function KernelTestBase::loadSharedDatabaseState

Reads the record describing the shared database state.

Return value

array|null The state record, or NULL when this process has to build the initial state.

File

core/tests/Drupal/KernelTests/KernelTestBase.php, line 1280

Class

KernelTestBase

Base class for functional integration tests.

Namespace

Code

private function loadSharedDatabaseState() : ?array {
  $connection = $this->container
    ->get('database');
  try {
    // The read is attempted before checking that the table exists, so that a
    // test method finding a state already built spends one query here instead
    // of two.
    $record = $connection->select(self::STATE_TABLE, 's')
      ->fields('s', [
      'status',
      'message',
      'tables',
    ])
      ->execute()
      ->fetchAssoc();
  } catch (\Exception $e) {
    if ($connection->schema()
      ->tableExists(self::STATE_TABLE)) {
      // The table is there, so the query failed for another reason.
      throw $e;
    }
    return NULL;
  }
  return $record === FALSE ? NULL : $record;
}