uq.setSessionId(crawlerContext.sessionId);
            uq.setUrl(childUrl);
            uq.setMetaData(metaData);
            childList.add(uq);
            urlQueueService.offerAll(crawlerContext.sessionId, childList);
        }
    }

    protected boolean isValid(final UrlQueue<?> urlQueue) {
        if ((urlQueue == null) || StringUtil.isBlank(urlQueue.getUrl())

        _ * protocolProject.getName() >> 'name'

        expect:
        def model = adapter.adapt(TestModel.class, protocolModel)
        model.childList.size() == 1
        model.childList[0] instanceof TestProject
        model.childList[0].name == 'name'
    }

    def adaptsMapElements() {
        TestProtocolModel protocolModel = Mock()
        TestProtocolProject protocolProject = Mock()

        attributes.put("nullValue", null);
        attributes.put(null, "nullKey");
        List<XmlNode> childList = new ArrayList<>();
        childList.add(null);
        Xpp3Dom dom2 = new Xpp3Dom(new XmlNodeImpl(dom.getName(), null, attributes, childList, null));

        assertNotEquals(dom, dom2);
        assertNotEquals(dom2, dom);
    }

    /**