import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
-import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
-import java.util.Set;
import org.testng.annotations.Test;
public class AlignmentUtilsTests
{
- // @formatter:off
- private static final String TEST_DATA =
- "# STOCKHOLM 1.0\n" +
- "#=GS D.melanogaster.1 AC AY119185.1/838-902\n" +
- "#=GS D.melanogaster.2 AC AC092237.1/57223-57161\n" +
- "#=GS D.melanogaster.3 AC AY060611.1/560-627\n" +
- "D.melanogaster.1 G.AGCC.CU...AUGAUCGA\n" +
- "#=GR D.melanogaster.1 SS ................((((\n" +
- "D.melanogaster.2 C.AUUCAACU.UAUGAGGAU\n" +
- "#=GR D.melanogaster.2 SS ................((((\n" +
- "D.melanogaster.3 G.UGGCGCU..UAUGACGCA\n" +
- "#=GR D.melanogaster.3 SS (.(((...(....(((((((\n" +
- "//";
-
- private static final String AA_SEQS_1 =
- ">Seq1Name\n" +
- "K-QY--L\n" +
- ">Seq2Name\n" +
- "-R-FP-W-\n";
-
- private static final String CDNA_SEQS_1 =
- ">Seq1Name\n" +
- "AC-GG--CUC-CAA-CT\n" +
- ">Seq2Name\n" +
- "-CG-TTA--ACG---AAGT\n";
-
- private static final String CDNA_SEQS_2 =
- ">Seq1Name\n" +
- "GCTCGUCGTACT\n" +
- ">Seq2Name\n" +
- "GGGTCAGGCAGT\n";
- // @formatter:on
-
- // public static Sequence ts=new
- // Sequence("short","ASDASDASDASDASDASDASDASDASDASDASDASDASD");
public static Sequence ts = new Sequence("short",
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklm");
}
/**
- * Test for the method that generates an aligned translated sequence from one
- * mapping.
- */
- @Test(groups = { "Functional" })
- public void testGetAlignedTranslation_dnaLikeProtein()
- {
- // dna alignment will be replaced
- SequenceI dna = new Sequence("Seq1", "T-G-CC-A--T-TAC-CAG-");
- dna.createDatasetSequence();
- // protein alignment will be 'applied' to dna
- SequenceI protein = new Sequence("Seq1", "-CH-Y--Q-");
- protein.createDatasetSequence();
- MapList map = new MapList(new int[] { 1, 12 }, new int[] { 1, 4 }, 3, 1);
- AlignedCodonFrame acf = new AlignedCodonFrame();
- acf.addMap(dna.getDatasetSequence(), protein.getDatasetSequence(), map);
-
- final SequenceI aligned = AlignmentUtils.getAlignedTranslation(protein,
- '-', acf);
- assertEquals("---TGCCAT---TAC------CAG---",
- aligned.getSequenceAsString());
- assertSame(aligned.getDatasetSequence(), dna.getDatasetSequence());
- }
-
- /**
* Test the method that realigns protein to match mapped codon alignment.
