* @return Event
*/
public function fire($name, $additionalData = null)
{
$eventHandler = new Event();
$eventHandler->target = $name;
$eventHandler->data = $additionalData;
$eventRegisters = $this->filter($name);
foreach ($eventRegisters as $key => $eventRegister) {
$eventHandler->index = $key;
$eventHandler->register = $eventRegister;
$eventHandler->registeredData = $eventRegister->data;
$eventHandler->currentTarget = "{$eventRegister->namespace}::{$eventRegister->name}";
$eventHandler->returnedData = call_user_func($eventRegister->callback, $eventHandler);
// Cancel event, if it returns false.
if ($eventHandler->returnedData === false) {
break;
}
// If event is "one", remove it from registers.
if ($eventRegister->one === true) {
unset($this->registers[array_search($eventRegister, $this->registers, true)]);
$this->registers = array_values($this->registers);
}
}
return $eventHandler;
}
}
// Initialize global event listener.
// @codeCoverageIgnoreStart
EventListener::$global = new EventListener();
// @codeCoverageIgnoreEnd
/**
* Test basic methods.
* @covers Rentalhost\VanillaEvent\EventListener::__construct
* @covers Rentalhost\VanillaEvent\EventListener::on
* @covers Rentalhost\VanillaEvent\EventListener::off
* @covers Rentalhost\VanillaEvent\EventListener::one
* @covers Rentalhost\VanillaEvent\EventListener::has
* @covers Rentalhost\VanillaEvent\EventListener::filter
* @covers Rentalhost\VanillaEvent\EventListener::fire
* @covers Rentalhost\VanillaEvent\EventRegister::__construct
* @covers Rentalhost\VanillaEvent\EventRegister::splitNames
* @return void
*/
public function testBasic()
{
$noopCallback = function () {
};
$eventListener = new EventListener();
$count = 0;
$countCallback = function () use(&$count) {
$count++;
};
// Global event listener.
static::assertInstanceOf(EventListener::class, EventListener::$global);
// Invalid.
static::assertSame(false, $eventListener->on('*', $noopCallback));
static::assertSame(false, $eventListener->on('!!INVALID!!', $noopCallback));
// On.
static::assertInstanceOf(EventRegister::class, $eventListener->on('event1', $countCallback));
static::assertInstanceOf(EventRegister::class, $eventListener->on('event1', $countCallback));
static::assertInstanceOf(EventRegister::class, $eventListener->on('event2', $countCallback));
// Has.
static::assertFalse($eventListener->has());
static::assertFalse($eventListener->has(123));
static::assertFalse($eventListener->has(false));
static::assertFalse($eventListener->has(true));
static::assertTrue($eventListener->has('event1'));
static::assertTrue($eventListener->has('event2'));
static::assertFalse($eventListener->has('event3'));
static::assertTrue($eventListener->has($countCallback));
static::assertTrue($eventListener->has('event1', $countCallback));
static::assertTrue($eventListener->has('event2', $countCallback));
static::assertFalse($eventListener->has('event3', $countCallback));
static::assertNotSame($noopCallback, $countCallback);
static::assertFalse($eventListener->has('event1', $noopCallback));
static::assertFalse($eventListener->has('event2', $noopCallback));
static::assertFalse($eventListener->has('event3', $noopCallback));
// Simple fire.
static::assertInstanceOf(Event::class, $eventListener->fire('event1'));
static::assertSame(2, $count);
// One.
static::assertInstanceOf(EventRegister::class, $eventListener->one('event3', $countCallback));
static::assertTrue($eventListener->has('event1', $countCallback));
$eventListener->fire('event3');
$eventListener->fire('event3');
static::assertSame(3, $count);
// Off.
static::assertSame(2, $eventListener->off('event1'));
static::assertSame(1, $eventListener->off('event2'));
static::assertSame(0, $eventListener->off('event3'));
// Event cancel.
$count = 0;
$eventListener->on('event1', function () use($countCallback) {
$countCallback();
});
$eventListener->on('event1', function () use($countCallback) {
$countCallback();
return false;
});
$eventListener->on('event1', function () use($countCallback) {
$countCallback();
});
$eventListener->fire('event1');
static::assertSame(2, $count);
$eventListener->off('event1');
// Namespace.
$count = 0;
$eventListener->on('namespace1::event10', function () use($countCallback) {
$countCallback();
});
$eventListener->on('namespace2::event10', function () {
return false;
});
$eventListener->on('namespace1::event10', function () use($countCallback) {
$countCallback();
});
$eventListener->fire('event10');
static::assertSame(1, $count);
$eventListener->fire('namespace1::event10');
static::assertSame(3, $count);
static::assertSame(3, $eventListener->off('event10'));
// Namespace Off.
