Exemplo n.º 1
0
void ServerInfo::processServer(const RootEntity &svr)
{
    Atlas::Message::Element element;

    if (!svr->copyAttr("ruleset", element) && element.isString()) {
        _ruleset = element.String();
    } else {
        return;
    }

    _name = svr->getName();
    if (!svr->copyAttr("clients", element) && element.isInt()) {
        _clients = (int)element.Int();
    } else {
        return;
    }
    if (!svr->copyAttr("server", element) && element.isString()) {
        _server = element.String();
    } else {
        return;
    }
    if (!svr->copyAttr("uptime", element) && element.isFloat()) {
        _uptime = element.Float();
    } else {
        return;
    }

    m_status = VALID;

    if (!svr->copyAttr("entities", element) && element.isInt()) {
        _entities = element.Int();
    }
    
    if (!svr->copyAttr("version", element) && element.isString()) {
        m_version = element.String();
    }
    
    if (!svr->copyAttr("builddate", element) && element.isString()) {
        m_buildDate = element.String();
    }

	if (!svr->copyAttr("assets", element) && element.isList()) {
		for (auto& url : element.List()) {
			if (url.isString()) {
				m_assets.emplace_back(url.String());
			}
		}
	}

}
Exemplo n.º 2
0
void ServerInfo::processServer(const RootEntity &svr)
{
    Atlas::Message::Element element;

    if (!svr->copyAttr("ruleset", element) && element.isString()) {
        _ruleset = element.asString();
    } else {
        return;
    }

    _name = svr->getName();
    if (!svr->copyAttr("clients", element) && element.isInt()) {
        _clients = element.asInt();
    } else {
        return;
    }
    if (!svr->copyAttr("server", element) && element.isString()) {
        _server = element.asString();
    } else {
        return;
    }
    if (!svr->copyAttr("uptime", element) && element.isFloat()) {
        _uptime = element.asFloat();
    } else {
        return;
    }

    m_status = VALID;

    if (!svr->copyAttr("entities", element) && element.isInt()) {
        _entities = element.asInt();
    }
    
    if (!svr->copyAttr("version", element) && element.isString()) {
        m_version = element.asString();
    }
    
    if (!svr->copyAttr("builddate", element) && element.isString()) {
        m_buildDate = element.asString();
    }
}
Exemplo n.º 3
0
void StaticAdapter::updateGui(const ::Atlas::Message::Element& element)
{
	SelfUpdateContext context(*this);
	
	if (mTextWindow) {
		if (element.isString()) {
			mTextWindow->setText(element.asString());
		} else if (element.isNum()) {
			std::stringstream ss;
			ss << element.asNum();
			mTextWindow->setText(ss.str());
		}
	}
}
Exemplo n.º 4
0
void EmberEntity::onImaginary(const Atlas::Objects::Root& act)
{
  Atlas::Message::Element attr;
  if (act->copyAttr("description", attr) && attr.isString()) {
    std::string message = getName() + " " + attr.asString() + ".";

    ConsoleBackend::getSingletonPtr()->pushMessage(message, "info");

    S_LOG_VERBOSE("Entity: " << this->getId() << " (" << this->getName() << ") imaginary: " << attr.String());
  }

  Entity::onImaginary(act);

}
Exemplo n.º 5
0
void EntityProperty::set(const Atlas::Message::Element & val)
{
    // INT id?
    if (val.isString()) {
        const std::string & id = val.String();
        if (m_data.get() == 0 || m_data->getId() != id) {
            debug(std::cout << "Assigning " << id << std::endl << std::flush;);
            if (id.empty()) {
                m_data = EntityRef(0);
            } else {
                LocatedEntity * e = BaseWorld::instance().getEntity(id);
                if (e != 0) {
                    debug(std::cout << "Assigned" << std::endl << std::flush;);
                    m_data = EntityRef(e);
                }
Exemplo n.º 6
0
Py::Object CyPy_Element::wrap(Atlas::Message::Element value)
{
    if (value.isNone()) {
        return Py::None();
    } else if (value.isString()) {
        return Py::String(value.String());
    } else if (value.isInt()) {
        return Py::Long(value.Int());
    } else if (value.isFloat()) {
        return Py::Float(value.Float());
    } else if (value.isList()) {
        return CyPy_ElementList::wrap(value.List());
    } else {
        return CyPy_ElementMap::wrap(value.Map());
    }
}
Exemplo n.º 7
0
void Property<std::string>::set(const Atlas::Message::Element & e)
{
    if (e.isString()) {
        this->m_data = e.String();
    }
}
Exemplo n.º 8
0
void EntityImporterBase::errorArrived(const Operation & op, OpVector & res)
{
    std::string errorMessage;
    if (!op->getArgs().empty()) {
        auto arg = op->getArgs().front();
        if (arg->hasAttr("message")) {
            const Atlas::Message::Element messageElem = arg->getAttr("message");
            if (messageElem.isString()) {
                errorMessage = messageElem.asString();
            }
        }
    }

    switch (m_state) {
    case RULE_WALKING:
    {
        //An error here just means that the rule we asked for didn't exist on the server, and we need
        //to create it. This is an expected result.
        auto& current = mRuleStack.back();
        auto definition = current.definition;
        assert(definition.isValid());

        createRule(definition, res);