*/
@Test(groups = { "Functional" })
acf.addMap(dna2.getDatasetSequence(), pep2.getDatasetSequence(), map);
mappings.add(acf);
+ /*
+ * execute method under test:
+ */
AlignmentI cds = AlignmentUtils.makeCdsAlignment(new SequenceI[] {
dna1, dna2 }, mappings, dna);
+
assertEquals(2, cds.getSequences().size());
- assertEquals("---GGG---TTT---", cds.getSequenceAt(0)
+ assertEquals("GGGTTT", cds.getSequenceAt(0)
.getSequenceAsString());
- assertEquals("GGG---TTT---CCC", cds.getSequenceAt(1)
+ assertEquals("GGGTTTCCC", cds.getSequenceAt(1)
.getSequenceAsString());
/*
.contains(cds.getSequenceAt(1).getDatasetSequence()));
/*
- * Verify updated mappings
+ * Verify mappings from CDS to peptide and cDNA to CDS
+ * the mappings are on the shared alignment dataset
*/
- assertEquals(2, mappings.size());
-
+ assertSame(dna.getCodonFrames(), cds.getCodonFrames());
+ List<AlignedCodonFrame> cdsMappings = cds.getCodonFrames();
+ assertEquals(2, cdsMappings.size());
+
/*
* Mapping from pep1 to GGGTTT in first new exon sequence
*/
List<AlignedCodonFrame> pep1Mapping = MappingUtils
- .findMappingsForSequence(pep1, mappings);
+ .findMappingsForSequence(pep1, cdsMappings);
assertEquals(1, pep1Mapping.size());
// map G to GGG
- SearchResults sr = MappingUtils.buildSearchResults(pep1, 1, mappings);
+ SearchResults sr = MappingUtils
+ .buildSearchResults(pep1, 1, cdsMappings);
assertEquals(1, sr.getResults().size());
Match m = sr.getResults().get(0);
assertSame(cds.getSequenceAt(0).getDatasetSequence(),
assertEquals(1, m.getStart());
assertEquals(3, m.getEnd());
// map F to TTT
- sr = MappingUtils.buildSearchResults(pep1, 2, mappings);
+ sr = MappingUtils.buildSearchResults(pep1, 2, cdsMappings);
m = sr.getResults().get(0);
assertSame(cds.getSequenceAt(0).getDatasetSequence(),
m.getSequence());
* Mapping from pep2 to GGGTTTCCC in second new exon sequence
*/
List<AlignedCodonFrame> pep2Mapping = MappingUtils
- .findMappingsForSequence(pep2, mappings);
+ .findMappingsForSequence(pep2, cdsMappings);
assertEquals(1, pep2Mapping.size());
// map G to GGG
- sr = MappingUtils.buildSearchResults(pep2, 1, mappings);
+ sr = MappingUtils.buildSearchResults(pep2, 1, cdsMappings);
assertEquals(1, sr.getResults().size());
m = sr.getResults().get(0);
assertSame(cds.getSequenceAt(1).getDatasetSequence(),
assertEquals(1, m.getStart());
assertEquals(3, m.getEnd());
// map F to TTT
- sr = MappingUtils.buildSearchResults(pep2, 2, mappings);
+ sr = MappingUtils.buildSearchResults(pep2, 2, cdsMappings);
m = sr.getResults().get(0);
assertSame(cds.getSequenceAt(1).getDatasetSequence(),
m.getSequence());
assertEquals(4, m.getStart());
assertEquals(6, m.getEnd());
// map P to CCC
- sr = MappingUtils.buildSearchResults(pep2, 3, mappings);
+ sr = MappingUtils.buildSearchResults(pep2, 3, cdsMappings);
m = sr.getResults().get(0);
assertSame(cds.getSequenceAt(1).getDatasetSequence(),
m.getSequence());
}
/**
- * Test the method that makes a cds-only sequence from a DNA sequence and its
- * product mapping. Test includes the expected case that the DNA sequence
- * already has a protein product (Uniprot translation) which in turn has an
- * x-ref to the EMBLCDS record.
- */
- @Test(groups = { "Functional" })
- public void testMakeCdsSequences()
- {
- SequenceI dna1 = new Sequence("dna1", "aaaGGGcccTTTaaa");
- SequenceI pep1 = new Sequence("pep1", "GF");
- dna1.createDatasetSequence();
- pep1.createDatasetSequence();
- pep1.getDatasetSequence().addDBRef(
- new DBRefEntry("EMBLCDS", "2", "A12345"));
-
- /*
- * Make the mapping from dna to protein. The protein sequence has a DBRef to
- * EMBLCDS|A12345.
