public function setUp()
 {
     parent::setUp();
     TaoPhpUnitTestRunner::initTest();
     $class = new core_kernel_classes_Class(CLASS_OAUTH_CONSUMER);
     $this->credentials = $class->createInstanceWithProperties(array(RDFS_LABEL => 'test_credentials', PROPERTY_OAUTH_KEY => 'testcase_12345', PROPERTY_OAUTH_SECRET => 'secret_12345'));
 }

 /**
  * tests initialization
  */
 public function setUp()
 {
     TaoPhpUnitTestRunner::initTest();
     $oauthClass = new core_kernel_classes_Class(CLASS_OAUTH_CONSUMER);
     $resource = $oauthClass->createInstanceWithProperties(array(PROPERTY_OAUTH_KEY => 'test_key', PROPERTY_OAUTH_SECRET => md5(rand())));
     $this->oauthCustomer = new tao_models_classes_oauth_Credentials($resource);
 }

 /**
  * 
  * @author Lionel Lecaque, [email protected]
  */
 private function migrateDeliveryToTemplate()
 {
     $deliveryClass = new core_kernel_classes_Class(TAO_DELIVERY_CLASS);
     foreach ($deliveryClass->getInstances(true) as $delivery) {
         self::switchType($delivery, CLASS_DELIVERY_TEMPLATE);
     }
 }

 public function getData()
 {
     if (!tao_helpers_Request::isAjax()) {
         throw new common_exception_IsAjaxAction(__FUNCTION__);
     }
     if ($this->hasRequestParameter('classUri')) {
         $classUri = tao_helpers_Uri::decode($this->getRequestParameter('classUri'));
         $class = new core_kernel_classes_Class($classUri);
         $hideNode = true;
     } elseif ($this->hasRequestParameter('rootNode')) {
         $class = new core_kernel_classes_Class($this->getRequestParameter('rootNode'));
         $hideNode = false;
     } else {
         throw new common_Exception('Missing node information for ' . __FUNCTION__);
     }
     $openNodes = array($class->getUri());
     if ($this->hasRequestParameter('openNodes') && is_array($this->getRequestParameter('openNodes'))) {
         $openNodes = array_merge($openNodes, $this->getRequestParameter('openNodes'));
     }
     $limit = $this->hasRequestParameter('limit') ? $this->getRequestParameter('limit') : self::DEFAULT_LIMIT;
     $offset = $this->hasRequestParameter('offset') ? $this->getRequestParameter('offset') : 0;
     $showInst = $this->hasRequestParameter('hideInstances') ? !$this->getRequestParameter('hideInstances') : true;
     $factory = new tao_models_classes_GenerisTreeFactory();
     $array = $factory->buildTree($class, $showInst, $openNodes, $limit, $offset);
     if ($hideNode) {
         $array = isset($array['children']) ? $array['children'] : array();
     }
     echo json_encode($array);
 }

 /**
  * create a new QTI item
  * 
  * @requiresRight id WRITE
  */
 public function createItem()
 {
     if (!\tao_helpers_Request::isAjax()) {
         throw new \Exception("wrong request mode");
     }
     $clazz = new \core_kernel_classes_Resource($this->getRequestParameter('id'));
     if ($clazz->isClass()) {
         $clazz = new \core_kernel_classes_Class($clazz);
     } else {
         foreach ($clazz->getTypes() as $type) {
             // determine class from selected instance
             $clazz = $type;
             break;
         }
     }
     $service = \taoItems_models_classes_ItemsService::singleton();
     $label = $service->createUniqueLabel($clazz);
     $item = $service->createInstance($clazz, $label);
     if (!is_null($item)) {
         $service->setItemModel($item, new \core_kernel_classes_Resource(ItemModel::MODEL_URI));
         $response = array('label' => $item->getLabel(), 'uri' => $item->getUri());
     } else {
         $response = false;
     }
     $this->returnJson($response);
 }

 /**
  * initialize a test method
  */
 public function setUp()
 {
     TaoPhpUnitTestRunner::initTest();
     $activityExecutionClass = new core_kernel_classes_Class(CLASS_ACTIVITY_EXECUTION);
     $this->activityExecution = $activityExecutionClass->createInstance('test');
     $this->service = wfEngine_models_classes_RecoveryService::singleton();
 }

