[HttpClient] add $response->cancel()

Author: nicolas-grekas

ResponseInterface.php

@@ -71,6 +71,11 @@ public function getContent(bool $throw = true): string;
      */
     public function toArray(bool $throw = true): array;
 
+    /**
+     * Cancels the response.
+     */
+    public function cancel(): void;
+
     /**
      * Returns info coming from the transport layer.
      *

Test/HttpClientTestCase.php

@@ -481,6 +481,16 @@ public function testPostCallback()
         $this->assertSame(['foo' => '0123456789', 'REQUEST_METHOD' => 'POST'], $response->toArray());
     }
 
+    public function testCancel()
+    {
+        $client = $this->getHttpClient(__FUNCTION__);
+        $response = $client->request('GET', 'http://localhost:8057/timeout-header');
+
+        $response->cancel();
+        $this->expectException(TransportExceptionInterface::class);
+        $response->getHeaders();
+    }
+
     public function testOnProgressCancel()
     {
         $client = $this->getHttpClient(__FUNCTION__);