pfm-ocr/test/product_scan_response_parser_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:app_pfm_ocr_v2/features/editor/product_scan_response_parser.dart';

void main() {
  group('parseSkuMasterList', () {
    test('unwraps the v1 {status,data} envelope into a list of maps', () {
      final response = {
        'status': 'success',
        'data': [
          {'no_sku': '12010119', 'nama_item': 'FIESTA NUGGET CHEESE 123 400 GR/PAC', 'standar_jumlah': 'PAC'},
          {'no_sku': '12010115', 'nama_item': 'FIESTA NUGGET ZOO 400 GR/PAC'},
        ],
      };

      final result = parseSkuMasterList(response);

      expect(result.length, 2);
      expect(result[0]['no_sku'], '12010119');
      expect(result[0]['nama_item'], 'FIESTA NUGGET CHEESE 123 400 GR/PAC');
      expect(result[1]['no_sku'], '12010115');
    });

    test('returns an empty list when data is an empty array', () {
      final result = parseSkuMasterList({'status': 'success', 'data': []});
      expect(result, isEmpty);
    });

    test('returns an empty list when data is missing entirely', () {
      final result = parseSkuMasterList({'status': 'success'});
      expect(result, isEmpty);
    });
  });

  group('parseScanProductResponse', () {
    test('unwraps possibleMatches and extracted_expired_date from the nested v1 envelope', () {
      final response = {
        'status': 'success',
        'data': {
          'classification': {'top1_name': 'FIESTA NUGGET CHEESE'},
          'ocr': {
            'extracted_sku': '12010119',
            'extracted_expired_date': '15/12/2026',
          },
          'possibleMatches': [
            {'no_sku': '12010119', 'nama_item': 'FIESTA NUGGET CHEESE 123 400 GR/PAC', 'score': 0.725, 'isBestMatch': true},
            {'no_sku': '12010115', 'nama_item': 'FIESTA NUGGET ZOO 400 GR/PAC', 'score': 0.5, 'isBestMatch': false},
          ],
        },
      };

      final result = parseScanProductResponse(response);

      expect(result.matches.length, 2);
      expect(result.matches[0]['no_sku'], '12010119');
      expect(result.matches[0]['nama_item'], 'FIESTA NUGGET CHEESE 123 400 GR/PAC');
      expect(result.matches[0]['confidence'], 0.725);
      expect(result.extractedExpiryDate, '15/12/2026');
    });

    test('returns an empty match list and empty date when possibleMatches is empty', () {
      final response = {
        'status': 'success',
        'data': {
          'classification': {},
          'ocr': {'extracted_expired_date': ''},
          'possibleMatches': [],
        },
      };

      final result = parseScanProductResponse(response);

      expect(result.matches, isEmpty);
      expect(result.extractedExpiryDate, '');
    });

    test('degrades gracefully when ocr is missing entirely', () {
      final response = {
        'status': 'success',
        'data': {
          'classification': {},
          'possibleMatches': <Map<String, dynamic>>[],
        },
      };

      final result = parseScanProductResponse(response);

      expect(result.matches, isEmpty);
      expect(result.extractedExpiryDate, '');
    });
  });
}