Use default client if available

dunglas · dunglas · commit 51ac9c3bc68a · 2019-03-11T15:14:47.000+01:00
diff --git a/src/Symfony/Component/Validator/Constraints/NotPwnedValidator.php b/src/Symfony/Component/Validator/Constraints/NotPwnedValidator.php
@@ -14,6 +14,7 @@
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\HttpClient\HttpClient;
 use Symfony\Contracts\HttpClient\Exception\ExceptionInterface;
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 
@@ -30,12 +31,13 @@ class NotPwnedValidator extends ConstraintValidator
     private const RANGE_API = 'https://api.pwnedpasswords.com/range/%s';
     private $httpClient;
 
-    /**
-     * @param callable(string):string|null $httpClient
-     */
-    public function __construct(HttpClientInterface $httpClient)
+    public function __construct(HttpClientInterface $httpClient = null)
     {
-        $this->httpClient = $httpClient;
+        if (null === $httpClient && !class_exists(HttpClient::class)) {
+            throw new \LogicException(sprintf('The "%s" class requires the "HttpClient" component. Try running "composer require symfony/http-client".', self::class));
+        }
+
+        $this->httpClient = $httpClient ?? HttpClient::create();
     }
 
     /**
