/*
* Copyright 2016 MiLaboratory.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.milaboratory.core.io.sequence.fasta;
import cc.redberry.pipe.CUtils;
import com.milaboratory.core.Range;
import com.milaboratory.core.io.sequence.fastq.SingleFastqReaderTest;
import com.milaboratory.core.sequence.Alphabet;
import com.milaboratory.core.sequence.AminoAcidSequence;
import com.milaboratory.core.sequence.NucleotideSequence;
import com.milaboratory.core.sequence.Sequence;
import com.milaboratory.test.TestUtil;
import com.milaboratory.util.AbstractLongProcessReporter;
import com.milaboratory.util.LongProcessReporter;
import com.milaboratory.util.RandomUtil;
import com.milaboratory.util.TempFileManager;
import org.apache.commons.math3.random.Well19937c;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.ThreadLocalRandom;
public class RandomAccessFastaReaderTest {
@Before
public void setUp() throws Exception {
LongProcessReporter.DefaultLongProcessReporter.INSTANCE = AbstractLongProcessReporter.stderrReporter();
}
@Test
public void test1() throws Exception {
Path path = new File(SingleFastqReaderTest.class.getClassLoader().getResource("sequences/some_fasta.fasta").toURI()).toPath();
List<FastaRecord<AminoAcidSequence>> seqs = new ArrayList<>();
try (FastaReader<AminoAcidSequence> r = new FastaReader<>(path.toFile(), AminoAcidSequence.ALPHABET)) {
for (FastaRecord<AminoAcidSequence> rec : CUtils.it(r))
seqs.add(rec);
}
assertRA(seqs, path, AminoAcidSequence.ALPHABET, false);
}
@Test
public void test2() throws Exception {
File tempFile = TempFileManager.getTempFile();
List<FastaRecord<NucleotideSequence>> seqs = new ArrayList<>();
Well19937c r = RandomUtil.getThreadLocalRandom();
try (FastaWriter<NucleotideSequence> writer = new FastaWriter<>(tempFile)) {
for (int i = 0; i < 100; i++) {
FastaRecord<NucleotideSequence> rec = new FastaRecord<>(i, UUID.randomUUID().toString(), TestUtil.randomSequence(NucleotideSequence.ALPHABET, 1000, 100000));
seqs.add(rec);
writer.write(rec);
}
}
assertRA(seqs, tempFile.toPath(), NucleotideSequence.ALPHABET, true);
}
public static <S extends Sequence<S>> void assertRA(List<FastaRecord<S>> seqs, Path path, Alphabet<S> alphabet, boolean allowReverse) throws Exception {
try (RandomAccessFastaReader<S> raReader = new RandomAccessFastaReader<>(path, alphabet)) {
ThreadLocalRandom r = ThreadLocalRandom.current();
for (int i = 0; i < 1000; i++) {
FastaRecord<S> rec = seqs.get(r.nextInt(seqs.size()));
int from = r.nextInt(rec.getSequence().size() - 1);
int to = allowReverse ? r.nextInt(rec.getSequence().size() - 1) : r.nextInt(from, rec.getSequence().size());
Range range = new Range(from, to);
Assert.assertEquals(rec.getSequence().getRange(range), raReader.getSequence((int) rec.getId(), range));
Assert.assertEquals(rec.getSequence().getRange(range), raReader.getSequence(rec.getDescription(), range));
}
}
}
}