 /**
  * Maps a fuly qualified or abbreviated lti role
  * to an existing tao role
  * 
  * @param string $role
  * @throws common_Exception
  * @throws common_exception_Error
  * @return core_kernel_classes_Resource the tao role or null
  */
 public static function mapLTIRole2TaoRole($role)
 {
     $taoRole = null;
     if (filter_var($role, FILTER_VALIDATE_URL)) {
         // url found
         $taoRole = new core_kernel_classes_Resource($role);
     } else {
         // if not fully qualified prepend LIS context role NS
         if (strtolower(substr($role, 0, 4)) !== 'urn:') {
             $role = self::LIS_CONTEXT_ROLE_NAMESPACE . $role;
         }
         list($prefix, $nid, $nss) = explode(':', $role, 3);
         if ($nid != 'lti') {
             common_Logger::w('Non LTI URN ' . $role . ' passed via LTI');
         }
         $urn = 'urn:' . strtolower($nid) . ':' . $nss;
         // search for fitting role
         $class = new core_kernel_classes_Class(CLASS_LTI_ROLES);
         $cand = $class->searchInstances(array(PROPERTY_LTI_ROLES_URN => $urn));
         if (count($cand) > 1) {
             throw new common_exception_Error('Multiple instances share the URN ' . $urn);
         }
         if (count($cand) == 1) {
             $taoRole = current($cand);
         } else {
             common_Logger::w('Unknown LTI role with urn: ' . $urn);
         }
     }
     if (!is_null($taoRole) && $taoRole->exists()) {
         return $taoRole->getUri();
     } else {
         return null;
     }
 }

 /**
  * @param $params
  * @return Report
  */
 public function __invoke($params)
 {
     $deliveryMonitoringService = $this->getServiceLocator()->get(DeliveryMonitoringService::CONFIG_ID);
     $deliveryClass = new \core_kernel_classes_Class('http://www.tao.lu/Ontologies/TAODelivery.rdf#AssembledDelivery');
     $deliveries = $deliveryClass->getInstances(true);
     $deliveryExecutionService = \taoDelivery_models_classes_execution_ServiceProxy::singleton();
     $this->report = new Report(Report::TYPE_INFO, 'Updating of delivery monitoring cache...');
     foreach ($deliveries as $delivery) {
         if ($delivery->exists()) {
             $deliveryExecutions = $deliveryExecutionService->getExecutionsByDelivery($delivery);
             foreach ($deliveryExecutions as $deliveryExecution) {
                 $data = $deliveryMonitoringService->getData($deliveryExecution, true);
                 if ($deliveryMonitoringService->save($data)) {
                     $this->report->add(new Report(Report::TYPE_SUCCESS, "Delivery execution {$deliveryExecution->getUri()} successfully updated."));
                 } else {
                     $errors = $data->getErrors();
                     $errorsStr = "    " . PHP_EOL;
                     array_walk($errors, function ($val, $key) use(&$errorsStr) {
                         $errorsStr .= "    {$key} - {$val}" . PHP_EOL;
                     });
                     $this->report->add(new Report(Report::TYPE_ERROR, "Delivery execution {$deliveryExecution->getUri()} was not updated. {$errorsStr}"));
                 }
             }
         }
     }
     return $this->report;
 }