- */
- Set<AlignedCodonFrame> mappings = new HashSet<AlignedCodonFrame>();
- MapList map = new MapList(new int[] { 4, 6, 10, 12 },
- new int[] { 1, 2 }, 3, 1);
- AlignedCodonFrame acf = new AlignedCodonFrame();
- acf.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(), map);
- mappings.add(acf);
-
- AlignedCodonFrame newMapping = new AlignedCodonFrame();
- List<int[]> ungappedColumns = new ArrayList<int[]>();
- ungappedColumns.add(new int[] { 4, 6 });
- ungappedColumns.add(new int[] { 10, 12 });
- List<SequenceI> cdsSeqs = AlignmentUtils.makeCdsSequences(dna1, acf,
- ungappedColumns,
- newMapping, '-');
- assertEquals(1, cdsSeqs.size());
- SequenceI cdsSeq = cdsSeqs.get(0);
-
- assertEquals("GGGTTT", cdsSeq.getSequenceAsString());
- assertEquals("dna1|A12345", cdsSeq.getName());
- assertEquals(1, cdsSeq.getDBRefs().length);
- DBRefEntry cdsRef = cdsSeq.getDBRefs()[0];
- assertEquals("EMBLCDS", cdsRef.getSource());
- assertEquals("2", cdsRef.getVersion());
- assertEquals("A12345", cdsRef.getAccessionId());
- }
-
- /**
* Test the method that makes a cds-only alignment from a DNA sequence and its
* product mappings, for the case where there are multiple exon mappings to
* different protein products.
mappings.add(acf);
/*
- * Create the Exon alignment; also replaces the dna-to-protein mappings with
+ * Create the CDS alignment; also augments the dna-to-protein mappings with
* exon-to-protein and exon-to-dna mappings
*/
AlignmentI dna = new Alignment(new SequenceI[] { dna1 });
dna.setDataset(null);
- AlignmentI exal = AlignmentUtils.makeCdsAlignment(
+
+ /*
+ * execute method under test
+ */
+ AlignmentI cdsal = AlignmentUtils.makeCdsAlignment(
new SequenceI[] { dna1 }, mappings, dna);
/*
* Verify we have 3 cds sequences, mapped to pep1/2/3 respectively
*/
- List<SequenceI> cds = exal.getSequences();
+ List<SequenceI> cds = cdsal.getSequences();
assertEquals(3, cds.size());
/*
* verify shared, extended alignment dataset
*/
- assertSame(exal.getDataset(), dna.getDataset());
+ assertSame(cdsal.getDataset(), dna.getDataset());
assertTrue(dna.getDataset().getSequences()
.contains(cds.get(0).getDatasetSequence()));
assertTrue(dna.getDataset().getSequences()
* verify aligned cds sequences and their xrefs
*/
SequenceI cdsSeq = cds.get(0);
- assertEquals("---GGG---TTT", cdsSeq.getSequenceAsString());
- assertEquals("dna1|A12345", cdsSeq.getName());
- assertEquals(1, cdsSeq.getDBRefs().length);
- DBRefEntry cdsRef = cdsSeq.getDBRefs()[0];
- assertEquals("EMBLCDS", cdsRef.getSource());
- assertEquals("2", cdsRef.getVersion());
- assertEquals("A12345", cdsRef.getAccessionId());
+ assertEquals("GGGTTT", cdsSeq.getSequenceAsString());
+ // assertEquals("dna1|A12345", cdsSeq.getName());
+ assertEquals("dna1|pep1", cdsSeq.getName());
+ // assertEquals(1, cdsSeq.getDBRefs().length);
+ // DBRefEntry cdsRef = cdsSeq.getDBRefs()[0];
+ // assertEquals("EMBLCDS", cdsRef.getSource());
+ // assertEquals("2", cdsRef.getVersion());
+ // assertEquals("A12345", cdsRef.getAccessionId());
cdsSeq = cds.get(1);
- assertEquals("aaa---ccc---", cdsSeq.getSequenceAsString());
- assertEquals("dna1|A12346", cdsSeq.getName());
- assertEquals(1, cdsSeq.getDBRefs().length);
