org.esa.cci.lc.conversion.RemapGraphCreatorTest.java Source code

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Here is the source code for org.esa.cci.lc.conversion.RemapGraphCreatorTest.java

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/*
 * Copyright (C) 2011 Brockmann Consult GmbH (info@brockmann-consult.de)
 * 
 * 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; either version 3 of the License, or (at your option)
 * any later version.
 * 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; if not, see http://www.gnu.org/licenses/
 */

package org.esa.cci.lc.conversion;

import org.apache.commons.lang.StringUtils;
import org.junit.Test;

import java.io.StringWriter;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * @author thomas
 */
public class RemapGraphCreatorTest {

    @Test
    public void testCreateGraph() throws Exception {
        StringWriter writer = new StringWriter();
        RemapGraphCreator.GraphWriter graphWriter = new RemapGraphCreator.GraphWriter(writer, "any_lut.csv");

        graphWriter.init(new String[] { "source_band", "chl", "sst", "tsm" });
        graphWriter.writeHeader();

        graphWriter.extendExpression("source_band", new String[] { "5", "3", "9", "2" });
        graphWriter.extendExpression("source_band", new String[] { "15", "0", "", "37" });

        graphWriter.finishExpressions();

        graphWriter.writeTargetBands();
        graphWriter.writeFooter("schlumpf");

        String result = removeSpaces(writer.toString());
        assertTrue(result.startsWith(removeSpaces(RemapGraphCreator.GraphWriter.GRAPH_HEAD)));
        assertTrue(
                result.endsWith(removeSpaces(String.format(RemapGraphCreator.GraphWriter.GRAPH_FOOT, "schlumpf"))));
        assertTrue(result.contains(removeSpaces("<name>chl</name>\n" + "    <expression>\n"
                + "    source_band == 5 ? 3 : source_band == 15 ? 0 : 0\n" + "    </expression>\n"
                + "    <description>chl as defined in any_lut.csv</description>")));
        assertTrue(result.contains(
                removeSpaces("<name>sst</name>\n" + "    <expression>\n" + "    source_band == 5 ? 9 : 0\n"
                        + "    </expression>\n" + "    <description>sst as defined in any_lut.csv</description>")));
        assertTrue(result.contains(removeSpaces("<name>tsm</name>\n" + "    <expression>\n"
                + "    source_band == 5 ? 2 : source_band == 15 ? 37 : 0\n" + "    </expression>\n"
                + "    <description>tsm as defined in any_lut.csv</description>")));
        assertEquals(3, StringUtils.countMatches(result, "<scalingFactor>0.01</scalingFactor>"));
    }

    private static String removeSpaces(String string) {
        return string.replaceAll("\\s", "");
    }
}