$eventListener->on('namespace1::event10', $noopCallback);
$eventListener->on('namespace2::event20', $noopCallback);
$eventListener->on('namespace2::event30', $noopCallback);
$eventListener->on('namespace2::event40', $noopCallback);
$eventListener->on('namespace2::event40', $noopCallback);
static::assertCount(1, $eventListener->filter('event10'));
static::assertCount(1, $eventListener->filter('event20'));
static::assertCount(1, $eventListener->filter('event30'));
static::assertCount(2, $eventListener->filter('event40'));
$eventListener->off('event40');
static::assertCount(1, $eventListener->filter('event10'));
static::assertCount(1, $eventListener->filter('event20'));
static::assertCount(1, $eventListener->filter('event30'));
static::assertCount(0, $eventListener->filter('event40'));
$eventListener->off('namespace2::*');
static::assertCount(1, $eventListener->filter('event10'));
static::assertCount(0, $eventListener->filter('event20'));
static::assertCount(0, $eventListener->filter('event30'));
$eventListener->off('namespace1::event10');
static::assertCount(0, $eventListener->filter('event10'));
// Empty namespace is different of general namespace.
$eventListener->on('namespace1::event10', $noopCallback);
$eventListener->on('namespace2::event20', $noopCallback);
static::assertCount(0, $eventListener->filter('::event10'));
static::assertCount(0, $eventListener->filter('::event20'));
static::assertCount(0, $eventListener->filter('::*'));
$eventListener->on('::event10', $noopCallback);
$eventListener->on('::event20', $noopCallback);
$eventListener->off('namespace1::*');
$eventListener->off('namespace2::*');
static::assertCount(1, $eventListener->filter('::event10'));
static::assertCount(1, $eventListener->filter('::event20'));
static::assertCount(2, $eventListener->filter('::*'));
$eventListener->off('::*');
$eventListener->off('::*');
// Complex test.
$phpunit = $this;
/** @noinspection PhpUnusedLocalVariableInspection */
$register1 = $eventListener->one('namespace1::number.push', function ($event) use($phpunit, $eventListener, &$register1) {
$expectedEvent = new Event();
$expectedEvent->index = 0;
$expectedEvent->register = $register1;
$expectedEvent->register->eventListener = $eventListener;
$expectedEvent->data = ['eventData' => 3];
$expectedEvent->registeredData = ['initialNumber' => 5];
$expectedEvent->returnedData = null;
$expectedEvent->target = 'number.push';
$expectedEvent->currentTarget = 'namespace1::number.push';
$phpunit->assertEquals($expectedEvent, $event);
$phpunit->assertEquals($expectedEvent->register, $event->register);
return $event->registeredData['initialNumber'];
}, ['initialNumber' => 5]);
/** @noinspection PhpUnusedLocalVariableInspection */
$register2 = $eventListener->one('namespace2::number.push', function ($event) use($phpunit, $eventListener, &$register2) {
$expectedEvent = new Event();
$expectedEvent->index = 1;
$expectedEvent->register = $register2;
$expectedEvent->register->eventListener = $eventListener;
$expectedEvent->data = ['eventData' => 3];
$expectedEvent->registeredData = null;
$expectedEvent->returnedData = 5;
$expectedEvent->target = 'number.push';
$expectedEvent->currentTarget = 'namespace2::number.push';
$phpunit->assertEquals($expectedEvent, $event);
$phpunit->assertEquals($expectedEvent->register, $event->register);
return $event->returnedData + $event->data['eventData'];
});
/** @noinspection PhpUnusedLocalVariableInspection */
$register3 = $eventListener->one('namespace3::number.push', function ($event) use($phpunit, $eventListener, &$register3) {
$expectedEvent = new Event();
$expectedEvent->index = 2;
$expectedEvent->register = $register3;
$expectedEvent->register->eventListener = $eventListener;
$expectedEvent->data = ['eventData' => 3];
$expectedEvent->registeredData = null;
$expectedEvent->returnedData = 8;
$expectedEvent->target = 'number.push';
$expectedEvent->currentTarget = 'namespace3::number.push';
$phpunit->assertEquals($expectedEvent, $event);
$phpunit->assertEquals($expectedEvent->register, $event->register);
});
static::assertInstanceOf(Event::class, $eventListener->fire('number.push', ['eventData' => 3]));
static::assertCount(0, $eventListener->filter('number.push'));
}
