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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.
// @dart = 2.8
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
test('DividerThemeData copyWith, ==, hashCode basics', () {
expect(const DividerThemeData(), const DividerThemeData().copyWith());
expect(const DividerThemeData().hashCode, const DividerThemeData().copyWith().hashCode);
});
test('DividerThemeData null fields by default', () {
const DividerThemeData dividerTheme = DividerThemeData();
expect(dividerTheme.color, null);
expect(dividerTheme.space, null);
expect(dividerTheme.thickness, null);
expect(dividerTheme.indent, null);
expect(dividerTheme.endIndent, null);
});
testWidgets('Default DividerThemeData debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
const DividerThemeData().debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString())
.toList();
expect(description, <String>[]);
});
testWidgets('DividerThemeData implements debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
const DividerThemeData(
color: Color(0xFFFFFFFF),
space: 5.0,
thickness: 4.0,
indent: 3.0,
endIndent: 2.0,
).debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString())
.toList();
expect(description, <String>[
'color: Color(0xffffffff)',
'space: 5.0',
'thickness: 4.0',
'indent: 3.0',
'endIndent: 2.0',
]);
});
group('Horizontal Divider', () {
testWidgets('Passing no DividerThemeData returns defaults', (WidgetTester tester) async {
await tester.pumpWidget(const MaterialApp(
home: Scaffold(
body: Divider(),
),
));
final RenderBox box = tester.firstRenderObject(find.byType(Divider));
expect(box.size.height, 16.0);
final Container container = tester.widget(find.byType(Container));
final BoxDecoration decoration = container.decoration as BoxDecoration;
expect(decoration.border.bottom.width, 0.0);
final ThemeData theme = ThemeData();
expect(decoration.border.bottom.color, theme.dividerColor);
final Rect dividerRect = tester.getRect(find.byType(Divider));
final Rect lineRect = tester.getRect(find.byType(DecoratedBox));
expect(lineRect.left, dividerRect.left);
expect(lineRect.right, dividerRect.right);
});
testWidgets('Uses values from DividerThemeData', (WidgetTester tester) async {
final DividerThemeData dividerTheme = _dividerTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(dividerTheme: dividerTheme),
home: const Scaffold(
body: Divider(),
),
));
final RenderBox box = tester.firstRenderObject(find.byType(Divider));
expect(box.size.height, dividerTheme.space);
final Container container = tester.widget(find.byType(Container));
final BoxDecoration decoration = container.decoration as BoxDecoration;
expect(decoration.border.bottom.width, dividerTheme.thickness);
expect(decoration.border.bottom.color, dividerTheme.color);
final Rect dividerRect = tester.getRect(find.byType(Divider));
final Rect lineRect = tester.getRect(find.byType(DecoratedBox));
expect(lineRect.left, dividerRect.left + dividerTheme.indent);
expect(lineRect.right, dividerRect.right - dividerTheme.endIndent);
});
testWidgets('Widget properties take priority over theme', (WidgetTester tester) async {
const Color color = Colors.purple;
const double height = 10.0;
const double thickness = 5.0;
const double indent = 8.0;
const double endIndent = 9.0;
final DividerThemeData dividerTheme = _dividerTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(dividerTheme: dividerTheme),
home: const Scaffold(
body: Divider(
color: color,
height: height,
thickness: thickness,
indent: indent,
endIndent: endIndent,
),
),
));
final RenderBox box = tester.firstRenderObject(find.byType(Divider));
expect(box.size.height, height);
final Container container = tester.widget(find.byType(Container));
final BoxDecoration decoration = container.decoration as BoxDecoration;
expect(decoration.border.bottom.width, thickness);
expect(decoration.border.bottom.color, color);
final Rect dividerRect = tester.getRect(find.byType(Divider));
final Rect lineRect = tester.getRect(find.byType(DecoratedBox));
expect(lineRect.left, dividerRect.left + indent);
expect(lineRect.right, dividerRect.right - endIndent);
});
});
group('Vertical Divider', () {
testWidgets('Passing no DividerThemeData returns defaults', (WidgetTester tester) async {
await tester.pumpWidget(const MaterialApp(
home: Scaffold(
body: VerticalDivider(),
),
));
final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider));
expect(box.size.width, 16.0);
final Container container = tester.widget(find.byType(Container));
final BoxDecoration decoration = container.decoration as BoxDecoration;
final Border border = decoration.border as Border;
expect(border.left.width, 0.0);
final ThemeData theme = ThemeData();
expect(border.left.color, theme.dividerColor);
final Rect dividerRect = tester.getRect(find.byType(VerticalDivider));
final Rect lineRect = tester.getRect(find.byType(DecoratedBox));
expect(lineRect.top, dividerRect.top);
expect(lineRect.bottom, dividerRect.bottom);
});
testWidgets('Uses values from DividerThemeData', (WidgetTester tester) async {
final DividerThemeData dividerTheme = _dividerTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(dividerTheme: dividerTheme),
home: const Scaffold(
body: VerticalDivider(),
),
));
final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider));
expect(box.size.width, dividerTheme.space);
final Container container = tester.widget(find.byType(Container));
final BoxDecoration decoration = container.decoration as BoxDecoration;
final Border border = decoration.border as Border;
expect(border.left.width, dividerTheme.thickness);
expect(border.left.color, dividerTheme.color);
final Rect dividerRect = tester.getRect(find.byType(VerticalDivider));
final Rect lineRect = tester.getRect(find.byType(DecoratedBox));
expect(lineRect.top, dividerRect.top + dividerTheme.indent);
expect(lineRect.bottom, dividerRect.bottom - dividerTheme.endIndent);
});
testWidgets('Widget properties take priority over theme', (WidgetTester tester) async {
const Color color = Colors.purple;
const double width = 10.0;
const double thickness = 5.0;
const double indent = 8.0;
const double endIndent = 9.0;
final DividerThemeData dividerTheme = _dividerTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(dividerTheme: dividerTheme),
home: const Scaffold(
body: VerticalDivider(
color: color,
width: width,
thickness: thickness,
indent: indent,
endIndent: endIndent,
),
),
));
final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider));
expect(box.size.width, width);
final Container container = tester.widget(find.byType(Container));
final BoxDecoration decoration = container.decoration as BoxDecoration;
final Border border = decoration.border as Border;
expect(border.left.width, thickness);
expect(border.left.color, color);
final Rect dividerRect = tester.getRect(find.byType(VerticalDivider));
final Rect lineRect = tester.getRect(find.byType(DecoratedBox));
expect(lineRect.top, dividerRect.top + indent);
expect(lineRect.bottom, dividerRect.bottom - endIndent);
});
});
}
DividerThemeData _dividerTheme() {
return const DividerThemeData(
color: Colors.orange,
space: 12.0,
thickness: 2.0,
indent: 7.0,
endIndent: 5.0,
);
}