function AttributeClassDiscoveryCachedTest::testGetDefinitionsMissingTrait

Tests discovery with missing traits.

@covers ::getDefinitions

File

core/tests/Drupal/Tests/Component/Plugin/Attribute/AttributeClassDiscoveryCachedTest.php, line 105

Class

AttributeClassDiscoveryCachedTest
@coversDefaultClass \Drupal\Component\Plugin\Discovery\AttributeClassDiscovery[[api-linebreak]] @covers \Drupal\Component\Discovery\MissingClassDetectionClassLoader[[api-linebreak]] @group Attribute @runTestsInSeparateProcesses

Namespace

Drupal\Tests\Component\Plugin\Attribute

Code

public function testGetDefinitionsMissingTrait() : void {
  // Path to the classes which we'll discover and parse annotation.
  $discovery_path = __DIR__ . "/../../../../../fixtures/plugins/Plugin";
  // Define file paths within the directory that should not be discovered.
  $non_discoverable_file_paths = [
    $discovery_path . '/PluginNamespace/AttributeDiscoveryTest2.php',
    $discovery_path . '/PluginNamespace/AttributeDiscoveryTestMissingInterface.php',
    $discovery_path . '/PluginNamespace/AttributeDiscoveryTestMissingTrait.php',
  ];
  $discovery = new AttributeClassDiscovery([
    'com\\example' => [
      $discovery_path,
    ],
  ]);
  $this->assertEquals([
    'discovery_test_1' => [
      'id' => 'discovery_test_1',
      'class' => 'com\\example\\PluginNamespace\\AttributeDiscoveryTest1',
    ],
  ], $discovery->getDefinitions());
  // Gain access to the file cache.
  $ref_file_cache = new \ReflectionProperty($discovery, 'fileCache');
  $ref_file_cache->setAccessible(TRUE);
  /** @var \Drupal\Component\FileCache\FileCacheInterface $file_cache */
  $file_cache = $ref_file_cache->getValue($discovery);
  // The plugins that extend a missing class, implement a missing interface,
  // and use a missing trait should not be cached.
  foreach ($non_discoverable_file_paths as $non_discoverable_file_path) {
    $this->assertTrue(file_exists($non_discoverable_file_path));
    $this->assertNull($file_cache->get($non_discoverable_file_path));
  }
  $discovery = new AttributeClassDiscovery([
    'com\\example' => [
      $discovery_path,
    ],
    'Drupal\\a_module_that_does_not_exist' => [
      $discovery_path,
    ],
  ]);
  $this->assertEquals([
    'discovery_test_1' => [
      'id' => 'discovery_test_1',
      'class' => 'com\\example\\PluginNamespace\\AttributeDiscoveryTest1',
    ],
    'discovery_test_missing_trait' => [
      'id' => 'discovery_test_missing_trait',
      'class' => 'com\\example\\PluginNamespace\\AttributeDiscoveryTestMissingTrait',
      'title' => 'Discovery test plugin missing trait',
    ],
  ], $discovery->getDefinitions());
  // The plugins that extend a missing class, implement a missing interface,
  // and use a missing trait should not be cached. This is the case even for
  // the plugin that was just discovered.
  foreach ($non_discoverable_file_paths as $non_discoverable_file_path) {
    $this->assertTrue(file_exists($non_discoverable_file_path));
    $this->assertNull($file_cache->get($non_discoverable_file_path));
  }
}

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