public function MigrationPluginListTest::testGetDefinitions

@covers ::getDefinitions

File

core/modules/migrate/tests/src/Kernel/Plugin/MigrationPluginListTest.php, line 78

Class

MigrationPluginListTest

Tests the migration plugin manager.

Namespace

Code

public function testGetDefinitions() {

  // Create an entity reference field to make sure that migrations derived by
  // EntityReferenceTranslationDeriver do not get discovered without
  // migrate_drupal enabled.
  $this
    ->createEntityReferenceField('user', 'user', 'field_entity_reference', 'Entity Reference', 'node');

  // Make sure retrieving all the core migration plugins does not throw any
  // errors.
  $migration_plugins = $this->container
    ->get('plugin.manager.migration')
    ->getDefinitions();

  // All the plugins provided by core depend on migrate_drupal.
  $this
    ->assertEmpty($migration_plugins);

  // Enable a module that provides migrations that do not depend on
  // migrate_drupal.
  $this
    ->enableModules([
    'migrate_external_translated_test',
  ]);
  $migration_plugins = $this->container
    ->get('plugin.manager.migration')
    ->getDefinitions();

  // All the plugins provided by migrate_external_translated_test do not
  // depend on migrate_drupal.
  $this::assertArrayHasKey('external_translated_test_node', $migration_plugins);
  $this::assertArrayHasKey('external_translated_test_node_translation', $migration_plugins);

  // Disable the test module and the list should be empty again.
  $this
    ->disableModules([
    'migrate_external_translated_test',
  ]);
  $migration_plugins = $this->container
    ->get('plugin.manager.migration')
    ->getDefinitions();

  // All the plugins provided by core depend on migrate_drupal.
  $this
    ->assertEmpty($migration_plugins);

  // Enable migrate_drupal to test that the plugins can now be discovered.
  $this
    ->enableModules([
    'migrate_drupal',
  ]);

  // Make sure retrieving these migration plugins in the absence of a database
  // connection does not throw any errors.
  $migration_plugins = $this->container
    ->get('plugin.manager.migration')
    ->createInstances([]);

  // Any database-based source plugins should fail a requirements test in the
  // absence of a source database connection (e.g., a connection with the
  // 'migrate' key).
  $source_plugins = array_map(function ($migration_plugin) {
    return $migration_plugin
      ->getSourcePlugin();
  }, $migration_plugins);
  foreach ($source_plugins as $id => $source_plugin) {
    if ($source_plugin instanceof RequirementsInterface) {
      try {
        $source_plugin
          ->checkRequirements();
      } catch (RequirementsException $e) {
        unset($source_plugins[$id]);
      }
    }
  }

  // Without a connection defined, no database-based plugins should be
  // returned.
  foreach ($source_plugins as $id => $source_plugin) {
    $this
      ->assertNotInstanceOf(SqlBase::class, $source_plugin);
  }

  // Set up a migrate database connection so that plugin discovery works.
  // Clone the current connection and replace the current prefix.
  $connection_info = Database::getConnectionInfo('migrate');
  if ($connection_info) {
    Database::renameConnection('migrate', 'simpletest_original_migrate');
  }
  $connection_info = Database::getConnectionInfo('default');
  foreach ($connection_info as $target => $value) {
    $prefix = $value['prefix'];

    // Tests use 7 character prefixes at most so this can't cause collisions.
    $connection_info[$target]['prefix'] = $prefix . '0';
  }
  Database::addConnectionInfo('migrate', 'default', $connection_info['default']);

  // Make sure source plugins can be serialized.
  foreach ($migration_plugins as $migration_plugin) {
    $source_plugin = $migration_plugin
      ->getSourcePlugin();
    if ($source_plugin instanceof SqlBase) {
      $source_plugin
        ->getDatabase();
    }
    $this
      ->assertNotEmpty(serialize($source_plugin));
  }
  $migration_plugins = $this->container
    ->get('plugin.manager.migration')
    ->getDefinitions();

  // All the plugins provided by core depend on migrate_drupal.
  $this
    ->assertNotEmpty($migration_plugins);

  // Test that migrations derived by EntityReferenceTranslationDeriver are
  // discovered now that migrate_drupal is enabled.
  $this
    ->assertArrayHasKey('d6_entity_reference_translation:user__user', $migration_plugins);
  $this
    ->assertArrayHasKey('d7_entity_reference_translation:user__user', $migration_plugins);
}