2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.analysis;
23 import static org.testng.AssertJUnit.assertEquals;
24 import static org.testng.AssertJUnit.assertFalse;
25 import static org.testng.AssertJUnit.assertNotNull;
26 import static org.testng.AssertJUnit.assertNull;
27 import static org.testng.AssertJUnit.assertSame;
28 import static org.testng.AssertJUnit.assertTrue;
30 import jalview.analysis.AlignmentUtils.DnaVariant;
31 import jalview.datamodel.AlignedCodonFrame;
32 import jalview.datamodel.Alignment;
33 import jalview.datamodel.AlignmentAnnotation;
34 import jalview.datamodel.AlignmentI;
35 import jalview.datamodel.Annotation;
36 import jalview.datamodel.DBRefEntry;
37 import jalview.datamodel.GeneLociI;
38 import jalview.datamodel.Mapping;
39 import jalview.datamodel.SearchResultMatchI;
40 import jalview.datamodel.SearchResultsI;
41 import jalview.datamodel.Sequence;
42 import jalview.datamodel.SequenceFeature;
43 import jalview.datamodel.SequenceI;
44 import jalview.datamodel.features.SequenceFeatures;
45 import jalview.gui.JvOptionPane;
46 import jalview.io.AppletFormatAdapter;
47 import jalview.io.DataSourceType;
48 import jalview.io.FileFormat;
49 import jalview.io.FileFormatI;
50 import jalview.io.FormatAdapter;
51 import jalview.io.gff.SequenceOntologyI;
52 import jalview.util.MapList;
53 import jalview.util.MappingUtils;
55 import java.io.IOException;
56 import java.util.ArrayList;
57 import java.util.Arrays;
58 import java.util.LinkedHashMap;
59 import java.util.List;
61 import java.util.TreeMap;
63 import org.testng.annotations.BeforeClass;
64 import org.testng.annotations.Test;
66 public class AlignmentUtilsTests
68 private static Sequence ts = new Sequence("short",
69 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklm");
71 @BeforeClass(alwaysRun = true)
72 public void setUpJvOptionPane()
74 JvOptionPane.setInteractiveMode(false);
75 JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
78 @Test(groups = { "Functional" })
79 public void testExpandContext()
81 AlignmentI al = new Alignment(new Sequence[] {});
82 for (int i = 4; i < 14; i += 2)
84 SequenceI s1 = ts.deriveSequence().getSubSequence(i, i + 7);
87 System.out.println(new AppletFormatAdapter().formatSequences(
90 for (int flnk = -1; flnk < 25; flnk++)
92 AlignmentI exp = AlignmentUtils.expandContext(al, flnk);
93 System.out.println("\nFlank size: " + flnk);
94 System.out.println(new AppletFormatAdapter().formatSequences(
95 FileFormat.Clustal, exp, true));
99 * Full expansion to complete sequences
101 for (SequenceI sq : exp.getSequences())
103 String ung = sq.getSequenceAsString().replaceAll("-+", "");
104 final String errorMsg = "Flanking sequence not the same as original dataset sequence.\n"
107 + sq.getDatasetSequence().getSequenceAsString();
108 assertTrue(errorMsg, ung.equalsIgnoreCase(sq.getDatasetSequence()
109 .getSequenceAsString()));
115 * Last sequence is fully expanded, others have leading gaps to match
117 assertTrue(exp.getSequenceAt(4).getSequenceAsString()
119 assertTrue(exp.getSequenceAt(3).getSequenceAsString()
120 .startsWith("--abc"));
121 assertTrue(exp.getSequenceAt(2).getSequenceAsString()
122 .startsWith("----abc"));
123 assertTrue(exp.getSequenceAt(1).getSequenceAsString()
124 .startsWith("------abc"));
125 assertTrue(exp.getSequenceAt(0).getSequenceAsString()
126 .startsWith("--------abc"));
132 * Test that annotations are correctly adjusted by expandContext
134 @Test(groups = { "Functional" })
135 public void testExpandContext_annotation()
137 AlignmentI al = new Alignment(new Sequence[] {});
138 SequenceI ds = new Sequence("Seq1", "ABCDEFGHI");
140 SequenceI seq1 = ds.deriveSequence().getSubSequence(3, 6);
