public function setUp()
 {
     parent::setUp();
     $dir = Director::baseFolder() . '/testcontent';
     if (file_exists($dir)) {
         Filesystem::removeFolder($dir);
     }
     $this->contentService = new ContentService();
     // set some injector properties
     $injector = Injector::inst();
     $injector->load(array('TestContentReader' => array('class' => 'FileContentReader', 'type' => 'prototype', 'properties' => array('basePath' => $dir)), 'TestContentWriter' => array('class' => 'FileContentWriter', 'type' => 'prototype', 'properties' => array('basePath' => $dir))));
     $this->contentService->setStores(array('File' => array('ContentReader' => 'TestContentReader', 'ContentWriter' => 'TestContentWriter')));
     $injector->registerService($this->contentService);
     $this->testDir = $dir;
 }