gatk-3.8/java/test/org/broadinstitute/sting/oneoffprojects/variantcontext/VariantContextTest.java

242 lines
8.8 KiB
Java
Executable File

// our package
package org.broadinstitute.sting.oneoffprojects.variantcontext;
// the imports for unit testing.
import org.broadinstitute.sting.BaseTest;
import org.broadinstitute.sting.utils.GenomeLoc;
import org.broadinstitute.sting.utils.GenomeLocParser;
import org.broadinstitute.sting.utils.fasta.IndexedFastaSequenceFile;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.BeforeClass;
import java.util.Map;
import java.util.Arrays;
import java.util.Set;
import java.util.List;
import java.io.FileNotFoundException;
import java.io.File;
import net.sf.picard.reference.ReferenceSequenceFile;
/**
* Basic unit test for RecalData
*/
public class VariantContextTest extends BaseTest {
private static ReferenceSequenceFile seq;
@BeforeClass
public static void init() throws FileNotFoundException {
// sequence
seq = new IndexedFastaSequenceFile(new File(seqLocation + "/references/Homo_sapiens_assembly18/v0/Homo_sapiens_assembly18.fasta"));
GenomeLocParser.setupRefContigOrdering(seq);
}
Allele A, Aref, T, Tref;
Allele del, delRef, ATC, ATCref;
// A [ref] / T at 10
GenomeLoc snpLoc = GenomeLocParser.createGenomeLoc("chr1", 10, 11);
// - / ATC [ref] from 20-23
GenomeLoc delLoc = GenomeLocParser.createGenomeLoc("chr1", 20, 23);
// - [ref] / ATC from 20-20
GenomeLoc insLoc = GenomeLocParser.createGenomeLoc("chr1", 20, 20);
// - / A / T / ATC [ref] from 20-23
GenomeLoc mixedLoc = GenomeLocParser.createGenomeLoc("chr1", 20, 23);
@Before
public void before() {
del = new Allele("-");
delRef = new Allele("-", true);
A = new Allele("A");
Aref = new Allele("A", true);
T = new Allele("T");
Tref = new Allele("T", true);
ATC = new Allele("ATC");
ATCref = new Allele("ATC", true);
}
// todo -- create reference context
@Test
public void testCreatingSNPVariantContext() {
logger.warn("testCreatingSNPVariantContext");
List<Allele> alleles = Arrays.asList(Aref, T);
VariantContext vc = new VariantContext(snpLoc, alleles);
logger.warn("vc = " + vc);
Assert.assertEquals(vc.getLocation(), snpLoc);
Assert.assertEquals(vc.getType(), VariantContext.Type.SNP);
Assert.assertTrue(vc.isSNP());
Assert.assertFalse(vc.isIndel());
//Assert.assertFalse(vc.isInsertion());
//Assert.assertFalse(vc.isDeletion());
Assert.assertFalse(vc.isMixed());
Assert.assertTrue(vc.isBiallelic());
Assert.assertEquals(vc.getNAlleles(), 2);
Assert.assertEquals(vc.getReference(), Aref);
Assert.assertEquals(vc.getAlleles().size(), 2);
Assert.assertEquals(vc.getAlternateAlleles().size(), 1);
Assert.assertEquals(vc.getAlternateAllele(0), T);
Assert.assertFalse(vc.hasGenotypes());
Assert.assertEquals(vc.getSampleNames().size(), 0);
}
@Test
public void testCreatingRefVariantContext() {
logger.warn("testCreatingRefVariantContext");
List<Allele> alleles = Arrays.asList(Aref);
VariantContext vc = new VariantContext(snpLoc, alleles);
logger.warn("vc = " + vc);
Assert.assertEquals(vc.getLocation(), snpLoc);
Assert.assertEquals(vc.getType(), VariantContext.Type.NO_VARIATION);
Assert.assertFalse(vc.isSNP());
Assert.assertFalse(vc.isIndel());
//Assert.assertFalse(vc.isInsertion());
//Assert.assertFalse(vc.isDeletion());
Assert.assertFalse(vc.isMixed());
Assert.assertFalse(vc.isBiallelic());
Assert.assertEquals(vc.getNAlleles(), 1);
Assert.assertEquals(vc.getReference(), Aref);
Assert.assertEquals(vc.getAlleles().size(), 1);
Assert.assertEquals(vc.getAlternateAlleles().size(), 0);
//Assert.assertEquals(vc.getAlternateAllele(0), T);
Assert.assertFalse(vc.hasGenotypes());
Assert.assertEquals(vc.getSampleNames().size(), 0);
}
@Test
public void testCreatingDeletionVariantContext() {
logger.warn("testCreatingDeletionVariantContext");
List<Allele> alleles = Arrays.asList(ATCref, del);
VariantContext vc = new VariantContext(delLoc, alleles);
logger.warn("vc = " + vc);
Assert.assertEquals(vc.getLocation(), delLoc);
Assert.assertEquals(vc.getType(), VariantContext.Type.INDEL);
Assert.assertFalse(vc.isSNP());
