forked from thephpleague/event
/
PrioritizedListenersForEventTest.php
45 lines (39 loc) · 1.25 KB
/
PrioritizedListenersForEventTest.php
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<?php
namespace League\Event;
use PHPUnit\Framework\TestCase;
class PrioritizedListenersForEventTest extends TestCase
{
public function testOneTimeListener(): void
{
$group = new PrioritizedListenersForEvent();
$group->addListener(function () {
return 1;
}, 1);
$group->addListener(function () {
return 2;
}, 2);
$group->addListener(new OneTimeListener(function () {
return 3;
}), 3);
$listener1 = $group->getListeners();
$this->assertCount(3, $listener1);
$this->assertEquals([null, 2, 1], self::inspectListener($listener1));
$group->addListener(function () {
return 4;
}, 4);
$listener2 = $group->getListeners();
$this->assertCount(3, $listener2);
$this->assertEquals([4, 2, 1], self::inspectListener($listener2));
$listener3 = $group->getListeners();
$this->assertEquals([4, 2, 1], self::inspectListener($listener3));
}
public static function inspectListener(iterable $listeners): array
{
$event = new \stdClass();
$ret = [];
foreach ($listeners as $listener) {
$ret[] = $listener($event);
}
return $ret;
}
}