class MigrationPluginListTest

class MigrationPluginListTest extends KernelTestBase {
    use EntityReferenceFieldCreationTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'migrate',
        // Test with all modules containing Drupal migrations.
'ban',
        'block',
        'block_content',
        'comment',
        'contact',
        'content_translation',
        'dblog',
        'field',
        'file',
        'filter',
        'image',
        'language',
        'locale',
        'menu_link_content',
        'menu_ui',
        'node',
        'options',
        'path',
        'search',
        'shortcut',
        'syslog',
        'system',
        'taxonomy',
        'text',
        'update',
        'user',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('user');
    }
    
    /**
     * @covers ::getDefinitions
     */
    public function testGetDefinitions() : void {
        // 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);
    }

}