src/test/java/org/onap/aai/modelloader/util/JsonXmlConverterTest.java


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/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 European Software Marketing Ltd.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.onap.aai.modelloader.util;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.ByteArrayInputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.junit.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class JsonXmlConverterTest {

    @Test
    public void testConversion() throws Exception {
        final String XML_MODEL_FILE = "src/test/resources/models/l3-network-widget.xml";
        final String JSON_MODEL_FILE = "src/test/resources/models/l3-network-widget.json";

        try {
            byte[] encoded = Files.readAllBytes(Paths.get(XML_MODEL_FILE));
            String originalXML = new String(encoded);

            assertFalse(JsonXmlConverter.isValidJson(originalXML));

            encoded = Files.readAllBytes(Paths.get(JSON_MODEL_FILE));
            String originalJSON = new String(encoded);

            assertTrue(JsonXmlConverter.isValidJson(originalJSON));

            String xmlFromJson = JsonXmlConverter.convertJsonToXml(originalJSON);

            // Spot check one of the attributes
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
            DocumentBuilder builder = factory.newDocumentBuilder();
            Document doc = builder.parse(new ByteArrayInputStream(xmlFromJson.getBytes()));
            NodeList nodeList = doc.getDocumentElement().getChildNodes();

            String modelVid = "notFound";
            for (int i = 0; i < nodeList.getLength(); i++) {
                Node currentNode = nodeList.item(i);
                if (currentNode.getNodeName().equals("model-invariant-id")) {
                    modelVid = currentNode.getTextContent();
                    break;
                }
            }

            assertTrue(modelVid.equals("3d560d81-57d0-438b-a2a1-5334dba0651a"));
        } catch (Exception e) {
            e.printStackTrace();
            assertTrue(false);
        }
    }
}