function AlterTest::testDrupalAlter in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/Common/AlterTest.php \Drupal\system\Tests\Common\AlterTest::testDrupalAlter()

Tests if the theme has been altered.

File

core/modules/system/src/Tests/Common/AlterTest.php, line 29

Contains \Drupal\system\Tests\Common\AlterTest.

Class

AlterTest

Tests alteration of arguments passed to \Drupal::moduleHandler->alter().

Namespace

Drupal\system\Tests\Common

Code

function testDrupalAlter() {

  // This test depends on Bartik, so make sure that it is always the current
  // active theme.
  \Drupal::service('theme_handler')
    ->install(array(
    'bartik',
  ));
  \Drupal::theme()
    ->setActiveTheme(\Drupal::service('theme.initialization')
    ->initTheme('bartik'));
  $array = array(
    'foo' => 'bar',
  );
  $entity = new \stdClass();
  $entity->foo = 'bar';

  // Verify alteration of a single argument.
  $array_copy = $array;
  $array_expected = array(
    'foo' => 'Drupal theme',
  );
  \Drupal::moduleHandler()
    ->alter('drupal_alter', $array_copy);
  \Drupal::theme()
    ->alter('drupal_alter', $array_copy);
  $this
    ->assertEqual($array_copy, $array_expected, 'Single array was altered.');
  $entity_copy = clone $entity;
  $entity_expected = clone $entity;
  $entity_expected->foo = 'Drupal theme';
  \Drupal::moduleHandler()
    ->alter('drupal_alter', $entity_copy);
  \Drupal::theme()
    ->alter('drupal_alter', $entity_copy);
  $this
    ->assertEqual($entity_copy, $entity_expected, 'Single object was altered.');

  // Verify alteration of multiple arguments.
  $array_copy = $array;
  $array_expected = array(
    'foo' => 'Drupal theme',
  );
  $entity_copy = clone $entity;
  $entity_expected = clone $entity;
  $entity_expected->foo = 'Drupal theme';
  $array2_copy = $array;
  $array2_expected = array(
    'foo' => 'Drupal theme',
  );
  \Drupal::moduleHandler()
    ->alter('drupal_alter', $array_copy, $entity_copy, $array2_copy);
  \Drupal::theme()
    ->alter('drupal_alter', $array_copy, $entity_copy, $array2_copy);
  $this
    ->assertEqual($array_copy, $array_expected, 'First argument to \\Drupal::moduleHandler->alter() was altered.');
  $this
    ->assertEqual($entity_copy, $entity_expected, 'Second argument to \\Drupal::moduleHandler->alter() was altered.');
  $this
    ->assertEqual($array2_copy, $array2_expected, 'Third argument to \\Drupal::moduleHandler->alter() was altered.');

  // Verify alteration order when passing an array of types to \Drupal::moduleHandler->alter().
  // common_test_module_implements_alter() places 'block' implementation after
  // other modules.
  $array_copy = $array;
  $array_expected = array(
    'foo' => 'Drupal block theme',
  );
  \Drupal::moduleHandler()
    ->alter(array(
    'drupal_alter',
    'drupal_alter_foo',
  ), $array_copy);
  \Drupal::theme()
    ->alter(array(
    'drupal_alter',
    'drupal_alter_foo',
  ), $array_copy);
  $this
    ->assertEqual($array_copy, $array_expected, 'hook_TYPE_alter() implementations ran in correct order.');
}