Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\field\Tests\EntityReference;
Chris@0: 
Chris@0: use Drupal\Component\Utility\Unicode;
Chris@0: use Drupal\field\Entity\FieldConfig;
Chris@0: use Drupal\Core\Field\FieldStorageDefinitionInterface;
Chris@0: use Drupal\field_ui\Tests\FieldUiTestTrait;
Chris@0: use Drupal\node\Entity\Node;
Chris@0: use Drupal\simpletest\WebTestBase;
Chris@0: use Drupal\taxonomy\Entity\Vocabulary;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests for the administrative UI.
Chris@0:  *
Chris@0:  * @group entity_reference
Chris@0:  */
Chris@0: class EntityReferenceAdminTest extends WebTestBase {
Chris@0: 
Chris@0:   use FieldUiTestTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to install.
Chris@0:    *
Chris@0:    * Enable path module to ensure that the selection handler does not fail for
Chris@0:    * entities with a path field.
Chris@0:    * Enable views_ui module to see the no_view_help text.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['node', 'field_ui', 'path', 'taxonomy', 'block', 'views_ui'];
Chris@0: 
Chris@0:   /**
Chris@0:    * The name of the content type created for testing purposes.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $type;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0:     $this->drupalPlaceBlock('system_breadcrumb_block');
Chris@0: 
Chris@0:     // Create a content type, with underscores.
Chris@0:     $type_name = strtolower($this->randomMachineName(8)) . '_test';
Chris@0:     $type = $this->drupalCreateContentType(['name' => $type_name, 'type' => $type_name]);
Chris@0:     $this->type = $type->id();
Chris@0: 
Chris@0:     // Create test user.
Chris@0:     $admin_user = $this->drupalCreateUser([
Chris@0:       'access content',
Chris@0:       'administer node fields',
Chris@0:       'administer node display',
Chris@0:       'administer views',
Chris@0:       'create ' . $type_name . ' content',
Chris@0:       'edit own ' . $type_name . ' content',
Chris@0:     ]);
Chris@0:     $this->drupalLogin($admin_user);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests the Entity Reference Admin UI.
Chris@0:    */
Chris@0:   public function testFieldAdminHandler() {
Chris@0:     $bundle_path = 'admin/structure/types/manage/' . $this->type;
Chris@0: 
Chris@0:     // First step: 'Add new field' on the 'Manage fields' page.
Chris@0:     $this->drupalGet($bundle_path . '/fields/add-field');
Chris@0: 
Chris@0:     // Check if the commonly referenced entity types appear in the list.
Chris@0:     $this->assertOption('edit-new-storage-type', 'field_ui:entity_reference:node');
Chris@0:     $this->assertOption('edit-new-storage-type', 'field_ui:entity_reference:user');
Chris@0: 
Chris@0:     $this->drupalPostForm(NULL, [
Chris@0:       'label' => 'Test label',
Chris@0:       'field_name' => 'test',
Chris@0:       'new_storage_type' => 'entity_reference',
Chris@0:     ], t('Save and continue'));
Chris@0: 
Chris@0:     // Node should be selected by default.
Chris@0:     $this->assertFieldByName('settings[target_type]', 'node');
Chris@0: 
Chris@0:     // Check that all entity types can be referenced.
Chris@0:     $this->assertFieldSelectOptions('settings[target_type]', array_keys(\Drupal::entityManager()->getDefinitions()));
Chris@0: 
Chris@0:     // Second step: 'Field settings' form.
Chris@0:     $this->drupalPostForm(NULL, [], t('Save field settings'));
Chris@0: 
Chris@0:     // The base handler should be selected by default.
Chris@0:     $this->assertFieldByName('settings[handler]', 'default:node');
Chris@0: 
Chris@0:     // The base handler settings should be displayed.
Chris@0:     $entity_type_id = 'node';
Chris@0:     $bundles = $this->container->get('entity_type.bundle.info')->getBundleInfo($entity_type_id);
Chris@0:     foreach ($bundles as $bundle_name => $bundle_info) {
Chris@0:       $this->assertFieldByName('settings[handler_settings][target_bundles][' . $bundle_name . ']');
Chris@0:     }
Chris@0: 
Chris@0:     reset($bundles);
Chris@0: 
Chris@0:     // Test the sort settings.
