Viewing file:  EventFake.php (5.96 KB) -rw-rw-r--
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<?php
namespace Illuminate\Support\Testing\Fakes;
use Illuminate\Support\Arr;
use PHPUnit\Framework\Assert as PHPUnit;
use Illuminate\Contracts\Events\Dispatcher;
class EventFake implements Dispatcher
{
/**
* The original event dispatcher.
*
* @var \Illuminate\Contracts\Events\Dispatcher
*/
protected $dispatcher;
/**
* The event types that should be intercepted instead of dispatched.
*
* @var array
*/
protected $eventsToFake;
/**
* All of the events that have been intercepted keyed by type.
*
* @var array
*/
protected $events = [];
/**
* Create a new event fake instance.
*
* @param \Illuminate\Contracts\Events\Dispatcher $dispatcher
* @param array|string $eventsToFake
* @return void
*/
public function __construct(Dispatcher $dispatcher, $eventsToFake = [])
{
$this->dispatcher = $dispatcher;
$this->eventsToFake = Arr::wrap($eventsToFake);
}
/**
* Assert if an event was dispatched based on a truth-test callback.
*
* @param string $event
* @param callable|int|null $callback
* @return void
*/
public function assertDispatched($event, $callback = null)
{
if (is_int($callback)) {
return $this->assertDispatchedTimes($event, $callback);
}
PHPUnit::assertTrue(
$this->dispatched($event, $callback)->count() > 0,
"The expected [{$event}] event was not dispatched."
);
}
/**
* Assert if a event was dispatched a number of times.
*
* @param string $event
* @param int $times
* @return void
*/
public function assertDispatchedTimes($event, $times = 1)
{
PHPUnit::assertTrue(
($count = $this->dispatched($event)->count()) === $times,
"The expected [{$event}] event was dispatched {$count} times instead of {$times} times."
);
}
/**
* Determine if an event was dispatched based on a truth-test callback.
*
* @param string $event
* @param callable|null $callback
* @return void
*/
public function assertNotDispatched($event, $callback = null)
{
PHPUnit::assertTrue(
$this->dispatched($event, $callback)->count() === 0,
"The unexpected [{$event}] event was dispatched."
);
}
/**
* Get all of the events matching a truth-test callback.
*
* @param string $event
* @param callable|null $callback
* @return \Illuminate\Support\Collection
*/
public function dispatched($event, $callback = null)
{
if (! $this->hasDispatched($event)) {
return collect();
}
$callback = $callback ?: function () {
return true;
};
return collect($this->events[$event])->filter(function ($arguments) use ($callback) {
return $callback(...$arguments);
});
}
/**
* Determine if the given event has been dispatched.
*
* @param string $event
* @return bool
*/
public function hasDispatched($event)
{
return isset($this->events[$event]) && ! empty($this->events[$event]);
}
/**
* Register an event listener with the dispatcher.
*
* @param string|array $events
* @param mixed $listener
* @return void
*/
public function listen($events, $listener)
{
//
}
/**
* Determine if a given event has listeners.
*
* @param string $eventName
* @return bool
*/
public function hasListeners($eventName)
{
//
}
/**
* Register an event and payload to be dispatched later.
*
* @param string $event
* @param array $payload
* @return void
*/
public function push($event, $payload = [])
{
//
}
/**
* Register an event subscriber with the dispatcher.
*
* @param object|string $subscriber
* @return void
*/
public function subscribe($subscriber)
{
//
}
/**
* Flush a set of pushed events.
*
* @param string $event
* @return void
*/
public function flush($event)
{
//
}
/**
* Fire an event and call the listeners.
*
* @param string|object $event
* @param mixed $payload
* @param bool $halt
* @return array|null
*/
public function fire($event, $payload = [], $halt = false)
{
return $this->dispatch($event, $payload, $halt);
}
/**
* Fire an event and call the listeners.
*
* @param string|object $event
* @param mixed $payload
* @param bool $halt
* @return array|null
*/
public function dispatch($event, $payload = [], $halt = false)
{
$name = is_object($event) ? get_class($event) : (string) $event;
if ($this->shouldFakeEvent($name)) {
$this->events[$name][] = func_get_args();
} else {
$this->dispatcher->dispatch($event, $payload, $halt);
}
}
/**
* Determine if an event should be faked or actually dispatched.
*
* @param string $eventName
* @return bool
*/
protected function shouldFakeEvent($eventName)
{
return empty($this->eventsToFake) || in_array($eventName, $this->eventsToFake);
}
/**
* Remove a set of listeners from the dispatcher.
*
* @param string $event
* @return void
*/
public function forget($event)
{
//
}
/**
* Forget all of the queued listeners.
*
* @return void
*/
public function forgetPushed()
{
//
}
/**
* Dispatch an event and call the listeners.
*
* @param string|object $event
* @param mixed $payload
* @return void
*/
public function until($event, $payload = [])
{
return $this->dispatch($event, $payload, true);
}
}
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