CustomTestEngine.php
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	joshuaspence
	Jul 7 2015, 1:31 PM

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CustomTestEngine.php
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	<?php

	/**
	* A custom unit test engine for Arcanist.
	*
	* This unit test engine provides a mechanism for combining multiple Arcanist
	* unit test engines into a single "proxy" engine. This give us a much greater
	* level of control over the behavior of `arc unit` until
	* [[https://secure.phabricator.com/T5568 \| T5568: Support `.arcunit`, similar
	* to `.arclint`]] is resolved upstream.
	*/
	final class CustomTestEngine extends ArcanistUnitTestEngine {

	protected function supportsRunAllTests() {
	return true;
	}

	public function run() {
	$paths = $this->getPaths();

	// If we are running with `--everything` then `$paths` will be `null`.
	if (!$paths) {
	$paths = array();
	}

	$engines = array();
	$results = array();
	$exceptions = array();

	$engines[] = $this->getPhpunitEngine(preg_grep('(some_regex)', $paths));
	$engines[] = $this->getPhutilEngine(preg_grep('(some_regex)', $paths));

	foreach ($engines as $engine) {
	$engine
	->setWorkingCopy($this->getWorkingCopy())
	->setEnableAsyncTests($this->getEnableAsyncTests())
	->setEnableCoverage($this->getEnableCoverage());

	if ($engine->supportsRunAllTests()) {
	$engine->setRunAllTests($this->getRunAllTests());
	}

	try {
	$results[] = $engine->run();
	} catch (ArcanistNoEffectException $ex) {
	$exceptions[] = $ex;
	}
	}

	if (!$results) {
	// If all engines throw an `ArcanistNoEffectException`, then we should
	// preserve this behavior.
	throw new ArcanistNoEffectException(pht('No tests to run.'));
	}

	return array_mergev($results);
	}

	private function getPhpunitEngine(array $paths) {
	return id(new CustomPhpunitTestEngine())
	->setConfigurationManager($configuration_manager)
	->setPaths($paths);
	}

	private function getPhutilEngine(array $paths) {
	return id(new PhutilUnitTestEngine())
	->setConfigurationManager($this->getConfigurationManager())
	->setPaths($paths);
	}

	}

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