PhutilUnitTestEngineTestCase.php
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	<?php

	/**
	* Very meta test for @{class:PhutilUnitTestEngine}.
	*/
	final class PhutilUnitTestEngineTestCase extends PhutilTestCase {

	private static $allTestsCounter = 0;
	private static $oneTestCounter = 0;
	private static $distinctWillRunTests = array();
	private static $distinctDidRunTests = array();

	protected function willRunTests() {
	self::$allTestsCounter++;
	}

	protected function didRunTests() {
	$this->assertEqual(
	1,
	self::$allTestsCounter,
	pht(
	'Expect %s has been called once.',
	'willRunTests()'));

	self::$allTestsCounter--;

	$actual_test_count = 5;

	$this->assertEqual(
	$actual_test_count,
	count(self::$distinctWillRunTests),
	pht(
	'Expect %s was called once for each test.',
	'willRunOneTest()'));
	$this->assertEqual(
	$actual_test_count,
	count(self::$distinctDidRunTests),
	pht(
	'Expect %s was called once for each test.',
	'didRunOneTest()'));
	$this->assertEqual(
	self::$distinctWillRunTests,
	self::$distinctDidRunTests,
	pht('Expect same tests had pre-run and post-run callbacks invoked.'));
	}

	public function __destruct() {
	if (self::$allTestsCounter !== 0) {
	throw new Exception(
	pht(
	'%s was not called correctly after tests completed!',
	'didRunTests()'));
	}
	}

	protected function willRunOneTest($test) {
	self::$distinctWillRunTests[$test] = true;
	self::$oneTestCounter++;
	}

	protected function didRunOneTest($test) {
	$this->assertEqual(
	1,
	self::$oneTestCounter,
	pht('Expect %s depth to be one.', 'willRunOneTest()'));

	self::$distinctDidRunTests[$test] = true;
	self::$oneTestCounter--;
	}

	public function testPass() {
	$this->assertEqual(1, 1, pht('This test is expected to pass.'));
	}

	public function testFailSkip() {
	$failed = 0;
	$skipped = 0;

	$test_case = id(new PhutilTestCaseTestCase())
	->setWorkingCopy($this->getWorkingCopy());

	foreach ($test_case->run() as $result) {
	if ($result->getResult() == ArcanistUnitTestResult::RESULT_FAIL) {
	$failed++;
	} else if ($result->getResult() == ArcanistUnitTestResult::RESULT_SKIP) {
	$skipped++;
	} else {
	$this->assertFailure(pht('These tests should either fail or skip.'));
	}
	}
	$this->assertEqual(1, $failed, pht('One test was expected to fail.'));
	$this->assertEqual(1, $skipped, pht('One test was expected to skip.'));
	}

	public function testTryTestCases() {
	$this->tryTestCases(
	array(
	true,
	false,
	),
	array(
	true,
	false,
	),
	array($this, 'throwIfFalsey'));
	}

	public function testTryTestMap() {
	$this->tryTestCaseMap(
	array(
	1 => true,
	0 => false,
	),
	array($this, 'throwIfFalsey'));
	}

	protected function throwIfFalsey($input) {
	if (!$input) {
	throw new Exception(pht('This is a negative test case!'));
	}
	}

	public function testGetTestPaths() {
	$tests = array(
	'empty' => array(
	array(),
	array(),
	),

	'test file' => array(
	array(__FILE__),
	array(__FILE__),
	),

	'test directory' => array(
	array(
	dirname(__FILE__),
	),
	array(
	// This is odd, but harmless.
	dirname(dirname(__FILE__)).'/__tests__/__tests__/',

	dirname(dirname(__FILE__)).'/__tests__/',
	dirname(dirname(dirname(__FILE__))).'/__tests__/',
	phutil_get_library_root('arcanist').'/__tests__/',
	),
	),
	'normal directory' => array(
	array(
	dirname(dirname(__FILE__)),
	),
	array(
	dirname(dirname(__FILE__)).'/__tests__/',
	dirname(dirname(dirname(__FILE__))).'/__tests__/',
	phutil_get_library_root('arcanist').'/__tests__/',
	),
	),
	'library root' => array(
	array(phutil_get_library_root('arcanist')),
	array(phutil_get_library_root('arcanist').'/__tests__/'),
	),
	);

	$test_engine = id(new PhutilUnitTestEngine())
	->setWorkingCopy($this->getWorkingCopy());

	$library = phutil_get_current_library_name();
	$library_root = phutil_get_library_root($library);

	foreach ($tests as $name => $test) {
	list($paths, $test_paths) = $test;
	$expected = array();

	foreach ($test_paths as $path) {
	$expected[] = array(
	'library' => $library,
	'path' => Filesystem::readablePath($path, $library_root),
	);
	}

	$test_engine->setPaths($paths);
	$this->assertEqual(
	$expected,
	array_values($test_engine->getTestPaths()),
	pht('Test paths for: "%s"', $name));
	}
	}

	}

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