    }
        break;
    case RULE_CREATING:
    {
        mStats.rulesProcessedCount++;
        mStats.rulesCreateErrorCount++;
        //An error here means that something went wrong when trying to create a rule. This is wrong.
        //It probably means that there's something wrong with the data we're sending.
        auto& current = mRuleStack.back();

        std::string ruleId = current.definition->getId();
        S_LOG_FAILURE("Could not create rule with id '" << ruleId << "', continuing with next. Server message: " << errorMessage);
        EventProgress.emit();
        walkRules(res);
    }
        break;
    case RULE_UPDATING:
    {
        mStats.rulesProcessedCount++;
        //An error here means that something went wrong when trying to update a rule. This is wrong.
        //It probably means that there's something wrong with the data we're sending.
        auto& current = mRuleStack.back();

        std::string ruleId = current.definition->getId();
        S_LOG_FAILURE("Could not update rule with id '" << ruleId << "', continuing with next. Server message: " << errorMessage);
        mStats.rulesCreateErrorCount++;
        EventProgress.emit();
        walkRules(res);
    }
        break;
    case ENTITY_WALKING:
    {
        //An error here just means that the entity we asked for didn't exist on the server, and we need
        //to create it. This is an expected result.
        assert(!mTreeStack.empty());
        StackEntry & current = mTreeStack.back();
        const RootEntity& obj = current.obj;

        assert(obj.isValid());

        createEntity(obj, res);
    }
        break;
    case ENTITY_CREATING:
    {
        //An error here means that something went wrong when trying to create an entity. This is wrong.
        //It probably means that there's something wrong with the data we're sending. Either the
        //persisted data is corrupt, or there have been changes on the server (for example entity types
        //renamed or removed).
        std::string entityType = "unknown";

        auto I = mCreateEntityMapping.find(op->getRefno());
        if (I != mCreateEntityMapping.end()) {
            auto J = mPersistedEntities.find(I->second);
            if (J != mPersistedEntities.end()) {
                auto& entity = J->second;
                entityType = entity->getParent();
            }
        }
        S_LOG_FAILURE("Could not create entity of type '" << entityType << "', continuing with next. Server message: " << errorMessage);
        mStats.entitiesCreateErrorCount++;
        EventProgress.emit();
        walkEntities(res);
    }
        break;
    default:
        S_LOG_FAILURE("Unexpected state in state machine: " << m_state << ". Server message: " << errorMessage);
        break;
    };
}
Exemplo n.º 9
0
int main()
{
    // Test constructor
    {
        new LocatedEntityTest("1", 1);
    }

    // Test destructor
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        delete e;
    }

    // Test checkRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        assert(e->checkRef() == 0);
        delete e;
    }

    // Test incRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->incRef();
        assert(e->checkRef() == 1);
        delete e;
    }

    // Test decRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->incRef();
        e->decRef();
        assert(e->checkRef() == 0);
        delete e;
    }

    // Test decRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->decRef();
        // Enitity deleted - verified as not leaked
    }

    // Test setAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->setAttr("foo", "bar");
        e->decRef();
    }
    
    // Test setAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->setAttr("foo", "bar");
        e->setAttr("foo", 23);
        e->decRef();
    }

    // Test getAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttr("foo", val);
        assert(ret == -1);
        assert(val.isNone());
        e->decRef();
    }

    // Test getAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        e->setAttr("foo", "bar");
        int ret = e->getAttr("foo", val);
        assert(ret == 0);
        assert(val.isString());
        e->decRef();
    }

    // Test getAttrType()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttrType("foo", val, Element::TYPE_STRING);
        assert(ret == -1);
        assert(val.isNone());
        e->decRef();
    }

    // Test getAttrType()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttrType("id", val, Element::TYPE_STRING);
        assert(ret == 0);
        assert(val.isString());
        e->decRef();
    }

    // Test getAttrType()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttrType("id", val, Element::TYPE_FLOAT);
        assert(ret != 0);
        assert(val.isString());
        e->decRef();
    }

    // Test hasAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        bool ret = e->hasAttr("foo");
        assert(ret == false);
        e->decRef();
    }

    // Test hasAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        e->setAttr("foo", "bar");
        bool ret = e->hasAttr("foo");
        assert(ret == true);
        e->decRef();
    }

