def test_register_service(self):
"""
Registering and deregistering twisted services
Verifies:
* only specified service is added and removed
"""
manager = ModuleManager()
module = Bar()
manager.register_service(module.foo)
self.assert_(module.foo in manager._services)
manager.register_service(module.bar)
self.assert_(module.foo in manager._services)
self.assert_(module.bar in manager._services)
services = manager.get_services()
self.assert_("foo return" in services)
self.assert_("bar return" in services)
manager.deregister_service(module.bar)
self.assert_(module.foo in manager._services)
self.assertFalse(module.bar in manager._services)
manager.deregister_service(module.foo)
self.assertFalse(module.foo in manager._services)
