public function testGeneratedDataCollectionWithCustomMapper()
{
$this->forAll(Generator\seq(Generator\nat()))->withMaxSize(10)->hook(Listener\collectFrequencies(function ($array) {
return count($array);
}))->then(function ($array) {
$this->assertEquals(count($array), count(array_reverse($array)));
});
}
public function testSizeIncreasesEvenIfEvaluationsAreSkippedDueToAntecedentsNotBeingSatisfied()
{
$this->forAll(Generator\seq(Generator\elements(1, 2, 3)))->when(function ($seq) {
return count($seq) > 0;
})->then(function ($seq) {
$this->assertGreaterThan(0, count($seq));
});
}
public function testEqualToNative()
{
$this->forAll(Generator\seq(Generator\int()))->__invoke(function ($arr) {
$e = array_product($arr);
$this->assertEquals($e, lazy_product($arr)->resolve());
$this->assertEquals($e, lazy_product(new \ArrayObject($arr))->resolve());
});
}
public function testArraySorting()
{
$this->forAll(Generator\seq(Generator\nat()))->then(function ($array) {
sort($array);
for ($i = 0; $i < count($array) - 1; $i++) {
$this->assertTrue($array[$i] <= $array[$i + 1], "Array is not sorted: " . var_export($array, true));
}
});
}
public function testArraySortingIsIdempotent()
{
$this->forAll(Generator\seq(Generator\nat()))->then(function ($array) {
sort($array);
$expected = $array;
sort($array);
$this->assertEquals($expected, $array);
});
}
public function testNotWithstandingCrashesJobsAreEventuallyPerformed()
{
$this->limitTo(100)->forAll(Generator\bind(Generator\choose(1, 4), function ($workers) {
return Generator\tuple(Generator\constant($workers), Generator\seq(Generator\oneOf(Generator\map(function ($durationAndTag) {
list($duration, $tag) = $durationAndTag;
return ['enqueueJob', $duration, $tag];
}, Generator\tuple(Generator\nat(), Generator\elements(['generic', 'fast-lane']))), Generator\map(function ($workerIndex) {
return ['restartWorkerGracefully', $workerIndex];
}, Generator\choose(0, $workers - 1)), Generator\map(function ($workerIndex) {
return ['restartWorkerByKilling', $workerIndex];
}, Generator\choose(0, $workers - 1)), Generator\constant('restartRecruiterGracefully'), Generator\constant('restartRecruiterByKilling'), Generator\map(function ($milliseconds) {
return ['sleep', $milliseconds];
}, Generator\choose(1, 1000)))));
}))->hook(Listener\log('/tmp/recruiter-test-iterations.log'))->hook(Listener\collectFrequencies())->disableShrinking()->then(function ($tuple) {
list($workers, $actions) = $tuple;
$this->clean();
$this->start($workers);
foreach ($actions as $action) {
$this->logAction($action);
if (is_array($action)) {
$arguments = $action;
$method = array_shift($arguments);
call_user_func_array([$this, $method], $arguments);
} else {
$this->{$action}();
}
}
$estimatedTime = max(count($actions) * 4, 60);
Timeout::inSeconds($estimatedTime, function () {
return "all {$this->jobs} jobs to be performed. Now is " . date('c') . " Logs: " . $this->files();
})->until(function () {
return $this->jobRepository->countArchived() === $this->jobs;
});
$at = T\now();
$statistics = $this->recruiter->statistics($tag = null, $at);
$this->assertInvariantsOnStatistics($statistics);
// TODO: remove duplication
$statisticsByTag = [];
$cumulativeThroughput = 0;
foreach (['generic', 'fast-lane'] as $tag) {
$statisticsByTag[$tag] = $this->recruiter->statistics($tag, $at);
$this->assertInvariantsOnStatistics($statisticsByTag[$tag]);
$cumulativeThroughput += $statisticsByTag[$tag]['throughput']['value'];
}
var_dump($statistics, $statisticsByTag);
// TODO: add tolerance
$this->assertEquals($statistics['throughput']['value'], $cumulativeThroughput);
});
}
public function testDoesNotPerformTheCheckTooManyTimes()
{
$this->forAll(Generator\date(), Generator\choose(10, 30), Generator\seq(Generator\choose(1, 60)))->then(function ($startingDate, $period, $deltas) {
$clock = new SettableClock($startingDate);
$check = PeriodicalCheck::every($period, $clock);
$this->counter = 0;
$check->onFire(function () {
$this->counter++;
});
$check->__invoke();
foreach ($deltas as $delta) {
$clock->advance($delta);
$check->__invoke();
}
$totalInterval = array_sum($deltas);
$maximumNumberOfCalls = ceil($totalInterval / $period);
$actualNumberOfCallsExcludingTheFirst = $this->counter - 1;
$this->assertLessThanOrEqual($maximumNumberOfCalls, $actualNumberOfCallsExcludingTheFirst);
});
}
public function testArrayReverse()
{
$this->forAll(Generator\seq(Generator\nat()))->then(function ($array) {
$this->assertEquals($array, array_reverse(array_reverse($array)));
});
}
/**
* @group long
*/
public function testPropertyBased()
{
$this->iteration = 0;
$this->forAll(Generator\vector(2, Generator\seq(Generator\elements(['acquire', 'release']))))->when(function ($sequencesOfSteps) {
foreach ($sequencesOfSteps as $sequence) {
if (!$sequence) {
return false;
}
}
return true;
})->then(function ($sequencesOfSteps) {
$this->lockCollection->drop();
$log = "/tmp/mongolock_{$this->iteration}.log";
if (file_exists($log)) {
unlink($log);
}
$processes = [];
foreach ($sequencesOfSteps as $i => $sequence) {
$processName = "p{$i}";
$steps = implode(',', $sequence);
$process = new Process("exec php " . __DIR__ . "/mongolock.php {$processName} {$steps} >> {$log}");
$process->start();
$processes[] = $process;
}
foreach ($processes as $process) {
$process->wait();
$this->assertExitedCorrectly($process, "Error in MongoLock run");
}
$process = new Process("exec java -jar " . __DIR__ . "/knossos-onebip.jar mongo-lock {$log}");
$process->run();
$this->assertExitedCorrectly($process, "Non-linearizable history in {$log}");
$this->iteration++;
});
}