/*
* The MIT License
*
* Copyright (c) 2015 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 picard.vcf.processor;
import htsjdk.variant.variantcontext.VariantContext;
import htsjdk.variant.vcf.VCFFileReader;
import org.testng.Assert;
import org.testng.annotations.Test;
import java.io.File;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* @author mccowan
*/
public class AccumulatorExecutorTest {
final static List<File> TEST_VCFS = Arrays.asList(
new File("testdata/picard/vcf/CEUTrio-indels-bad-samples.vcf"),
new File("testdata/picard/vcf/CEUTrio-indels-dissimilar-contigs.vcf"),
new File("testdata/picard/vcf/CEUTrio-merged-indels-snps.vcf")
);
@Test
public void test() throws Exception {
// Fist, read variants via a known, functional mechanism
final Set<String> actualVariantContextStrings = Collections.synchronizedSet(new HashSet<String>());
for (final File testVcf : TEST_VCFS) {
for (final VariantContext variantContext : new VCFFileReader(testVcf)) {
actualVariantContextStrings.add(variantContext.toString());
}
}
// Then ensure for a variety of thread counts that we observe the same variants
for (int i = 1; i <= 24; i++) {
final Set<String> observedVariantContextStrings = Collections.synchronizedSet(new HashSet<String>());
final VariantAccumulatorExecutor executor = new VariantAccumulatorExecutor.MultiThreadedChunkBased(
i,
VariantIteratorProducer.byHundredMegabaseChunks(TEST_VCFS),
new VariantProcessor.AccumulatorGenerator() {
@Override
public VariantProcessor.Accumulator build() {
return new VariantProcessor.Accumulator() {
@Override
public void accumulate(final VariantContext vc) {
observedVariantContextStrings.add(vc.toString());
}
@Override
public Object result() {
return null;
}
};
}
}
);
executor.start();
executor.awaitCompletion();
Assert.assertTrue(actualVariantContextStrings.equals(observedVariantContextStrings));
}
}
}