protected function _init() {
		parent::_init();
		$command = $this;

		$this->_handlers += [
			'txt' => function($runner, $path) use ($command) {
				if (!$command->justAssertions) {
					$command->header('Test');
					$command->out(null, 1);
				}
				$colorize = function($result) {
					switch (trim($result)) {
						case '.':
							return $result;
						case 'pass':
							return "{:green}{$result}{:end}";
						case 'F':
						case 'fail':
							return "{:red}{$result}{:end}";
						case 'E':
						case 'exception':
							return "{:purple}{$result}{:end}";
						case 'S':
						case 'skip':
							return "{:cyan}{$result}{:end}";
						default:
							return "{:yellow}{$result}{:end}";
					}
				};

				if ($command->verbose) {
					$reporter = function($result) use ($command, $colorize) {
						$command->out(sprintf(
							'[%s] on line %4s in %s::%s()',
							$colorize(sprintf('%9s', $result['result'])),
							isset($result['line']) ? $result['line'] : '??',
							isset($result['class']) ? $result['class'] : '??',
							isset($result['method']) ? $result['method'] : '??'
						));
					};
				} else {
					$i = 0;
					$columns = 60;

					$reporter = function($result) use ($command, &$i, $columns, $colorize) {
						$shorten = ['fail', 'skip', 'exception'];

						if ($result['result'] === 'pass') {
							$symbol = '.';
						} elseif (in_array($result['result'], $shorten)) {
							$symbol = strtoupper($result['result'][0]);
						} else {
							$symbol = '?';
						}
						$command->out($colorize($symbol), false);

						$i++;
						if ($i % $columns === 0) {
							$command->out();
						}
					};
				}
				$report = $runner(compact('reporter'));

				if (!$command->justAssertions) {
					$stats = $report->stats();

					$command->out(null, 2);
					$command->out($report->render('result', $stats));
					$command->out($report->render('errors', $stats));

					if ($command->verbose) {
						$command->out($report->render('skips', $stats));
					}

					foreach ($report->filters() as $filter => $options) {
						$data = $report->results['filters'][$filter];
						$command->out($report->render($options['name'], compact('data')));
					}
				}
				return $report;
			},
			'json' => function($runner, $path) use ($command) {
				$report = $runner();
				$filters = [];

				if ($results = $report->filters()) {
					foreach ($results as $filter => $options) {
						$filters[$options['name']] = $report->results['filters'][$filter];
					}
				}
				$command->out($report->render('stats', $report->stats() + compact('filters')));
				return $report;
			}
		];
	}