mirror of
https://github.com/kuhyx/utils.git
synced 2026-11-12 20:31:00 +01:00
Krzysztof kuhy Rudnicki
db1ce8c378
Flutter 3.50 deprecates package:flutter/material.dart for the material_ui package; its ThemeData is a different type, so apps on 3.50 need the theme builders to return material_ui's. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
86 lines
2.9 KiB
Dart
86 lines
2.9 KiB
Dart
import 'package:design_system/design_system.dart';
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import 'package:material_ui/material_ui.dart';
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import 'package:flutter_test/flutter_test.dart';
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Future<void> _pumpHeader(
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WidgetTester tester, {
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Widget? action,
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EdgeInsetsGeometry? padding,
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}) {
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return tester.pumpWidget(
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MaterialApp(
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theme: buildDarkTheme(),
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home: Scaffold(
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body: SectionHeader('Filters', action: action, padding: padding),
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),
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),
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);
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}
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void main() {
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testWidgets('shows the title at titleMedium', (tester) async {
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await _pumpHeader(tester);
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expect(find.text('Filters'), findsOneWidget);
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// Compare the resolved size, not the whole TextStyle: the localization
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// delegate merges geometry (weight, letter spacing, line height) into
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// the theme's style before it reaches the widget, so the two objects are
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// never `==` even when the widget is doing exactly the right thing.
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final text = tester.widget<Text>(find.text('Filters'));
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expect(text.style?.fontSize, AppTextSize.subtitle);
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expect(
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text.style?.fontSize,
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buildDarkTheme().textTheme.titleMedium?.fontSize,
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);
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});
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testWidgets('has no padding of its own by default', (tester) async {
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await _pumpHeader(tester);
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expect(
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find.descendant(
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of: find.byType(SectionHeader),
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matching: find.byType(Padding),
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),
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findsNothing,
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);
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});
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testWidgets('applies padding when asked', (tester) async {
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await _pumpHeader(tester, padding: SectionHeader.defaultPadding);
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final padding = tester.widget<Padding>(
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find
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.descendant(
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of: find.byType(SectionHeader),
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matching: find.byType(Padding),
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)
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.first,
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);
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expect(padding.padding, SectionHeader.defaultPadding);
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});
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testWidgets('omits the action slot by default', (tester) async {
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await _pumpHeader(tester);
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expect(find.byType(IconButton), findsNothing);
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});
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testWidgets('renders a trailing action beside the title', (tester) async {
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await _pumpHeader(
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tester,
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action: IconButton(onPressed: () {}, icon: const Icon(Icons.add)),
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);
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expect(find.byIcon(Icons.add), findsOneWidget);
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// The action sits to the right of the title, not below it.
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final titleRight = tester.getTopRight(find.text('Filters')).dx;
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final actionLeft = tester.getTopLeft(find.byIcon(Icons.add)).dx;
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expect(actionLeft, greaterThanOrEqualTo(titleRight));
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});
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test('defaultPadding groups the title with the content below it', () {
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// Tighter below than above, so the header reads as belonging to the
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// section it labels rather than floating between two of them.
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expect(SectionHeader.defaultPadding.bottom, AppSpacing.xs);
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expect(SectionHeader.defaultPadding.top, AppSpacing.md);
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expect(SectionHeader.defaultPadding.left, AppSpacing.md);
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expect(SectionHeader.defaultPadding.right, AppSpacing.md);
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});
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}
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