public function testEmitsEvents()
{
$request = new EntityEnclosingRequest('PUT', 'http://www.example.com');
$request->setBody('foo');
$request->setResponse(new Response(200));
// Ensure that IO events are emitted
$request->getCurlOptions()->set('emit_io', true);
// Attach listeners for each event type
$request->getEventDispatcher()->addListener('curl.callback.progress', array($this, 'event'));
$request->getEventDispatcher()->addListener('curl.callback.read', array($this, 'event'));
$request->getEventDispatcher()->addListener('curl.callback.write', array($this, 'event'));
$mediator = new RequestMediator($request, true);
$mediator->progress('a', 'b', 'c', 'd');
$this->assertEquals(1, count($this->events));
$this->assertEquals('curl.callback.progress', $this->events[0]->getName());
$this->assertEquals(3, $mediator->writeResponseBody('foo', 'bar'));
$this->assertEquals(2, count($this->events));
$this->assertEquals('curl.callback.write', $this->events[1]->getName());
$this->assertEquals('bar', $this->events[1]['write']);
$this->assertSame($request, $this->events[1]['request']);
$this->assertEquals('foo', $mediator->readRequestBody('a', 'b', 3));
$this->assertEquals(3, count($this->events));
$this->assertEquals('curl.callback.read', $this->events[2]->getName());
$this->assertEquals('foo', $this->events[2]['read']);
$this->assertSame($request, $this->events[2]['request']);
}
