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);
  });
}