--- /dev/null
+<?php
+
+namespace Drupal\Tests\file\Functional;
+
+use Drupal\file\Entity\File;
+
+/**
+ * Uploads files to translated nodes.
+ *
+ * @group file
+ */
+class FileOnTranslatedEntityTest extends FileFieldTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['language', 'content_translation'];
+
+ /**
+ * The name of the file field used in the test.
+ *
+ * @var string
+ */
+ protected $fieldName;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ // This test expects unused managed files to be marked as temporary a file.
+ $this->config('file.settings')
+ ->set('make_unused_managed_files_temporary', TRUE)
+ ->save();
+
+ // Create the "Basic page" node type.
+ // @todo Remove the disabling of new revision creation in
+ // https://www.drupal.org/node/1239558.
+ $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page', 'new_revision' => FALSE]);
+
+ // Create a file field on the "Basic page" node type.
+ $this->fieldName = strtolower($this->randomMachineName());
+ $this->createFileField($this->fieldName, 'node', 'page');
+
+ // Create and log in user.
+ $permissions = [
+ 'access administration pages',
+ 'administer content translation',
+ 'administer content types',
+ 'administer languages',
+ 'create content translations',
+ 'create page content',
+ 'edit any page content',
+ 'translate any entity',
+ 'delete any page content',
+ ];
+ $admin_user = $this->drupalCreateUser($permissions);
+ $this->drupalLogin($admin_user);
+
+ // Add a second and third language.
+ $edit = [];
+ $edit['predefined_langcode'] = 'fr';
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+
+ $edit = [];
+ $edit['predefined_langcode'] = 'nl';
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+
+ // Enable translation for "Basic page" nodes.
+ $edit = [
+ 'entity_types[node]' => 1,
+ 'settings[node][page][translatable]' => 1,
+ "settings[node][page][fields][$this->fieldName]" => 1,
+ ];
+ $this->drupalPostForm('admin/config/regional/content-language', $edit, t('Save configuration'));
+ \Drupal::entityManager()->clearCachedDefinitions();
+ }
+
+ /**
+ * Tests synced file fields on translated nodes.
+ */
+ public function testSyncedFiles() {
+ // Verify that the file field on the "Basic page" node type is translatable.
+ $definitions = \Drupal::entityManager()->getFieldDefinitions('node', 'page');
+ $this->assertTrue($definitions[$this->fieldName]->isTranslatable(), 'Node file field is translatable.');
+
+ // Create a default language node.
+ $default_language_node = $this->drupalCreateNode(['type' => 'page', 'title' => 'Lost in translation']);
+
+ // Edit the node to upload a file.
+ $edit = [];
+ $name = 'files[' . $this->fieldName . '_0]';
+ $edit[$name] = \Drupal::service('file_system')->realpath($this->drupalGetTestFiles('text')[0]->uri);
+ $this->drupalPostForm('node/' . $default_language_node->id() . '/edit', $edit, t('Save'));
+ $first_fid = $this->getLastFileId();
+
+ // Translate the node into French: remove the existing file.
+ $this->drupalPostForm('node/' . $default_language_node->id() . '/translations/add/en/fr', [], t('Remove'));
+
+ // Upload a different file.
+ $edit = [];
+ $edit['title[0][value]'] = 'Bill Murray';
+ $name = 'files[' . $this->fieldName . '_0]';
+ $edit[$name] = \Drupal::service('file_system')->realpath($this->drupalGetTestFiles('text')[1]->uri);
+ $this->drupalPostForm(NULL, $edit, t('Save (this translation)'));
+ // This inspects the HTML after the post of the translation, the file
+ // should be displayed on the original node.
+ $this->assertRaw('file--mime-text-plain');
+ $second_fid = $this->getLastFileId();
+
+ \Drupal::entityTypeManager()->getStorage('file')->resetCache();
+
+ /* @var $file \Drupal\file\FileInterface */
+
+ // Ensure the file status of the first file permanent.
+ $file = File::load($first_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Ensure the file status of the second file is permanent.
+ $file = File::load($second_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Translate the node into dutch: remove the existing file.
+ $this->drupalPostForm('node/' . $default_language_node->id() . '/translations/add/en/nl', [], t('Remove'));
+
+ // Upload a different file.
+ $edit = [];
+ $edit['title[0][value]'] = 'Scarlett Johansson';
+ $name = 'files[' . $this->fieldName . '_0]';
+ $edit[$name] = \Drupal::service('file_system')->realpath($this->drupalGetTestFiles('text')[2]->uri);
+ $this->drupalPostForm(NULL, $edit, t('Save (this translation)'));
+ $third_fid = $this->getLastFileId();
+
+ \Drupal::entityTypeManager()->getStorage('file')->resetCache();
+
+ // Ensure the first file is untouched.
+ $file = File::load($first_fid);
+ $this->assertTrue($file->isPermanent(), 'First file still exists and is permanent.');
+ // This inspects the HTML after the post of the translation, the file
+ // should be displayed on the original node.
+ $this->assertRaw('file--mime-text-plain');
+
+ // Ensure the file status of the second file is permanent.
+ $file = File::load($second_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Ensure the file status of the third file is permanent.
+ $file = File::load($third_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Edit the second translation: remove the existing file.
+ $this->drupalPostForm('fr/node/' . $default_language_node->id() . '/edit', [], t('Remove'));
+
+ // Upload a different file.
+ $edit = [];
+ $edit['title[0][value]'] = 'David Bowie';
+ $name = 'files[' . $this->fieldName . '_0]';
+ $edit[$name] = \Drupal::service('file_system')->realpath($this->drupalGetTestFiles('text')[3]->uri);
+ $this->drupalPostForm(NULL, $edit, t('Save (this translation)'));
+ $replaced_second_fid = $this->getLastFileId();
+
+ \Drupal::entityTypeManager()->getStorage('file')->resetCache();
+
+ // Ensure the first and third files are untouched.
+ $file = File::load($first_fid);
+ $this->assertTrue($file->isPermanent(), 'First file still exists and is permanent.');
+
+ $file = File::load($third_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Ensure the file status of the replaced second file is permanent.
+ $file = File::load($replaced_second_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Delete the third translation.
+ $this->drupalPostForm('nl/node/' . $default_language_node->id() . '/delete', [], t('Delete Dutch translation'));
+
+ \Drupal::entityTypeManager()->getStorage('file')->resetCache();
+
+ // Ensure the first and replaced second files are untouched.
+ $file = File::load($first_fid);
+ $this->assertTrue($file->isPermanent(), 'First file still exists and is permanent.');
+
+ $file = File::load($replaced_second_fid);
+ $this->assertTrue($file->isPermanent());
+
+ // Ensure the file status of the third file is now temporary.
+ $file = File::load($third_fid);
+ $this->assertTrue($file->isTemporary());
+
+ // Delete the all translations.
+ $this->drupalPostForm('node/' . $default_language_node->id() . '/delete', [], t('Delete all translations'));
+
+ \Drupal::entityTypeManager()->getStorage('file')->resetCache();
+
+ // Ensure the file status of the all files are now temporary.
+ $file = File::load($first_fid);
+ $this->assertTrue($file->isTemporary(), 'First file still exists and is temporary.');
+
+ $file = File::load($replaced_second_fid);
+ $this->assertTrue($file->isTemporary());
+ }
+
+}