    LocatedEntitytest t;

    return t.run();
}
Exemplo n.º 10
0
int main(int argc, char ** argv)
{
    loadConfig(argc, argv);

    database_flag = false;

    init_python_api();

    int ret;

    {
        World e("1", 1);
        TestWorld test_world(e);
        Anonymous attributes;

        EntityBuilder::init(test_world);
        Ruleset::init();

        assert(Ruleset::instance() != 0);

        assert(EntityBuilder::instance() != 0);

        assert(EntityBuilder::instance()->newEntity("1", 1, "world", attributes) == 0);
        assert(EntityBuilder::instance()->newEntity("1", 1, "nonexistant", attributes) == 0);
        assert(EntityBuilder::instance()->newEntity("1", 1, "thing", attributes) != 0);

        Ruleset::del();
        assert(Ruleset::instance() == 0);
        EntityBuilder::del();
        assert(EntityBuilder::instance() == 0);
        Inheritance::clear();
    }

    {
        World e("1", 1);
        TestWorld test_world(e);
        Anonymous attributes;
        Atlas::Message::Element val;

        EntityBuilder::init(test_world);
        Ruleset::init();

        assert(Ruleset::instance() != 0);

        Entity * test_ent = EntityBuilder::instance()->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        assert(!test_ent->getAttr("funky", val));
        assert(val.isNone());

        attributes->setAttr("funky", "true");

        test_ent = EntityBuilder::instance()->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        Ruleset::del();
        assert(Ruleset::instance() == 0);
        EntityBuilder::del();
        assert(EntityBuilder::instance() == 0);
        Inheritance::clear();
    }

    {
        // Create a test world.
        World e("1", 1);
        TestWorld test_world(e);
        Atlas::Message::Element val;

        // Instance of EntityBuilder with all protected methods exposed
        // for testing
        ExposedEntityBuilder * entity_factory = new ExposedEntityBuilder(test_world);
        // Instance of Ruleset with all protected methods exposed
        // for testing
        EntityBuilder * test_eb = EntityBuilder::instance();
        assert(test_eb == entity_factory);
        ExposedRuleset test_ruleset(test_eb);

        // Attributes for test entities being created
        Anonymous attributes;

        // Create an entity which is an instance of one of the core classes
        Entity * test_ent = test_eb->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        // Check the created entity does not have the attribute values we
        // will be testing later
        assert(!test_ent->getAttr("funky", val));
        assert(val.isNone());

        // Set a test attribute
        attributes->setAttr("funky", "true");

        // Create another entity, and check that it has picked up the new
        // attribute value
        test_ent = test_eb->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Check that creating an entity of a type we know we have not yet
        // installed results in a null pointer.
        assert(test_eb->newEntity("1", 1, "custom_type", attributes) == 0);

        // Set up a type description for a new type, and install it.
        {
            Root custom_type_description;
            MapType attrs;
            MapType test_custom_type_attr;
            test_custom_type_attr["default"] = "test_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["test_custom_type_attr"] = test_custom_type_attr;
            custom_type_description->setAttr("attributes", attrs);
            custom_type_description->setId("custom_type");
            custom_type_description->setParents(std::list<std::string>(1, "thing"));

            std::string dependent, reason;
            ret = test_ruleset.installEntityClass("custom_type", "thing", custom_type_description, dependent, reason);

            assert(ret == 0);
            assert(dependent.empty());
            assert(reason.empty());
        }

        // Check that the factory dictionary now contains a factory for
        // the custom type we just installed.
        EntityKit * custom_type_factory = test_eb->getClassFactory("custom_type");
        assert(custom_type_factory != 0);

        // Check the factory has the attributes we described on the custom
        // type.
        MapType::const_iterator J = custom_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        // Create an instance of our custom type, ensuring that it works.
        test_ent = test_eb->newEntity("1", 1, "custom_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        // Check that creating an entity of a type we know we have not yet
        // installed results in a null pointer.
        assert(test_eb->newEntity("1", 1, "custom_inherited_type", attributes) == 0);

        // Set up a type description for a second new type which inherits
        // from the first, and install it.
        {
            Root custom_inherited_type_description;
            MapType attrs;
            MapType test_custom_type_attr;
            test_custom_type_attr["default"] = "test_inherited_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["test_custom_inherited_type_attr"] = test_custom_type_attr;
            custom_inherited_type_description->setAttr("attributes", attrs);
            custom_inherited_type_description->setId("custom_inherited_type");
            custom_inherited_type_description->setParents(std::list<std::string>(1, "custom_type"));

            std::string dependent, reason;
            ret = test_ruleset.installEntityClass("custom_inherited_type", "custom_type", custom_inherited_type_description, dependent, reason);

            assert(ret == 0);
            assert(dependent.empty());
            assert(reason.empty());
        }

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        EntityKit * custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory has inherited the attributes from the
        // first custom type
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        // Check that the factory has the attributes specified when installing
        // it
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_inherited_value");

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // second custom type was installed
        assert(test_ent->getAttr("test_custom_inherited_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_inherited_value");

        // FIXME TODO Modify a type, and ensure attribute propagate to inherited types.