141 al.addSequence(seq1);
144 * Annotate DEF with 4/5/6 respectively
146 Annotation[] anns = new Annotation[] { new Annotation(4),
147 new Annotation(5), new Annotation(6) };
148 AlignmentAnnotation ann = new AlignmentAnnotation("SS",
149 "secondary structure", anns);
150 seq1.addAlignmentAnnotation(ann);
153 * The annotations array should match aligned positions
155 assertEquals(3, ann.annotations.length);
156 assertEquals(4, ann.annotations[0].value, 0.001);
157 assertEquals(5, ann.annotations[1].value, 0.001);
158 assertEquals(6, ann.annotations[2].value, 0.001);
161 * Check annotation to sequence position mappings before expanding the
162 * sequence; these are set up in Sequence.addAlignmentAnnotation ->
163 * Annotation.setSequenceRef -> createSequenceMappings
165 assertNull(ann.getAnnotationForPosition(1));
166 assertNull(ann.getAnnotationForPosition(2));
167 assertNull(ann.getAnnotationForPosition(3));
168 assertEquals(4, ann.getAnnotationForPosition(4).value, 0.001);
169 assertEquals(5, ann.getAnnotationForPosition(5).value, 0.001);
170 assertEquals(6, ann.getAnnotationForPosition(6).value, 0.001);
171 assertNull(ann.getAnnotationForPosition(7));
172 assertNull(ann.getAnnotationForPosition(8));
173 assertNull(ann.getAnnotationForPosition(9));
176 * Expand the subsequence to the full sequence abcDEFghi
178 AlignmentI expanded = AlignmentUtils.expandContext(al, -1);
179 assertEquals("abcDEFghi", expanded.getSequenceAt(0)
180 .getSequenceAsString());
183 * Confirm the alignment and sequence have the same SS annotation,
184 * referencing the expanded sequence
186 ann = expanded.getSequenceAt(0).getAnnotation()[0];
187 assertSame(ann, expanded.getAlignmentAnnotation()[0]);
188 assertSame(expanded.getSequenceAt(0), ann.sequenceRef);
191 * The annotations array should have null values except for annotated
194 assertNull(ann.annotations[0]);
195 assertNull(ann.annotations[1]);
196 assertNull(ann.annotations[2]);
197 assertEquals(4, ann.annotations[3].value, 0.001);
198 assertEquals(5, ann.annotations[4].value, 0.001);
199 assertEquals(6, ann.annotations[5].value, 0.001);
200 assertNull(ann.annotations[6]);
201 assertNull(ann.annotations[7]);
202 assertNull(ann.annotations[8]);
205 * sequence position mappings should be unchanged
207 assertNull(ann.getAnnotationForPosition(1));
208 assertNull(ann.getAnnotationForPosition(2));
209 assertNull(ann.getAnnotationForPosition(3));
210 assertEquals(4, ann.getAnnotationForPosition(4).value, 0.001);
211 assertEquals(5, ann.getAnnotationForPosition(5).value, 0.001);
212 assertEquals(6, ann.getAnnotationForPosition(6).value, 0.001);
213 assertNull(ann.getAnnotationForPosition(7));
214 assertNull(ann.getAnnotationForPosition(8));
215 assertNull(ann.getAnnotationForPosition(9));
219 * Test method that returns a map of lists of sequences by sequence name.
221 * @throws IOException
223 @Test(groups = { "Functional" })
224 public void testGetSequencesByName() throws IOException
226 final String data = ">Seq1Name\nKQYL\n" + ">Seq2Name\nRFPW\n"
227 + ">Seq1Name\nABCD\n";
228 AlignmentI al = loadAlignment(data, FileFormat.Fasta);
229 Map<String, List<SequenceI>> map = AlignmentUtils
230 .getSequencesByName(al);
231 assertEquals(2, map.keySet().size());
232 assertEquals(2, map.get("Seq1Name").size());
233 assertEquals("KQYL", map.get("Seq1Name").get(0).getSequenceAsString());
234 assertEquals("ABCD", map.get("Seq1Name").get(1).getSequenceAsString());
235 assertEquals(1, map.get("Seq2Name").size());
236 assertEquals("RFPW", map.get("Seq2Name").get(0).getSequenceAsString());
240 * Helper method to load an alignment and ensure dataset sequences are set up.
