getDefinitionCache() public method

Return the workflow definition cache component used by this workflow source or NULL if no cache is used.
public getDefinitionCache ( ) : null | yii\caching\Cache
return null | yii\caching\Cache
 public function testConstructSuccess()
 {
     $this->specify('Workflow source construct default', function () {
         $src = new WorkflowFileSource();
         expect($src->getClassMapByType(WorkflowFileSource::TYPE_WORKFLOW))->equals('raoul2000\\workflow\\base\\Workflow');
         expect($src->getClassMapByType(WorkflowFileSource::TYPE_STATUS))->equals('raoul2000\\workflow\\base\\Status');
         expect($src->getClassMapByType(WorkflowFileSource::TYPE_TRANSITION))->equals('raoul2000\\workflow\\base\\Transition');
         expect($src->getDefinitionCache())->equals(null);
         expect($src->getDefinitionLoader())->notNull();
     });
     $this->specify('Workflow source construct with class map', function () {
         $src = new WorkflowFileSource(['classMap' => [WorkflowFileSource::TYPE_WORKFLOW => 'my\\namespace\\Workflow', WorkflowFileSource::TYPE_STATUS => 'my\\namespace\\Status', WorkflowFileSource::TYPE_TRANSITION => 'my\\namespace\\Transition']]);
         expect($src->getClassMapByType(WorkflowFileSource::TYPE_WORKFLOW))->equals('my\\namespace\\Workflow');
         expect($src->getClassMapByType(WorkflowFileSource::TYPE_STATUS))->equals('my\\namespace\\Status');
         expect($src->getClassMapByType(WorkflowFileSource::TYPE_TRANSITION))->equals('my\\namespace\\Transition');
     });
     $this->specify('Workflow source construct with cache', function () {
         // initialized by array
         $src = new WorkflowFileSource(['definitionCache' => ['class' => 'yii\\caching\\FileCache']]);
         expect_that($src->getDefinitionCache() instanceof yii\caching\FileCache);
         // initialized by component ID
         Yii::$app->set('myCache', ['class' => 'yii\\caching\\FileCache']);
         $src = new WorkflowFileSource(['definitionCache' => 'myCache']);
         expect_that($src->getDefinitionCache() instanceof yii\caching\FileCache);
         // initialized by object
         $cache = Yii::$app->get('myCache');
         Yii::$app->set('myCache', ['class' => 'yii\\caching\\FileCache']);
         $src = new WorkflowFileSource(['definitionCache' => $cache]);
         expect_that($src->getDefinitionCache() instanceof yii\caching\FileCache);
     });
 }