public function testgetDocumentForBean() { $user = new User(1); $aod_index = new AOD_Index(); $result = $aod_index->getDocumentForBean($user); //execute the method and verify that it returns an array $this->assertTrue(is_array($result)); //verify that returned array has a valid Zend_Search_Lucene_Document instance $this->assertInstanceOf('Zend_Search_Lucene_Document', $result['document']); }