RetrieveFileTest.php

<?php

/**
 * @file
 * Definition of Drupal\system\Tests\System\RetrieveFileTest.
 */
namespace Drupal\system\Tests\System;

use Drupal\simpletest\WebTestBase;

/**
 * Test HTTP file downloading capability.
 */
class RetrieveFileTest extends WebTestBase {
  public static function getInfo() {
    return array(
      'name' => 'HTTP file retrieval',
      'description' => 'Checks HTTP file fetching and error handling.',
      'group' => 'System',
    );
  }

  /**
   * Invokes system_retrieve_file() in several scenarios.
   */
  function testFileRetrieving() {

    // Test 404 handling by trying to fetch a randomly named file.
    drupal_mkdir($sourcedir = 'public://' . $this
      ->randomName());
    $filename = 'Файл для тестирования ' . $this
      ->randomName();
    $url = file_create_url($sourcedir . '/' . $filename);
    $retrieved_file = system_retrieve_file($url);
    $this
      ->assertFalse($retrieved_file, 'Non-existent file not fetched.');

    // Actually create that file, download it via HTTP and test the returned path.
    file_put_contents($sourcedir . '/' . $filename, 'testing');
    $retrieved_file = system_retrieve_file($url);

    // URLs could not contains characters outside the ASCII set so $filename
    // has to be encoded.
    $encoded_filename = rawurlencode($filename);
    $this
      ->assertEqual($retrieved_file, 'public://' . $encoded_filename, 'Sane path for downloaded file returned (public:// scheme).');
    $this
      ->assertTrue(is_file($retrieved_file), 'Downloaded file does exist (public:// scheme).');
    $this
      ->assertEqual(filesize($retrieved_file), 7, 'File size of downloaded file is correct (public:// scheme).');
    file_unmanaged_delete($retrieved_file);

    // Test downloading file to a different location.
    drupal_mkdir($targetdir = 'temporary://' . $this
      ->randomName());
    $retrieved_file = system_retrieve_file($url, $targetdir);
    $this
      ->assertEqual($retrieved_file, "{$targetdir}/{$encoded_filename}", 'Sane path for downloaded file returned (temporary:// scheme).');
    $this
      ->assertTrue(is_file($retrieved_file), 'Downloaded file does exist (temporary:// scheme).');
    $this
      ->assertEqual(filesize($retrieved_file), 7, 'File size of downloaded file is correct (temporary:// scheme).');
    file_unmanaged_delete($retrieved_file);
    file_unmanaged_delete_recursive($sourcedir);
    file_unmanaged_delete_recursive($targetdir);
  }

}