Assert.assertTrue(vc.isIndel());
//Assert.assertFalse(vc.isInsertion());
//Assert.assertFalse(vc.isDeletion());
Assert.assertFalse(vc.isMixed());
Assert.assertTrue(vc.isBiallelic());
Assert.assertEquals(vc.getNAlleles(), 2);
Assert.assertEquals(vc.getReference(), ATCref);
Assert.assertEquals(vc.getAlleles().size(), 2);
Assert.assertEquals(vc.getAlternateAlleles().size(), 1);
Assert.assertEquals(vc.getAlternateAllele(0), del);
Assert.assertFalse(vc.hasGenotypes());
Assert.assertEquals(vc.getSampleNames().size(), 0);
}
@Test
public void testCreatingInsertionVariantContext() {
logger.warn("testCreatingInsertionVariantContext");
List<Allele> alleles = Arrays.asList(delRef, ATC);
VariantContext vc = new VariantContext(insLoc, alleles);
logger.warn("vc = " + vc);
Assert.assertEquals(vc.getLocation(), insLoc);
Assert.assertEquals(vc.getType(), VariantContext.Type.INDEL);
Assert.assertFalse(vc.isSNP());
Assert.assertTrue(vc.isIndel());
//Assert.assertFalse(vc.isInsertion());
//Assert.assertFalse(vc.isDeletion());
Assert.assertFalse(vc.isMixed());
Assert.assertTrue(vc.isBiallelic());
Assert.assertEquals(vc.getNAlleles(), 2);
Assert.assertEquals(vc.getReference(), delRef);
Assert.assertEquals(vc.getAlleles().size(), 2);
Assert.assertEquals(vc.getAlternateAlleles().size(), 1);
Assert.assertEquals(vc.getAlternateAllele(0), ATC);
Assert.assertFalse(vc.hasGenotypes());
Assert.assertEquals(vc.getSampleNames().size(), 0);
}
@Test (expected = IllegalArgumentException.class)
public void testBadConstructorArgs1() {
logger.warn("testBadConstructorArgs1");
new VariantContext(insLoc, Arrays.asList(delRef, ATCref));
}
@Test (expected = IllegalArgumentException.class)
public void testBadConstructorArgs2() {
logger.warn("testBadConstructorArgs2");
new VariantContext(insLoc, Arrays.asList(delRef, del));
}
@Test (expected = IllegalArgumentException.class)
public void testBadConstructorArgs3() {
logger.warn("testBadConstructorArgs3");
new VariantContext(insLoc, Arrays.asList(del));
}
@Test (expected = IllegalArgumentException.class)
public void testBadConstructorArgsDuplicateAlleles1() {
logger.warn("testBadConstructorArgsDuplicateAlleles1");
new VariantContext(insLoc, Arrays.asList(Aref, T, T));
}
@Test (expected = IllegalArgumentException.class)
public void testBadConstructorArgsDuplicateAlleles2() {
logger.warn("testBadConstructorArgsDuplicateAlleles2");
new VariantContext(insLoc, Arrays.asList(Aref, A));
}
}
// public Type getType() {
// public boolean isSNP() { return getType() == Type.SNP; }
// public boolean isVariant() { return getType() != Type.NO_VARIATION; }
// public boolean isIndel() { return getType() == Type.INDEL; }
// public boolean isMixed() { return getType() == Type.MIXED; }
// public GenomeLoc getLocation() { return loc; }
// public Allele getReference() {
// public boolean isBiallelic() {
// public boolean isMonomorphic() {
// public boolean isPolymorphic() {
// public int getNAlleles() {
// public Set<Allele> getAlleles() { return alleles; }
// public Set<Allele> getAlternateAlleles() {
// public Allele getAlternateAllele(int i) {
// public void setAlleles(Set<Allele> alleles) {
// public void addAllele(Allele allele) {
// public void addAllele(Allele allele, boolean allowDuplicates) {
// public boolean hasGenotypes() { return genotypes.size() > 0; }
// public Map<String, Genotype> getGenotypes() { return genotypes; }
// public Set<String> getSampleNames() {
// public Genotype getGenotype(String sample) {
// public boolean hasGenotype(String sample) {
// public void setGenotypes(Genotype genotype) {
// public void setGenotypes(Collection<Genotype> genotypes) {
// public void setGenotypes(Map<String, Genotype> genotypes) {
// public void addGenotype(Genotype genotype) {
// public void addGenotype(String sampleName, Genotype genotype) {
// public void addGenotype(String sampleName, Genotype genotype, boolean allowOverwrites) {
// public void removeGenotype(String sampleName) {
// public void removeGenotype(Genotype genotype) {
// public boolean validate() {