246 * @throws IOException
248 protected AlignmentI loadAlignment(final String data, FileFormatI format)
251 AlignmentI a = new FormatAdapter().readFile(data,
252 DataSourceType.PASTE, format);
258 * Test mapping of protein to cDNA, for the case where we have no sequence
259 * cross-references, so mappings are made first-served 1-1 where sequences
262 * @throws IOException
264 @Test(groups = { "Functional" })
265 public void testMapProteinAlignmentToCdna_noXrefs() throws IOException
267 List<SequenceI> protseqs = new ArrayList<>();
268 protseqs.add(new Sequence("UNIPROT|V12345", "EIQ"));
269 protseqs.add(new Sequence("UNIPROT|V12346", "EIQ"));
270 protseqs.add(new Sequence("UNIPROT|V12347", "SAR"));
271 AlignmentI protein = new Alignment(protseqs.toArray(new SequenceI[3]));
272 protein.setDataset(null);
274 List<SequenceI> dnaseqs = new ArrayList<>();
275 dnaseqs.add(new Sequence("EMBL|A11111", "TCAGCACGC")); // = SAR
276 dnaseqs.add(new Sequence("EMBL|A22222", "GAGATACAA")); // = EIQ
277 dnaseqs.add(new Sequence("EMBL|A33333", "GAAATCCAG")); // = EIQ
278 dnaseqs.add(new Sequence("EMBL|A44444", "GAAATTCAG")); // = EIQ
279 AlignmentI cdna = new Alignment(dnaseqs.toArray(new SequenceI[4]));
280 cdna.setDataset(null);
282 assertTrue(AlignmentUtils.mapProteinAlignmentToCdna(protein, cdna));
284 // 3 mappings made, each from 1 to 1 sequence
285 assertEquals(3, protein.getCodonFrames().size());
286 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(0)).size());
287 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(1)).size());
288 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(2)).size());
290 // V12345 mapped to A22222
291 AlignedCodonFrame acf = protein.getCodonFrame(protein.getSequenceAt(0))
293 assertEquals(1, acf.getdnaSeqs().length);
294 assertEquals(cdna.getSequenceAt(1).getDatasetSequence(),
295 acf.getdnaSeqs()[0]);
296 Mapping[] protMappings = acf.getProtMappings();
297 assertEquals(1, protMappings.length);
298 MapList mapList = protMappings[0].getMap();
299 assertEquals(3, mapList.getFromRatio());
300 assertEquals(1, mapList.getToRatio());
301 assertTrue(Arrays.equals(new int[] { 1, 9 }, mapList.getFromRanges()
303 assertEquals(1, mapList.getFromRanges().size());
304 assertTrue(Arrays.equals(new int[] { 1, 3 },
305 mapList.getToRanges().get(0)));
306 assertEquals(1, mapList.getToRanges().size());
308 // V12346 mapped to A33333
309 acf = protein.getCodonFrame(protein.getSequenceAt(1)).get(0);
310 assertEquals(1, acf.getdnaSeqs().length);
311 assertEquals(cdna.getSequenceAt(2).getDatasetSequence(),
312 acf.getdnaSeqs()[0]);
314 // V12347 mapped to A11111
315 acf = protein.getCodonFrame(protein.getSequenceAt(2)).get(0);
316 assertEquals(1, acf.getdnaSeqs().length);
317 assertEquals(cdna.getSequenceAt(0).getDatasetSequence(),
318 acf.getdnaSeqs()[0]);
320 // no mapping involving the 'extra' A44444
321 assertTrue(protein.getCodonFrame(cdna.getSequenceAt(3)).isEmpty());
325 * Test for the alignSequenceAs method that takes two sequences and a mapping.
327 @Test(groups = { "Functional" })
328 public void testAlignSequenceAs_withMapping_noIntrons()
330 MapList map = new MapList(new int[] { 1, 6 }, new int[] { 1, 2 }, 3, 1);
333 * No existing gaps in dna:
335 checkAlignSequenceAs("GGGAAA", "-A-L-", false, false, map,
339 * Now introduce gaps in dna but ignore them when realigning.
341 checkAlignSequenceAs("-G-G-G-A-A-A-", "-A-L-", false, false, map,
345 * Now include gaps in dna when realigning. First retaining 'mapped' gaps
346 * only, i.e. those within the exon region.
348 checkAlignSequenceAs("-G-G--G-A--A-A-", "-A-L-", true, false, map,
349 "---G-G--G---A--A-A");
352 * Include all gaps in dna when realigning (within and without the exon
353 * region). The leading gap, and the gaps between codons, are subsumed by
354 * the protein alignment gap.
356 checkAlignSequenceAs("-G-GG--AA-A---", "-A-L-", true, true, map,
357 "---G-GG---AA-A---");
360 * Include only unmapped gaps in dna when realigning (outside the exon
361 * region). The leading gap, and the gaps between codons, are subsumed by
362 * the protein alignment gap.
364 checkAlignSequenceAs("-G-GG--AA-A-", "-A-L-", false, true, map,
369 * Test for the alignSequenceAs method that takes two sequences and a mapping.