 /**
  * tests initialization
  */
 public function setUp()
 {
     TaoTestRunner::initTest();
     $resultsService = taoResults_models_classes_ResultsService::singleton();
     $this->resultsService = $resultsService;
     $this->statsService = taoResults_models_classes_StatisticsService::singleton();
     $this->reportService = taoResults_models_classes_ReportService::singleton();
     //create an activity execution
     $activityExecutionClass = new core_kernel_classes_Class(CLASS_ACTIVITY_EXECUTION);
     //create an activity definition
     $activityDefinitionClass = new core_kernel_classes_Class(CLASS_ACTIVITIES);
     $this->activityExecution = $activityExecutionClass->createInstance("MyActivityExecution");
     //links the activity execution to the activity definition
     $this->activityDefinition = $activityDefinitionClass->createInstance("MyActivityDefinition");
     $this->activityExecution->setPropertyValue(new core_kernel_classes_Property(PROPERTY_ACTIVITY_EXECUTION_ACTIVITY), $this->activityDefinition->getUri());
     //links the call of service to the activity execution
     $interactiveServiceClass = new core_kernel_classes_Class(CLASS_CALLOFSERVICES);
     $this->interactiveService = $interactiveServiceClass->createInstance("MyInteractiveServiceCall");
     $this->activityDefinition->setPropertyValue(new core_kernel_classes_Property(PROPERTY_ACTIVITIES_INTERACTIVESERVICES), $this->interactiveService->getUri());
     $this->interactiveService->setPropertyValue(new core_kernel_classes_Property(PROPERTY_CALLOFSERVICES_SERVICEDEFINITION), "#interactiveServiceDefinition");
     $deliveryResult = new core_kernel_classes_Resource("#MyDeliveryResult");
     $variableIDentifier = "GRADE";
     $value = 0.4;
     //create a small delivery
     $this->subClass = $this->resultsService->createSubClass(new core_kernel_classes_Class(TAO_DELIVERY_RESULT), "UnitTestingGenClass");
     $this->delivery = $this->subClass->createInstance("UnitTestingGenDelivery");
     $this->delivery->setPropertyValue(new core_kernel_classes_Property(PROPERTY_RESULT_OF_DELIVERY), "#unitTestResultOfDelivery");
     $this->delivery->setPropertyValue(new core_kernel_classes_Property(PROPERTY_RESULT_OF_SUBJECT), "#unitTestResultOfSubject");
     $this->delivery->setPropertyValue(new core_kernel_classes_Property(PROPERTY_RESULT_OF_PROCESS), "#unitTestResultOfProcess");
     //stores a grade in this delivery
     $this->grade = $this->resultsService->storeGrade($this->delivery, $this->activityExecution, $variableIDentifier, $value);
     $this->response = $this->resultsService->storeResponse($this->delivery, $this->activityExecution, $variableIDentifier, $value);
 }

 /**
  * Creates a new delivery
  * 
  * @param core_kernel_classes_Class $deliveryClass
  * @param core_kernel_classes_Resource $test
  * @param array $properties Array of properties of delivery
  * @return common_report_Report
  */
 public static function create(\core_kernel_classes_Class $deliveryClass, \core_kernel_classes_Resource $test, $properties = array())
 {
     \common_Logger::i('Creating delivery with ' . $test->getLabel() . ' under ' . $deliveryClass->getLabel());
     $storage = new TrackedStorage();
     $testCompilerClass = \taoTests_models_classes_TestsService::singleton()->getCompilerClass($test);
     $compiler = new $testCompilerClass($test, $storage);
     $report = $compiler->compile();
     if ($report->getType() == \common_report_Report::TYPE_SUCCESS) {
         //$tz = new \DateTimeZone(\common_session_SessionManager::getSession()->getTimeZone());
         $tz = new \DateTimeZone('UTC');
         if (!empty($properties[TAO_DELIVERY_START_PROP])) {
             $dt = new \DateTime($properties[TAO_DELIVERY_START_PROP], $tz);
             $properties[TAO_DELIVERY_START_PROP] = (string) $dt->getTimestamp();
         }
         if (!empty($properties[TAO_DELIVERY_END_PROP])) {
             $dt = new \DateTime($properties[TAO_DELIVERY_END_PROP], $tz);
             $properties[TAO_DELIVERY_END_PROP] = (string) $dt->getTimestamp();
         }
         $serviceCall = $report->getData();
         $properties[PROPERTY_COMPILEDDELIVERY_DIRECTORY] = $storage->getSpawnedDirectoryIds();
         $compilationInstance = DeliveryAssemblyService::singleton()->createAssemblyFromServiceCall($deliveryClass, $serviceCall, $properties);
         $report->setData($compilationInstance);
     }
     return $report;
 }

