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