        // Make sure than attempting to modify a non-existant type fails
        {
            Anonymous nonexistant_description;
            MapType attrs;
            MapType test_custom_type_attr;

            test_custom_type_attr["default"] = "no_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["no_custom_type_attr"] = test_custom_type_attr;

            nonexistant_description->setId("nonexistant");
            nonexistant_description->setAttr("attributes", attrs);

            ret = test_ruleset.modifyRule("nonexistant", nonexistant_description);

            assert(ret != 0);
        }

        // Modify the second custom type removing its custom attribute
        {
            Anonymous new_custom_inherited_type_description;
            new_custom_inherited_type_description->setId("custom_inherited_type");
            new_custom_inherited_type_description->setAttr("attributes", MapType());

            // No parents
            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);
            assert(ret != 0);

            // empty parents
            new_custom_inherited_type_description->setParents(std::list<std::string>());

            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);
            assert(ret != 0);

            // wrong parents
            new_custom_inherited_type_description->setParents(std::list<std::string>(1, "wrong_parent"));

            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);
            assert(ret != 0);

            new_custom_inherited_type_description->setParents(std::list<std::string>(1, "custom_type"));

            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);

            assert(ret == 0);
        }

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory has inherited the attributes from the
        // first custom type
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        // Check that the factory no longer has the attributes we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Make sure test nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant", val));
        // Make sure nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant_attribute", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // second custom type was installed
        assert(!test_ent->getAttr("test_custom_inherited_type_attr", val));

        // Modify the first custom type removing its custom attribute
        {
            Anonymous new_custom_type_description;
            new_custom_type_description->setId("custom_type");
            new_custom_type_description->setAttr("attributes", MapType());
            new_custom_type_description->setParents(std::list<std::string>(1, "thing"));

            ret = test_ruleset.modifyRule("custom_type", new_custom_type_description);

            assert(ret == 0);
        }

        // Check that the factory dictionary now contains a factory for
        // the custom type we just installed.
        custom_type_factory = test_eb->getClassFactory("custom_type");
        assert(custom_type_factory != 0);

        // Check the factory has the attributes we described on the custom
        // type.
        J = custom_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J == custom_type_factory->m_attributes.end());

        // Create an instance of our custom type, ensuring that it works.
        test_ent = test_eb->newEntity("1", 1, "custom_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type no longer has the custom attribute
        assert(!test_ent->getAttr("test_custom_type_attr", val));

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory no longer has inherited the attributes
        // from the first custom type which we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Check that the factory no longer has the attributes we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Make sure test nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant", val));
        // Make sure nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant_attribute", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(!test_ent->getAttr("test_custom_type_attr", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // second custom type was installed
        assert(!test_ent->getAttr("test_custom_inherited_type_attr", val));

        // Add more custom attributes to the first type
        {
            Anonymous new_custom_type_description;
            MapType attrs;
            MapType test_custom_type_attr;

            test_custom_type_attr["default"] = "test_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["test_custom_type_attr"] = test_custom_type_attr;

            MapType new_custom_type_attr;

            new_custom_type_attr["default"] = "new_value";
            new_custom_type_attr["visibility"] = "public";
            attrs["new_custom_type_attr"] = new_custom_type_attr;

            new_custom_type_description->setId("custom_type");
            new_custom_type_description->setAttr("attributes", attrs);
            new_custom_type_description->setParents(std::list<std::string>(1, "thing"));

            ret = test_ruleset.modifyRule("custom_type", new_custom_type_description);

            assert(ret == 0);
            
        }

        // Check that the factory dictionary now contains a factory for
        // the custom type we just installed.
        custom_type_factory = test_eb->getClassFactory("custom_type");

        // Check the factory has the attributes we described on the custom
        // type.
        J = custom_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        J = custom_type_factory->m_attributes.find("new_custom_type_attr");
        assert(J != custom_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "new_value");

        // Create an instance of our custom type, ensuring that it works.
        test_ent = test_eb->newEntity("1", 1, "custom_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type now has the custom attributes
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        assert(test_ent->getAttr("new_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "new_value");

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory now has inherited the attributes
        // from the first custom type
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        J = custom_inherited_type_factory->m_attributes.find("new_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "new_value");

        // Check that the factory no longer has the attributes we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Make sure test nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant", val));
        // Make sure nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant_attribute", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        assert(test_ent->getAttr("new_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "new_value");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type no longer has the attribute described when the
        // second custom type was installed
        assert(!test_ent->getAttr("test_custom_inherited_type_attr", val));

    }
}