tm_app/test/model/feedback_request_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:tm_app/data/services/model/feedback_request/feedback_request.dart';

void main() {
  group('FeedbackRequest Tests', () {
    test('fromJson should parse JSON correctly', () {
      final json = {
        'feedback_type': 'positive',
        'tender_id': 'TND123',
      };

      final request = FeedbackRequest.fromJson(json);

      expect(request.feedbackType, 'positive');
      expect(request.tenderId, 'TND123');
    });

    test('toJson should return valid JSON map', () {
      const request = FeedbackRequest(
        feedbackType: 'negative',
        tenderId: 'TND999',
      );

      final json = request.toJson();

      expect(json, isA<Map<String, dynamic>>());
      expect(json['feedback_type'], 'negative');
      expect(json['tender_id'], 'TND999');
    });

    test('copyWith should modify specific fields only', () {
      const request = FeedbackRequest(
        feedbackType: 'neutral',
        tenderId: 'TND111',
      );

      final updated = request.copyWith(
        feedbackType: 'positive',
      );

      expect(updated.feedbackType, 'positive');
      expect(updated.tenderId, 'TND111');
    });

    test('fromJson -> toJson round-trip should preserve data', () {
      final json = {
        'feedback_type': 'positive',
        'tender_id': 'TND001',
      };

      final request = FeedbackRequest.fromJson(json);
      final output = request.toJson();

      expect(output['feedback_type'], 'positive');
      expect(output['tender_id'], 'TND001');
    });
  });
}