371 @Test(groups = { "Functional" })
372 public void testAlignSequenceAs_withMapping_withIntrons()
375 * Exons at codon 2 (AAA) and 4 (TTT)
377 MapList map = new MapList(new int[] { 4, 6, 10, 12 },
378 new int[] { 1, 2 }, 3, 1);
381 * Simple case: no gaps in dna
383 checkAlignSequenceAs("GGGAAACCCTTTGGG", "--A-L-", false, false, map,
384 "GGG---AAACCCTTTGGG");
387 * Add gaps to dna - but ignore when realigning.
389 checkAlignSequenceAs("-G-G-G--A--A---AC-CC-T-TT-GG-G-", "--A-L-",
390 false, false, map, "GGG---AAACCCTTTGGG");
393 * Add gaps to dna - include within exons only when realigning.
395 checkAlignSequenceAs("-G-G-G--A--A---A-C-CC-T-TT-GG-G-", "--A-L-",
396 true, false, map, "GGG---A--A---ACCCT-TTGGG");
399 * Include gaps outside exons only when realigning.
401 checkAlignSequenceAs("-G-G-G--A--A---A-C-CC-T-TT-GG-G-", "--A-L-",
402 false, true, map, "-G-G-GAAAC-CCTTT-GG-G-");
405 * Include gaps following first intron if we are 'preserving mapped gaps'
407 checkAlignSequenceAs("-G-G-G--A--A---A-C-CC-T-TT-GG-G-", "--A-L-",
408 true, true, map, "-G-G-G--A--A---A-C-CC-T-TT-GG-G-");
411 * Include all gaps in dna when realigning.
413 checkAlignSequenceAs("-G-G-G--A--A---A-C-CC-T-TT-GG-G-", "--A-L-",
414 true, true, map, "-G-G-G--A--A---A-C-CC-T-TT-GG-G-");
418 * Test for the case where not all of the protein sequence is mapped to cDNA.
420 @Test(groups = { "Functional" })
421 public void testAlignSequenceAs_withMapping_withUnmappedProtein()
424 * Exons at codon 2 (AAA) and 4 (TTT) mapped to A and P
426 final MapList map = new MapList(new int[] { 4, 6, 10, 12 }, new int[] {
430 * -L- 'aligns' ccc------
432 checkAlignSequenceAs("gggAAAcccTTTggg", "-A-L-P-", false, false, map,
433 "gggAAAccc------TTTggg");
437 * Helper method that performs and verifies the method under test.
440 * the sequence to be realigned
442 * the sequence whose alignment is to be copied
443 * @param preserveMappedGaps
444 * @param preserveUnmappedGaps
448 protected void checkAlignSequenceAs(final String alignee,
449 final String alignModel, final boolean preserveMappedGaps,
450 final boolean preserveUnmappedGaps, MapList map,
451 final String expected)
453 SequenceI alignMe = new Sequence("Seq1", alignee);
454 alignMe.createDatasetSequence();
455 SequenceI alignFrom = new Sequence("Seq2", alignModel);
456 alignFrom.createDatasetSequence();
457 AlignedCodonFrame acf = new AlignedCodonFrame();
458 acf.addMap(alignMe.getDatasetSequence(),
459 alignFrom.getDatasetSequence(), map);
461 AlignmentUtils.alignSequenceAs(alignMe, alignFrom, acf, "---", '-',
462 preserveMappedGaps, preserveUnmappedGaps);
463 assertEquals(expected, alignMe.getSequenceAsString());
467 * Test for the alignSequenceAs method where we preserve gaps in introns only.
469 @Test(groups = { "Functional" })
470 public void testAlignSequenceAs_keepIntronGapsOnly()
474 * Intron GGGAAA followed by exon CCCTTT
476 MapList map = new MapList(new int[] { 7, 12 }, new int[] { 1, 2 }, 3, 1);
478 checkAlignSequenceAs("GG-G-AA-A-C-CC-T-TT", "AL", false, true, map,
483 * Test the method that realigns protein to match mapped codon alignment.
