Symfony\Component\HttpKernel\Tests\EventListener\DebugHandlersListenerTest::testConsoleEvent PHP Method

    public function testConsoleEvent()
    {
        $dispatcher = new EventDispatcher();
        $listener = new DebugHandlersListener(null);
        $app = $this->getMockBuilder('Symfony\Component\Console\Application')->getMock();
        $app->expects($this->once())->method('getHelperSet')->will($this->returnValue(new HelperSet()));
        $command = new Command(__FUNCTION__);
        $command->setApplication($app);
        $event = new ConsoleEvent($command, new ArgvInput(), new ConsoleOutput());

        $dispatcher->addSubscriber($listener);

        $xListeners = array(
            KernelEvents::REQUEST => array(array($listener, 'configure')),
            ConsoleEvents::COMMAND => array(array($listener, 'configure')),
        );
        $this->assertSame($xListeners, $dispatcher->getListeners());

        $exception = null;
        $eHandler = new ErrorHandler();
        set_error_handler(array($eHandler, 'handleError'));
        set_exception_handler(array($eHandler, 'handleException'));
        try {
            $dispatcher->dispatch(ConsoleEvents::COMMAND, $event);
        } catch (\Exception $exception) {
        }
        restore_exception_handler();
        restore_error_handler();

        if (null !== $exception) {
            throw $exception;
        }

        $xHandler = $eHandler->setExceptionHandler('var_dump');
        $this->assertInstanceOf('Closure', $xHandler);

        $app->expects($this->once())
            ->method('renderException');

        $xHandler(new \Exception());
    }