/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.mojo;

 import java.net.URL;

 import javax.xml.XMLConstants;

 import javax.xml.parsers.DocumentBuilderFactory;

 import javax.xml.xpath.XPathConstants;

 import javax.xml.xpath.XPathExpression;

 import javax.xml.xpath.XPathFactory;

 import org.testng.annotations.Test;

 import org.xml.sax.InputSource;

 import static org.testng.Assert.*;

 import org.w3c.dom.Document;

 import org.w3c.dom.NodeList;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public class ArchetypeVersionTest {

     public ArchetypeVersionTest() {

     }

     @Test public void testCompareOwnAndArchtetypeVersion() throws Exception {

         final ClassLoader l = ArchetypeVersionTest.class.getClassLoader();

         URL u = l.getResource("META-INF/maven/org.apidesign.bck2brwsr/mojo/plugin-help.xml");

         assertNotNull(u, "Own pom found");

         final XPathFactory fact = XPathFactory.newInstance();

         fact.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);

         XPathExpression xp = fact.newXPath().compile("plugin/version/text()");

         String version = xp.evaluate(new InputSource(u.openStream()));

         assertFalse(version.isEmpty(), "There should be some version string");

         URL r = l.getResource("archetype-resources/pom.xml");

         assertNotNull(r, "Archetype pom found");

         XPathExpression xp2 = fact.newXPath().compile(

             "//version[../groupId/text() = 'org.apidesign.bck2brwsr']/text()"

         );

         Document dom = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(r.openStream());

         NodeList arch = (NodeList) xp2.evaluate(dom, XPathConstants.NODESET);

         if (arch.getLength() < 3) {

             fail("There should be at least three dependencies to bck2brwsr APIs: " + arch.getLength());

         }

         for (int i = 0; i < arch.getLength(); i++) {

             assertEquals(arch.item(i).getTextContent(), version, i + "th dependency needs to be on latest version of bck2brwsr");

         }

     }

 }