Issue #2864020 by Maouna, amateescu, alexpott: Entity autocomplete displays...

Issue #2864020 by Maouna, amateescu, alexpott: Entity autocomplete displays default value's entity labels only in the default entity language

core/lib/Drupal/Core/Entity/Element/EntityAutocomplete.php

@@ -317,8 +317,14 @@ protected static function matchEntityByTitle(SelectionInterface $handler, $input
    *   A string of entity labels separated by commas.
    */
   public static function getEntityLabels(array $entities) {
+    /** @var \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository */
+    $entity_repository = \Drupal::service('entity.repository');
+
     $entity_labels = [];
     foreach ($entities as $entity) {
+      // Set the entity in the correct language for display.
+      $entity = $entity_repository->getTranslationFromContext($entity);
+
       // Use the special view label, since some entities allow the label to be
       // viewed, even if the entity is not allowed to be viewed.
       $label = ($entity->access('view label')) ? $entity->label() : t('- Restricted access -');

core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldTranslatedReferenceViewTest.php

@@ -106,6 +106,13 @@ class EntityReferenceFieldTranslatedReferenceViewTest extends BrowserTestBase {
    */
   protected $translatedLabel;
 
+  /**
+   * An user with permission to edit the referrer entity.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $webUser;
+
   /**
    * Modules to enable.
    *
@@ -134,6 +141,8 @@ protected function setUp() {
     $this->enableTranslation();
     $this->setUpEntityReferenceField();
     $this->createContent();
+
+    $this->webUser = $this->drupalCreateUser(['edit any ' . $this->referrerType->id() . ' content']);
   }
 
   /**
@@ -143,14 +152,17 @@ public function testEntityReferenceDisplay() {
     // Create a translated referrer entity.
     $this->referrerEntity = $this->createReferrerEntity();
     $this->assertEntityReferenceDisplay();
+    $this->assertEntityReferenceFormDisplay();
 
     // Disable translation for referrer content type.
     $this->drupalLogin($this->rootUser);
     $this->drupalPostForm('admin/config/regional/content-language', ['settings[node][referrer][translatable]' => FALSE], t('Save configuration'));
+    $this->drupalLogout();
 
     // Create a referrer entity without translation.
     $this->referrerEntity = $this->createReferrerEntity(FALSE);
     $this->assertEntityReferenceDisplay();
+    $this->assertEntityReferenceFormDisplay();
   }
 
   /**
@@ -170,6 +182,23 @@ protected function assertEntityReferenceDisplay() {
     $this->assertText($this->translatedLabel, 'The translated label of translated reference is displayed.');
   }
 
+  /**
+   * Assert entity reference form display.
+   */
+  protected function assertEntityReferenceFormDisplay() {
+    $this->drupalLogin($this->webUser);
+    $url = $this->referrerEntity->urlInfo('edit-form');
+    $translation_url = $this->referrerEntity->urlInfo('edit-form', ['language' => ConfigurableLanguage::load($this->translateToLangcode)]);
+
+    $this->drupalGet($url);
+    $this->assertSession()->fieldValueEquals('test_reference_field[0][target_id]', $this->originalLabel . ' (1)');
+    $this->assertSession()->fieldValueEquals('test_reference_field[1][target_id]', $this->labelOfNotTranslatedReference . ' (2)');
+    $this->drupalGet($translation_url);
+    $this->assertSession()->fieldValueEquals('test_reference_field[0][target_id]', $this->translatedLabel . ' (1)');
+    $this->assertSession()->fieldValueEquals('test_reference_field[1][target_id]', $this->labelOfNotTranslatedReference . ' (2)');
+    $this->drupalLogout();
+  }
+
   /**
    * Adds additional languages.
    */