485 @Test(groups = { "Functional" })
486 public void testAlignProteinAsDna()
488 // seq1 codons are [1,2,3] [4,5,6] [7,8,9] [10,11,12]
489 SequenceI dna1 = new Sequence("Seq1", "TGCCATTACCAG-");
490 // seq2 codons are [1,3,4] [5,6,7] [8,9,10] [11,12,13]
491 SequenceI dna2 = new Sequence("Seq2", "T-GCCATTACCAG");
492 // seq3 codons are [1,2,3] [4,5,7] [8,9,10] [11,12,13]
493 SequenceI dna3 = new Sequence("Seq3", "TGCCA-TTACCAG");
494 AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2, dna3 });
495 dna.setDataset(null);
497 // protein alignment will be realigned like dna
498 SequenceI prot1 = new Sequence("Seq1", "CHYQ");
499 SequenceI prot2 = new Sequence("Seq2", "CHYQ");
500 SequenceI prot3 = new Sequence("Seq3", "CHYQ");
501 SequenceI prot4 = new Sequence("Seq4", "R-QSV"); // unmapped, unchanged
502 AlignmentI protein = new Alignment(new SequenceI[] { prot1, prot2,
504 protein.setDataset(null);
506 MapList map = new MapList(new int[] { 1, 12 }, new int[] { 1, 4 }, 3, 1);
507 AlignedCodonFrame acf = new AlignedCodonFrame();
508 acf.addMap(dna1.getDatasetSequence(), prot1.getDatasetSequence(), map);
509 acf.addMap(dna2.getDatasetSequence(), prot2.getDatasetSequence(), map);
510 acf.addMap(dna3.getDatasetSequence(), prot3.getDatasetSequence(), map);
511 ArrayList<AlignedCodonFrame> acfs = new ArrayList<>();
513 protein.setCodonFrames(acfs);
516 * Translated codon order is [1,2,3] [1,3,4] [4,5,6] [4,5,7] [5,6,7] [7,8,9]
517 * [8,9,10] [10,11,12] [11,12,13]
519 AlignmentUtils.alignProteinAsDna(protein, dna);
520 assertEquals("C-H--Y-Q-", prot1.getSequenceAsString());
521 assertEquals("-C--H-Y-Q", prot2.getSequenceAsString());
522 assertEquals("C--H--Y-Q", prot3.getSequenceAsString());
523 assertEquals("R-QSV", prot4.getSequenceAsString());
527 * Test the method that tests whether a CDNA sequence translates to a protein
530 @Test(groups = { "Functional" })
531 public void testTranslatesAs()
533 // null arguments check
534 assertFalse(AlignmentUtils.translatesAs(null, 0, null));
535 assertFalse(AlignmentUtils.translatesAs(new char[] { 't' }, 0, null));
536 assertFalse(AlignmentUtils.translatesAs(null, 0, new char[] { 'a' }));
538 // straight translation
539 assertTrue(AlignmentUtils.translatesAs("tttcccaaaggg".toCharArray(), 0,
540 "FPKG".toCharArray()));
541 // with extra start codon (not in protein)
542 assertTrue(AlignmentUtils.translatesAs("atgtttcccaaaggg".toCharArray(),
543 3, "FPKG".toCharArray()));
544 // with stop codon1 (not in protein)
545 assertTrue(AlignmentUtils.translatesAs("tttcccaaagggtaa".toCharArray(),
546 0, "FPKG".toCharArray()));
547 // with stop codon1 (in protein as *)
548 assertTrue(AlignmentUtils.translatesAs("tttcccaaagggtaa".toCharArray(),
549 0, "FPKG*".toCharArray()));
550 // with stop codon2 (not in protein)
551 assertTrue(AlignmentUtils.translatesAs("tttcccaaagggtag".toCharArray(),
552 0, "FPKG".toCharArray()));
553 // with stop codon3 (not in protein)
554 assertTrue(AlignmentUtils.translatesAs("tttcccaaagggtga".toCharArray(),
555 0, "FPKG".toCharArray()));
556 // with start and stop codon1
557 assertTrue(AlignmentUtils.translatesAs(
558 "atgtttcccaaagggtaa".toCharArray(), 3, "FPKG".toCharArray()));
559 // with start and stop codon1 (in protein as *)
560 assertTrue(AlignmentUtils.translatesAs(
561 "atgtttcccaaagggtaa".toCharArray(), 3, "FPKG*".toCharArray()));
562 // with start and stop codon2
563 assertTrue(AlignmentUtils.translatesAs(
564 "atgtttcccaaagggtag".toCharArray(), 3, "FPKG".toCharArray()));
565 // with start and stop codon3
566 assertTrue(AlignmentUtils.translatesAs(
567 "atgtttcccaaagggtga".toCharArray(), 3, "FPKG".toCharArray()));
569 // with embedded stop codons
570 assertTrue(AlignmentUtils.translatesAs(
571 "atgtttTAGcccaaaTAAgggtga".toCharArray(), 3,
572 "F*PK*G".toCharArray()));
575 assertFalse(AlignmentUtils.translatesAs("tttcccaaaggg".toCharArray(),
576 0, "FPMG".toCharArray()));
579 assertFalse(AlignmentUtils.translatesAs("tttcccaaagg".toCharArray(), 0,
580 "FPKG".toCharArray()));
583 assertFalse(AlignmentUtils.translatesAs("tttcccaaaggg".toCharArray(),
584 0, "FPK".toCharArray()));
586 // overlong dna (doesn't end in stop codon)
587 assertFalse(AlignmentUtils.translatesAs(
588 "tttcccaaagggttt".toCharArray(), 0, "FPKG".toCharArray()));
590 // dna + stop codon + more
591 assertFalse(AlignmentUtils.translatesAs(
592 "tttcccaaagggttaga".toCharArray(), 0, "FPKG".toCharArray()));
595 assertFalse(AlignmentUtils.translatesAs("tttcccaaaggg".toCharArray(),
596 0, "FPKGQ".toCharArray()));
600 * Test mapping of protein to cDNA, for cases where the cDNA has start and/or
601 * stop codons in addition to the protein coding sequence.
