/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package transform.sort;

import static jaxp.library.JAXPTestUtilities.getSystemProperty;

import java.io.StringWriter;

import java.net.URI;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.util.List;

import javax.xml.transform.Result;

import javax.xml.transform.Source;

import javax.xml.transform.Templates;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.stream.StreamResult;

import javax.xml.transform.stream.StreamSource;

import org.testng.Assert;

import org.testng.annotations.BeforeClass;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Listeners;

import org.testng.annotations.Test;

/*

 * @test

 * @bug 8193830

 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest

 * @run testng/othervm -DrunSecMngr=true transform.sort.SortTest

 * @run testng/othervm transform.sort.SortTest

 * @summary verify xsl:sort lang attribute

 */

@Listeners({jaxp.library.FilePolicy.class})

public class SortTest {

    static final String LAND_EN = "en";

    static final String LAND_PL = "pl";

    static final String LAND_RU = "ru";

    String filepath;

    String slash = "";

    @BeforeClass

    public void setUpClass() throws Exception {

        String file1 = getClass().getResource("sort-alphabet-english.xml").getFile();

        if (getSystemProperty("os.name").contains("Windows")) {

            filepath = file1.substring(1, file1.lastIndexOf("/") + 1);

            slash = "/";

        } else {

            filepath = file1.substring(0, file1.lastIndexOf("/") + 1);

        }

    }

    /*

     * DataProvider fields:

     * lang, xml, xsl, gold file

     */

    @DataProvider(name = "parameters")

    public Object[][] getParameters() {

        return new Object[][]{

            {LAND_EN, "sort-alphabet-english.xml", "sort-alphabet-english.xsl", "sort-alphabet-english.out"},

            {LAND_PL, "sort-alphabet-polish.xml", "sort-alphabet-polish.xsl", "sort-alphabet-polish.out"},

            {LAND_RU, "sort-alphabet-russian.xml", "sort-alphabet-russian.xsl", "sort-alphabet-russian.out"},};

    }

    @Test(dataProvider = "parameters")

    public final void testTransform(String lang, String xml, String xsl, String gold)

            throws Exception {

        StringWriter sw = new StringWriter();

        // Create transformer factory

        TransformerFactory factory = TransformerFactory.newInstance();

        // Use the factory to create a template containing the xsl file

        Templates template = factory.newTemplates(new StreamSource(getClass().getResourceAsStream(xsl)));

        // Use the template to create a transformer

        Transformer xformer = template.newTransformer();

        xformer.setParameter("lang", lang);

        // Prepare the input and output files

        Source source = new StreamSource(getClass().getResourceAsStream(xml));

        /*

             * The following may be used to produce gold files.

             * Using however the original gold files, and compare without considering

             * the format

         */

        //String output = getClass().getResource(gold).getPath();

        //Result result = new StreamResult(new FileOutputStream(output));

        // use the following to verify the output against the pre-generated one

        Result result = new StreamResult(sw);

        // Apply the xsl file to the source file and write the result to the

        // output file

        xformer.transform(source, result);

        String out = sw.toString();

        List<String> lines = Files.readAllLines(Paths.get(filepath + gold));

        String[] resultLines = out.split("\n");

        int i = 0;

        // the purpose is to test sort, so ignore the format of the output

        for (String line : lines) {

            Assert.assertEquals(resultLines[i++].trim(), line.trim());

        }

    }

}