 /**
  *
  * @author Lionel Lecaque, [email protected]
  */
 private function migrateCompiledDeliveryToAssembly()
 {
     $compiledDeliveryClass = new core_kernel_classes_Class(self::OLD_COMPILED_DELIVERY);
     $props = array(self::OLD_PROPERTY_COMPILEDDELIVERY_DELIVERY => PROPERTY_COMPILEDDELIVERY_DELIVERY, self::OLD_PROPERTY_COMPILEDDELIVERY_TIME => PROPERTY_COMPILEDDELIVERY_TIME, self::OLD_PROPERTY_COMPILEDDELIVERY_RUNTIME => PROPERTY_COMPILEDDELIVERY_RUNTIME, self::OLD_PROPERTY_COMPILEDDELIVERY_DIRECTORY => PROPERTY_COMPILEDDELIVERY_DIRECTORY);
     foreach ($compiledDeliveryClass->getInstances(true) as $compiledDelivery) {
         taoUpdate_scripts_update_UpdateDeliveryModel::switchType($compiledDelivery, TAO_DELIVERY_CLASS);
         $values = $compiledDelivery->getPropertiesValues(array_keys($props));
         foreach ($values as $prop => $val) {
             //compiled time was not always set in 2.5 so I set a 0 will appear as 1970 in UI
             if ($prop == self::OLD_PROPERTY_COMPILEDDELIVERY_TIME && empty($val)) {
                 if (isset($props[$prop])) {
                     $compiledDelivery->setPropertyValue(new core_kernel_classes_Property($props[$prop]), '0');
                 }
             }
             if (!empty($val) && $prop != self::OLD_PROPERTY_COMPILEDDELIVERY_DIRECTORY) {
                 if (isset($props[$prop])) {
                     $compiledDelivery->removePropertyValues(new core_kernel_classes_Property($prop));
                     $compiledDelivery->setPropertiesValues(array($props[$prop] => $val));
                 } else {
                     $this->info('could not found property ' . $prop);
                 }
                 //copy property value from templace to assembly
                 if ($prop == self::OLD_PROPERTY_COMPILEDDELIVERY_DELIVERY) {
                     if (isset($val[0]) && $val[0] instanceof core_kernel_classes_Resource) {
                         $this->copyPropertyValuesFromTemplateToAssembly($val[0], $compiledDelivery);
                     }
                 }
             }
         }
     }
 }

 public static function importDelivery(core_kernel_classes_Class $deliveryClass, $archiveFile)
 {
     $folder = tao_helpers_File::createTempDir();
     $zip = new ZipArchive();
     if ($zip->open($archiveFile) === true) {
         if ($zip->extractTo($folder)) {
             $returnValue = $folder;
         }
         $zip->close();
     }
     $manifestPath = $folder . self::MANIFEST_FILE;
     if (!file_exists($manifestPath)) {
         return common_report_Report::createFailure(__('Manifest not found in assembly'));
     }
     $manifest = json_decode(file_get_contents($manifestPath), true);
     $label = $manifest['label'];
     $serviceCall = tao_models_classes_service_ServiceCall::fromString(base64_decode($manifest['runtime']));
     $dirs = $manifest['dir'];
     $resultServer = taoResultServer_models_classes_ResultServerAuthoringService::singleton()->getDefaultResultServer();
     try {
         foreach ($dirs as $id => $relPath) {
             tao_models_classes_service_FileStorage::singleton()->import($id, $folder . $relPath);
         }
         $delivery = $deliveryClass->createInstanceWithProperties(array(RDFS_LABEL => $label, PROPERTY_COMPILEDDELIVERY_DIRECTORY => array_keys($dirs), PROPERTY_COMPILEDDELIVERY_TIME => time(), PROPERTY_COMPILEDDELIVERY_RUNTIME => $serviceCall->toOntology(), TAO_DELIVERY_RESULTSERVER_PROP => $resultServer));
         $report = common_report_Report::createSuccess(__('Delivery "%s" successfully imported', $label), $delivery);
     } catch (Exception $e) {
         if (isset($delivery) && $delivery instanceof core_kernel_classes_Resource) {
             $delivery->delete();
         }
         $report = common_report_Report::createFailure(__('Unkown error during impoort'));
     }
     return $report;
 }