Chris@0:     // Option 0: no sort.
Chris@0:     $this->assertFieldByName('settings[handler_settings][sort][field]', '_none');
Chris@0:     $this->assertNoFieldByName('settings[handler_settings][sort][direction]');
Chris@0:     // Option 1: sort by field.
Chris@0:     $this->drupalPostAjaxForm(NULL, ['settings[handler_settings][sort][field]' => 'nid'], 'settings[handler_settings][sort][field]');
Chris@0:     $this->assertFieldByName('settings[handler_settings][sort][direction]', 'ASC');
Chris@0: 
Chris@0:     // Test that a non-translatable base field is a sort option.
Chris@0:     $this->assertFieldByXPath("//select[@name='settings[handler_settings][sort][field]']/option[@value='nid']");
Chris@0:     // Test that a translatable base field is a sort option.
Chris@0:     $this->assertFieldByXPath("//select[@name='settings[handler_settings][sort][field]']/option[@value='title']");
Chris@0:     // Test that a configurable field is a sort option.
Chris@0:     $this->assertFieldByXPath("//select[@name='settings[handler_settings][sort][field]']/option[@value='body.value']");
Chris@0: 
Chris@0:     // Set back to no sort.
Chris@0:     $this->drupalPostAjaxForm(NULL, ['settings[handler_settings][sort][field]' => '_none'], 'settings[handler_settings][sort][field]');
Chris@0:     $this->assertNoFieldByName('settings[handler_settings][sort][direction]');
Chris@0: 
Chris@0:     // Third step: confirm.
Chris@0:     $this->drupalPostForm(NULL, [
Chris@0:       'required' => '1',
Chris@0:       'settings[handler_settings][target_bundles][' . key($bundles) . ']' => key($bundles),
Chris@0:     ], t('Save settings'));
Chris@0: 
Chris@0:     // Check that the field appears in the overview form.
Chris@0:     $this->assertFieldByXPath('//table[@id="field-overview"]//tr[@id="field-test"]/td[1]', 'Test label', 'Field was created and appears in the overview page.');
Chris@0: 
Chris@0:     // Check that the field settings form can be submitted again, even when the
Chris@0:     // field is required.
Chris@0:     // The first 'Edit' link is for the Body field.
Chris@0:     $this->clickLink(t('Edit'), 1);
Chris@0:     $this->drupalPostForm(NULL, [], t('Save settings'));
Chris@0: 
Chris@0:     // Switch the target type to 'taxonomy_term' and check that the settings
Chris@0:     // specific to its selection handler are displayed.
Chris@0:     $field_name = 'node.' . $this->type . '.field_test';
Chris@0:     $edit = [
Chris@0:       'settings[target_type]' => 'taxonomy_term',
Chris@0:     ];
Chris@0:     $this->drupalPostForm($bundle_path . '/fields/' . $field_name . '/storage', $edit, t('Save field settings'));
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_name);
Chris@0:     $this->assertFieldByName('settings[handler_settings][auto_create]');
Chris@0: 
Chris@0:     // Switch the target type to 'user' and check that the settings specific to
Chris@0:     // its selection handler are displayed.
Chris@0:     $field_name = 'node.' . $this->type . '.field_test';
Chris@0:     $edit = [
Chris@0:       'settings[target_type]' => 'user',
Chris@0:     ];
Chris@0:     $this->drupalPostForm($bundle_path . '/fields/' . $field_name . '/storage', $edit, t('Save field settings'));
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_name);
Chris@0:     $this->assertFieldByName('settings[handler_settings][filter][type]', '_none');
Chris@0: 
Chris@0:     // Switch the target type to 'node'.
Chris@0:     $field_name = 'node.' . $this->type . '.field_test';
Chris@0:     $edit = [
Chris@0:       'settings[target_type]' => 'node',
Chris@0:     ];
Chris@0:     $this->drupalPostForm($bundle_path . '/fields/' . $field_name . '/storage', $edit, t('Save field settings'));
Chris@0: 
Chris@0:     // Try to select the views handler.
