YamlDiscoveryDecoratorTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Plugin\Discovery;

use Drupal\Tests\UnitTestCase;
use Drupal\Core\Plugin\Discovery\YamlDiscoveryDecorator;

/**
 * YamlDiscoveryDecorator unit tests.
 *
 * @group Plugin
 */
class YamlDiscoveryDecoratorTest extends UnitTestCase {

  /**
   * The YamlDiscovery instance to test.
   *
   * @var \Drupal\Core\Plugin\Discovery\YamlDiscoveryDecorator
   */
  protected $discoveryDecorator;

  /**
   * Expected provider => key mappings for testing.
   *
   * @var array
   */
  protected $expectedKeys = [
    'test_1' => 'test_1_a',
    'another_provider_1' => 'test_1_b',
    'another_provider_2' => 'test_2_a',
    'test_2' => 'test_2_b',
    'decorated_1' => 'decorated_test_1',
    'decorated_2' => 'decorated_test_2',
  ];

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $base_path = __DIR__ . '/Fixtures';

    // Set up the directories to search.
    $directories = [
      'test_1' => $base_path . '/test_1',
      'test_2' => $base_path . '/test_2',
    ];
    $definitions = [
      'decorated_test_1' => [
        'id' => 'decorated_test_1',
        'name' => 'Decorated test 1',
        'provider' => 'decorated_1',
      ],
      'decorated_test_2' => [
        'id' => 'decorated_test_2',
        'name' => 'Decorated test 1',
        'provider' => 'decorated_2',
      ],
    ];
    $decorated = $this
      ->createMock('Drupal\\Component\\Plugin\\Discovery\\DiscoveryInterface');
    $decorated
      ->expects($this
      ->once())
      ->method('getDefinitions')
      ->willReturn($definitions);
    $this->discoveryDecorator = new YamlDiscoveryDecorator($decorated, 'test', $directories);
  }

  /**
   * Tests the getDefinitions() method.
   */
  public function testGetDefinitions() {
    $definitions = $this->discoveryDecorator
      ->getDefinitions();
    $this
      ->assertIsArray($definitions);
    $this
      ->assertCount(6, $definitions);
    foreach ($this->expectedKeys as $expected_key) {
      $this
        ->assertArrayHasKey($expected_key, $definitions);
    }
    foreach ($definitions as $id => $definition) {
      foreach ([
        'name',
        'id',
        'provider',
      ] as $key) {
        $this
          ->assertArrayHasKey($key, $definition);
      }
      $this
        ->assertEquals($id, $definition['id']);
      $this
        ->assertEquals(array_search($id, $this->expectedKeys), $definition['provider']);
    }
  }

}