function DirectoryTest::testFileCreateNewFilepath

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

File

drupal/core/modules/system/lib/Drupal/system/Tests/File/DirectoryTest.php, line 70
Definition of Drupal\system\Tests\File\DirectoryTest.

Class

DirectoryTest
Directory related tests.

Namespace

Drupal\system\Tests\File

Code

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;
  $path = file_create_filename($basename, $directory);
  $this
    ->assertEqual($path, $original, format_string('New filepath %new equals %original.', array(
    '%new' => $path,
    '%original' => $original,
  )), 'File');

  // Then we test against a file that already exists within that directory.
  $basename = 'druplicon.png';
  $original = $directory . '/' . $basename;
  $expected = $directory . '/druplicon_0.png';
  $path = file_create_filename($basename, $directory);
  $this
    ->assertEqual($path, $expected, format_string('Creating a new filepath from %original equals %new (expected %expected).', array(
    '%new' => $path,
    '%original' => $original,
    '%expected' => $expected,
  )), 'File');

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