- cdsRef = cdsSeq.getDBRefs()[0];
- assertEquals("EMBLCDS", cdsRef.getSource());
- assertEquals("3", cdsRef.getVersion());
- assertEquals("A12346", cdsRef.getAccessionId());
+ assertEquals("aaaccc", cdsSeq.getSequenceAsString());
+ // assertEquals("dna1|A12346", cdsSeq.getName());
+ assertEquals("dna1|pep2", cdsSeq.getName());
+ // assertEquals(1, cdsSeq.getDBRefs().length);
+ // cdsRef = cdsSeq.getDBRefs()[0];
+ // assertEquals("EMBLCDS", cdsRef.getSource());
+ // assertEquals("3", cdsRef.getVersion());
+ // assertEquals("A12346", cdsRef.getAccessionId());
cdsSeq = cds.get(2);
- assertEquals("aaa------TTT", cdsSeq.getSequenceAsString());
- assertEquals("dna1|A12347", cdsSeq.getName());
- assertEquals(1, cdsSeq.getDBRefs().length);
- cdsRef = cdsSeq.getDBRefs()[0];
- assertEquals("EMBLCDS", cdsRef.getSource());
- assertEquals("4", cdsRef.getVersion());
- assertEquals("A12347", cdsRef.getAccessionId());
+ assertEquals("aaaTTT", cdsSeq.getSequenceAsString());
+ // assertEquals("dna1|A12347", cdsSeq.getName());
+ assertEquals("dna1|pep3", cdsSeq.getName());
+ // assertEquals(1, cdsSeq.getDBRefs().length);
+ // cdsRef = cdsSeq.getDBRefs()[0];
+ // assertEquals("EMBLCDS", cdsRef.getSource());
+ // assertEquals("4", cdsRef.getVersion());
+ // assertEquals("A12347", cdsRef.getAccessionId());
/*
* Verify there are mappings from each cds sequence to its protein product
* and also to its dna source
*/
- Iterator<AlignedCodonFrame> newMappingsIterator = mappings.iterator();
+ Iterator<AlignedCodonFrame> newMappingsIterator = cdsal
+ .getCodonFrames().iterator();
// mappings for dna1 - exon1 - pep1
AlignedCodonFrame cdsMapping = newMappingsIterator.next();
- List<Mapping> dnaMappings = cdsMapping.getMappingsForSequence(dna1);
- assertEquals(1, dnaMappings.size());
+ List<Mapping> dnaMappings = cdsMapping.getMappingsFromSequence(dna1);
+ assertEquals(3, dnaMappings.size());
assertSame(cds.get(0).getDatasetSequence(), dnaMappings.get(0)
.getTo());
assertEquals("G(1) in CDS should map to G(4) in DNA", 4, dnaMappings
.get(0).getMap().getToPosition(1));
- List<Mapping> peptideMappings = cdsMapping
- .getMappingsForSequence(pep1);
+ List<Mapping> peptideMappings = cdsMapping.getMappingsFromSequence(cds
+ .get(0).getDatasetSequence());
assertEquals(1, peptideMappings.size());
assertSame(pep1.getDatasetSequence(), peptideMappings.get(0).getTo());
// mappings for dna1 - cds2 - pep2
- cdsMapping = newMappingsIterator.next();
- dnaMappings = cdsMapping.getMappingsForSequence(dna1);
- assertEquals(1, dnaMappings.size());
- assertSame(cds.get(1).getDatasetSequence(), dnaMappings.get(0)
+ assertSame(cds.get(1).getDatasetSequence(), dnaMappings.get(1)
.getTo());
assertEquals("c(4) in CDS should map to c(7) in DNA", 7, dnaMappings
- .get(0).getMap().getToPosition(4));
- peptideMappings = cdsMapping.getMappingsForSequence(pep2);
+ .get(1).getMap().getToPosition(4));
+ peptideMappings = cdsMapping.getMappingsFromSequence(cds.get(1)
+ .getDatasetSequence());
assertEquals(1, peptideMappings.size());
assertSame(pep2.getDatasetSequence(), peptideMappings.get(0).getTo());
// mappings for dna1 - cds3 - pep3
- cdsMapping = newMappingsIterator.next();
