eZ\Bundle\EzPublishRestBundle\DependencyInjection\Compiler\InputHandlerPass::process PHP Method

    public function process(ContainerBuilder $container)
    {
        if (!$container->hasDefinition('ezpublish_rest.input.dispatcher')) {
            return;
        }
        $definition = $container->getDefinition('ezpublish_rest.input.dispatcher');
        // @todo rethink the relationships between registries. Rename if required.
        foreach ($container->findTaggedServiceIds('ezpublish_rest.input.handler') as $id => $attributes) {
            foreach ($attributes as $attribute) {
                if (!isset($attribute['format'])) {
                    throw new \LogicException('ezpublish_rest.input.handler service tag needs a "format" attribute to identify the input handler. None given.');
                }
                $definition->addMethodCall('addHandler', array($attribute['format'], new Reference($id)));
            }
        }
    }

 public function testProcess()
 {
     $visitorDefinition = new Definition();
     $visitorDefinition->addTag('ezpublish_rest.input.handler', array('format' => 'test'));
     $containerBuilder = new ContainerBuilder();
     $containerBuilder->addDefinitions(array('ezpublish_rest.input.dispatcher' => new Definition(), 'ezpublish_rest.input.handler.test' => $visitorDefinition));
     $compilerPass = new InputHandlerPass();
     $compilerPass->process($containerBuilder);
     $dispatcherMethodCalls = $containerBuilder->getDefinition('ezpublish_rest.input.dispatcher')->getMethodCalls();
     self::assertTrue(isset($dispatcherMethodCalls[0][0]), "Failed asserting that dispatcher has a method call");
     self::assertEquals('addHandler', $dispatcherMethodCalls[0][0], "Failed asserting that called method is 'addParser'");
     self::assertInstanceOf('Symfony\\Component\\DependencyInjection\\Reference', $dispatcherMethodCalls[0][1][1], "Failed asserting that method call is to a Reference object");
     self::assertEquals('ezpublish_rest.input.handler.test', $dispatcherMethodCalls[0][1][1]->__toString(), "Failed asserting that Referenced service is 'ezpublish_rest.input.handler.test'");
 }