class CoalescingDirectoryResourceTest

class CoalescingDirectoryResourceTest extends \PHPUnit_Framework_TestCase {

  /**
   * @test
   */
  public function shouldFilterFiles() {

    // notice only one directory has a trailing slash
    $resource = new CoalescingDirectoryResource(array(
      new DirectoryResource(__DIR__ . '/Fixtures/dir1/', '/\\.txt$/'),
      new DirectoryResource(__DIR__ . '/Fixtures/dir2', '/\\.txt$/'),
    ));
    $paths = array();
    foreach ($resource as $file) {
      $paths[] = realpath((string) $file);
    }
    sort($paths);
    $this
      ->assertEquals(array(
      realpath(__DIR__ . '/Fixtures/dir1/file1.txt'),
      realpath(__DIR__ . '/Fixtures/dir1/file2.txt'),
      realpath(__DIR__ . '/Fixtures/dir2/file3.txt'),
    ), $paths, 'files from multiple directories are merged');
  }

}