public function testConvertsBackAndForthMongoDatesWithoutLosingMillisecondPrecision()
{
$this->forAll(Generator\choose(0, 1500 * 1000 * 1000))->then(function ($milliseconds) {
$moment = new Moment($milliseconds);
$this->assertEquals($moment, MongoDate::toMoment(MongoDate::from($moment)));
});
}
public function testConcatenationMaintainsLength()
{
$this->forAll(Generator\tuple(Generator\elements("A", "B", "C"), Generator\choose(0, 9)))->then(function ($tuple) {
$letter = $tuple[0];
$cipher = $tuple[1];
$this->assertEquals(2, strlen($letter . $cipher), "{$letter}{$cipher} is not a 2-char string");
});
}
public function testShrinkingRespectsAntecedents()
{
$this->forAll(Generator\choose(0, 20))->when(function ($number) {
return $number > 10;
})->then(function ($number) {
$this->assertTrue($number % 29 == 0, "The number {$number} is not multiple of 29");
});
}
public function testSumOfTwoIntegersFromBoundedRangesIsCommutative()
{
$this->forAll(Generator\choose(-1000, 430), Generator\choose(230, -30000))->then(function ($first, $second) {
$x = $first + $second;
$y = $second + $first;
$this->assertEquals($x, $y, "Sum between {$first} and {$second} should be commutative");
});
}
public function testFromDayOfYearFactoryMethodRespectsDistanceBetweenDays()
{
$this->forAll(Generator\choose(2000, 2020), Generator\choose(0, 364), Generator\choose(0, 364))->then(function ($year, $dayOfYear, $anotherDayOfYear) {
$day = fromZeroBasedDayOfYear($year, $dayOfYear);
$anotherDay = fromZeroBasedDayOfYear($year, $anotherDayOfYear);
$this->assertEquals(abs($dayOfYear - $anotherDayOfYear) * 86400, abs($day->getTimestamp() - $anotherDay->getTimestamp()), "Days of the year {$year}: {$dayOfYear}, {$anotherDayOfYear}" . PHP_EOL . "{$day->format(DateTime::ISO8601)}, {$anotherDay->format(DateTime::ISO8601)}");
});
}
public function testPassesBecauseOfTheArtificiallyLowMinimumEvaluationRatio()
{
$this->minimumEvaluationRatio(0.01)->forAll(Generator\choose(0, 100))->when(function ($n) {
return $n > 90;
})->then(function ($number) {
$this->assertTrue($number * 2 > 90 * 2);
});
}
public function testAssociativeArraysGeneratedOnStandardKeys()
{
$this->forAll(Generator\associative(['letter' => Generator\elements("A", "B", "C"), 'cipher' => Generator\choose(0, 9)]))->then(function ($array) {
$this->assertEquals(2, count($array));
$letter = $array['letter'];
$this->assertInternalType('string', $letter);
$cipher = $array['cipher'];
$this->assertInternalType('integer', $cipher);
});
}
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 testSuchThatShrinkingRespectsTheConditionButTriesToSkipOverTheNotAllowedSet()
{
$this->forAll(Generator\suchThat(function ($n) {
return $n != 42;
}, Generator\choose(0, 1000)))->then($this->numberIsBiggerThan(100));
}
/**
* The current implementation shows no problem as PHPUnit prefers to show
* the exception from the test method than the one from teardown
* when both fail.
*/
public function testWhenFailingWillNaturallyHaveALowEvaluationRatioSoWeDontWantThatErrorToObscureTheTrueOne()
{
$this->forAll(Generator\choose(0, 1000))->when($this->greaterThan(100))->then(function ($number) {
$this->assertTrue($number <= 100, "\$number should be less or equal to 100, but it is {$number}");
});
}
public function testNaturalNumbersMagnitude()
{
$this->forAll(Generator\choose(0, 1000))->then(function ($number) {
$this->assertTrue($number < 42, "{$number} is not less than 42 apparently");
});
}
public function testFromOneDayOfYearFactoryMethodRespectsDistanceBetweenDays()
{
$this->forAll(Generator\choose(2000, 2020), Generator\choose(1, 365), Generator\choose(1, 365))->then(function ($year, $dayOfYear, $anotherDayOfYear) {
$day = UTCDateTime::fromOneBasedDayOfYear($year, $dayOfYear);
$anotherDay = UTCDateTime::fromOneBasedDayOfYear($year, $anotherDayOfYear);
$this->assertEquals(abs($dayOfYear - $anotherDayOfYear) * 86400, abs($day->differenceInSeconds($anotherDay)), "Days of the year {$year}: {$dayOfYear}, {$anotherDayOfYear}" . PHP_EOL . "{$day->toIso8601()}, {$anotherDay->toIso8601()}");
});
}
public function testAlwaysFails()
{
$this->forAll(Generator\frequency([8, Generator\choose(1, 100)], [4, Generator\choose(100, 200)], [4, Generator\choose(200, 300)]))->then(function ($element) {
$this->assertEquals(0, $element);
});
}