603 * @throws IOException
605 @Test(groups = { "Functional" })
606 public void testMapProteinAlignmentToCdna_withStartAndStopCodons()
609 List<SequenceI> protseqs = new ArrayList<>();
610 protseqs.add(new Sequence("UNIPROT|V12345", "EIQ"));
611 protseqs.add(new Sequence("UNIPROT|V12346", "EIQ"));
612 protseqs.add(new Sequence("UNIPROT|V12347", "SAR"));
613 AlignmentI protein = new Alignment(protseqs.toArray(new SequenceI[3]));
614 protein.setDataset(null);
616 List<SequenceI> dnaseqs = new ArrayList<>();
618 dnaseqs.add(new Sequence("EMBL|A11111", "ATGTCAGCACGC"));
620 dnaseqs.add(new Sequence("EMBL|A22222", "GAGATACAATAA"));
621 // = start +EIQ + stop
622 dnaseqs.add(new Sequence("EMBL|A33333", "ATGGAAATCCAGTAG"));
623 dnaseqs.add(new Sequence("EMBL|A44444", "GAAATTCAG"));
624 AlignmentI cdna = new Alignment(dnaseqs.toArray(new SequenceI[4]));
625 cdna.setDataset(null);
627 assertTrue(AlignmentUtils.mapProteinAlignmentToCdna(protein, cdna));
629 // 3 mappings made, each from 1 to 1 sequence
630 assertEquals(3, protein.getCodonFrames().size());
631 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(0)).size());
632 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(1)).size());
633 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(2)).size());
635 // V12345 mapped from A22222
636 AlignedCodonFrame acf = protein.getCodonFrame(protein.getSequenceAt(0))
638 assertEquals(1, acf.getdnaSeqs().length);
639 assertEquals(cdna.getSequenceAt(1).getDatasetSequence(),
640 acf.getdnaSeqs()[0]);
641 Mapping[] protMappings = acf.getProtMappings();
642 assertEquals(1, protMappings.length);
643 MapList mapList = protMappings[0].getMap();
644 assertEquals(3, mapList.getFromRatio());
645 assertEquals(1, mapList.getToRatio());
646 assertTrue(Arrays.equals(new int[] { 1, 9 }, mapList.getFromRanges()
648 assertEquals(1, mapList.getFromRanges().size());
649 assertTrue(Arrays.equals(new int[] { 1, 3 },
650 mapList.getToRanges().get(0)));
651 assertEquals(1, mapList.getToRanges().size());
653 // V12346 mapped from A33333 starting position 4
654 acf = protein.getCodonFrame(protein.getSequenceAt(1)).get(0);
655 assertEquals(1, acf.getdnaSeqs().length);
656 assertEquals(cdna.getSequenceAt(2).getDatasetSequence(),
657 acf.getdnaSeqs()[0]);
658 protMappings = acf.getProtMappings();
659 assertEquals(1, protMappings.length);
660 mapList = protMappings[0].getMap();
661 assertEquals(3, mapList.getFromRatio());
662 assertEquals(1, mapList.getToRatio());
663 assertTrue(Arrays.equals(new int[] { 4, 12 }, mapList.getFromRanges()
665 assertEquals(1, mapList.getFromRanges().size());
666 assertTrue(Arrays.equals(new int[] { 1, 3 },
667 mapList.getToRanges().get(0)));
668 assertEquals(1, mapList.getToRanges().size());
670 // V12347 mapped to A11111 starting position 4
671 acf = protein.getCodonFrame(protein.getSequenceAt(2)).get(0);
672 assertEquals(1, acf.getdnaSeqs().length);
673 assertEquals(cdna.getSequenceAt(0).getDatasetSequence(),
674 acf.getdnaSeqs()[0]);
675 protMappings = acf.getProtMappings();
676 assertEquals(1, protMappings.length);
677 mapList = protMappings[0].getMap();
678 assertEquals(3, mapList.getFromRatio());
679 assertEquals(1, mapList.getToRatio());
680 assertTrue(Arrays.equals(new int[] { 4, 12 }, mapList.getFromRanges()
682 assertEquals(1, mapList.getFromRanges().size());
683 assertTrue(Arrays.equals(new int[] { 1, 3 },
684 mapList.getToRanges().get(0)));
685 assertEquals(1, mapList.getToRanges().size());
687 // no mapping involving the 'extra' A44444
688 assertTrue(protein.getCodonFrame(cdna.getSequenceAt(3)).isEmpty());
692 * Test mapping of protein to cDNA, for the case where we have some sequence
693 * cross-references. Verify that 1-to-many mappings are made where
694 * cross-references exist and sequences are mappable.