Chris@0:     $edit = [
Chris@0:       'settings[handler]' => 'views',
Chris@0:     ];
Chris@0:     $this->drupalPostAjaxForm($bundle_path . '/fields/' . $field_name, $edit, 'settings[handler]');
Chris@0:     $this->assertRaw(t('No eligible views were found. <a href=":create">Create a view</a> with an <em>Entity Reference</em> display, or add such a display to an <a href=":existing">existing view</a>.', [
Chris@0:       ':create' => \Drupal::url('views_ui.add'),
Chris@0:       ':existing' => \Drupal::url('entity.view.collection'),
Chris@0:     ]));
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0:     // If no eligible view is available we should see a message.
Chris@0:     $this->assertText('The views entity selection mode requires a view.');
Chris@0: 
Chris@0:     // Enable the entity_reference_test module which creates an eligible view.
Chris@0:     $this->container->get('module_installer')->install(['entity_reference_test']);
Chris@0:     $this->resetAll();
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_name);
Chris@0:     $this->drupalPostAjaxForm($bundle_path . '/fields/' . $field_name, $edit, 'settings[handler]');
Chris@0:     $edit = [
Chris@0:       'settings[handler_settings][view][view_and_display]' => 'test_entity_reference:entity_reference_1',
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0:     $this->assertResponse(200);
Chris@0: 
Chris@0:     // Switch the target type to 'entity_test'.
Chris@0:     $edit = [
Chris@0:       'settings[target_type]' => 'entity_test',
Chris@0:     ];
Chris@0:     $this->drupalPostForm($bundle_path . '/fields/' . $field_name . '/storage', $edit, t('Save field settings'));
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_name);
Chris@0:     $edit = [
Chris@0:       'settings[handler]' => 'views',
Chris@0:     ];
Chris@0:     $this->drupalPostAjaxForm($bundle_path . '/fields/' . $field_name, $edit, 'settings[handler]');
Chris@0:     $edit = [
Chris@0:       'required' => FALSE,
Chris@0:       'settings[handler_settings][view][view_and_display]' => 'test_entity_reference_entity_test:entity_reference_1',
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0:     $this->assertResponse(200);
Chris@0: 
Chris@0:     // Create a new view and display it as a entity reference.
Chris@0:     $edit = [
Chris@0:       'id' => 'node_test_view',
Chris@0:       'label' => 'Node Test View',
Chris@0:       'show[wizard_key]' => 'node',
Chris@0:       'show[sort]' => 'none',
Chris@0:       'page[create]' => 1,
Chris@0:       'page[title]' => 'Test Node View',
Chris@0:       'page[path]' => 'test/node/view',
Chris@0:       'page[style][style_plugin]' => 'default',
Chris@0:       'page[style][row_plugin]' => 'fields',
Chris@0:     ];
Chris@0:     $this->drupalPostForm('admin/structure/views/add', $edit, t('Save and edit'));
Chris@0:     $this->drupalPostForm(NULL, [], t('Duplicate as Entity Reference'));
Chris@0:     $this->clickLink(t('Settings'));
Chris@0:     $edit = [
Chris@0:       'style_options[search_fields][title]' => 'title',
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Apply'));
Chris@0: 
Chris@0:     // Set sort to NID ascending.
Chris@0:     $edit = [
Chris@0:       'name[node_field_data.nid]' => 1,
Chris@0:     ];
Chris@0:     $this->drupalPostForm('admin/structure/views/nojs/add-handler/node_test_view/entity_reference_1/sort', $edit, t('Add and configure sort criteria'));
Chris@0:     $this->drupalPostForm(NULL, NULL, t('Apply'));
Chris@0: 
Chris@0:     $this->drupalPostForm('admin/structure/views/view/node_test_view/edit/entity_reference_1', [], t('Save'));
Chris@0:     $this->clickLink(t('Settings'));
Chris@0: 
Chris@0:     // Create a test entity reference field.
