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<?php
namespace GuzzleHttp\Tests\Event;
use GuzzleHttp\Event\HasEmitterInterface;
use GuzzleHttp\Event\HasEmitterTrait;
use GuzzleHttp\Event\ListenerAttacherTrait;
class ObjectWithEvents implements HasEmitterInterface
{
use HasEmitterTrait, ListenerAttacherTrait;
public $listeners = [];
public function __construct(array $args = [])
{
$this->listeners = $this->prepareListeners($args, ['foo', 'bar']);
$this->attachListeners($this, $this->listeners);
}
}
class ListenerAttacherTraitTest extends \PHPUnit_Framework_TestCase
{
public function testRegistersEvents()
{
$fn = function () {};
$o = new ObjectWithEvents([
'foo' => $fn,
'bar' => $fn,
]);
$this->assertEquals([
['name' => 'foo', 'fn' => $fn, 'priority' => 0, 'once' => false],
['name' => 'bar', 'fn' => $fn, 'priority' => 0, 'once' => false],
], $o->listeners);
$this->assertCount(1, $o->getEmitter()->listeners('foo'));
$this->assertCount(1, $o->getEmitter()->listeners('bar'));
}
public function testRegistersEventsWithPriorities()
{
$fn = function () {};
$o = new ObjectWithEvents([
'foo' => ['fn' => $fn, 'priority' => 99, 'once' => true],
'bar' => ['fn' => $fn, 'priority' => 50],
]);
$this->assertEquals([
['name' => 'foo', 'fn' => $fn, 'priority' => 99, 'once' => true],
['name' => 'bar', 'fn' => $fn, 'priority' => 50, 'once' => false],
], $o->listeners);
}
public function testRegistersMultipleEvents()
{
$fn = function () {};
$eventArray = [['fn' => $fn], ['fn' => $fn]];
$o = new ObjectWithEvents([
'foo' => $eventArray,
'bar' => $eventArray,
]);
$this->assertEquals([
['name' => 'foo', 'fn' => $fn, 'priority' => 0, 'once' => false],
['name' => 'foo', 'fn' => $fn, 'priority' => 0, 'once' => false],
['name' => 'bar', 'fn' => $fn, 'priority' => 0, 'once' => false],
['name' => 'bar', 'fn' => $fn, 'priority' => 0, 'once' => false],
], $o->listeners);
$this->assertCount(2, $o->getEmitter()->listeners('foo'));
$this->assertCount(2, $o->getEmitter()->listeners('bar'));
}
public function testRegistersEventsWithOnce()
{
$called = 0;
$fn = function () use (&$called) { $called++; };
$o = new ObjectWithEvents(['foo' => ['fn' => $fn, 'once' => true]]);
$ev = $this->getMock('GuzzleHttp\Event\EventInterface');
$o->getEmitter()->emit('foo', $ev);
$o->getEmitter()->emit('foo', $ev);
$this->assertEquals(1, $called);
}
/**
* @expectedException \InvalidArgumentException
*/
public function testValidatesEvents()
{
$o = new ObjectWithEvents(['foo' => 'bar']);
}
}