colors.green);
const TextStyle decorationStyle = const TextStyle(color: Colors.blue);
// InputDecorationTheme arguments define InputDecoration properties.
InputDecoration decoration = const InputDecoration().applyDefaults(
const InputDecorationTheme(
labelStyle: themeStyle,
helperStyle: themeStyle,
hintStyle: themeStyle,
errorStyle: themeStyle,
isDense: true,
contentPadding: const EdgeInsets.all(1.0),
prefixStyle: themeStyle,
suffixStyle: themeStyle,
counterStyle: themeStyle,
filled: true,
fillColor: Colors.red,
border: InputBorder.none,
)
);
expect(decoration.labelStyle, themeStyle);
expect(decoration.helperStyle, themeStyle);
expect(decoration.hintStyle, themeStyle);
expect(decoration.errorStyle, themeStyle);
expect(decoration.isDense, true);
expect(decoration.contentPadding, const EdgeInsets.all(1.0));
expect(decoration.prefixStyle, themeStyle);
expect(decoration.suffixStyle, themeStyle);
expect(decoration.counterStyle, themeStyle);
expect(decoration.filled, true);
expect(decoration.fillColor, Colors.red);
expect(decoration.border, InputBorder.none);
// InputDecoration (baseDecoration) defines InputDecoration properties
decoration = const InputDecoration(
labelStyle: decorationStyle,
helperStyle: decorationStyle,
hintStyle: decorationStyle,
errorStyle: decorationStyle,
isDense: false,
contentPadding: const EdgeInsets.all(4.0),
prefixStyle: decorationStyle,
suffixStyle: decorationStyle,
counterStyle: decorationStyle,
filled: false,
fillColor: Colors.blue,
border: const OutlineInputBorder(),
).applyDefaults(
const InputDecorationTheme(
labelStyle: themeStyle,
helperStyle: themeStyle,
hintStyle: themeStyle,
errorStyle: themeStyle,
isDense: true,
contentPadding: const EdgeInsets.all(1.0),
prefixStyle: themeStyle,
suffixStyle: themeStyle,
counterStyle: themeStyle,
filled: true,
fillColor: Colors.red,
border: InputBorder.none,
),
);
expect(decoration.labelStyle, decorationStyle);
expect(decoration.helperStyle, decorationStyle);
expect(decoration.hintStyle, decorationStyle);
expect(decoration.errorStyle, decorationStyle);
expect(decoration.isDense, false);
expect(decoration.contentPadding, const EdgeInsets.all(4.0));
expect(decoration.prefixStyle, decorationStyle);
expect(decoration.suffixStyle, decorationStyle);
expect(decoration.counterStyle, decorationStyle);
expect(decoration.filled, false);
expect(decoration.fillColor, Colors.blue);
expect(decoration.border, const OutlineInputBorder());
});
testWidgets('InputDecorator OutlineInputBorder fillColor is clipped by border', (WidgetTester tester) async {
// This is a regression test for https://github.com/flutter/flutter/issues/15742
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: new InputDecoration(
filled: true,
fillColor: const Color(0xFF00FF00),
border: new OutlineInputBorder(
borderRadius: new BorderRadius.circular(12.0),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(InputDecorator));
// Fill is the border's outer path, a rounded rectangle
expect(box, paints..path(
style: PaintingStyle.fill,
color: const Color(0xFF00FF00),
includes: <Offset>[const Offset(800.0/2.0, 56/2.0)],
excludes: <Offset>[
const Offset(1.0, 6.0), // outside the rounded corner, top left
const Offset(800.0 - 1.0, 6.0), // top right
const Offset(1.0, 56.0 - 6.0), // bottom left
const Offset(800 - 1.0, 56.0 - 6.0), // bottom right
],
));
// Border outline. The rrect is the -center- of the 1.0 stroked outline.
expect(box, paints..rrect(
style: PaintingStyle.stroke,
strokeWidth: 1.0,
rrect: new RRect.fromLTRBR(0.5, 0.5, 799.5, 55.5, const Radius.circular(11.5)),
));
});
testWidgets('InputDecorator UnderlineInputBorder fillColor is clipped by border', (WidgetTester tester) async {
await tester.pumpWidget(
buildInputDecorator(
// isEmpty: false (default)
// isFocused: false (default)
decoration: const InputDecoration(
filled: true,
fillColor: const Color(0xFF00FF00),
border: const UnderlineInputBorder(
borderRadius: const BorderRadius.only(
bottomLeft: const Radius.circular(12.0),
bottomRight: const Radius.circular(12.0),
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(InputDecorator));
// Fill is the border's outer path, a rounded rectangle
expect(box, paints..path(
style: PaintingStyle.fill,
color: const Color(0xFF00FF00),
includes: <Offset>[const Offset(800.0/2.0, 56/2.0)],
excludes: <Offset>[
const Offset(1.0, 56.0 - 6.0), // bottom left
const Offset(800 - 1.0, 56.0 - 6.0), // bottom right
],
));
});
}