interceptor test

Author: lohanidamodar

src/SDK/Language/Flutter.php

@@ -275,6 +275,11 @@ public function getFiles(): array
                 'destination'   => '/test/src/cookie_manager_test.dart',
                 'template'      => 'flutter/test/src/cookie_manager_test.dart.twig',
             ],
+            [
+                'scope'         => 'default',
+                'destination'   => '/test/src/interceptor_test.dart',
+                'template'      => 'flutter/test/src/interceptor_test.dart.twig',
+            ],
             [
                 'scope'         => 'default',
                 'destination'   => '/test/src/enums_test.dart',

templates/flutter/test/src/interceptor_test.dart.twig

@@ -0,0 +1,39 @@
+import 'dart:async';
+import 'package:http/http.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/mockito.dart';
+import 'package:{{lang.params.packageName}}/src/interceptor.dart';
+
+class MockRequest extends Mock implements BaseRequest {
+  final Map<String, String> headers = {};
+
+  @override
+  Future<StreamedResponse> send() async {
+    final response = StreamedResponse(ByteStream.fromBytes([]), 200);
+    response.headers.addAll(headers);
+    return response;
+  }
+}
+
+void main() {
+  group('HeadersInterceptor', () {
+    test('onRequest should add headers to the request', () async {
+      final headers = {'Authorization': 'Bearer token123'};
+      final interceptor = HeadersInterceptor(headers);
+      final request = MockRequest();
+
+      final interceptedRequest = await interceptor.onRequest(request);
+
+      expect(interceptedRequest.headers, equals(headers));
+    });
+
+    test('onResponse should return the same response', () async {
+      final response = Response('', 200);
+      final interceptor = HeadersInterceptor({});
+
+      final interceptedResponse = await interceptor.onResponse(response);
+
+      expect(interceptedResponse, equals(response));
+    });
+  });
+}