* added method to get all parameters from the mink configuration

* added method for setting a single parameter (this is useful for
  instance if you want to change the base_url context specific)

src/Behat/MinkExtension/Context/RawMinkContext.php

@@ -47,6 +47,16 @@ class RawMinkContext extends BehatContext implements MinkAwareInterface
         return $this->mink;
     }
 
+    /**
+     * Returns the parameters provided for Mink.
+     *
+     * @return array
+     */
+    public function getMinkParameters()
+    {
+        return $this->minkParameters;
+    }
+
     /**
      * Sets parameters provided for Mink.
      *
@@ -69,6 +79,18 @@ class RawMinkContext extends BehatContext implements MinkAwareInterface
         return isset($this->minkParameters[$name]) ? $this->minkParameters[$name] : null;
     }
 
+    /**
+     * Applies the given parameter to the Mink configuration. Consider that all parameters get reset for each
+     * feature context.
+     *
+     * @param string $name  The key of the parameter
+     * @param string $value The value of the parameter
+     */
+    public function setMinkParameter($name, $value)
+    {
+        $this->minkParameters[$name] = $value;
+    }
+
     /**
      * Returns Mink session.
      *
@@ -111,14 +133,14 @@ class RawMinkContext extends BehatContext implements MinkAwareInterface
     /**
      * Save a screenshot of the current window to the file system.
      *
-     * @param  string  $filename Desired filename, defaults to 
+     * @param  string  $filename Desired filename, defaults to
      *   <browser_name>_<ISO 8601 date>_<randomId>.png
-     * @param  string  $filepath Desired filepath, defaults to 
+     * @param  string  $filepath Desired filepath, defaults to
      *   upload_tmp_dir, falls back to sys_get_temp_dir()
      */
     public function saveScreenshot($filename = null, $filepath = null)
     {
-        // Under Cygwin, uniqid with more_entropy must be set to true. 
+        // Under Cygwin, uniqid with more_entropy must be set to true.
         // No effect in other environments.
         $filename = $filename ?: sprintf('%s_%s_%s.%s', $this->getMinkParameter('browser_name'), date('c'), uniqid('', true), 'png');
         $filepath = $filepath ? $filepath : (ini_get('upload_tmp_dir') ? ini_get('upload_tmp_dir') : sys_get_temp_dir());