mock search api service

mock_search_api.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/mockito.dart';
import 'package:dio/dio.dart';
import 'package:flutter_bloc_weather/features/search/data/services/search_api_services.dart';

import 'mock.mocks.dart'; // Make sure this is generated from mock.dart

void main() {
  group('SearchApiServices', () {
    late MockDio mockDio;
    late SearchApiServices api;

    setUp(() {
      mockDio = MockDio();

      // ✅ Fix MissingStubError for dio.options
      when(mockDio.options).thenReturn(BaseOptions());

      // ✅ Create API instance
      api = SearchApiServices(mockDio);
    });

    test('returns CityModel on successful API call', () async {
      // ✅ Expected JSON response from server
      final mockJson = {
        "results": [
          {
            "id": 1,
            "name": "Yangon",
            "latitude": 16.8,
            "longitude": 96.2,
            "country": "Myanmar"
          }
        ]
      };

      // ✅ Return typed Response<Map<String, dynamic>> to satisfy Retrofit
      when(mockDio.fetch(any)).thenAnswer((invocation) async {
        final requestOptions =
            invocation.positionalArguments.first as RequestOptions;

        return Response<Map<String, dynamic>>(
          requestOptions: requestOptions,
          statusCode: 200,
          data: mockJson,
        );
      });

      // ✅ Perform the call
      final result = await api.searchCities(name: "Yangon", count: 1);

      // ✅ Verify result
      expect(result.results.length, 1);
      expect(result.results.first.name, "Yangon");
      expect(result.results.first.country, "Myanmar");
    });
  });
}