function RetrieveFileTest::testFileRetrieving

Invokes system_retrieve_file() in several scenarios.

File

core/modules/system/tests/src/Functional/System/RetrieveFileTest.php, line 25

Class

RetrieveFileTest

Tests HTTP file fetching and error handling.

Namespace

Code

public function testFileRetrieving() : void {
  // Test 404 handling by trying to fetch a randomly named file.
  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
  $file_system = \Drupal::service('file_system');
  $file_system->mkdir($source_dir = 'public://' . $this->randomMachineName());
  // cSpell:disable-next-line
  $filename = 'Файл для тестирования ' . $this->randomMachineName();
  $url = \Drupal::service('file_url_generator')->generateAbsoluteString($source_dir . '/' . $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($source_dir . '/' . $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->assertEquals('public://' . $encoded_filename, $retrieved_file, 'Sane path for downloaded file returned (public:// scheme).');
  $this->assertFileExists($retrieved_file);
  $this->assertEquals(7, filesize($retrieved_file), 'File size of downloaded file is correct (public:// scheme).');
  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
  $file_system = \Drupal::service('file_system');
  $file_system->delete($retrieved_file);
  // Test downloading file to a different location.
  $file_system->mkdir($target_dir = 'temporary://' . $this->randomMachineName());
  $retrieved_file = system_retrieve_file($url, $target_dir);
  $this->assertEquals("{$target_dir}/{$encoded_filename}", $retrieved_file, 'Sane path for downloaded file returned (temporary:// scheme).');
  $this->assertFileExists($retrieved_file);
  $this->assertEquals(7, filesize($retrieved_file), 'File size of downloaded file is correct (temporary:// scheme).');
  $file_system->delete($retrieved_file);
  $file_system->deleteRecursive($source_dir);
  $file_system->deleteRecursive($target_dir);
}