SimpleBufferAlgorithmTest.java

/**
 * Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *       • Apache License, version 2.0
 *       • Apache Software License, version 1.0
 *       • GNU Lesser General Public License, version 3
 *       • Mozilla Public License, versions 1.0, 1.1 and 2.0
 *       • Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * License version 2 and the aforementioned licenses.
 *
 * As an exception to the terms of the GPL, you may copy, modify,
 * propagate, and distribute a work formed by combining 52°North WPS
 * GeoTools Modules with the Eclipse Libraries, or a work derivative of
 * such a combination, even if such copying, modification, propagation, or
 * distribution would otherwise violate the terms of the GPL. Nothing in
 * this exception exempts you from complying with the GPL in all respects
 * for all of the code used other than the Eclipse Libraries. You may
 * include this exception and its grant of permissions when you distribute
 * 52°North WPS GeoTools Modules. Inclusion of this notice with such a
 * distribution constitutes a grant of such permissions. If you do not wish
 * to grant these permissions, remove this paragraph from your
 * distribution. "52°North WPS GeoTools Modules" means the 52°North WPS
 * modules using GeoTools functionality - software licensed under version 2
 * or any later version of the GPL, or a work based on such software and
 * licensed under the GPL. "Eclipse Libraries" means Eclipse Modeling
 * Framework Project and XML Schema Definition software distributed by the
 * Eclipse Foundation and licensed under the Eclipse Public License Version
 * 1.0 ("EPL"), or a work based on such software and licensed under the EPL.
 *
 * 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.
 */
package org.n52.wps.server.algorithm;

import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import net.opengis.wps.x100.ProcessDescriptionType;

import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlOptions;
import org.apache.xmlbeans.XmlValidationError;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.slf4j.LoggerFactory;

import org.n52.wps.commons.WPSConfig;
import org.n52.wps.server.IAlgorithm;

/**
 *
 * @author tkunicki
 */
public class SimpleBufferAlgorithmTest {

    public SimpleBufferAlgorithmTest() {
    }

    @BeforeClass
    public static void setUpClass() {
        try {
            WPSConfig.forceInitialization("../52n-wps-io/src/test/resources/org/n52/wps/io/test/datahandler/generator/wps_config.xml");
        } catch (XmlException ex) {
            LoggerFactory.getLogger(SimpleBufferAlgorithmTest.class.getName()).error(ex.getMessage());
        } catch (IOException ex) {
            LoggerFactory.getLogger(SimpleBufferAlgorithmTest.class.getName()).error(ex.getMessage());
        }
    }

    @AfterClass
    public static void tearDownClass() {
    }

    @Before
    public void setUp() {
    }

    @After
    public void tearDown() {
    }

    @Test
    public void testProcessDescription() {
        IAlgorithm a = new SimpleBufferAlgorithm();
        printAlgorithmProcessDescription(a);
        assertTrue(validateAlgorithmProcessDescription(a));
    }

    private void printAlgorithmProcessDescription(IAlgorithm algorithm) {
        System.out.println();
        System.out.println(" ### DescribeProcess for " + algorithm.getClass().getName() + " ###");
        System.out.println(getXMLAsStringFromDescription(algorithm.getDescription()));
        System.out.println();
    }

    private boolean validateAlgorithmProcessDescription(IAlgorithm algorithm) {
        XmlOptions xmlOptions = new XmlOptions();
        List<XmlValidationError> xmlValidationErrorList = new ArrayList<XmlValidationError>();
            xmlOptions.setErrorListener(xmlValidationErrorList);
        boolean valid = algorithm.getDescription().validate(xmlOptions);
        if (!valid) {
            System.err.println("Error validating process description for " + getClass().getCanonicalName());
            for (XmlValidationError xmlValidationError : xmlValidationErrorList) {
                System.err.println("\tMessage: " +  xmlValidationError.getMessage());
                System.err.println("\tLocation of invalid XML: " +
                     xmlValidationError.getCursorLocation().xmlText());
            }
        }
        return valid;
    }

    private String getXMLAsStringFromDescription(ProcessDescriptionType decription) {
        XmlOptions options = new XmlOptions();
        options.setSavePrettyPrint();
        options.setSaveOuter();
        HashMap ns = new HashMap();
        ns.put("http://www.opengis.net/wps/1.0.0", "wps");
        ns.put("http://www.opengis.net/ows/1.1", "ows");
        options.setSaveNamespacesFirst().
                setSaveSuggestedPrefixes(ns).
                setSaveAggressiveNamespaces();
        return decription.xmlText(options);
    }
}