diff core/modules/migrate/tests/src/Kernel/MigrateTestBase.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/migrate/tests/src/Kernel/MigrateTestBase.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,253 @@
+<?php
+
+namespace Drupal\Tests\migrate\Kernel;
+
+use Drupal\Core\Database\Database;
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\migrate\MigrateExecutable;
+use Drupal\migrate\MigrateMessageInterface;
+use Drupal\migrate\Plugin\MigrateIdMapInterface;
+use Drupal\migrate\Plugin\Migration;
+use Drupal\migrate\Plugin\MigrationInterface;
+use Drupal\migrate\Row;
+
+/**
+ * Creates abstract base class for migration tests.
+ */
+abstract class MigrateTestBase extends KernelTestBase implements MigrateMessageInterface {
+
+  /**
+   * TRUE to collect messages instead of displaying them.
+   *
+   * @var bool
+   */
+  protected $collectMessages = FALSE;
+
+  /**
+   * A two dimensional array of messages.
+   *
+   * The first key is the type of message, the second is just numeric. Values
+   * are the messages.
+   *
+   * @var array
+   */
+  protected $migrateMessages;
+
+  /**
+   * The primary migration being tested.
+   *
+   * @var \Drupal\migrate\Plugin\MigrationInterface
+   */
+  protected $migration;
+
+  /**
+   * The source database connection.
+   *
+   * @var \Drupal\Core\Database\Connection
+   */
+  protected $sourceDatabase;
+
+  public static $modules = ['migrate'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->createMigrationConnection();
+    $this->sourceDatabase = Database::getConnection('default', 'migrate');
+  }
+
+  /**
+   * Changes the database connection to the prefixed one.
+   *
+   * @todo Remove when we don't use global. https://www.drupal.org/node/2552791
+   */
+  private function createMigrationConnection() {
+    // If the backup already exists, something went terribly wrong.
+    // This case is possible, because database connection info is a static
+    // global state construct on the Database class, which at least persists
+    // for all test methods executed in one PHP process.
+    if (Database::getConnectionInfo('simpletest_original_migrate')) {
+      throw new \RuntimeException("Bad Database connection state: 'simpletest_original_migrate' connection key already exists. Broken test?");
+    }
+
+    // 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) {
+      $prefix = is_array($value['prefix']) ? $value['prefix']['default'] : $value['prefix'];
+      // Simpletest uses 7 character prefixes at most so this can't cause
+      // collisions.
+      $connection_info[$target]['prefix']['default'] = $prefix . '0';
+
+      // Add the original simpletest prefix so SQLite can attach its database.
+      // @see \Drupal\Core\Database\Driver\sqlite\Connection::init()
+      $connection_info[$target]['prefix'][$value['prefix']['default']] = $value['prefix']['default'];
+    }
+    Database::addConnectionInfo('migrate', 'default', $connection_info['default']);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function tearDown() {
+    $this->cleanupMigrateConnection();
+    parent::tearDown();
+    $this->databaseDumpFiles = [];
+    $this->collectMessages = FALSE;
+    unset($this->migration, $this->migrateMessages);
+  }
+
+  /**
+   * Cleans up the test migrate connection.
+   *
+   * @todo Remove when we don't use global. https://www.drupal.org/node/2552791
+   */
+  private function cleanupMigrateConnection() {
+    Database::removeConnection('migrate');
+    $original_connection_info = Database::getConnectionInfo('simpletest_original_migrate');
+    if ($original_connection_info) {
+      Database::renameConnection('simpletest_original_migrate', 'migrate');
+    }
+  }
+
+  /**
+   * Prepare any dependent migrations.
+   *
+   * @param array $id_mappings
+   *   A list of ID mappings keyed by migration IDs. Each ID mapping is a list
+   *   of two arrays, the first are source IDs and the second are destination
+   *   IDs.
