/**
* @covers ::check
* @dataProvider provideInvalidEventNames
*/
public function testReturnsFalseForInvalidEventNames($eventName)
{
// ----------------------------------------------------------------
// setup your test
$stream = new EventStream();
// ----------------------------------------------------------------
// perform the change
$actualResult = HasEventHandler::check($stream, $eventName);
// ----------------------------------------------------------------
// test the results
$this->assertFalse($actualResult);
}
/**
* @covers ::on
*/
public function testCanHaveMultipleHandlersForOneEvent()
{
// ----------------------------------------------------------------
// setup your test
$stream = new EventStream();
$eventName = RegisterEventHandlerTest_DummyEvent::class;
$handler1 = function ($event) {
};
$handler2 = function ($event) {
};
$this->assertFalse(HasEventHandler::check($stream, $eventName));
// ----------------------------------------------------------------
// perform the change
RegisterEventHandler::on($stream, $eventName, $handler1);
RegisterEventHandler::on($stream, $eventName, $handler2);
// ----------------------------------------------------------------
// test the results
$handlers = GetEventHandlerList::from($stream, $eventName);
$this->assertSame($handlers[0], $handler1);
$this->assertSame($handlers[1], $handler2);
}
/**
* @covers ::from
*/
public function testReturnsEmptyListWhenThereAreNoHandlers()
{
// ----------------------------------------------------------------
// setup your test
$stream = new EventStream();
$eventName = GetEventHandlerListTest_DummyEvent::class;
$handler = function ($event) {
};
$this->assertFalse(HasEventHandler::check($stream, $eventName));
$expectedResult = [];
// ----------------------------------------------------------------
// perform the change
$actualResult = GetEventHandlerList::from($stream, $eventName);
// ----------------------------------------------------------------
// test the results
$this->assertEquals($expectedResult, $actualResult);
}