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<?php
declare(strict_types=1);
namespace LaminasTest\EventManager;
use Laminas\EventManager\Event;
use Laminas\EventManager\EventManager;
use Laminas\EventManager\SharedEventManager;
use PHPUnit\Framework\TestCase;
use SplQueue;
use function array_shift;
use function count;
use function iterator_to_array;
use function sprintf;
use function var_export;
class EventManagerPriorityTest extends TestCase
{
/** @var string[] */
private array $identifiers;
private SharedEventManager $sharedEvents;
private EventManager $events;
protected function setUp(): void
{
$this->identifiers = [self::class];
$this->sharedEvents = new SharedEventManager();
$this->events = new EventManager($this->sharedEvents, $this->identifiers);
}
public function createEvent(): Event
{
$accumulator = new SplQueue();
$event = new Event();
$event->setName('test');
$event->setTarget($this);
$event->setParams(['accumulator' => $accumulator]);
return $event;
}
/** @param mixed $return */
public function createListener($return): callable
{
return function ($event) use ($return) {
$event->getParam('accumulator')->enqueue($return);
};
}
public function testTriggersListenersOfDifferentPrioritiesInPriorityOrder(): void
{
for ($i = -1; $i < 5; $i += 1) {
$this->events->attach('test', $this->createListener($i), $i);
}
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[4, 3, 2, 1, 0, -1],
$values,
sprintf("Did not receive values in priority order: %s\n", var_export($values, true))
);
}
public function testTriggersListenersOfSamePriorityInAttachmentOrder(): void
{
for ($i = -1; $i < 5; $i += 1) {
$this->events->attach('test', $this->createListener($i));
}
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[-1, 0, 1, 2, 3, 4],
$values,
sprintf("Did not receive values in attachment order: %s\n", var_export($values, true))
);
}
public function testTriggersWildcardListenersAfterExplicitListenersOfSamePriority(): void
{
$this->events->attach('*', $this->createListener(2), 5);
$this->events->attach('test', $this->createListener(1), 5);
$this->events->attach('*', $this->createListener(3), 5);
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[1, 2, 3],
$values,
sprintf("Did not receive wildcard values after explicit listeners: %s\n", var_export($values, true))
);
}
public function testTriggersSharedListenersAfterWildcardListenersOfSamePriority(): void
{
$this->sharedEvents->attach(self::class, 'test', $this->createListener(2), 5);
$this->events->attach('*', $this->createListener(1), 5);
$this->sharedEvents->attach(self::class, 'test', $this->createListener(3), 5);
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[1, 2, 3],
$values,
sprintf("Did not receive shared listener values after wildcard listeners: %s\n", var_export($values, true))
);
}
public function testTriggersSharedWildcardListenersAfterSharedListenersOfSamePriority(): void
{
$this->sharedEvents->attach(self::class, '*', $this->createListener(2), 5);
$this->sharedEvents->attach(self::class, 'test', $this->createListener(1), 5);
$this->sharedEvents->attach(self::class, '*', $this->createListener(3), 5);
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[1, 2, 3],
$values,
sprintf(
"Did not receive shared wildcard listener values after shared listeners: %s\n",
var_export($values, true)
)
);
}
public function testTriggersSharedWildcardIdentifierListenersAfterWildcardSharedListenersOfSamePriority(): void
{
$this->sharedEvents->attach('*', 'test', $this->createListener(2), 5);
$this->sharedEvents->attach(self::class, '*', $this->createListener(1), 5);
$this->sharedEvents->attach('*', 'test', $this->createListener(3), 5);
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[1, 2, 3],
$values,
sprintf(
"Did not receive wildcard identifier listener values after shared wildcard listeners: %s\n",
var_export($values, true)
)
);
}
public function testTriggersFullyWildcardSharedListenersAfterWildcardIdentifierListenersOfSamePriority(): void
{
$this->sharedEvents->attach('*', '*', $this->createListener(2), 5);
$this->sharedEvents->attach('*', 'test', $this->createListener(1), 5);
$this->sharedEvents->attach('*', '*', $this->createListener(3), 5);
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = iterator_to_array($event->getParam('accumulator'));
self::assertEquals(
[1, 2, 3],
$values,
sprintf(
"Did not receive fully wildcard shared listener values after shared wildcard listeners: %s\n",
var_export($values, true)
)
);
}
public function testTriggeringMixOfLocalAndSharedAndWildcardListenersWorksAsExpected(): void
{
$this->sharedEvents->attach('*', '*', $this->createListener(1024), 1024);
$this->sharedEvents->attach('*', '*', $this->createListener(1023), 1024);
$this->events->attach('*', $this->createListener(1025), 1024);
$this->events->attach('test', $this->createListener(1026), 1024);
$this->sharedEvents->attach('*', 'test', $this->createListener(512), 512);
$this->sharedEvents->attach('*', '*', $this->createListener(510), 512);
$this->sharedEvents->attach('*', 'test', $this->createListener(511), 512);
$this->events->attach('*', $this->createListener(513), 512);
$this->events->attach('test', $this->createListener(514), 512);
$this->sharedEvents->attach(self::class, '*', $this->createListener(256), 256);
$this->sharedEvents->attach('*', '*', $this->createListener(253), 256);
$this->sharedEvents->attach('*', 'test', $this->createListener(254), 256);
$this->sharedEvents->attach(self::class, '*', $this->createListener(255), 256);
$this->events->attach('*', $this->createListener(257), 256);
$this->events->attach('test', $this->createListener(258), 256);
$this->sharedEvents->attach(self::class, 'test', $this->createListener(128), 128);
$this->sharedEvents->attach(self::class, '*', $this->createListener(126), 128);
$this->sharedEvents->attach('*', '*', $this->createListener(123), 128);
$this->sharedEvents->attach('*', 'test', $this->createListener(124), 128);
$this->sharedEvents->attach(self::class, '*', $this->createListener(125), 128);
$this->sharedEvents->attach(self::class, 'test', $this->createListener(127), 128);
$this->events->attach('*', $this->createListener(129), 128);
$this->events->attach('test', $this->createListener(130), 128);
$this->events->attach('*', $this->createListener(64), 64);
$this->events->attach('*', $this->createListener(63), 64);
$this->events->attach('test', $this->createListener(32), 32);
$this->events->attach('*', $this->createListener(30), 32);
$this->events->attach('test', $this->createListener(31), 32);
$event = $this->createEvent();
$this->events->triggerEvent($event);
$values = $report = iterator_to_array($event->getParam('accumulator'));
self::assertCount(28, $values);
$original = array_shift($values);
do {
$compare = array_shift($values);
self::assertLessThan(
$original,
$compare,
sprintf("Did not receive values in expected order: %s\n", var_export($report, true))
);
$original = $compare;
} while (count($values));
}
}
|
