DerivativeTest.php in Drupal 8

Namespace

Drupal\KernelTests\Core\Plugin

File

core/tests/Drupal/KernelTests/Core/Plugin/DerivativeTest.php

<?php

namespace Drupal\KernelTests\Core\Plugin;


/**
 * Tests that derivative plugins are correctly discovered.
 *
 * @group Plugin
 */
class DerivativeTest extends PluginTestBase {

  /**
   * {@inheritdoc}
   */
  public static $modules = [
    'node',
    'user',
  ];

  /**
   * Tests getDefinitions() and getDefinition() with a derivativeDecorator.
   */
  public function testDerivativeDecorator() {

    // Ensure that getDefinitions() returns the expected definitions.
    $this
      ->assertEqual($this->mockBlockManager
      ->getDefinitions(), $this->mockBlockExpectedDefinitions);

    // Ensure that getDefinition() returns the expected definition.
    foreach ($this->mockBlockExpectedDefinitions as $id => $definition) {
      $this
        ->assertEqual($this->mockBlockManager
        ->getDefinition($id), $definition);
    }

    // Ensure that NULL is returned as the definition of a non-existing base
    // plugin, a non-existing derivative plugin, or a base plugin that may not
    // be used without deriving.
    $this
      ->assertIdentical($this->mockBlockManager
      ->getDefinition('non_existing', FALSE), NULL, 'NULL returned as the definition of a non-existing base plugin.');
    $this
      ->assertIdentical($this->mockBlockManager
      ->getDefinition('menu:non_existing', FALSE), NULL, 'NULL returned as the definition of a non-existing derivative plugin.');
    $this
      ->assertIdentical($this->mockBlockManager
      ->getDefinition('menu', FALSE), NULL, 'NULL returned as the definition of a base plugin that may not be used without deriving.');
  }

}

Classes

Name	Description
DerivativeTest	Tests that derivative plugins are correctly discovered.