 /**
  * (non-PHPdoc)
  * @see common_user_auth_Adapter::authenticate()
  */
 public function authenticate()
 {
     $userClass = new core_kernel_classes_Class(CLASS_GENERIS_USER);
     $filters = array(PROPERTY_USER_LOGIN => $this->username);
     $options = array('like' => false, 'recursive' => true);
     $users = $userClass->searchInstances($filters, $options);
     if (count($users) > 1) {
         // Multiple users matching
         throw new common_exception_InconsistentData("Multiple Users found with the same login '" . $this->username . "'.");
     }
     if (empty($users)) {
         // fake code execution to prevent timing attacks
         $label = new core_kernel_classes_Property(RDFS_LABEL);
         $hash = $label->getUniquePropertyValue($label);
         if (!core_kernel_users_Service::getPasswordHash()->verify($this->password, $hash)) {
             throw new core_kernel_users_InvalidLoginException();
         }
         // should never happen, added for integrity
         throw new core_kernel_users_InvalidLoginException();
     }
     $userResource = current($users);
     $hash = $userResource->getUniquePropertyValue(new core_kernel_classes_Property(PROPERTY_USER_PASSWORD));
     if (!core_kernel_users_Service::getPasswordHash()->verify($this->password, $hash)) {
         throw new core_kernel_users_InvalidLoginException();
     }
     return new core_kernel_users_GenerisUser($userResource);
 }

 /**
  * Starts the import based on the form
  *
  * @param \core_kernel_classes_Class $class
  * @param \tao_helpers_form_Form $form
  * @return \common_report_Report $report
  */
 public function import($class, $form)
 {
     //as upload may be called multiple times, we remove the session lock as soon as possible
     session_write_close();
     try {
         $file = $form->getValue('source');
         $service = MediaService::singleton();
         $classUri = $class->getUri();
         if (is_null($this->instanceUri) || $this->instanceUri === $classUri) {
             //if the file is a zip do a zip import
             if ($file['type'] !== 'application/zip') {
                 if (!$service->createMediaInstance($file["uploaded_file"], $classUri, \tao_helpers_Uri::decode($form->getValue('lang')), $file["name"])) {
                     $report = \common_report_Report::createFailure(__('Fail to import media'));
                 } else {
                     $report = \common_report_Report::createSuccess(__('Media imported successfully'));
                 }
             } else {
                 $zipImporter = new ZipImporter();
                 $report = $zipImporter->import($class, $form);
             }
         } else {
             if ($file['type'] !== 'application/zip') {
                 $service->editMediaInstance($file["uploaded_file"], $this->instanceUri, \tao_helpers_Uri::decode($form->getValue('lang')));
                 $report = \common_report_Report::createSuccess(__('Media imported successfully'));
             } else {
                 $report = \common_report_Report::createFailure(__('You can\'t upload a zip file as a media'));
             }
         }
         return $report;
     } catch (\Exception $e) {
         $report = \common_report_Report::createFailure($e->getMessage());
         return $report;
     }
 }

 public function initElements()
 {
     $class = $this->data['class'];
     if (!$class instanceof \core_kernel_classes_Class) {
         throw new \common_Exception('missing class in simple delivery creation form');
     }
     $classUriElt = \tao_helpers_form_FormFactory::getElement('classUri', 'Hidden');
     $classUriElt->setValue($class->getUri());
     $this->form->addElement($classUriElt);
     //create the element to select the import format
     $formatElt = \tao_helpers_form_FormFactory::getElement('test', 'Combobox');
     $formatElt->setDescription(__('Select the test you want to publish to the test-takers'));
     $testClass = new \core_kernel_classes_Class(TAO_TEST_CLASS);
     $options = array();
     $testService = \taoTests_models_classes_TestsService::singleton();
     foreach ($testClass->getInstances(true) as $test) {
         try {
             $testItems = $testService->getTestItems($test);
             //Filter tests which has no items
             if (!empty($testItems)) {
                 $options[$test->getUri()] = $test->getLabel();
             }
         } catch (\Exception $e) {
             \common_Logger::w('Unable to load items for test ' . $test->getUri());
         }
     }
     if (empty($options)) {
         throw new NoTestsException();
     }
     $formatElt->setOptions($options);
     $formatElt->addValidator(\tao_helpers_form_FormFactory::getValidator('NotEmpty'));
     $this->form->addElement($formatElt);
 }

