30183168
Descripción
Test por Pascal Bartl, actualizado hace más de 1 año
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Creado por Pascal Bartl
hace más de 3 años
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Pregunta 1
Pregunta
Which statements about Extbase controllers are correct? (2)
Respuesta
-
Extbase controllers are always interfaces
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Every controller must directly extend the basis controller TYPO3\CMS\Extbase\Mvc\Controller\ActionController
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The visibility of all properties should be protected
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All method names in a controller must end in Action()
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The logic implemented in controllers should be kept to a minimum
Pregunta 2
Pregunta
What are the characteristics of the methods redirect() and forward() in a controller? (2)
Respuesta
-
The redirect() method requires the controller name of the target as an argument
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The redirect() method initiates a new HTTP request
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The forward() method transfers the request to the target action automatically
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The forward() method changes the URL in the way that the action name appears
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The redirect() and forward() methods both clear the cache
Pregunta 3
Pregunta
What are the differences between the controller methods forward() and redirect()? (2)
Respuesta
-
There are no differences
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Method $this->forward() is set as $this->request->setDispatched(false)
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Method $this->redirect() initiates a new HTTP request; method $this->forward() does not
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Method $this->forward() does not accept any arguments, $this->redirect() does
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Method $this->redirect() renders a template by default; method $this->forward() does not
Pregunta 4
Pregunta
How can you generate a HTTP status code 400? (2)
Respuesta
-
die(400, null, 'Bad Request.')
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$this->addError(400, null, 'Bad Request.')
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new \TYPO3\CMS\Extbase\Error\Error(400, null, 'Bad Request.')
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$this->throwStatus(400, null, 'Bad Request.')
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Instantiate a response object and set the status code as \GuzzleHttp\Psr7\Response(400)
Pregunta 5
Pregunta
What are the characteristics of controllers? (2)
Respuesta
-
Controllers are the control and central processing unit in the MVC stack
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Controllers are responsible for initialising domain models
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The logic implemented in controllers should be kept to a minimum
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All business logic should be implemented in controllers
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Controllers validate all objects
Pregunta 6
Pregunta
Which statements about “actions” in Extbase’s controller/action concept are correct? (3)
Respuesta
-
Action methods are always static functions
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Actions are public methods of a controller class
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Names of action methods always end in Action, for example listAction()
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Each action must be stored in a separate PHP file under Classes/Actions/
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To be able to request an action of a plugin, the action has to be registered by using configurePlugin()
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Action methods must always return a string (this is the content shown in the frontend)
Pregunta 7
Pregunta
How can a fallback to the default action be achieved, in order to prevent an error if a non-configured action is
called? (1)
Respuesta
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This is the default behaviour of Extbase
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An appropriate configuration in file ext_localconf.php is required
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The TypoScript setting callDefaultActionIfActionCantBeResolved can be configured
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An errorAction() method can be implemented in the controller
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The key routing can be used in TypoScript
Pregunta 8
Pregunta
How can a “Page Not Found” error message be displayed – HTTP code 404 – if a non-configured action is called? (1)
Respuesta
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This is the default behaviour of Extbase
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An appropriate configuration in the ext_localconf.php file is required
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The TypoScript setting exceptionHandler can be configured
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An errorAction() method can be implemented in the controller
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The TypoScript setting throwPageNotFoundExceptionIfActionCantBeResolved can be configured
Pregunta 9
Pregunta
Which approach is officially recommended to get an object in a controller? (1)
Respuesta
-
use \Vendor\MyExtension\Domain\Repository\TagRepository; ... $this->objectManager->get(TagRepository::class)
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use \Vendor\MyExtension\Domain\Repository\TagRepository; ... $this->objectManager->create(TagRepository::class)
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new \Vendor\MyExtension\Domain\Repository\TagRepository
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use \Vendor\MyExtension\Domain\Repository\TagRepository; ... $this->instanceManager->make(TagRepository::class)
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use \TYPO3\CMS\Core\Utility\GeneralUtility; use \Vendor\MyExtension\Domain\Repository\TagRepository; ... GeneralUtility::makeInstance(TagRepository::class);
Pregunta 10
Pregunta
Where is the Object Manager available as $this->objectManager by default? (2)
Respuesta
-
In repositories
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In ViewHelpers
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In Fluid templates
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In controllers
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In domain models
Pregunta 11
Pregunta
Which statements about the view in a controller are correct? (2)
Respuesta
-
You can access the output of a view by using the method render()
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The view can only be rendered at the end of an action method
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The view is available in the action as $this->view
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To prevent rendering the view, the action must return false
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It is not possible to render a different view than the default one
Pregunta 12
Pregunta
How do you prevent an action from being executed? (2)
Respuesta
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The action can be omitted from the TypoScript key switchableControllerActions
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The action can be omitted from the first array of the plugin configuration in file ext_localconf.php
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The action can be omitted from the second array of the plugin configuration in file ext_localconf.php
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By setting the attribute deactivate in file tables.php
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By configuring the action in the page TS key deniedActions
Pregunta 13
Pregunta
How can an invalid domain object $blog be accessed in an action new? (2)
Respuesta
-
This is always possible
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Via the initializeNewAction() method
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Via the errorNewAction() method
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Via the newAction() method if the annotation @ignorevalidation $blog is set
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Via the __destruct() method
Pregunta 14
Pregunta
What is the purpose of the method errorAction() in a controller? (1)
Respuesta
-
This method is executed if an error in the controller occurs
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This method is executed if an error in the view occurs
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This method is executed before the primary action
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This method is always executed after the primary action
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This method is executed if a validation error in the controller occurs
Pregunta 15
Pregunta
How can validation errors of an object $blog be accessed in a controller? (1)
Respuesta
-
This is not possible
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By $blog->getErrors()
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By $this->getErrors()
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By $this->controllerContext->getRequest()->getErrors()
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By $this->errors
Pregunta 16
Pregunta
How can a non-persisting object be created from a GET request? (1)
Respuesta
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This happens automatically if the object is passed to the method as a parameter in the action
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By using the “Object Type Converter”
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By manually executing convertArrayToObject() in the Property Mapper
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By setting the property mapping in TypoScript
Pregunta 17
Pregunta
What is the purpose of the following method in a controller? (2)
use \TYPO3\CMS\Core\Utility\ArrayUtility;
...
public function initializeAction()
{
$settings = [
...
];
ArrayUtility::mergeRecursiveWithOverrule(
$this->settings,
$settings
);
}
Respuesta
-
FlexForm settings are merged with TypoScript settings
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Custom settings are merged with TypoScript settings
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All empty values in the arrays, both $settings and $this->settings, are removed
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Keys with a value __UNSET in the array $settings unset array keys with the same name in the array $this->settings
Pregunta 18
Pregunta
How do you retrieve the data of the current content object in Extbase? (1)
Respuesta
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By accessing getContentObject()->data of the ConfigurationManager
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By accessing $this->request->getContentObjectData()
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By accessing $this->cObj->data
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By accessing $this->cObj->cObjGetSingle()
Pregunta 19
Pregunta
In which file are custom Type Converters registered? (1)
Respuesta
-
File ext_tables.php
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File ext_localconf.php
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The controller
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File Configuration/TCA/table.php
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File Configuration/TypoScript/setup.typoscript
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