Adding support for changing root dir and project dir (#5)

* Adding support for changing root dir and project dir

* Removed PHP7 syntax

Author: Nyholm

src/AppKernel.php

@@ -28,6 +28,11 @@ class AppKernel extends Kernel
      */
     private $cachePrefix = '';
 
+    /**
+     * @var string|null;
+     */
+    private $fakedProjectDir;
+
     /**
      * @param string $cachePrefix
      */
@@ -65,6 +70,31 @@ public function getLogDir()
         return sys_get_temp_dir().'/NyholmBundleTest/log';
     }
 
+    public function getProjectDir()
+    {
+        if (null === $this->fakedProjectDir) {
+            return realpath(__DIR__.'/../../../../');
+        }
+
+        return $this->fakedProjectDir;
+    }
+
+    /**
+     * @param string|null $rootDir
+     */
+    public function setRootDir($rootDir)
+    {
+        $this->rootDir = $rootDir;
+    }
+
+    /**
+     * @param string|null $projectDir
+     */
+    public function setProjectDir($projectDir)
+    {
+        $this->fakedProjectDir = $projectDir;
+    }
+
     public function registerBundles()
     {
         $this->bundlesToRegister = array_unique($this->bundlesToRegister);