Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

core/modules/content_translation/src/ContentTranslationHandler.php

@@ -479,6 +479,13 @@ class ContentTranslationHandler implements ContentTranslationHandlerInterface, E
     if (isset($form['actions']['delete'])) {
       $form['actions']['delete']['#submit'][] = array($this, 'entityFormDelete');
     }
+
+    // Handle entity form submission before the entity has been saved.
+    foreach (Element::children($form['actions']) as $action) {
+      if (isset($form['actions'][$action]['#type']) && $form['actions'][$action]['#type'] == 'submit') {
+        array_unshift($form['actions'][$action]['#submit'], [$this, 'entityFormSubmit']);
+      }
+    }
   }
 
   /**
@@ -579,7 +586,6 @@ class ContentTranslationHandler implements ContentTranslationHandlerInterface, E
     $metadata->setAuthor(!empty($values['uid']) ? User::load($values['uid']) : User::load(0));
     $metadata->setPublished(!empty($values['status']));
     $metadata->setCreatedTime(!empty($values['created']) ? strtotime($values['created']) : REQUEST_TIME);
-    $metadata->setChangedTime(REQUEST_TIME);
 
     $source_langcode = $this->getSourceLangcode($form_state);
     if ($source_langcode) {
@@ -611,6 +617,30 @@ class ContentTranslationHandler implements ContentTranslationHandlerInterface, E
     }
   }
 
+  /**
+   * Form submission handler for ContentTranslationHandler::entityFormAlter().
+   *
+   * Updates metadata fields, which should be updated only after the validation
+   * has run and before the entity is saved.
+   */
+  function entityFormSubmit($form, FormStateInterface $form_state) {
+    /** @var \Drupal\Core\Entity\ContentEntityFormInterface $form_object */
+    $form_object = $form_state->getFormObject();
+    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
+    $entity = $form_object->getEntity();
+
+    // ContentEntityForm::submit will update the changed timestamp on submit
+    // after the entity has been validated, so that it does not break the
+    // EntityChanged constraint validator. The content translation metadata
+    // field for the changed timestamp  does not have such a constraint defined
+    // at the moment, but it is correct to update it's value in a submission
+    // handler as well and have the same logic like in the Form API.
+    if ($entity->hasField('content_translation_changed')) {
+      $metadata = $this->manager->getTranslationMetadata($entity);
+      $metadata->setChangedTime(REQUEST_TIME);
+    }
+  }
+
   /**
    * Form submission handler for ContentTranslationHandler::entityFormAlter().
    *

core/modules/content_translation/src/Tests/ContentTestTranslationUITest.php

@@ -31,6 +31,7 @@ class ContentTestTranslationUITest extends ContentTranslationUITestBase {
    */
   protected $defaultCacheContexts = [
     'languages:language_interface',
+    'session',
     'theme',
     'url.path',
     'url.query_args',

core/modules/content_translation/src/Tests/ContentTranslationConfigImportTest.php

@@ -39,11 +39,11 @@ class ContentTranslationConfigImportTest extends KernelTestBase {
     parent::setUp();
 
     $this->installEntitySchema('entity_test_mul');
-    $this->copyConfig($this->container->get('config.storage'), $this->container->get('config.storage.staging'));
+    $this->copyConfig($this->container->get('config.storage'), $this->container->get('config.storage.sync'));
 
     // Set up the ConfigImporter object for testing.
     $storage_comparer = new StorageComparer(
-      $this->container->get('config.storage.staging'),
+      $this->container->get('config.storage.sync'),
       $this->container->get('config.storage'),
       $this->container->get('config.manager')
     );
@@ -68,7 +68,7 @@ class ContentTranslationConfigImportTest extends KernelTestBase {
     $config_id = $entity_type_id . '.' . $entity_type_id;
     $config_name = 'language.content_settings.' . $config_id;
     $storage = $this->container->get('config.storage');
-    $staging = $this->container->get('config.storage.staging');
+    $sync = $this->container->get('config.storage.sync');
 
     // Verify the configuration to create does not exist yet.
     $this->assertIdentical($storage->exists($config_name), FALSE, $config_name . ' not found.');
@@ -90,8 +90,8 @@ class ContentTranslationConfigImportTest extends KernelTestBase {
         'content_translation' => array('enabled' => TRUE),
       ),
     );
-    $staging->write($config_name, $data);
-    $this->assertIdentical($staging->exists($config_name), TRUE, $config_name . ' found.');
+    $sync->write($config_name, $data);
+    $this->assertIdentical($sync->exists($config_name), TRUE, $config_name . ' found.');
 
