TestFilterIterator example

/** * Tests MigrateExecutable. */
class TestMigrateExecutable extends MigrateExecutable {

  /** * {@inheritdoc} */
  protected function getIdMap() {
    // This adds test coverage that this works.     return new TestFilterIterator(parent::getIdMap());
  }

  /** * {@inheritdoc} */
  protected function getSource() {
    // This adds test coverage that this works.     return new TestFilterIterator(parent::getSource());
  }

}