class DirectoryResourceTest

class DirectoryResourceTest extends \PHPUnit_Framework_TestCase {
  public function testIsFresh() {
    $resource = new DirectoryResource(__DIR__);
    $this
      ->assertTrue($resource
      ->isFresh(time() + 5));
    $this
      ->assertFalse($resource
      ->isFresh(0));
  }

  /**
   * @dataProvider getPatterns
   */
  public function testGetContent($pattern) {
    $resource = new DirectoryResource(__DIR__, $pattern);
    $content = $resource
      ->getContent();
    $this
      ->assertInternalType('string', $content);
  }
  public function getPatterns() {
    return array(
      array(
        null,
      ),
      array(
        '/\\.php$/',
      ),
      array(
        '/\\.foo$/',
      ),
    );
  }

  /**
   * @dataProvider getPatternsAndEmpty
   */
  public function testIteration($pattern, $empty) {
    $resource = new DirectoryResource(__DIR__, $pattern);
    $count = 0;
    foreach ($resource as $r) {
      ++$count;
      $this
        ->assertInstanceOf('Assetic\\Factory\\Resource\\ResourceInterface', $r);
    }
    if ($empty) {
      $this
        ->assertEmpty($count);
    }
    else {
      $this
        ->assertNotEmpty($count);
    }
  }
  public function getPatternsAndEmpty() {
    return array(
      array(
        null,
        false,
      ),
      array(
        '/\\.php$/',
        false,
      ),
      array(
        '/\\.foo$/',
        true,
      ),
    );
  }
  public function testRecursiveIteration() {
    $resource = new DirectoryResource(realpath(__DIR__ . '/..'), '/^' . preg_quote(basename(__FILE__)) . '$/');
    $count = 0;
    foreach ($resource as $r) {
      ++$count;
    }
    $this
      ->assertEquals(1, $count);
  }

  /**
   * @dataProvider getPaths
   */
  public function testTrailingSlash($path) {
    $resource = new DirectoryResource($path);
    $this
      ->assertStringEndsWith(DIRECTORY_SEPARATOR, (string) $resource, 'path ends with a slash');
  }
  public function getPaths() {
    return array(
      array(
        __DIR__,
      ),
      array(
        __DIR__ . DIRECTORY_SEPARATOR,
      ),
    );
  }
  public function testInvalidDirectory() {
    $resource = new DirectoryResource(__DIR__ . 'foo');
    $this
      ->assertEquals(0, iterator_count($resource), 'works for non-existent directory');
  }
  public function testFollowSymlinks() {

    // Create the symlink if it doesn't already exist yet (if someone broke the entire testsuite perhaps)
    if (!is_dir(__DIR__ . '/Fixtures/dir3')) {
      symlink(__DIR__ . '/Fixtures/dir2', __DIR__ . '/Fixtures/dir3');
    }
    $resource = new DirectoryResource(__DIR__ . '/Fixtures');
    $count = 0;
    foreach ($resource as $r) {
      ++$count;
    }
    $this
      ->assertEquals(6, $count);
  }
  public function tearDown() {
    if (is_dir(__DIR__ . '/Fixtures/dir3')) {
      unlink(__DIR__ . '/Fixtures/dir3');
    }
  }

}