halkyon/packages/halkyon_ui/test/widget/title_with_kicker_test.dart

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import 'package:flutter_test/flutter_test.dart';
import 'package:halkyon_ui/halkyon_ui.dart';
import 'package:material_ui/material_ui.dart';
void main() {
Future<void> show(WidgetTester tester, Widget child) => tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Align(
alignment: Alignment.topLeft,
child: SizedBox(width: 400, child: child),
),
),
),
);
double top(WidgetTester tester, Finder finder) =>
tester.getTopLeft(finder).dy;
testWidgets('shows the kicker uppercased above the title', (tester) async {
await show(
tester,
const TitleWithKicker(title: 'Vocabulary', kicker: 'Japanese'),
);
expect(find.text('JAPANESE'), findsOneWidget);
expect(
top(tester, find.text('JAPANESE')),
lessThan(top(tester, find.text('Vocabulary'))),
);
});
testWidgets('shows the title alone without a kicker', (tester) async {
await show(tester, const TitleWithKicker(title: 'Vocabulary', kicker: ''));
expect(top(tester, find.text('Vocabulary')), 0);
});
testWidgets('can keep the kicker line free, so titles side by side line '
'up', (tester) async {
await show(
tester,
const Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: TitleWithKicker(title: 'Vocabulary', kicker: 'JLPT'),
),
Expanded(
child: TitleWithKicker(title: 'Grammar', reserveKickerSpace: true),
),
],
),
);
expect(
top(tester, find.text('Grammar')),
top(tester, find.text('Vocabulary')),
);
});
testWidgets('puts the trailing widget beside the title, not the kicker', (
tester,
) async {
const action = Key('action');
await show(
tester,
const TitleWithKicker(
title: 'Vocabulary',
kicker: 'Japanese',
trailing: SizedBox(key: action, width: 48, height: 48),
),
);
expect(
top(tester, find.byKey(action)),
top(tester, find.text('Vocabulary')),
);
expect(
tester.getTopRight(find.byKey(action)).dx,
400,
reason: 'the title takes the rest of the width',
);
});
}