cpd_2022_zi/test/widget_tests/widget_entry_detail_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:intl/date_symbol_data_local.dart';
import 'package:smoke_cess_app/widgets/entry_detail_widget.dart';

void main() {
  initializeDateFormatting('de');
  group('EntryDetail', () {
    testWidgets('should use ExpansionTile if Comments is set',
        (WidgetTester tester) async {
      await tester.pumpWidget(
        MaterialApp(
            home: Scaffold(
          body: EntryDetail(
            date: DateTime.now(),
            entryComment: 'A comment',
            entryData: 'Test',
            iconData: Icons.plus_one,
          ),
        )),
      );

      expect(find.byType(ExpansionTile), findsOneWidget);
    });

    testWidgets('should use ListTile if Comments is null',
        (WidgetTester tester) async {
      await tester.pumpWidget(
        MaterialApp(
            home: Scaffold(
          body: EntryDetail(
            date: DateTime.now(),
            entryComment: 'A comment',
            entryData: 'Test',
            iconData: Icons.plus_one,
          ),
        )),
      );

      expect(find.byType(ListTile), findsOneWidget);
    });
  });
}