     // Import.
     $this->configImporter->reset()->import();

core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php

@@ -217,6 +217,11 @@ class ContentTranslationSettingsTest extends WebTestBase {
     $this->drupalPostForm('admin/config/people/accounts', $edit, t('Save configuration'));
     $this->drupalGet('admin/config/people/accounts');
     $this->assertFieldChecked('edit-language-content-translation');
+
+    // Make sure account settings can be saved.
+    $this->drupalPostForm('admin/config/people/accounts', array('anonymous' => 'Save me please!'), 'Save configuration');
+    $this->assertFieldByName('anonymous', 'Save me please!', 'Anonymous name has been changed.');
+    $this->assertText('The configuration options have been saved.');
   }
 
   /**

core/modules/content_translation/src/Tests/ContentTranslationStandardFieldsTest.php

@@ -77,4 +77,13 @@ class ContentTranslationStandardFieldsTest extends WebTestBase {
     $this->assertFieldByXPath("//input[@id='edit-settings-user-user-fields-user-picture' and @checked='checked']");
   }
 
+  /**
+   * Test that revision_log is not translatable.
+   */
+  public function testRevisionLogNotTranslatable() {
+    $path = 'admin/config/regional/content-language';
+    $this->drupalGet($path);
+    $this->assertNoFieldByXPath("//input[@id='edit-settings-node-article-fields-revision-log']");
+  }
+
 }

core/modules/content_translation/src/Tests/ContentTranslationSyncImageTest.php

@@ -160,7 +160,7 @@ class ContentTranslationSyncImageTest extends ContentTranslationTestBase {
     // items will be one less than the original values to check that only the
     // translated ones will be preserved. In fact we want the same fids and
     // items order for both languages.
-    $translation = $entity->getTranslation($langcode);
+    $translation = $entity->addTranslation($langcode);
     for ($delta = 0; $delta < $this->cardinality - 1; $delta++) {
       // Simulate a field reordering: items are shifted of one position ahead.
       // The modulo operator ensures we start from the beginning after reaching

core/modules/content_translation/src/Tests/ContentTranslationUITestBase.php

@@ -65,6 +65,7 @@ abstract class ContentTranslationUITestBase extends ContentTranslationTestBase {
     $this->doTestAuthoringInfo();
     $this->doTestTranslationEdit();
     $this->doTestTranslationChanged();
+    $this->doTestChangedTimeAfterSaveWithoutChanges();
     $this->doTestTranslationDeletion();
   }
 
@@ -316,7 +317,7 @@ abstract class ContentTranslationUITestBase extends ContentTranslationTestBase {
       'content_translation[created]' => '19/11/1978',
     );
     $this->drupalPostForm($entity->urlInfo('edit-form'), $edit, $this->getFormSubmitAction($entity, $langcode));
-    $this->assertTrue($this->xpath('//div[contains(concat(" ", normalize-space(@class), " "), :class)]', array(':class' => ' messages--error ')), 'Invalid values generate a form error message.');
+    $this->assertTrue($this->xpath('//div[contains(@class, "error")]//ul'), 'Invalid values generate a list of form errors.');
     $metadata = $this->manager->getTranslationMetadata($entity->getTranslation($langcode));
     $this->assertEqual($metadata->getAuthor()->id(), $values[$langcode]['uid'], 'Translation author correctly kept.');
     $this->assertEqual($metadata->getCreatedTime(), $values[$langcode]['created'], 'Translation date correctly kept.');
@@ -546,4 +547,30 @@ abstract class ContentTranslationUITestBase extends ContentTranslationTestBase {
     }
   }
 
+  /**
+   * Test the changed time after API and FORM save without changes.
+   */
+  public function doTestChangedTimeAfterSaveWithoutChanges() {
+    $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
+    // Test only entities, which implement the EntityChangedInterface.
+    if ($entity->getEntityType()->isSubclassOf('Drupal\Core\Entity\EntityChangedInterface')) {
+      $changed_timestamp = $entity->getChangedTime();
+
+      $entity->save();
+      $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
+      $this->assertEqual($changed_timestamp, $entity->getChangedTime(), 'The entity\'s changed time wasn\'t updated after API save without changes.');
+
+      // Ensure different save timestamps.
+      sleep(1);
+
+      // Save the entity on the regular edit form.
+      $language = $entity->language();
+      $edit_path = $entity->urlInfo('edit-form', array('language' => $language));
+      $this->drupalPostForm($edit_path, [], $this->getFormSubmitAction($entity, $language->getId()));
+
+      $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
+      $this->assertNotEqual($changed_timestamp, $entity->getChangedTime(), 'The entity\'s changed time was updated after form save without changes.');
+    }
+  }
+
 }