gatk-3.8/public/java/test/org/broadinstitute/sting/utils/ReadUtilsUnitTest.java

72 lines
3.4 KiB
Java
Executable File

package org.broadinstitute.sting.utils;
import net.sf.samtools.SAMFileHeader;
import net.sf.samtools.SAMRecord;
import org.broadinstitute.sting.BaseTest;
import org.broadinstitute.sting.utils.pileup.PileupElement;
import org.broadinstitute.sting.utils.sam.ArtificialSAMUtils;
import org.broadinstitute.sting.utils.sam.GATKSAMRecord;
import org.broadinstitute.sting.utils.sam.ReadUtils;
import org.testng.Assert;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
public class ReadUtilsUnitTest extends BaseTest {
GATKSAMRecord read, reducedRead;
final static String BASES = "ACTG";
final static String QUALS = "!+5?";
final private static byte[] REDUCED_READ_COUNTS = new byte[]{10, 20, 30, 40};
@BeforeTest
public void init() {
SAMFileHeader header = ArtificialSAMUtils.createArtificialSamHeader(1,1,1000);
read = ArtificialSAMUtils.createArtificialRead(header, "read1", 0, 1, BASES.length());
read.setReadUnmappedFlag(true);
read.setReadBases(new String(BASES).getBytes());
read.setBaseQualityString(new String(QUALS));
reducedRead = ArtificialSAMUtils.createArtificialRead(header, "reducedRead", 0, 1, BASES.length());
reducedRead.setReadBases(BASES.getBytes());
reducedRead.setBaseQualityString(QUALS);
reducedRead.setAttribute(GATKSAMRecord.REDUCED_READ_QUALITY_TAG, REDUCED_READ_COUNTS);
}
private void testReadBasesAndQuals(GATKSAMRecord read, int expectedStart, int expectedStop) {
SAMRecord clipped = ReadUtils.hardClipBases(read, expectedStart, expectedStop - 1, null);
String expectedBases = BASES.substring(expectedStart, expectedStop);
String expectedQuals = QUALS.substring(expectedStart, expectedStop);
Assert.assertEquals(clipped.getReadBases(), expectedBases.getBytes(), "Clipped bases not those expected");
Assert.assertEquals(clipped.getBaseQualityString(), expectedQuals, "Clipped quals not those expected");
}
@Test public void testNoClip() { testReadBasesAndQuals(read, 0, 4); }
@Test public void testClip1Front() { testReadBasesAndQuals(read, 1, 4); }
@Test public void testClip2Front() { testReadBasesAndQuals(read, 2, 4); }
@Test public void testClip1Back() { testReadBasesAndQuals(read, 0, 3); }
@Test public void testClip2Back() { testReadBasesAndQuals(read, 0, 2); }
@Test
public void testReducedReads() {
Assert.assertFalse(read.isReducedRead(), "isReducedRead is false for normal read");
Assert.assertEquals(read.getReducedReadCounts(), null, "No reduced read tag in normal read");
Assert.assertTrue(reducedRead.isReducedRead(), "isReducedRead is true for reduced read");
for ( int i = 0; i < reducedRead.getReadLength(); i++) {
Assert.assertEquals(reducedRead.getReducedCount(i), REDUCED_READ_COUNTS[i], "Reduced read count not set to the expected value at " + i);
}
}
@Test
public void testReducedReadPileupElement() {
PileupElement readp = new PileupElement(read,0);
PileupElement reducedreadp = new PileupElement(reducedRead,0);
Assert.assertFalse(readp.isReducedRead());
Assert.assertTrue(reducedreadp.isReducedRead());
Assert.assertEquals(reducedreadp.getRepresentativeCount(), REDUCED_READ_COUNTS[0]);
Assert.assertEquals(reducedreadp.getQual(), readp.getQual());
}
}