eatvio_app/test/features/feed/presentation/widgets/chip_group_test.dart

import 'package:eatvio_app/core/theme/theme_helper.dart';
import 'package:eatvio_app/features/feed/presentation/widgets/chip_group.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('ChipGroup', () {
    testWidgets('displays chip group widget', (tester) async {
      await tester.pumpWidget(
        MaterialApp(
          theme: ThemeHelper().themeData(),
          home: Scaffold(
            body: ChipGroup(
              selectedChipIndex: 0,
              chipsLabelList: const ['All', 'Recipes', 'Diets'],
              setSelectedChipIndex: (index) {},
            ),
          ),
        ),
      );

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

    testWidgets('displays all chips from list', (tester) async {
      await tester.pumpWidget(
        MaterialApp(
          theme: ThemeHelper().themeData(),
          home: Scaffold(
            body: ChipGroup(
              selectedChipIndex: 0,
              chipsLabelList: const ['All', 'Recipes', 'Diets', 'Plans'],
              setSelectedChipIndex: (index) {},
            ),
          ),
        ),
      );

      expect(find.byType(ChipGroup), findsOneWidget);
      expect(find.text('All'), findsOneWidget);
      expect(find.text('Recipes'), findsOneWidget);
      expect(find.text('Diets'), findsOneWidget);
      expect(find.text('Plans'), findsOneWidget);
    });

    testWidgets('calls setSelectedChipIndex when chip is tapped', (tester) async {
      int? selectedIndex;
      await tester.pumpWidget(
        MaterialApp(
          theme: ThemeHelper().themeData(),
          home: Scaffold(
            body: ChipGroup(
              selectedChipIndex: 0,
              chipsLabelList: const ['All', 'Recipes', 'Diets'],
              setSelectedChipIndex: (index) {
                selectedIndex = index;
              },
            ),
          ),
        ),
      );

      await tester.tap(find.text('Recipes'));
      await tester.pump();

      expect(selectedIndex, 1);
    });

    testWidgets('displays empty chip group when list is empty', (tester) async {
      await tester.pumpWidget(
        MaterialApp(
          theme: ThemeHelper().themeData(),
          home: Scaffold(
            body: ChipGroup(
              selectedChipIndex: 0,
              chipsLabelList: const [],
              setSelectedChipIndex: (index) {},
            ),
          ),
        ),
      );

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