fix(phpstan): use real Response class in test helper instead of anonymous classes

Replace anonymous class stubs in CreatesTestResponse with
Symfony\Component\HttpFoundation\Response, fixing 3 PHPStan errors
(missing generics, type mismatch, iterable type) at the root cause
rather than suppressing them via ignore rules.

Author: wadakatu

composer.json

@@ -12,7 +12,8 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.94",
         "illuminate/testing": "^11.0 || ^12.0",
-        "phpstan/phpstan": "^2.0"
+        "phpstan/phpstan": "^2.0",
+        "symfony/http-foundation": "^8.0"
     },
     "suggest": {
         "illuminate/testing": "Required for the Laravel adapter (ValidatesOpenApiSchema trait)"

phpstan.neon.dist

@@ -19,20 +19,4 @@ parameters:
             path: src/Laravel/OpenApiContractTestingServiceProvider.php
         -
             message: '#does not specify its types: TResponse#'
-            paths:
-                - src/Laravel/ValidatesOpenApiSchema.php
-                - tests/Unit/ValidatesOpenApiSchemaTest.php
-                - tests/Unit/ValidatesOpenApiSchemaDefaultSpecTest.php
-                - tests/Unit/ValidatesOpenApiSchemaAttributeTest.php
-        -
-            message: '#expects TResponse of Symfony\\Component\\HttpFoundation\\Response#'
-            paths:
-                - tests/Unit/ValidatesOpenApiSchemaTest.php
-                - tests/Unit/ValidatesOpenApiSchemaDefaultSpecTest.php
-                - tests/Unit/ValidatesOpenApiSchemaAttributeTest.php
-        -
-            message: '#class@anonymous/tests/Helpers/CreatesTestResponse\.php.*no value type specified in iterable type array#'
-            paths:
-                - tests/Unit/ValidatesOpenApiSchemaTest.php
-                - tests/Unit/ValidatesOpenApiSchemaDefaultSpecTest.php
-                - tests/Unit/ValidatesOpenApiSchemaAttributeTest.php
+            path: src/Laravel/ValidatesOpenApiSchema.php

tests/Helpers/CreatesTestResponse.php

@@ -4,58 +4,20 @@
 
 namespace Studio\OpenApiContractTesting\Tests\Helpers;
 
-use const CASE_LOWER;
-
 use Illuminate\Testing\TestResponse;
-
-use function array_change_key_case;
-use function strtolower;
+use Symfony\Component\HttpFoundation\Response;
 
 trait CreatesTestResponse
 {
     /**
      * @param array<string, string> $headers
+     *
+     * @return TestResponse<Response>
      */
     private function makeTestResponse(string $content, int $statusCode, array $headers = []): TestResponse
     {
-        $headerBag = new class ($headers) {
-            /** @var array<string, string> */
-            private readonly array $headers;
-
-            /** @param array<string, string> $headers */
-            public function __construct(array $headers)
-            {
-                $this->headers = array_change_key_case($headers, CASE_LOWER);
-            }
-
-            public function get(string $key, ?string $default = null): ?string
-            {
-                return $this->headers[strtolower($key)] ?? $default;
-            }
-        };
-
-        $baseResponse = new class ($content, $statusCode, $headerBag) {
-            public readonly object $headers;
-
-            public function __construct(
-                private readonly string $content,
-                private readonly int $statusCode,
-                object $headers,
-            ) {
-                $this->headers = $headers;
-            }
-
-            public function getContent(): string
-            {
-                return $this->content;
-            }
-
-            public function getStatusCode(): int
-            {
-                return $this->statusCode;
-            }
-        };
+        $response = new Response($content, $statusCode, $headers);
 
-        return new TestResponse($baseResponse);
+        return new TestResponse($response);
     }
 }