Chris@0:     $field_name = 'test_entity_ref_field';
Chris@0:     $edit = [
Chris@0:       'new_storage_type' => 'field_ui:entity_reference:node',
Chris@0:       'label' => 'Test Entity Reference Field',
Chris@0:       'field_name' => $field_name,
Chris@0:     ];
Chris@0:     $this->drupalPostForm($bundle_path . '/fields/add-field', $edit, t('Save and continue'));
Chris@0: 
Chris@0:     // Set to unlimited.
Chris@0:     $edit = [
Chris@0:       'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save field settings'));
Chris@0: 
Chris@0:     // Add the view to the test field.
Chris@0:     $edit = [
Chris@0:       'settings[handler]' => 'views',
Chris@0:     ];
Chris@0:     $this->drupalPostAjaxForm(NULL, $edit, 'settings[handler]');
Chris@0:     $edit = [
Chris@0:       'required' => FALSE,
Chris@0:       'settings[handler_settings][view][view_and_display]' => 'node_test_view:entity_reference_1',
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0: 
Chris@0:     // Create nodes.
Chris@0:     $node1 = Node::create([
Chris@0:       'type' => $this->type,
Chris@0:       'title' => 'Foo Node',
Chris@0:     ]);
Chris@0:     $node1->save();
Chris@0:     $node2 = Node::create([
Chris@0:       'type' => $this->type,
Chris@0:       'title' => 'Foo Node',
Chris@0:     ]);
Chris@0:     $node2->save();
Chris@0: 
Chris@0:     // Try to add a new node and fill the entity reference field.
Chris@0:     $this->drupalGet('node/add/' . $this->type);
Chris@0:     $result = $this->xpath('//input[@name="field_test_entity_ref_field[0][target_id]" and contains(@data-autocomplete-path, "/entity_reference_autocomplete/node/views/")]');
Chris@0:     $target_url = $this->getAbsoluteUrl($result[0]['data-autocomplete-path']);
Chris@0:     $this->drupalGet($target_url, ['query' => ['q' => 'Foo']]);
Chris@0:     $this->assertRaw($node1->getTitle() . ' (' . $node1->id() . ')');
Chris@0:     $this->assertRaw($node2->getTitle() . ' (' . $node2->id() . ')');
Chris@0: 
Chris@0:     // Try to add a new node, fill the entity reference field and submit the
Chris@0:     // form.
Chris@0:     $this->drupalPostForm('node/add/' . $this->type, [], t('Add another item'));
Chris@0:     $edit = [
Chris@0:       'title[0][value]' => 'Example',
Chris@0:       'field_test_entity_ref_field[0][target_id]' => 'Foo Node (' . $node1->id() . ')',
Chris@0:       'field_test_entity_ref_field[1][target_id]' => 'Foo Node (' . $node2->id() . ')',
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     $this->assertResponse(200);
Chris@0: 
Chris@0:     $edit = [
Chris@0:       'title[0][value]' => 'Example',
Chris@0:       'field_test_entity_ref_field[0][target_id]' => 'Test'
Chris@0:     ];
Chris@0:     $this->drupalPostForm('node/add/' . $this->type, $edit, t('Save'));
Chris@0: 
Chris@0:     // Assert that entity reference autocomplete field is validated.
Chris@0:     $this->assertText(t('There are no entities matching "@entity"', ['@entity' => 'Test']));
Chris@0: 
Chris@0:     $edit = [
Chris@0:       'title[0][value]' => 'Test',
Chris@0:       'field_test_entity_ref_field[0][target_id]' => $node1->getTitle()
Chris@0:     ];
Chris@0:     $this->drupalPostForm('node/add/' . $this->type, $edit, t('Save'));
Chris@0: 
Chris@0:     // Assert the results multiple times to avoid sorting problem of nodes with
Chris@0:     // the same title.
