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package org.netbeans.html.archetype.test;

import java.io.IOException;

import java.net.URL;

import javax.xml.XMLConstants;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.xpath.XPathConstants;

import javax.xml.xpath.XPathExpression;

import javax.xml.xpath.XPathExpressionException;

import javax.xml.xpath.XPathFactory;

import javax.xml.xpath.XPathFactoryConfigurationException;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

import org.testng.annotations.BeforeClass;

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

import org.xml.sax.SAXException;

/**

 *

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

 */

public class ArchetypeVersionTest {

    private String version;

    public ArchetypeVersionTest() {

    }

    @BeforeClass public void readCurrentVersion() throws Exception {

        version = findCurrentVersion();

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

    }

    @Test public void testComparePomDepsVersions() throws Exception {

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

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

        assertNotNull(r, "Archetype pom found");

        final XPathFactory fact = XPathFactory.newInstance();

        XPathExpression xp2 = fact.newXPath().compile(

            "//properties/net.java.html.version/text()"

        );

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

        String arch = (String) xp2.evaluate(dom, XPathConstants.STRING);

        assertEquals(arch, version, "net.java.html.json dependency needs to be on latest version");

    }

    @Test public void testNbActions() throws Exception {

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

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

        assertNotNull(r, "Archetype nb file found");

        final XPathFactory fact = XPathFactory.newInstance();

        XPathExpression xp2 = fact.newXPath().compile(

            "//goal/text()"

        );

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

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

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

            String s = goals.item(i).getTextContent();

            if (s.contains("apidesign")) {

                assertFalse(s.matches(".*apidesign.*[0-9].*"), "No numbers: " + s);

            }

        }

    }

    static String findCurrentVersion() throws XPathExpressionException, IOException, ParserConfigurationException, SAXException, XPathFactoryConfigurationException {

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

        URL u = l.getResource("META-INF/maven/org.netbeans.html/knockout4j-archetype/pom.xml");

        assertNotNull(u, "Own pom found: " + System.getProperty("java.class.path"));

        final XPathFactory fact = XPathFactory.newInstance();

        fact.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);

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

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

        return xp.evaluate(dom);

    }

}