uk.ac.diamond.scisoft.analysis.io.DatLoaderTest.java Source code

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Here is the source code for uk.ac.diamond.scisoft.analysis.io.DatLoaderTest.java

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/*
 * Copyright (c) 2012 Diamond Light Source Ltd.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

package uk.ac.diamond.scisoft.analysis.io;

import java.util.Collection;
import java.util.Map;

import org.apache.commons.lang.SerializationUtils;
import org.eclipse.dawnsci.analysis.api.dataset.ILazyDataset;
import org.eclipse.dawnsci.analysis.api.io.IDataHolder;
import org.eclipse.dawnsci.analysis.api.metadata.IMetadata;
import org.eclipse.dawnsci.analysis.dataset.impl.Dataset;
import org.junit.Test;

public class DatLoaderTest {

    /**
     * This method tests for SciSoft trac #496
     */
    @Test
    public void testFeKedge_1_15() throws Exception {

        final String testfile1 = "testfiles/gda/analysis/io/DatLoaderTest/FeKedge_1_15.dat";
        final DataHolder dh = new DatLoader(testfile1).loadFile();
        if (dh.getNames().length != 73)
            throw new Exception("There should be 73 columns!");

        // Test some of the data
        if (dh.getDataset("Energy").getDouble(0) != 6912.0000d)
            throw new Exception("The first value of energy should be 6912.0000!");
        if (dh.getDataset("Energy").getDouble(488) != 7962.0000d)
            throw new Exception("The 488 value of energy should be 7962.0000!");

        if (dh.getDataset("Element 1").getDouble(0) != -39259.72d)
            throw new Exception("The first value of Element 1 should be -39259.72!");
        if (dh.getDataset("Element 1").getDouble(488) != 327272.07d)
            throw new Exception("The 488 value of energy should be 327272.07!");
    }

    /**
     * This method tests for SciSoft trac #496
     */
    @Test
    public void testMoFoil() throws Exception {

        final String testfile1 = "testfiles/gda/analysis/io/DatLoaderTest/MoFoil.dat";
        final DataHolder dh = new DatLoader(testfile1).loadFile();
        if (dh.getNames().length != 13)
            throw new Exception("There should be 13 columns!");

        if (dh.getDataset("Unknown").getDouble(0) != 3556d)
            throw new Exception("The first value of Unknown should be 3556!");
        if (dh.getDataset("Unknown").getDouble(898) != 1067d)
            throw new Exception("The 898 value of Unknown should be 1067!");
    }

    /**
     * This method tests for SciSoft trac #496
     */
    @Test
    public void testMoFoilLoaderFactory() throws Exception {

        final String testfile1 = "testfiles/gda/analysis/io/DatLoaderTest/MoFoil.dat";
        final IDataHolder dh = LoaderFactory.getData(testfile1, null);
        if (dh.getNames().length != 13)
            throw new Exception("There should be 13 columns!");

        if (dh.getDataset("Unknown").getDouble(0) != 3556d)
            throw new Exception("The first value of Unknown should be 3556!");
        if (dh.getDataset("Unknown").getDouble(898) != 1067d)
            throw new Exception("The 898 value of Unknown should be 1067!");
    }

    /**
     * This method tests for SciSoft trac #496
     */
    @Test
    public void testMoFoilLoaderFactoryMeta() throws Exception {

        final String testfile1 = "testfiles/gda/analysis/io/DatLoaderTest/MoFoil.dat";
        final IMetadata meta = LoaderFactory.getMetadata(testfile1, null);
        if (meta.getDataNames().size() != 13)
            throw new Exception("There should be 13 columns!");

        if (!meta.getDataNames().contains("(13 fluo channels)"))
            throw new Exception("There should be a (13 fluo channels) column!");
        if (meta.getDataNames().contains(""))
            throw new Exception("There should be no empty string column!");
    }

    /**
     * File with data but without a header line. Therefore the 
     * code has to work 
     * @throws Exception 
     */
    @Test
    public void testHorribleId143DatFile() throws Exception {

        final String testfile1 = "testfiles/gda/analysis/io/DatLoaderTest/bsa_013_01.dat";
        final IMetadata meta = LoaderFactory.getMetadata(testfile1, null);
        final Collection<String> names = meta.getDataNames();
        if (!names.contains("Unknown1"))
            throw new Exception("No Unknown1 in meta data!");
        if (!names.contains("Unknown2"))
            throw new Exception("No Unknown2 in meta data!");

        final IDataHolder dh = LoaderFactory.getData(testfile1, null);
        final Map<String, ILazyDataset> data = dh.toLazyMap();
        for (String name : data.keySet()) {
            if (!data.get(name).getName().equals(name))
                throw new Exception("DatLoader did not set dataset name correctly!");
        }
    }

    /**
     * File with data but without a header line. Therefore the 
     * code has to work 
     * @throws Exception 
     */
    @Test
    public void testPlainDatFile() throws Exception {

        final String testfile1 = "testfiles/gda/analysis/io/DatLoaderTest/noheader.dat";
        final IMetadata meta = LoaderFactory.getMetadata(testfile1, null);
        final Collection<String> names = meta.getDataNames();
        if (!names.contains("Column_1"))
            throw new Exception("No Unknown1 in meta data!");
        if (!names.contains("Column_2"))
            throw new Exception("No Unknown2 in meta data!");

        final IDataHolder dh = LoaderFactory.getData(testfile1, null);
        final Map<String, ILazyDataset> data = dh.toLazyMap();
        for (String name : data.keySet()) {
            if (!data.get(name).getName().equals(name))
                throw new Exception("DatLoader did not set dataset name correctly!");
        }
    }

    @Test
    public void testSerializability() throws Exception {
        DataHolder loader = new DatLoader("testfiles/gda/analysis/io/DatLoaderTest/MoFoil.dat").loadFile();
        Dataset data = loader.getDataset(0);
        SerializationUtils.serialize(data.getMetadata());
    }
}