- dnaMappings = cdsMapping.getMappingsForSequence(dna1);
- assertEquals(1, dnaMappings.size());
- assertSame(cds.get(2).getDatasetSequence(), dnaMappings.get(0)
+ assertSame(cds.get(2).getDatasetSequence(), dnaMappings.get(2)
.getTo());
assertEquals("T(4) in CDS should map to T(10) in DNA", 10, dnaMappings
- .get(0).getMap().getToPosition(4));
- peptideMappings = cdsMapping.getMappingsForSequence(pep3);
+ .get(2).getMap().getToPosition(4));
+ peptideMappings = cdsMapping.getMappingsFromSequence(cds.get(2)
+ .getDatasetSequence());
assertEquals(1, peptideMappings.size());
assertSame(pep3.getDatasetSequence(), peptideMappings.get(0).getTo());
}
List<SequenceI> cdsSeqs = cds.getSequences();
assertEquals(2, cdsSeqs.size());
assertEquals("GGGCCCTTTGGG", cdsSeqs.get(0).getSequenceAsString());
- assertEquals("GGGCC---TGGG", cdsSeqs.get(1).getSequenceAsString());
+ assertEquals("GGGCCTGGG", cdsSeqs.get(1).getSequenceAsString());
/*
* verify shared, extended alignment dataset
/*
* Verify updated mappings
*/
- assertEquals(2, mappings.size());
+ List<AlignedCodonFrame> cdsMappings = cds.getCodonFrames();
+ assertEquals(2, cdsMappings.size());
/*
* Mapping from pep1 to GGGTTT in first new CDS sequence
*/
List<AlignedCodonFrame> pep1Mapping = MappingUtils
- .findMappingsForSequence(pep1, mappings);
+ .findMappingsForSequence(pep1, cdsMappings);
assertEquals(1, pep1Mapping.size());
/*
* maps GPFG to 1-3,4-6,7-9,10-12
*/
- SearchResults sr = MappingUtils.buildSearchResults(pep1, 1, mappings);
+ SearchResults sr = MappingUtils
+ .buildSearchResults(pep1, 1, cdsMappings);
assertEquals(1, sr.getResults().size());
Match m = sr.getResults().get(0);
assertEquals(cds.getSequenceAt(0).getDatasetSequence(),
m.getSequence());
assertEquals(1, m.getStart());
assertEquals(3, m.getEnd());
- sr = MappingUtils.buildSearchResults(pep1, 2, mappings);
+ sr = MappingUtils.buildSearchResults(pep1, 2, cdsMappings);
m = sr.getResults().get(0);
assertEquals(4, m.getStart());
assertEquals(6, m.getEnd());
- sr = MappingUtils.buildSearchResults(pep1, 3, mappings);
+ sr = MappingUtils.buildSearchResults(pep1, 3, cdsMappings);
m = sr.getResults().get(0);
assertEquals(7, m.getStart());
assertEquals(9, m.getEnd());
- sr = MappingUtils.buildSearchResults(pep1, 4, mappings);
+ sr = MappingUtils.buildSearchResults(pep1, 4, cdsMappings);
m = sr.getResults().get(0);
assertEquals(10, m.getStart());
assertEquals(12, m.getEnd());
* GPG in pep2 map to 1-3,4-6,7-9 in second CDS sequence
*/
List<AlignedCodonFrame> pep2Mapping = MappingUtils
- .findMappingsForSequence(pep2, mappings);
+ .findMappingsForSequence(pep2, cdsMappings);
assertEquals(1, pep2Mapping.size());
- sr = MappingUtils.buildSearchResults(pep2, 1, mappings);
+ sr = MappingUtils.buildSearchResults(pep2, 1, cdsMappings);
assertEquals(1, sr.getResults().size());
m = sr.getResults().get(0);
assertEquals(cds.getSequenceAt(1).getDatasetSequence(),
m.getSequence());
assertEquals(1, m.getStart());
assertEquals(3, m.getEnd());
- sr = MappingUtils.buildSearchResults(pep2, 2, mappings);
+ sr = MappingUtils.buildSearchResults(pep2, 2, cdsMappings);
m = sr.getResults().get(0);
assertEquals(4, m.getStart());
assertEquals(6, m.getEnd());
