/**

 * 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");

        }

    }

}