+   */
+  protected function prepareMigrations(array $id_mappings) {
+    $manager = $this->container->get('plugin.manager.migration');
+    foreach ($id_mappings as $migration_id => $data) {
+      foreach ($manager->createInstances($migration_id) as $migration) {
+        $id_map = $migration->getIdMap();
+        $id_map->setMessage($this);
+        $source_ids = $migration->getSourcePlugin()->getIds();
+        foreach ($data as $id_mapping) {
+          $row = new Row(array_combine(array_keys($source_ids), $id_mapping[0]), $source_ids);
+          $id_map->saveIdMapping($row, $id_mapping[1]);
+        }
+      }
+    }
+  }
+
+  /**
+   * Modify a migration's configuration before executing it.
+   *
+   * @param \Drupal\migrate\Plugin\MigrationInterface $migration
+   *   The migration to execute.
+   */
+  protected function prepareMigration(MigrationInterface $migration) {
+    // Default implementation for test classes not requiring modification.
+  }
+
+  /**
+   * Executes a single migration.
+   *
+   * @param string|\Drupal\migrate\Plugin\MigrationInterface $migration
+   *   The migration to execute, or its ID.
+   */
+  protected function executeMigration($migration) {
+    if (is_string($migration)) {
+      $this->migration = $this->getMigration($migration);
+    }
+    else {
+      $this->migration = $migration;
+    }
+    if ($this instanceof MigrateDumpAlterInterface) {
+      static::migrateDumpAlter($this);
+    }
+
+    $this->prepareMigration($this->migration);
+    (new MigrateExecutable($this->migration, $this))->import();
+  }
+
+  /**
+   * Executes a set of migrations in dependency order.
+   *
+   * @param string[] $ids
+   *   Array of migration IDs, in any order.
+   */
+  protected function executeMigrations(array $ids) {
+    $manager = $this->container->get('plugin.manager.migration');
+    array_walk($ids, function ($id) use ($manager) {
+      // This is possibly a base plugin ID and we want to run all derivatives.
+      $instances = $manager->createInstances($id);
+      array_walk($instances, [$this, 'executeMigration']);
+    });
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function display($message, $type = 'status') {
+    if ($this->collectMessages) {
+      $this->migrateMessages[$type][] = $message;
+    }
+    else {
+      $this->assert($type == 'status', $message, 'migrate');
+    }
+  }
+
+  /**
+   * Start collecting messages and erase previous messages.
+   */
+  public function startCollectingMessages() {
+    $this->collectMessages = TRUE;
+    $this->migrateMessages = [];
+  }
+
+  /**
+   * Stop collecting messages.
+   */
+  public function stopCollectingMessages() {
+    $this->collectMessages = FALSE;
+  }
+
+  /**
+   * Records a failure in the map table of a specific migration.
+   *
+   * This is done in order to test scenarios which require a failed row.
+   *
+   * @param string|\Drupal\migrate\Plugin\MigrationInterface $migration
+   *   The migration entity, or its ID.
+   * @param array $row
+   *   The raw source row which "failed".
+   * @param int $status
+   *   (optional) The failure status. Should be one of the
+   *   MigrateIdMapInterface::STATUS_* constants. Defaults to
+   *   MigrateIdMapInterface::STATUS_FAILED.
+   */
+  protected function mockFailure($migration, array $row, $status = MigrateIdMapInterface::STATUS_FAILED) {
+    if (is_string($migration)) {
+      $migration = $this->getMigration($migration);
+    }
+    /** @var \Drupal\migrate\Plugin\MigrationInterface $migration */
+    $destination = array_map(function () {
+      return NULL;
+    }, $migration->getDestinationPlugin()->getIds());
+    $row = new Row($row, $migration->getSourcePlugin()->getIds());
+    $migration->getIdMap()->saveIdMapping($row, $destination, $status);
+  }
+
+  /**
+   * Gets the migration plugin.
+   *
+   * @param $plugin_id
+   *   The plugin ID of the migration to get.
+   *
+   * @return \Drupal\migrate\Plugin\Migration
+   *   The migration plugin.
+   */
+  protected function getMigration($plugin_id) {
+    return $this->container->get('plugin.manager.migration')->createInstance($plugin_id);
+  }
+
+}