- sr = MappingUtils.buildSearchResults(pep2, 3, mappings);
+ sr = MappingUtils.buildSearchResults(pep2, 3, cdsMappings);
m = sr.getResults().get(0);
assertEquals(7, m.getStart());
assertEquals(9, m.getEnd());
}
/**
- * Tests for gapped column in sequences
- */
- @Test(groups = { "Functional" })
- public void testIsGappedColumn()
- {
- SequenceI seq1 = new Sequence("Seq1", "a--c.tc-a-g");
- SequenceI seq2 = new Sequence("Seq2", "aa---t--a-g");
- SequenceI seq3 = new Sequence("Seq3", "ag-c t-g-");
- List<SequenceI> seqs = Arrays
- .asList(new SequenceI[] { seq1, seq2, seq3 });
- // the column number is base 1
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 1));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 2));
- assertTrue(AlignmentUtils.isGappedColumn(seqs, 3));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 4));
- assertTrue(AlignmentUtils.isGappedColumn(seqs, 5));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 6));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 7));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 8));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 9));
- assertTrue(AlignmentUtils.isGappedColumn(seqs, 10));
- assertFalse(AlignmentUtils.isGappedColumn(seqs, 11));
- // out of bounds:
- assertTrue(AlignmentUtils.isGappedColumn(seqs, 0));
- assertTrue(AlignmentUtils.isGappedColumn(seqs, 100));
- assertTrue(AlignmentUtils.isGappedColumn(seqs, -100));
- assertTrue(AlignmentUtils.isGappedColumn(null, 0));
- }
-
- @Test(groups = { "Functional" })
- public void testFindCdsColumns()
- {
- // TODO target method belongs in a general-purpose alignment
- // analysis method to find columns for feature
-
- /*
- * NB this method assumes CDS ranges are contiguous (no introns)
- */
- SequenceI gene = new Sequence("gene", "aaacccgggtttaaacccgggttt");
- SequenceI seq1 = new Sequence("Seq1", "--ac-cgGG-GGaaACC--GGtt-");
- SequenceI seq2 = new Sequence("Seq2", "AA--CCGG--g-AAA--cG-GTTt");
- seq1.createDatasetSequence();
- seq2.createDatasetSequence();
- seq1.addSequenceFeature(new SequenceFeature("CDS", "cds", 5, 6, 0f,
- null));
- seq1.addSequenceFeature(new SequenceFeature("CDS", "cds", 7, 8, 0f,
- null));
- seq1.addSequenceFeature(new SequenceFeature("CDS", "cds", 11, 13, 0f,
- null));
- seq1.addSequenceFeature(new SequenceFeature("CDS", "cds", 14, 15, 0f,
- null));
- seq2.addSequenceFeature(new SequenceFeature("CDS", "cds", 1, 2, 0f,
- null));
- seq2.addSequenceFeature(new SequenceFeature("CDS", "cds", 3, 6, 0f,
- null));
- seq2.addSequenceFeature(new SequenceFeature("CDS", "cds", 8, 10, 0f,
- null));
- seq2.addSequenceFeature(new SequenceFeature("CDS", "cds", 12, 12, 0f,
- null));
- seq2.addSequenceFeature(new SequenceFeature("CDS", "cds", 13, 15, 0f,
- null));
-
- List<int[]> cdsColumns = AlignmentUtils.findCdsColumns(new SequenceI[] {
- seq1, seq2 });
- assertEquals(4, cdsColumns.size());
- assertEquals("[1, 2]", Arrays.toString(cdsColumns.get(0)));
- assertEquals("[5, 9]", Arrays.toString(cdsColumns.get(1)));
- assertEquals("[11, 17]", Arrays.toString(cdsColumns.get(2)));
- assertEquals("[19, 23]", Arrays.toString(cdsColumns.get(3)));
- }
-
- /**
* Test the method that realigns protein to match mapped codon alignment.
