/**
* Provides a helper for dependency assertions.
*
* @param bool $assertion
* Assertion: positive or negative.
* @param string $type
* The dependency type: 'config', 'content', 'module' or 'theme'.
* @param string $key
* The string to be checked.
* @param \Drupal\Core\Entity\Display\EntityDisplayInterface $display
* The entity display object to get dependencies from.
*
* @return bool
* TRUE if the assertion succeeded, FALSE otherwise.
*/
protected function assertDependencyHelper($assertion, $type, $key, EntityDisplayInterface $display)
{
$all_dependencies = $display->getDependencies();
$dependencies = !empty($all_dependencies[$type]) ? $all_dependencies[$type] : [];
$context = $display instanceof EntityViewDisplayInterface ? 'View' : 'Form';
$value = $assertion ? in_array($key, $dependencies) : !in_array($key, $dependencies);
$args = ['@context' => $context, '@id' => $display->id(), '@type' => $type, '@key' => $key];
$message = $assertion ? new FormattableMarkup("@context display '@id' depends on @type '@key'.", $args) : new FormattableMarkup("@context display '@id' do not depend on @type '@key'.", $args);
return $this->assert($value, $message);
}
