Module config and header name are case insensitive now (#7)

Author: snapshotpl

src/HttpMethodOverrideService.php

@@ -46,10 +46,13 @@ public function __construct(array $methodMap, array $overrideHeaders = null)
      */
     public function getOverridedMethod($method, array $headers)
     {
+        $headers = array_change_key_case($headers, CASE_LOWER);
+
         if (! isset($this->methodMap[$method])) {
             return $method;
         }
         foreach ($this->overrideHeaders as $overrideHeader) {
+            $overrideHeader = strtolower($overrideHeader);
             if (isset($headers[$overrideHeader]) && $this->isMethodInMap($headers[$overrideHeader], $this->methodMap[$method])) {
                 return $headers[$overrideHeader];
             }

src/Module.php

@@ -12,7 +12,7 @@ final class Module implements ConfigProviderInterface
     public function getConfig()
     {
         $config = require __DIR__ . '/../config/config.php';
-        $moduleConfig = require __DIR__ . '/../config/middleware.config.php';
+        $moduleConfig = require __DIR__ . '/../config/module.config.php';
 
         return array_merge($config, $moduleConfig);
     }

test/HttpMethodOverrideServiceTest.php

@@ -20,7 +20,7 @@ public function testNotMethodInMap(array $methodMap)
         $this->assertSame('GET', $result);
     }
 
-    public function notmethodInMapProvider()
+    public function notMethodInMapProvider()
     {
         return [
             [[]],
@@ -61,6 +61,17 @@ public function testOverrideWitoutHeader()
         $this->assertNotEquals('NONE', $result);
     }
 
+    public function testOverrideHeaderIsNotCaseSensitive()
+    {
+        $object = new HttpMethodOverrideService(['POST' => ['PUT']]);
+
+        $result = $object->getOverridedMethod('POST', [
+            strtolower(HttpMethodOverrideService::OVERRIDE_HEADER_GOOGLE) => 'PUT',
+        ]);
+
+        $this->assertSame('PUT', $result);
+    }
+
     public function testOverrideWithHeaderButNotInMap()
     {
         $object = new HttpMethodOverrideService(['POST' => ['NONE']]);