*/
@Test(groups = { "Functional" })
* (or subtype) feature - case where the start codon is incomplete.
*/
@Test(groups = "Functional")
- public void testGetCdsRanges_fivePrimeIncomplete()
+ public void testFindCdsPositions_fivePrimeIncomplete()
{
SequenceI dnaSeq = new Sequence("dna", "aaagGGCCCaaaTTTttt");
dnaSeq.createDatasetSequence();
* (or subtype) feature.
*/
@Test(groups = "Functional")
- public void testGetCdsRanges()
+ public void testFindCdsPositions()
{
SequenceI dnaSeq = new Sequence("dna", "aaaGGGcccAAATTTttt");
dnaSeq.createDatasetSequence();
SequenceI ds = dnaSeq.getDatasetSequence();
- // CDS for dna 3-6
- SequenceFeature sf = new SequenceFeature("CDS", "", 4, 6, 0f, null);
+ // CDS for dna 10-12
+ SequenceFeature sf = new SequenceFeature("CDS_predicted", "", 10, 12,
+ 0f, null);
+ sf.setStrand("+");
+ ds.addSequenceFeature(sf);
+ // CDS for dna 4-6
+ sf = new SequenceFeature("CDS", "", 4, 6, 0f, null);
+ sf.setStrand("+");
ds.addSequenceFeature(sf);
// exon feature should be ignored here
sf = new SequenceFeature("exon", "", 7, 9, 0f, null);
ds.addSequenceFeature(sf);
- // CDS for dna 10-12
- sf = new SequenceFeature("CDS_predicted", "", 10, 12, 0f, null);
- ds.addSequenceFeature(sf);
List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
+ /*
+ * verify ranges { [4-6], [12-10] }
+ * note CDS ranges are ordered ascending even if the CDS
+ * features are not
+ */
assertEquals(6, MappingUtils.getLength(ranges));
assertEquals(2, ranges.size());
assertEquals(4, ranges.get(0)[0]);
variants = AlignmentUtils.computePeptideVariants(codonVariants, "S");
assertEquals("[C, R, T, W]", variants.toString());
}
+
+ /**
+ * Tests for the method that maps the subset of a dna sequence that has CDS
+ * (or subtype) feature, with CDS strand = '-' (reverse)
+ */
+ // test turned off as currently findCdsPositions is not strand-dependent
+ // left in case it comes around again...
+ @Test(groups = "Functional", enabled = false)
+ public void testFindCdsPositions_reverseStrand()
+ {
+ SequenceI dnaSeq = new Sequence("dna", "aaaGGGcccAAATTTttt");
+ dnaSeq.createDatasetSequence();
+ SequenceI ds = dnaSeq.getDatasetSequence();
+
+ // CDS for dna 4-6
+ SequenceFeature sf = new SequenceFeature("CDS", "", 4, 6, 0f, null);
+ sf.setStrand("-");
+ ds.addSequenceFeature(sf);
+ // exon feature should be ignored here
+ sf = new SequenceFeature("exon", "", 7, 9, 0f, null);
+ ds.addSequenceFeature(sf);
+ // CDS for dna 10-12
+ sf = new SequenceFeature("CDS_predicted", "", 10, 12, 0f, null);
+ sf.setStrand("-");
+ ds.addSequenceFeature(sf);
+
+ List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
+ /*
+ * verify ranges { [12-10], [6-4] }
+ */
+ assertEquals(6, MappingUtils.getLength(ranges));
+ assertEquals(2, ranges.size());
+ assertEquals(12, ranges.get(0)[0]);
+ assertEquals(10, ranges.get(0)[1]);
+ assertEquals(6, ranges.get(1)[0]);
+ assertEquals(4, ranges.get(1)[1]);
+ }
+
+ /**
+ * Tests for the method that maps the subset of a dna sequence that has CDS
+ * (or subtype) feature - reverse strand case where the start codon is
+ * incomplete.
