class PHPUnit_Util_Log_TAP

class PHPUnit_Util_Log_TAP extends PHPUnit_Util_Printer implements PHPUnit_Framework_TestListener {

  /**
   * @var    integer
   */
  protected $testNumber = 0;

  /**
   * @var    integer
   */
  protected $testSuiteLevel = 0;

  /**
   * @var    boolean
   */
  protected $testSuccessful = TRUE;

  /**
   * Constructor.
   *
   * @param  mixed $out
   * @throws PHPUnit_Framework_Exception
   * @since  Method available since Release 3.3.4
   */
  public function __construct($out = NULL) {
    parent::__construct($out);
    $this
      ->write("TAP version 13\n");
  }

  /**
   * An error occurred.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  Exception              $e
   * @param  float                  $time
   */
  public function addError(PHPUnit_Framework_Test $test, Exception $e, $time) {
    $this
      ->writeNotOk($test, 'Error');
  }

  /**
   * A failure occurred.
   *
   * @param  PHPUnit_Framework_Test                 $test
   * @param  PHPUnit_Framework_AssertionFailedError $e
   * @param  float                                  $time
   */
  public function addFailure(PHPUnit_Framework_Test $test, PHPUnit_Framework_AssertionFailedError $e, $time) {
    $this
      ->writeNotOk($test, 'Failure');
    $message = explode("\n", PHPUnit_Framework_TestFailure::exceptionToString($e));
    $diagnostic = array(
      'message' => $message[0],
      'severity' => 'fail',
    );
    if ($e instanceof PHPUnit_Framework_ExpectationFailedException) {
      $cf = $e
        ->getComparisonFailure();
      if ($cf !== NULL) {
        $diagnostic['data'] = array(
          'got' => $cf
            ->getActual(),
          'expected' => $cf
            ->getExpected(),
        );
      }
    }
    $yaml = new Symfony\Component\Yaml\Dumper();
    $this
      ->write(sprintf("  ---\n%s  ...\n", $yaml
      ->dump($diagnostic, 2, 2)));
  }

  /**
   * Incomplete test.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  Exception              $e
   * @param  float                  $time
   */
  public function addIncompleteTest(PHPUnit_Framework_Test $test, Exception $e, $time) {
    $this
      ->writeNotOk($test, '', 'TODO Incomplete Test');
  }

  /**
   * Skipped test.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  Exception              $e
   * @param  float                  $time
   * @since  Method available since Release 3.0.0
   */
  public function addSkippedTest(PHPUnit_Framework_Test $test, Exception $e, $time) {
    $this
      ->write(sprintf("ok %d - # SKIP%s\n", $this->testNumber, $e
      ->getMessage() != '' ? ' ' . $e
      ->getMessage() : ''));
    $this->testSuccessful = FALSE;
  }

  /**
   * A testsuite started.
   *
   * @param  PHPUnit_Framework_TestSuite $suite
   */
  public function startTestSuite(PHPUnit_Framework_TestSuite $suite) {
    $this->testSuiteLevel++;
  }

  /**
   * A testsuite ended.
   *
   * @param  PHPUnit_Framework_TestSuite $suite
   */
  public function endTestSuite(PHPUnit_Framework_TestSuite $suite) {
    $this->testSuiteLevel--;
    if ($this->testSuiteLevel == 0) {
      $this
        ->write(sprintf("1..%d\n", $this->testNumber));
    }
  }

  /**
   * A test started.
   *
   * @param  PHPUnit_Framework_Test $test
   */
  public function startTest(PHPUnit_Framework_Test $test) {
    $this->testNumber++;
    $this->testSuccessful = TRUE;
  }

  /**
   * A test ended.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  float                  $time
   */
  public function endTest(PHPUnit_Framework_Test $test, $time) {
    if ($this->testSuccessful === TRUE) {
      $this
        ->write(sprintf("ok %d - %s\n", $this->testNumber, PHPUnit_Util_Test::describe($test)));
    }
  }

  /**
   * @param  PHPUnit_Framework_Test $test
   * @param  string                 $prefix
   * @param  string                 $directive
   */
  protected function writeNotOk(PHPUnit_Framework_Test $test, $prefix = '', $directive = '') {
    $this
      ->write(sprintf("not ok %d - %s%s%s\n", $this->testNumber, $prefix != '' ? $prefix . ': ' : '', PHPUnit_Util_Test::describe($test), $directive != '' ? ' # ' . $directive : ''));
    $this->testSuccessful = FALSE;
  }

}