이벤트 가져오기 위젯 테스트 추가 및 테스트 훅 도입

mobile/test/services/api_service_test.dart

@@ -0,0 +1,106 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:dio/dio.dart';
+import 'package:lanebow/services/api_service.dart';
+
+class _FakeBackendInterceptor extends Interceptor {
+  @override
+  void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
+    final path = options.path;
+    // 성공 케이스
+    if (path == '/ping' && options.method == 'GET') {
+      return handler.resolve(Response(
+        requestOptions: options,
+        statusCode: 200,
+        data: {'ok': true},
+      ));
+    }
+    if (path == '/echo' && options.method == 'POST') {
+      return handler.resolve(Response(
+        requestOptions: options,
+        statusCode: 200,
+        data: options.data ?? {},
+      ));
+    }
+    if (path == '/put' && options.method == 'PUT') {
+      return handler.resolve(Response(
+        requestOptions: options,
+        statusCode: 200,
+        data: {'updated': true},
+      ));
+    }
+    if (path == '/del' && options.method == 'DELETE') {
+      return handler.resolve(Response(
+        requestOptions: options,
+        statusCode: 200,
+        data: {'deleted': true},
+      ));
+    }
+
+    // 401 에러 케이스
+    if (path == '/unauthorized') {
+      return handler.reject(DioException(
+        requestOptions: options,
+        response: Response(requestOptions: options, statusCode: 401, data: {'message': 'unauthorized'}),
+        type: DioExceptionType.badResponse,
+      ));
+    }
+
+    // 기타 500 에러
+    return handler.reject(DioException(
+      requestOptions: options,
+      response: Response(requestOptions: options, statusCode: 500, data: {'message': 'server error'}),
+      type: DioExceptionType.badResponse,
+    ));
+  }
+}
+
+void main() {
+  group('ApiService', () {
+    late ApiService api;
+    late Dio dio;
+
+    setUp(() {
+      api = ApiService();
+      dio = Dio(BaseOptions(baseUrl: 'http://test')); // baseUrl은 테스트에서 의미 없음
+      dio.interceptors.clear();
+      dio.interceptors.add(_FakeBackendInterceptor());
+      api.setDio(dio);
+    });
+
+    test('GET 성공 시 data 반환', () async {
+      final data = await api.get('/ping');
+      expect(data, isA<Map>());
+      expect(data['ok'], true);
+    });
+
+    test('POST 성공 시 body echo', () async {
+      final payload = {'a': 1};
+      final data = await api.post('/echo', data: payload);
+      expect(data, payload);
+    });
+
+    test('PUT 성공 시 updated=true', () async {
+      final data = await api.put('/put', data: {'x': 1});
+      expect(data['updated'], true);
+    });
+
+    test('DELETE 성공 시 deleted=true', () async {
+      final data = await api.delete('/del');
+      expect(data['deleted'], true);
+    });
+
+    test('401 발생 시 DioException rethrow', () async {
+      expect(
+        () => api.get('/unauthorized'),
+        throwsA(isA<DioException>()),
+      );
+    });
+
+    test('기타 에러(500) 발생 시 DioException rethrow', () async {
+      expect(
+        () => api.get('/unknown'),
+        throwsA(isA<DioException>()),
+      );
+    });
+  });
+}