Tests creating fields and instances during config import.
function testImportCreate() {
// One field with one field instance.
$field_id = 'field_test_import_staging';
$instance_id = "test_entity.test_bundle.{$field_id}";
$field_config_name = "field.field.{$field_id}";
$instance_config_name = "field.instance.{$instance_id}";
// One field with two field instances.
$field_id_2 = 'field_test_import_staging_2';
$instance_id_2a = "test_entity.test_bundle.{$field_id_2}";
$instance_id_2b = "test_entity.test_bundle_2.{$field_id_2}";
$field_config_name_2 = "field.field.{$field_id_2}";
$instance_config_name_2a = "field.instance.{$instance_id_2a}";
$instance_config_name_2b = "field.instance.{$instance_id_2b}";
$active = $this->container
->get('config.storage');
$staging = $this->container
->get('config.storage.staging');
$this
->copyConfig($active, $staging);
// Add the new files to the staging directory.
$src_dir = drupal_get_path('module', 'field_test_config') . '/staging';
$this
->assertTrue(file_unmanaged_copy("{$src_dir}/{$field_config_name}.yml", "public://config_staging/{$field_config_name}.yml"));
$this
->assertTrue(file_unmanaged_copy("{$src_dir}/{$instance_config_name}.yml", "public://config_staging/{$instance_config_name}.yml"));
$this
->assertTrue(file_unmanaged_copy("{$src_dir}/{$field_config_name_2}.yml", "public://config_staging/{$field_config_name_2}.yml"));
$this
->assertTrue(file_unmanaged_copy("{$src_dir}/{$instance_config_name_2a}.yml", "public://config_staging/{$instance_config_name_2a}.yml"));
$this
->assertTrue(file_unmanaged_copy("{$src_dir}/{$instance_config_name_2b}.yml", "public://config_staging/{$instance_config_name_2b}.yml"));
// Import the content of the staging directory.
$this
->configImporter()
->import();
// Check that the field and instance were created.
$field = entity_load('field_entity', $field_id);
$this
->assertTrue($field, 'Test import field from staging exists');
$instance = entity_load('field_instance', $instance_id);
$this
->assertTrue($instance, 'Test import field instance from staging exists');
$field = entity_load('field_entity', $field_id_2);
$this
->assertTrue($field, 'Test import field 2 from staging exists');
$instance = entity_load('field_instance', $instance_id_2a);
$this
->assertTrue($instance, 'Test import field instance 2a from staging exists');
$instance = entity_load('field_instance', $instance_id_2b);
$this
->assertTrue($instance, 'Test import field instance 2b from staging exists');
}