AnnotationParser.java

/**
 * Copyright (C) 2010 - 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.
 *
 * 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.r;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.List;

import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.n52.wps.server.r.metadata.RAnnotationParser;
import org.n52.wps.server.r.syntax.RAnnotation;
import org.n52.wps.server.r.syntax.RAnnotationException;
import org.n52.wps.server.r.syntax.RAnnotationType;
import org.n52.wps.server.r.syntax.RAttribute;
import org.n52.wps.server.r.syntax.ResourceAnnotation;

public class AnnotationParser {

    private static R_Config config;

    private List<RAnnotation> annotations;

    @BeforeClass
    public static void initConfig() {
        config = R_Config.getInstance();
    }

    @Before
    public void loadAnnotations() throws IOException, RAnnotationException {
        File scriptFile = Util.loadFile("/uniform.R");

        // GenericRProcess process = new GenericRProcess("R_andom");
        FileInputStream fis = new FileInputStream(scriptFile);
        RAnnotationParser parser = new RAnnotationParser(config);
        this.annotations = parser.parseAnnotationsfromScript(fis);
        fis.close();
    }

    @Test
    public void description() throws RAnnotationException {
        for (RAnnotation rAnnotation : this.annotations) {
            if (rAnnotation.getType().equals(RAnnotationType.DESCRIPTION)) {
                Assert.assertEquals("42", rAnnotation.getStringValue(RAttribute.VERSION));
                Assert.assertEquals("Random number generator", rAnnotation.getStringValue(RAttribute.TITLE));
                Assert.assertEquals("MC++", rAnnotation.getStringValue(RAttribute.AUTHOR));
                Assert.assertEquals("Generates random numbers with uniform distribution",
                                    rAnnotation.getStringValue(RAttribute.ABSTRACT));
                Assert.assertEquals("R_andom", rAnnotation.getStringValue(RAttribute.IDENTIFIER));
            }
            else if (rAnnotation.getType().equals(RAnnotationType.OUTPUT)) {
                // output, text, Random number list,
                Assert.assertEquals("output", rAnnotation.getStringValue(RAttribute.IDENTIFIER));
                Assert.assertEquals("text", rAnnotation.getStringValue(RAttribute.TYPE));
                Assert.assertEquals("Random number list", rAnnotation.getStringValue(RAttribute.TITLE));
                Assert.assertEquals("Text file with list of n random numbers in one column",
                                    rAnnotation.getStringValue(RAttribute.ABSTRACT));
            }
            else if (rAnnotation.getType().equals(RAnnotationType.INPUT)) {
                String identifier = rAnnotation.getStringValue(RAttribute.IDENTIFIER);
                if ("n".equals(identifier)) {
                    Assert.assertEquals("integer", rAnnotation.getStringValue(RAttribute.TYPE));
                    Assert.assertEquals("amount of random numbers", rAnnotation.getStringValue(RAttribute.TITLE));
                    Assert.assertEquals("100", rAnnotation.getStringValue(RAttribute.DEFAULT_VALUE));
                    Assert.assertEquals("0", rAnnotation.getStringValue(RAttribute.MIN_OCCURS));
                }
            }
        }
    }

    @Test
    public void resource() {
        for (RAnnotation rAnnotation : this.annotations) {
            if (rAnnotation.getType().equals(RAnnotationType.RESOURCE)) {
                ResourceAnnotation resourceAnnotation = (ResourceAnnotation) rAnnotation;
                String value = resourceAnnotation.getResources().get(0).getResourceValue();
                Assert.assertEquals("test.file.txt", value);
            }
        }

    }

}