/*
* Copyright (c) 2012 The 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 LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package htsjdk.variant.vcf;
import htsjdk.samtools.SAMSequenceDictionary;
import htsjdk.tribble.AbstractFeatureReader;
import htsjdk.tribble.CloseableTribbleIterator;
import htsjdk.tribble.Tribble;
import htsjdk.tribble.index.Index;
import htsjdk.tribble.index.IndexFactory;
import htsjdk.variant.VariantBaseTest;
import htsjdk.variant.variantcontext.VariantContext;
import htsjdk.variant.variantcontext.writer.Options;
import htsjdk.variant.variantcontext.writer.VariantContextWriter;
import htsjdk.variant.variantcontext.writer.VariantContextWriterBuilder;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.EnumSet;
/**
* tests out the various functions in the index factory class
*/
public class IndexFactoryUnitTest extends VariantBaseTest {
File inputFile = new File(variantTestDataRoot + "HiSeq.10000.vcf");
File outputFile = createTempFile("onTheFlyOutputTest", ".vcf");
File outputFileIndex = Tribble.indexFile(outputFile);
private SAMSequenceDictionary dict;
@BeforeTest
public void setup() {
dict = createArtificialSequenceDictionary();
}
//
// test out scoring the indexes
//
@Test
public void testOnTheFlyIndexing1() throws IOException {
final Index indexFromInputFile = IndexFactory.createDynamicIndex(inputFile, new VCFCodec());
if ( outputFileIndex.exists() ) {
System.err.println("Deleting " + outputFileIndex);
outputFileIndex.delete();
}
for ( int maxRecords : Arrays.asList(0, 1, 10, 100, 1000, -1)) {
final AbstractFeatureReader source = AbstractFeatureReader.getFeatureReader(inputFile.getAbsolutePath(), new VCFCodec(), indexFromInputFile);
int counter = 0;
VariantContextWriter writer = new VariantContextWriterBuilder()
.setOutputFile(outputFile)
.setReferenceDictionary(dict)
.setOptions(EnumSet.of(Options.ALLOW_MISSING_FIELDS_IN_HEADER))
.build();
writer.writeHeader((VCFHeader)source.getHeader());
CloseableTribbleIterator<VariantContext> it = source.iterator();
while (it.hasNext() && (counter++ < maxRecords || maxRecords == -1) ) {
VariantContext vc = it.next();
writer.add(vc);
}
writer.close();
// test that the input index is the same as the one created from the identical input file
// test that the dynamic index is the same as the output index, which is equal to the input index
//WalkerTest.assertOnDiskIndexEqualToNewlyCreatedIndex(outputFileIndex, "unittest", outputFile);
}
}
}