Chris@0:     $this->assertText(t('Multiple entities match this reference;'));
Chris@0:     $this->assertText(t("@node1", ['@node1' => $node1->getTitle() . ' (' . $node1->id() . ')']));
Chris@0:     $this->assertText(t("@node2", ['@node2' => $node2->getTitle() . ' (' . $node2->id() . ')']));
Chris@0:     $this->assertText(t('Specify the one you want by appending the id in parentheses, like "@example".', ['@example' => $node2->getTitle() . ' (' . $node2->id() . ')']));
Chris@0: 
Chris@0:     $edit = [
Chris@0:       'title[0][value]' => 'Test',
Chris@0:       'field_test_entity_ref_field[0][target_id]' => $node1->getTitle() . ' (' . $node1->id() . ')'
Chris@0:     ];
Chris@0:     $this->drupalPostForm('node/add/' . $this->type, $edit, t('Save'));
Chris@0:     $this->assertLink($node1->getTitle());
Chris@0: 
Chris@0:     // Tests adding default values to autocomplete widgets.
Chris@0:     Vocabulary::create(['vid' => 'tags', 'name' => 'tags'])->save();
Chris@0:     $taxonomy_term_field_name = $this->createEntityReferenceField('taxonomy_term', ['tags']);
Chris@0:     $field_path = 'node.' . $this->type . '.field_' . $taxonomy_term_field_name;
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_path . '/storage');
Chris@0:     $edit = [
Chris@0:       'cardinality' => -1,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save field settings'));
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_path);
Chris@0:     $term_name = $this->randomString();
Chris@0:     $edit = [
Chris@0:       // This must be set before new entities will be auto-created.
Chris@0:       'settings[handler_settings][auto_create]' => 1,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0:     $this->drupalGet($bundle_path . '/fields/' . $field_path);
Chris@0:     $edit = [
Chris@0:       // A term that doesn't yet exist.
Chris@0:       'default_value_input[field_' . $taxonomy_term_field_name . '][0][target_id]' => $term_name,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0:     // The term should now exist.
Chris@0:     $term = taxonomy_term_load_multiple_by_name($term_name, 'tags')[1];
Chris@0:     $this->assertIdentical(1, count($term), 'Taxonomy term was auto created when set as field default.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests the formatters for the Entity References.
Chris@0:    */
Chris@0:   public function testAvailableFormatters() {
Chris@0:     // Create a new vocabulary.
Chris@0:     Vocabulary::create(['vid' => 'tags', 'name' => 'tags'])->save();
Chris@0: 
Chris@0:     // Create entity reference field with taxonomy term as a target.
Chris@0:     $taxonomy_term_field_name = $this->createEntityReferenceField('taxonomy_term', ['tags']);
Chris@0: 
Chris@0:     // Create entity reference field with user as a target.
Chris@0:     $user_field_name = $this->createEntityReferenceField('user');
Chris@0: 
Chris@0:     // Create entity reference field with node as a target.
Chris@0:     $node_field_name = $this->createEntityReferenceField('node', [$this->type]);
Chris@0: 
Chris@0:     // Create entity reference field with date format as a target.
Chris@0:     $date_format_field_name = $this->createEntityReferenceField('date_format');
Chris@0: 
Chris@0:     // Display all newly created Entity Reference configuration.
Chris@0:     $this->drupalGet('admin/structure/types/manage/' . $this->type . '/display');
Chris@0: 
Chris@0:     // Check for Taxonomy Term select box values.
Chris@0:     // Test if Taxonomy Term Entity Reference Field has the correct formatters.
Chris@0:     $this->assertFieldSelectOptions('fields[field_' . $taxonomy_term_field_name . '][type]', [
Chris@0:       'entity_reference_label',
Chris@0:       'entity_reference_entity_id',
Chris@0:       'entity_reference_rss_category',
Chris@0:       'entity_reference_entity_view',
Chris@0:     ]);
Chris@0: 
Chris@0:     // Test if User Reference Field has the correct formatters.
Chris@0:     // Author should be available for this field.
Chris@0:     // RSS Category should not be available for this field.
