Merge remote branch 'hidenorigoto/feature/add-server-param-method'

* hidenorigoto/feature/add-server-param-method:
  [BrowserKit] added tests for setServerParameter/getServerParameter methods
  [BrowserKit] added getServerParameter method which makes setServerParameters/setServerParameter methods testable
  [BrowserKit] added the method to Client which enables to set single server parameter

src/Symfony/Component/BrowserKit/Client.php

@@ -108,6 +108,29 @@ abstract class Client
         ), $server);
     }
 
+    /**
+     * Sets single server parameter.
+     *
+     * @param string $key   A key of the parameter
+     * @param string $value A value of the parameter
+     */
+    public function setServerParameter($key, $value)
+    {
+        $this->server[$key] = $value;
+    }
+
+    /**
+     * Gets single server parameter for specified key.
+     *
+     * @param string $key     A key of the parameter to get
+     * @param string $default A default value when key is undefined
+     * @return string A value of the parameter
+     */
+    public function getServerParameter($key, $default = '')
+    {
+        return (isset($this->server[$key])) ? $this->server[$key] : $default;
+    }
+
     /**
      * Returns the History instance.
      *

tests/Symfony/Tests/Component/BrowserKit/ClientTest.php

@@ -308,4 +308,27 @@ class ClientTest extends \PHPUnit_Framework_TestCase
             $this->assertInstanceof('RuntimeException', $e, '->request() throws a \RuntimeException if the script has an error');
         }
     }
+
+    public function testGetServerParameter()
+    {
+        $client = new TestClient();
+        $this->assertEquals('localhost', $client->getServerParameter('HTTP_HOST'));
+        $this->assertEquals('Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3', $client->getServerParameter('HTTP_USER_AGENT'));
+
+        $this->assertEquals('testvalue', $client->getServerParameter('testkey', 'testvalue'));
+    }
+
+    public function testSetServerParameter()
+    {
+        $client = new TestClient();
+
+        $this->assertEquals('localhost', $client->getServerParameter('HTTP_HOST'));
+        $this->assertEquals('Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3', $client->getServerParameter('HTTP_USER_AGENT'));
+
+        $client->setServerParameter('HTTP_HOST', 'testhost');
+        $this->assertEquals('testhost', $client->getServerParameter('HTTP_HOST'));
+
+        $client->setServerParameter('HTTP_USER_AGENT', 'testua');
+        $this->assertEquals('testua', $client->getServerParameter('HTTP_USER_AGENT'));
+    }
 }