RegisterEventListenersAndSubscribersPass example

$container = $this->createBuilder(true);

        $this->process($container);

        $this->assertEquals([], $container->getDefinition('doctrine.dbal.default_connection.event_manager')->getMethodCalls());

        $this->assertEquals([], $container->getDefinition('doctrine.dbal.second_connection.event_manager')->getMethodCalls());
    }

    private function process(ContainerBuilder $container)
    {
        $pass = new RegisterEventListenersAndSubscribersPass('doctrine.connections', 'doctrine.dbal.%s_connection.event_manager', 'doctrine');
        $pass->process($container);
    }

    private function createBuilder($multipleConnections = false)
    {
        $container = new ContainerBuilder();

        $connections = ['default' => 'doctrine.dbal.default_connection'];

        $container->register('doctrine.dbal.default_connection.event_manager', ContainerAwareEventManager::class)
            ->addArgument(new Reference('service_container'));