696 * @throws IOException
698 @Test(groups = { "Functional" })
699 public void testMapProteinAlignmentToCdna_withXrefs() throws IOException
701 List<SequenceI> protseqs = new ArrayList<>();
702 protseqs.add(new Sequence("UNIPROT|V12345", "EIQ"));
703 protseqs.add(new Sequence("UNIPROT|V12346", "EIQ"));
704 protseqs.add(new Sequence("UNIPROT|V12347", "SAR"));
705 AlignmentI protein = new Alignment(protseqs.toArray(new SequenceI[3]));
706 protein.setDataset(null);
708 List<SequenceI> dnaseqs = new ArrayList<>();
709 dnaseqs.add(new Sequence("EMBL|A11111", "TCAGCACGC")); // = SAR
710 dnaseqs.add(new Sequence("EMBL|A22222", "ATGGAGATACAA")); // = start + EIQ
711 dnaseqs.add(new Sequence("EMBL|A33333", "GAAATCCAG")); // = EIQ
712 dnaseqs.add(new Sequence("EMBL|A44444", "GAAATTCAG")); // = EIQ
713 dnaseqs.add(new Sequence("EMBL|A55555", "GAGATTCAG")); // = EIQ
714 AlignmentI cdna = new Alignment(dnaseqs.toArray(new SequenceI[5]));
715 cdna.setDataset(null);
717 // Xref A22222 to V12345 (should get mapped)
718 dnaseqs.get(1).addDBRef(new DBRefEntry("UNIPROT", "1", "V12345"));
719 // Xref V12345 to A44444 (should get mapped)
720 protseqs.get(0).addDBRef(new DBRefEntry("EMBL", "1", "A44444"));
721 // Xref A33333 to V12347 (sequence mismatch - should not get mapped)
722 dnaseqs.get(2).addDBRef(new DBRefEntry("UNIPROT", "1", "V12347"));
723 // as V12345 is mapped to A22222 and A44444, this leaves V12346 unmapped.
724 // it should get paired up with the unmapped A33333
725 // A11111 should be mapped to V12347
726 // A55555 is spare and has no xref so is not mapped
728 assertTrue(AlignmentUtils.mapProteinAlignmentToCdna(protein, cdna));
730 // 4 protein mappings made for 3 proteins, 2 to V12345, 1 each to V12346/7
731 assertEquals(3, protein.getCodonFrames().size());
732 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(0)).size());
733 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(1)).size());
734 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(2)).size());
736 // one mapping for each of the first 4 cDNA sequences
737 assertEquals(1, protein.getCodonFrame(cdna.getSequenceAt(0)).size());
738 assertEquals(1, protein.getCodonFrame(cdna.getSequenceAt(1)).size());
739 assertEquals(1, protein.getCodonFrame(cdna.getSequenceAt(2)).size());
740 assertEquals(1, protein.getCodonFrame(cdna.getSequenceAt(3)).size());
742 // V12345 mapped to A22222 and A44444
743 AlignedCodonFrame acf = protein.getCodonFrame(protein.getSequenceAt(0))
745 assertEquals(2, acf.getdnaSeqs().length);
746 assertEquals(cdna.getSequenceAt(1).getDatasetSequence(),
747 acf.getdnaSeqs()[0]);
748 assertEquals(cdna.getSequenceAt(3).getDatasetSequence(),
749 acf.getdnaSeqs()[1]);
751 // V12346 mapped to A33333
752 acf = protein.getCodonFrame(protein.getSequenceAt(1)).get(0);
753 assertEquals(1, acf.getdnaSeqs().length);
754 assertEquals(cdna.getSequenceAt(2).getDatasetSequence(),
755 acf.getdnaSeqs()[0]);
757 // V12347 mapped to A11111
758 acf = protein.getCodonFrame(protein.getSequenceAt(2)).get(0);
759 assertEquals(1, acf.getdnaSeqs().length);
760 assertEquals(cdna.getSequenceAt(0).getDatasetSequence(),
761 acf.getdnaSeqs()[0]);
763 // no mapping involving the 'extra' A55555
764 assertTrue(protein.getCodonFrame(cdna.getSequenceAt(4)).isEmpty());
768 * Test mapping of protein to cDNA, for the case where we have some sequence
769 * cross-references. Verify that once we have made an xref mapping we don't
770 * also map un-xrefd sequeces.
