mageekguy\atoum\runner::addObserver PHP Method

    public function addObserver(observer $observer)
    {
        $this->observers->attach($observer);
        return $this;
    }

 public function testCallObservers()
 {
     $this->if($runner = new testedClass())->then->object($runner->callObservers(atoum\runner::runStart))->isIdenticalTo($runner)->if($runner->addObserver($observer = new \mock\mageekguy\atoum\observers\runner()))->then->object($runner->callObservers(atoum\runner::runStart))->isIdenticalTo($runner)->mock($observer)->call('handleEvent')->withArguments(atoum\runner::runStart, $runner)->once();
 }