/core/modules/file/src/Tests/PrivateFileOnTranslatedEntityTest.php

<?php

namespace Drupal\file\Tests;

use Drupal\file\Entity\File;
use Drupal\node\Entity\Node;

/**
 * Uploads private files to translated node and checks access.
 *
 * @group file
 */
class PrivateFileOnTranslatedEntityTest extends FileFieldTestBase {

  /**
   * {@inheritdoc}
   */
  public static $modules = array('language', 'content_translation');

  /**
   * The name of the file field used in the test.
   *
   * @var string
   */
  protected $fieldName;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();

    // Create the "Basic page" node type.
    $this->drupalCreateContentType(array('type' => 'page', 'name' => 'Basic page'));

    // Create a file field on the "Basic page" node type.
    $this->fieldName = strtolower($this->randomMachineName());
    $this->createFileField($this->fieldName, 'node', 'page', array('uri_scheme' => 'private'));

    // Create and log in user.
    $permissions = array(
      'access administration pages',
      'administer content translation',
      'administer content types',
      'administer languages',
      'create content translations',
      'create page content',
      'edit any page content',
      'translate any entity',
    );
    $admin_user = $this->drupalCreateUser($permissions);
    $this->drupalLogin($admin_user);

    // Add a second language.
    $edit = array();
    $edit['predefined_langcode'] = 'fr';
    $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));

    // Enable translation for "Basic page" nodes.
    $edit = array(
      'entity_types[node]' => 1,
      'settings[node][page][translatable]' => 1,
      "settings[node][page][fields][$this->fieldName]" => 1,
    );
    $this->drupalPostForm('admin/config/regional/content-language', $edit, t('Save configuration'));
    \Drupal::entityManager()->clearCachedDefinitions();
  }

  /**
   * Tests private file fields on translated nodes.
   */
  public function testPrivateLanguageFile() {
    // 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(array('type' => 'page'));

    // Edit the node to upload a file.
    $edit = array();
    $name = 'files[' . $this->fieldName . '_0]';
    $edit[$name] = drupal_realpath($this->drupalGetTestFiles('text')[0]->uri);
    $this->drupalPostForm('node/' . $default_language_node->id() . '/edit', $edit, t('Save'));
    $last_fid_prior = $this->getLastFileId();

    // Languages are cached on many levels, and we need to clear those caches.
    $this->rebuildContainer();

    // Ensure the file can be downloaded.
    \Drupal::entityManager()->getStorage('node')->resetCache(array($default_language_node->id()));
    $node = Node::load($default_language_node->id());
    $node_file = File::load($node->{$this->fieldName}->target_id);
    $this->drupalGet(file_create_url($node_file->getFileUri()));
    $this->assertResponse(200, 'Confirmed that the file attached to the English node can be downloaded.');

    // Translate the node into French.
    $this->drupalGet('node/' . $default_language_node->id() . '/translations');
    $this->clickLink(t('Add'));

    // Remove the existing file.
    $this->drupalPostForm(NULL, array(), t('Remove'));

    // Upload a different file.
    $edit = array();
    $edit['title[0][value]'] = $this->randomMachineName();
    $name = 'files[' . $this->fieldName . '_0]';
    $edit[$name] = drupal_realpath($this->drupalGetTestFiles('text')[1]->uri);
    $this->drupalPostForm(NULL, $edit, t('Save (this translation)'));
    $last_fid = $this->getLastFileId();

    // Verify the translation was created.
    \Drupal::entityManager()->getStorage('node')->resetCache(array($default_language_node->id()));
    $default_language_node = Node::load($default_language_node->id());
    $this->assertTrue($default_language_node->hasTranslation('fr'), 'Node found in database.');
    $this->assertTrue($last_fid > $last_fid_prior, 'New file got saved.');

    // Ensure the file attached to the translated node can be downloaded.
    $french_node = $default_language_node->getTranslation('fr');
    $node_file = File::load($french_node->{$this->fieldName}->target_id);
    $this->drupalGet(file_create_url($node_file->getFileUri()));
    $this->assertResponse(200, 'Confirmed that the file attached to the French node can be downloaded.');
  }

}