public function DirectoryTest::testFileCreateNewFilepath in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/File/DirectoryTest.php \Drupal\KernelTests\Core\File\DirectoryTest::testFileCreateNewFilepath()
2. 10 core/tests/Drupal/KernelTests/Core/File/DirectoryTest.php \Drupal\KernelTests\Core\File\DirectoryTest::testFileCreateNewFilepath()

This will take a directory and path, and find a valid filepath that is not taken by another file.

File

core/tests/Drupal/KernelTests/Core/File/DirectoryTest.php, line 119

Class

DirectoryTest

Tests operations dealing with directories.

Namespace

Drupal\KernelTests\Core\File

Code

public function testFileCreateNewFilepath() {

  // First we test against an imaginary file that does not exist in a
  // directory.
  $basename = 'xyz.txt';
  $directory = 'core/misc';
  $original = $directory . '/' . $basename;

  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
  $file_system = \Drupal::service('file_system');
  $path = $file_system
    ->createFilename($basename, $directory);
  $this
    ->assertEquals($original, $path, new FormattableMarkup('New filepath %new equals %original.', [
    '%new' => $path,
    '%original' => $original,
  ]));

  // Then we test against a file that already exists within that directory.
  $basename = 'druplicon.png';
  $original = $directory . '/' . $basename;
  $expected = $directory . '/druplicon_0.png';
  $path = $file_system
    ->createFilename($basename, $directory);
  $this
    ->assertEquals($expected, $path, new FormattableMarkup('Creating a new filepath from %original equals %new (expected %expected).', [
    '%new' => $path,
    '%original' => $original,
    '%expected' => $expected,
  ]));

  // @TODO: Finally we copy a file into a directory several times, to ensure a properly iterating filename suffix.
}