public function RetrieveFileTest::testFileRetrieving in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Functional/System/RetrieveFileTest.php \Drupal\Tests\system\Functional\System\RetrieveFileTest::testFileRetrieving()

Invokes system_retrieve_file() in several scenarios.

File

core/modules/system/tests/src/Functional/System/RetrieveFileTest.php, line 22

Class

RetrieveFileTest

Tests HTTP file fetching and error handling.

Namespace

Drupal\Tests\system\Functional\System

Code

public function testFileRetrieving() {

  // Test 404 handling by trying to fetch a randomly named file.

  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
  $file_system = \Drupal::service('file_system');
  $file_system
    ->mkdir($sourcedir = 'public://' . $this
    ->randomMachineName());

  // cSpell:disable-next-line
  $filename = 'Файл для тестирования ' . $this
    ->randomMachineName();
  $url = \Drupal::service('file_url_generator')
    ->generateAbsoluteString($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
    ->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.
  $file_system
    ->mkdir($targetdir = 'temporary://' . $this
    ->randomMachineName());
  $retrieved_file = system_retrieve_file($url, $targetdir);
  $this
    ->assertEquals("{$targetdir}/{$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);
  $file_system
    ->deleteRecursive($sourcedir);
  $file_system
    ->deleteRecursive($targetdir);
}