+ */
+ @Test(groups = "Functional", enabled = false)
+ // test turned off as currently findCdsPositions is not strand-dependent
+ // left in case it comes around again...
+ public void testFindCdsPositions_reverseStrandThreePrimeIncomplete()
+ {
+ SequenceI dnaSeq = new Sequence("dna", "aaagGGCCCaaaTTTttt");
+ dnaSeq.createDatasetSequence();
+ SequenceI ds = dnaSeq.getDatasetSequence();
+
+ // CDS for dna 5-9
+ SequenceFeature sf = new SequenceFeature("CDS", "", 5, 9, 0f, null);
+ sf.setStrand("-");
+ ds.addSequenceFeature(sf);
+ // CDS for dna 13-15
+ sf = new SequenceFeature("CDS_predicted", "", 13, 15, 0f, null);
+ sf.setStrand("-");
+ sf.setPhase("2"); // skip 2 bases to start of next codon
+ ds.addSequenceFeature(sf);
+
+ List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
+
+ /*
+ * check the mapping starts with the first complete codon
+ * expect ranges [13, 13], [9, 5]
+ */
+ assertEquals(6, MappingUtils.getLength(ranges));
+ assertEquals(2, ranges.size());
+ assertEquals(13, ranges.get(0)[0]);
+ assertEquals(13, ranges.get(0)[1]);
+ assertEquals(9, ranges.get(1)[0]);
+ assertEquals(5, ranges.get(1)[1]);
+ }
+
+ @Test(groups = "Functional")
+ public void testAlignAs_alternateTranscriptsUngapped()
+ {
+ SequenceI dna1 = new Sequence("dna1", "cccGGGTTTaaa");
+ SequenceI dna2 = new Sequence("dna2", "CCCgggtttAAA");
+ AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2 });
+ ((Alignment) dna).createDatasetAlignment();
+ SequenceI cds1 = new Sequence("cds1", "GGGTTT");
+ SequenceI cds2 = new Sequence("cds2", "CCCAAA");
+ AlignmentI cds = new Alignment(new SequenceI[] { cds1, cds2 });
+ ((Alignment) cds).createDatasetAlignment();
+
+ AlignedCodonFrame acf = new AlignedCodonFrame();
+ MapList map = new MapList(new int[] { 4, 9 }, new int[] { 1, 6 }, 1, 1);
+ acf.addMap(dna1.getDatasetSequence(), cds1.getDatasetSequence(), map);
+ map = new MapList(new int[] { 1, 3, 10, 12 }, new int[] { 1, 6 }, 1, 1);
+ acf.addMap(dna2.getDatasetSequence(), cds2.getDatasetSequence(), map);
+
+ /*
+ * verify CDS alignment is as:
+ * cccGGGTTTaaa (cdna)
+ * CCCgggtttAAA (cdna)
+ *
+ * ---GGGTTT--- (cds)
+ * CCC------AAA (cds)
+ */
+ dna.addCodonFrame(acf);
+ AlignmentUtils.alignAs(cds, dna);
+ assertEquals("---GGGTTT---", cds.getSequenceAt(0).getSequenceAsString());
+ assertEquals("CCC------AAA", cds.getSequenceAt(1).getSequenceAsString());
+ }
}
git://source.jalview.org / jalview.git / blobdiff