 /**
  * Short description of method getPreviousSteps
  *
  * @access public
  * @author Joel Bout, <[email protected]>
  * @param  Resource step
  * @return array
  */
 public function getPreviousSteps(core_kernel_classes_Resource $step)
 {
     $returnValue = array();
     $stepClass = new core_kernel_classes_Class(CLASS_STEP);
     $returnValue = $stepClass->searchInstances(array(PROPERTY_STEP_NEXT => $step), array('like' => false, 'recursive' => true));
     return (array) $returnValue;
 }

 /**
  * Returns the storage engine of the result server
  * 
  * @param string $deliveryId
  * @throws \common_exception_Error
  * @return \taoResultServer_models_classes_ReadableResultStorage
  */
 public function getResultStorage($deliveryId)
 {
     if (is_null($deliveryId)) {
         throw new \common_exception_Error(__('This delivery doesn\'t exists'));
     }
     $delivery = $this->getResource($deliveryId);
     $deliveryResultServer = $delivery->getOnePropertyValue($this->getProperty(self::PROPERTY_RESULT_SERVER));
     if (is_null($deliveryResultServer)) {
         throw new \common_exception_Error(__('This delivery has no Result Server'));
     }
     $resultServerModel = $deliveryResultServer->getPropertyValues($this->getProperty(TAO_RESULTSERVER_MODEL_PROP));
     if (is_null($resultServerModel)) {
         throw new \common_exception_Error(__('This delivery has no readable Result Server'));
     }
     $implementations = array();
     foreach ($resultServerModel as $model) {
         $model = new \core_kernel_classes_Class($model);
         /** @var $implementationClass \core_kernel_classes_Literal*/
         $implementationClass = $model->getOnePropertyValue($this->getProperty(TAO_RESULTSERVER_MODEL_IMPL_PROP));
         if (!is_null($implementationClass) && class_exists($implementationClass->literal)) {
             $className = $implementationClass->literal;
             $implementations[] = new $className();
         }
     }
     if (empty($implementations)) {
         throw new \common_exception_Error(__('This delivery has no readable Result Server'));
     } elseif (count($implementations) == 1) {
         return reset($implementations);
     } else {
         return new StorageAggregation($implementations);
     }
 }

 protected function getPropertiesByClass(\core_kernel_classes_Class $type)
 {
     if (!isset($this->propertyCache[$type->getUri()])) {
         $this->propertyCache[$type->getUri()] = $type->getProperties(true);
         // alternativly use non recursiv and union with getPropertiesByClass of parentclasses
     }
     return $this->propertyCache[$type->getUri()];
 }

 public function setUp()
 {
     parent::setUp();
     TaoPhpUnitTestRunner::initTest();
     $rdfClass = new core_kernel_classes_Class(CLASS_GENERIS_RESOURCE);
     $this->class = $rdfClass->createSubClass('test class');
     $this->property = $this->class->createProperty('test property');
 }

 /**
  * Creates a new simple delivery
  * 
  * @param core_kernel_classes_Class $deliveryClass
  * @param core_kernel_classes_Resource $test
  * @param string $label
  * @return common_report_Report
  */
 public function create(core_kernel_classes_Class $deliveryClass, core_kernel_classes_Resource $test, $label)
 {
     common_Logger::i('Creating ' . $label . ' with ' . $test->getLabel() . ' under ' . $deliveryClass->getLabel());
     $contentClass = new core_kernel_classes_Class(CLASS_SIMPLE_DELIVERYCONTENT);
     $content = $contentClass->createInstanceWithProperties(array(PROPERTY_DELIVERYCONTENT_TEST => $test->getUri()));
     $report = TemplateAssemblyService::singleton()->createAssemblyByContent($deliveryClass, $content, array(RDFS_LABEL => $label));
     $content->delete();
     return $report;
 }