function TwigReferenceUnitTest::testTwigReferenceFunctions

Test function for TwigReferenceFunctions class

File

drupal/core/modules/system/lib/Drupal/system/Tests/Theme/TwigReferenceUnitTest.php, line 84

Definition of Drupal\system\Tests\Theme\TwigReferenceUnitTest.

Class

TwigReferenceUnitTest

Unit tests for TwigReference class.

Namespace

Code

function testTwigReferenceFunctions() {

  // Create wrapper
  $content =& $this->variables;

  // Use twig nomenclature
  $context['content'] = $content;

  // Twig converts {{ hide(content.baz) }} to the following code
  // This will have failed, because getAttribute returns a value and not a reference
  try {
    if (isset($context["content"])) {
      $_content_ = $context["content"];
    }
    else {
      $_content_ = NULL;
    }
    TwigReferenceFunctions::hide($this
      ->getAttribute($_content_, "baz"));
  } catch (Exception $e) {

    // Catch the critical warning that a value was passed by reference
  }
  $this
    ->assertFalse(isset($content['baz']['#printed']), 'baz is not hidden in content after hide() via value');

  // Now lets do the same with some TwigReference magic!
  $content_wrapper = new TwigReference();
  $content_wrapper
    ->setReference($content);
  $context['content'] = $content_wrapper;

  // Twig converts {{ hide(content.baz) }} to the following code
  // This will succeed, because getAttribute returns a value, but it is an object
  if (isset($context["content"])) {
    $_content_ = $context["content"];
  }
  else {
    $_content_ = NULL;
  }
  TwigReferenceFunctions::hide($this
    ->getAttribute($_content_, "baz"));
  $this
    ->assertTrue(isset($content['baz']['#printed']), 'baz is hidden in content after hide() via TwigReference object');
  $type = TwigReferenceFunctions::gettype($this
    ->getAttribute($_content_, "baz"));
  $this
    ->assertEqual($type, 'array', 'Type returned via TwigReferenceFunctions:: is an array.');
  $type = gettype($this
    ->getAttribute($_content_, "baz"));
  $this
    ->assertEqual($type, 'object', 'Type returned without TwigReferenceFunctions:: is an object.');
}