Chris@0:     $this->assertFieldSelectOptions('fields[field_' . $user_field_name . '][type]', [
Chris@0:       'author',
Chris@0:       'entity_reference_entity_id',
Chris@0:       'entity_reference_entity_view',
Chris@0:       'entity_reference_label',
Chris@0:     ]);
Chris@0: 
Chris@0:     // Test if Node Entity Reference Field has the correct formatters.
Chris@0:     // RSS Category should not be available for this field.
Chris@0:     $this->assertFieldSelectOptions('fields[field_' . $node_field_name . '][type]', [
Chris@0:       'entity_reference_label',
Chris@0:       'entity_reference_entity_id',
Chris@0:       'entity_reference_entity_view',
Chris@0:     ]);
Chris@0: 
Chris@0:     // Test if Date Format Reference Field has the correct formatters.
Chris@0:     // RSS Category & Entity View should not be available for this field.
Chris@0:     // This could be any field without a ViewBuilder.
Chris@0:     $this->assertFieldSelectOptions('fields[field_' . $date_format_field_name . '][type]', [
Chris@0:       'entity_reference_label',
Chris@0:       'entity_reference_entity_id',
Chris@0:     ]);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests field settings for an entity reference field when the field has
Chris@0:    * multiple target bundles and is set to auto-create the target entity.
Chris@0:    */
Chris@0:   public function testMultipleTargetBundles() {
Chris@0:     /** @var \Drupal\taxonomy\Entity\Vocabulary[] $vocabularies */
Chris@0:     $vocabularies = [];
Chris@0:     for ($i = 0; $i < 2; $i++) {
Chris@0:       $vid = Unicode::strtolower($this->randomMachineName());
Chris@0:       $vocabularies[$i] = Vocabulary::create([
Chris@0:         'name' => $this->randomString(),
Chris@0:         'vid' => $vid,
Chris@0:       ]);
Chris@0:       $vocabularies[$i]->save();
Chris@0:     }
Chris@0: 
Chris@0:     // Create a new field pointing to the first vocabulary.
Chris@0:     $field_name = $this->createEntityReferenceField('taxonomy_term', [$vocabularies[0]->id()]);
Chris@0:     $field_name = "field_$field_name";
Chris@0:     $field_id = 'node.' . $this->type . '.' . $field_name;
Chris@0:     $path = 'admin/structure/types/manage/' . $this->type . '/fields/' . $field_id;
Chris@0: 
Chris@0:     $this->drupalGet($path);
Chris@0: 
Chris@0:     // Expect that there's no 'auto_create_bundle' selected.
Chris@0:     $this->assertNoFieldByName('settings[handler_settings][auto_create_bundle]');
Chris@0: 
Chris@0:     $edit = [
Chris@0:       'settings[handler_settings][target_bundles][' . $vocabularies[1]->id() . ']' => TRUE,
Chris@0:     ];
Chris@0:     // Enable the second vocabulary as a target bundle.
Chris@0:     $this->drupalPostAjaxForm($path, $edit, key($edit));
Chris@0:     // Expect a select element with the two vocabularies as options.
Chris@0:     $this->assertFieldByXPath("//select[@name='settings[handler_settings][auto_create_bundle]']/option[@value='" . $vocabularies[0]->id() . "']");
Chris@0:     $this->assertFieldByXPath("//select[@name='settings[handler_settings][auto_create_bundle]']/option[@value='" . $vocabularies[1]->id() . "']");
Chris@0: 
Chris@0:     $edit = [
Chris@0:       'settings[handler_settings][auto_create]' => TRUE,
Chris@0:       'settings[handler_settings][auto_create_bundle]' => $vocabularies[1]->id(),
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save settings'));
Chris@0: 
Chris@0:     /** @var \Drupal\field\Entity\FieldConfig $field_config */
Chris@0:     $field_config = FieldConfig::load($field_id);
Chris@0:     // Expect that the target bundle has been saved in the backend.
Chris@0:     $this->assertEqual($field_config->getSetting('handler_settings')['auto_create_bundle'], $vocabularies[1]->id());
Chris@0: 
Chris@0:     // Delete the other bundle. Field config should not be affected.
