Remove auto uppercase to RequestTrait::setMethod()

Author: devanych

src/RequestTrait.php

@@ -16,12 +16,10 @@
 
 use function gettype;
 use function get_class;
-use function in_array;
 use function is_object;
 use function is_string;
 use function preg_match;
 use function sprintf;
-use function strtoupper;
 
 /**
  * Trait implementing the methods defined in `Psr\Http\Message\RequestInterface`.
@@ -47,22 +45,6 @@ trait RequestTrait
      */
     private UriInterface $uri;
 
-    /**
-     * @var array
-     */
-    private array $methods = [
-        RequestMethodInterface::METHOD_HEAD,
-        RequestMethodInterface::METHOD_GET,
-        RequestMethodInterface::METHOD_POST,
-        RequestMethodInterface::METHOD_PUT,
-        RequestMethodInterface::METHOD_PATCH,
-        RequestMethodInterface::METHOD_DELETE,
-        RequestMethodInterface::METHOD_PURGE,
-        RequestMethodInterface::METHOD_OPTIONS,
-        RequestMethodInterface::METHOD_TRACE,
-        RequestMethodInterface::METHOD_CONNECT,
-    ];
-
     /**
      * Retrieves the message's request target.
      *
@@ -267,9 +249,7 @@ private function init(
      */
     private function setMethod(string $method): void
     {
-        $method = strtoupper($method);
-
-        if (!in_array($method, $this->methods) && !preg_match('/^[!#$%&\'*+.^_`|~0-9a-z-]+$/i', $method)) {
+        if (!preg_match('/^[!#$%&\'*+.^_`|~0-9a-z-]+$/i', $method)) {
             throw new InvalidArgumentException(sprintf('`%s` is not valid HTTP method.', $method));
         }
 

tests/RequestTest.php

@@ -73,6 +73,10 @@ public function testWithMethod(): void
         $request = $this->request->withMethod(Request::METHOD_POST);
         self::assertNotEquals($this->request, $request);
         self::assertEquals(Request::METHOD_POST, $request->getMethod());
+
+        $request = $this->request->withMethod($method = 'PoSt');
+        self::assertNotEquals($this->request, $request);
+        self::assertEquals($method, $request->getMethod());
     }
 
     public function testWithMethodHasNotBeenChangedNotClone(): void