halkyon/packages/halkyon_ui/test/widget/explained_title_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';
import '../support/test_app.dart';
void main() {
testWidgets('a title with its question mark right beside it, the '
'explanation opening under the title', (tester) async {
await tester.pumpWidget(
testApp(
const Scaffold(
body: SizedBox(
width: 300,
child: ListTile(
title: ExplainedTitle(
'Check spelling',
help: 'Underlines possible mistakes.',
),
),
),
),
),
);
expect(find.text('Underlines possible mistakes.'), findsNothing);
final title = tester.getRect(find.text('Check spelling'));
final help = tester.getRect(find.byType(HelpButton));
expect(help.left - title.right, lessThan(8), reason: 'beside it');
await tester.tap(find.byType(HelpButton));
await tester.pumpAndSettle();
expect(find.text('Check spelling'), findsNWidgets(2));
expect(find.text('Underlines possible mistakes.'), findsOneWidget);
});
testWidgets('a long title wraps, its question mark kept', (
tester,
) async {
await tester.pumpWidget(
testApp(
Scaffold(
body: SizedBox(
width: 200,
child: ExplainedTitle('A title ' * 20, help: 'Why.'),
),
),
),
);
expect(tester.takeException(), isNull);
expect(find.byType(HelpButton), findsOneWidget);
});
}