/*
* The MIT License (MIT)
*
* Copyright (c) 2007-2015 Broad Institute
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* THE SOFTWARE.
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package org.broad.igv.data;
import org.apache.commons.lang.ArrayUtils;
import org.broad.igv.AbstractHeadlessTest;
import org.broad.igv.feature.BasicFeature;
import org.broad.igv.feature.genome.Genome;
import org.broad.igv.feature.tribble.CodecFactory;
import org.broad.igv.util.TestUtils;
import htsjdk.tribble.AbstractFeatureReader;
import htsjdk.tribble.FeatureCodec;
import org.junit.Test;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static junit.framework.Assert.assertEquals;
/**
* User: jacob
* Date: 2013-Mar-11
*/
public class GenomeSummaryDataTest extends AbstractHeadlessTest {
private static final String testDataPath = TestUtils.DATA_DIR + "bed/chr1-2_peaks.bed";
@Override
public void setUp() throws Exception {
super.setUp();
TestUtils.createIndex(testDataPath);
}
private Iterable getFeatures(String chr) throws Exception {
FeatureCodec codec = CodecFactory.getCodec(testDataPath, genome);
AbstractFeatureReader bfs = AbstractFeatureReader.getFeatureReader(testDataPath, codec, true);
if(chr == null) return bfs.iterator();
return bfs.query(chr, 0, Integer.MAX_VALUE);
}
/**
* Build GenomeSummaryData from sorted (by chromosome and start position) set of features
* @param genome
* @param trackId
* @param features
* @return
*/
private GenomeSummaryData buildGenomeSummaryData(Genome genome, String trackId, Iterable<BasicFeature> features, double scale){
GenomeSummaryData genomeSummaryData = new GenomeSummaryData(genome, new String[]{trackId});
if(scale > 0){
genomeSummaryData.setScale(scale);
}
List<Integer> startLocations = new ArrayList<Integer>();
List<Float> data = new ArrayList<Float>();
String lastChr = null;
for(BasicFeature feature: features){
String chr = feature.getChr();
//Finish off last chromosome
if(lastChr != null && !chr.equals(lastChr)){
Map<String, float[]> dMap = new HashMap<String, float[]>();
dMap.put(trackId, ArrayUtils.toPrimitive(data.toArray(new Float[data.size()])));
genomeSummaryData.addData(lastChr, ArrayUtils.toPrimitive(startLocations.toArray(new Integer[startLocations.size()])), dMap);
startLocations.clear();
data.clear();
}
startLocations.add(feature.getStart());
data.add(feature.getScore());
lastChr = chr;
}
Map<String, float[]> dMap = new HashMap<String, float[]>();
dMap.put(trackId, ArrayUtils.toPrimitive(data.toArray(new Float[data.size()])));
genomeSummaryData.addData(lastChr, ArrayUtils.toPrimitive(startLocations.toArray(new Integer[startLocations.size()])), dMap);
return genomeSummaryData;
}
@Test
public void testSinglePointsSingleChromo_01() throws Exception{
tstAccumulate("chr1", 6, 100.0);
}
@Test
public void testSinglePointsSingleChromo_02() throws Exception{
tstAccumulate("chr2", 8, 10.0);
}
@Test
public void testCombinePointsSingleChromo_01() throws Exception{
tstAccumulate("chr1", 3, 1000.0);
}
@Test
public void testCombinePointsSingleChromo_02() throws Exception{
tstAccumulate("chr2", 5, 1000.0);
}
@Test
public void testSinglePointsMultiChromo() throws Exception{
tstAccumulate(null, 14, 10.0);
}
@Test
public void testCombinePointsMultiChromo_01() throws Exception{
tstAccumulate(null, 13, 100.0);
}
@Test
public void testCombinePointsMultiChromo_02() throws Exception{
tstAccumulate(null, 7, -1);
}
private void tstAccumulate(String chr, int expLocations, double scale) throws Exception{
GenomeSummaryData genomeSummaryData = buildGenomeSummaryData(genome, testDataPath, getFeatures(chr), scale);
assertEquals(0, genomeSummaryData.skippedChromosomes.size());
assertEquals(expLocations, genomeSummaryData.nDataPts);
assertEquals(expLocations, genomeSummaryData.getLocations().length);
assertEquals(expLocations, genomeSummaryData.getData(testDataPath).length);
}
}