Chris@0:     $vocabularies[0]->delete();
Chris@0:     $field_config = FieldConfig::load($field_id);
Chris@0:     $this->assertTrue($field_config->getSetting('handler_settings')['auto_create']);
Chris@0:     $this->assertIdentical($field_config->getSetting('handler_settings')['auto_create_bundle'], $vocabularies[1]->id());
Chris@0: 
Chris@0:     // Delete the bundle set for entity auto-creation. Auto-created settings
Chris@0:     // should be reset (no auto-creation).
Chris@0:     $vocabularies[1]->delete();
Chris@0:     $field_config = FieldConfig::load($field_id);
Chris@0:     $this->assertFalse($field_config->getSetting('handler_settings')['auto_create']);
Chris@0:     $this->assertFalse(isset($field_config->getSetting('handler_settings')['auto_create_bundle']));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Creates a new Entity Reference fields with a given target type.
Chris@0:    *
Chris@0:    * @param string $target_type
Chris@0:    *   The name of the target type
Chris@0:    * @param string[] $bundles
Chris@0:    *   A list of bundle IDs. Defaults to [].
Chris@0:    *
Chris@0:    * @return string
Chris@0:    *   Returns the generated field name
Chris@0:    */
Chris@0:   protected function createEntityReferenceField($target_type, $bundles = []) {
Chris@0:     // Generates a bundle path for the newly created content type.
Chris@0:     $bundle_path = 'admin/structure/types/manage/' . $this->type;
Chris@0: 
Chris@0:     // Generate a random field name, must be only lowercase characters.
Chris@0:     $field_name = strtolower($this->randomMachineName());
Chris@0: 
Chris@0:     $storage_edit = $field_edit = [];
Chris@0:     $storage_edit['settings[target_type]'] = $target_type;
Chris@0:     foreach ($bundles as $bundle) {
Chris@0:       $field_edit['settings[handler_settings][target_bundles][' . $bundle . ']'] = TRUE;
Chris@0:     }
Chris@0: 
Chris@0:     $this->fieldUIAddNewField($bundle_path, $field_name, NULL, 'entity_reference', $storage_edit, $field_edit);
Chris@0: 
Chris@0:     // Returns the generated field name.
Chris@0:     return $field_name;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Checks if a select element contains the specified options.
Chris@0:    *
Chris@0:    * @param string $name
Chris@0:    *   The field name.
Chris@0:    * @param array $expected_options
Chris@0:    *   An array of expected options.
Chris@0:    *
Chris@0:    * @return bool
Chris@0:    *   TRUE if the assertion succeeded, FALSE otherwise.
Chris@0:    */
Chris@0:   protected function assertFieldSelectOptions($name, array $expected_options) {
Chris@0:     $xpath = $this->buildXPathQuery('//select[@name=:name]', [':name' => $name]);
Chris@0:     $fields = $this->xpath($xpath);
Chris@0:     if ($fields) {
Chris@0:       $field = $fields[0];
Chris@0:       $options = $this->getAllOptionsList($field);
Chris@0: 
Chris@0:       sort($options);
Chris@0:       sort($expected_options);
Chris@0: 
Chris@0:       return $this->assertIdentical($options, $expected_options);
Chris@0:     }
Chris@0:     else {
Chris@0:       return $this->fail('Unable to find field ' . $name);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Extracts all options from a select element.
Chris@0:    *
Chris@0:    * @param \SimpleXMLElement $element
Chris@0:    *   The select element field information.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array of option values as strings.
Chris@0:    */
Chris@0:   protected function getAllOptionsList(\SimpleXMLElement $element) {
Chris@0:     $options = [];
Chris@0:     // Add all options items.
Chris@0:     foreach ($element->option as $option) {
Chris@0:       $options[] = (string) $option['value'];
Chris@0:     }
Chris@0: 
Chris@0:     // Loops trough all the option groups
Chris@0:     foreach ($element->optgroup as $optgroup) {
Chris@0:       $options = array_merge($this->getAllOptionsList($optgroup), $options);
Chris@0:     }
Chris@0: 
Chris@0:     return $options;
Chris@0:   }
Chris@0: 
Chris@0: }