772 * @throws IOException
774 @Test(groups = { "Functional" })
775 public void testMapProteinAlignmentToCdna_prioritiseXrefs()
778 List<SequenceI> protseqs = new ArrayList<>();
779 protseqs.add(new Sequence("UNIPROT|V12345", "EIQ"));
780 protseqs.add(new Sequence("UNIPROT|V12346", "EIQ"));
781 AlignmentI protein = new Alignment(
782 protseqs.toArray(new SequenceI[protseqs.size()]));
783 protein.setDataset(null);
785 List<SequenceI> dnaseqs = new ArrayList<>();
786 dnaseqs.add(new Sequence("EMBL|A11111", "GAAATCCAG")); // = EIQ
787 dnaseqs.add(new Sequence("EMBL|A22222", "GAAATTCAG")); // = EIQ
788 AlignmentI cdna = new Alignment(dnaseqs.toArray(new SequenceI[dnaseqs
790 cdna.setDataset(null);
792 // Xref A22222 to V12345 (should get mapped)
793 // A11111 should then be mapped to the unmapped V12346
794 dnaseqs.get(1).addDBRef(new DBRefEntry("UNIPROT", "1", "V12345"));
796 assertTrue(AlignmentUtils.mapProteinAlignmentToCdna(protein, cdna));
798 // 2 protein mappings made
799 assertEquals(2, protein.getCodonFrames().size());
800 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(0)).size());
801 assertEquals(1, protein.getCodonFrame(protein.getSequenceAt(1)).size());
803 // one mapping for each of the cDNA sequences
804 assertEquals(1, protein.getCodonFrame(cdna.getSequenceAt(0)).size());
805 assertEquals(1, protein.getCodonFrame(cdna.getSequenceAt(1)).size());
807 // V12345 mapped to A22222
808 AlignedCodonFrame acf = protein.getCodonFrame(protein.getSequenceAt(0))
810 assertEquals(1, acf.getdnaSeqs().length);
811 assertEquals(cdna.getSequenceAt(1).getDatasetSequence(),
812 acf.getdnaSeqs()[0]);
814 // V12346 mapped to A11111
815 acf = protein.getCodonFrame(protein.getSequenceAt(1)).get(0);
816 assertEquals(1, acf.getdnaSeqs().length);
817 assertEquals(cdna.getSequenceAt(0).getDatasetSequence(),
818 acf.getdnaSeqs()[0]);
822 * Test the method that shows or hides sequence annotations by type(s) and
825 @Test(groups = { "Functional" })
826 public void testShowOrHideSequenceAnnotations()
828 SequenceI seq1 = new Sequence("Seq1", "AAA");
829 SequenceI seq2 = new Sequence("Seq2", "BBB");
830 SequenceI seq3 = new Sequence("Seq3", "CCC");
831 Annotation[] anns = new Annotation[] { new Annotation(2f) };
832 AlignmentAnnotation ann1 = new AlignmentAnnotation("Structure", "ann1",
834 ann1.setSequenceRef(seq1);
835 AlignmentAnnotation ann2 = new AlignmentAnnotation("Structure", "ann2",
837 ann2.setSequenceRef(seq2);
838 AlignmentAnnotation ann3 = new AlignmentAnnotation("Structure", "ann3",
840 AlignmentAnnotation ann4 = new AlignmentAnnotation("Temp", "ann4", anns);
841 ann4.setSequenceRef(seq1);
842 AlignmentAnnotation ann5 = new AlignmentAnnotation("Temp", "ann5", anns);
843 ann5.setSequenceRef(seq2);
844 AlignmentAnnotation ann6 = new AlignmentAnnotation("Temp", "ann6", anns);
845 AlignmentI al = new Alignment(new SequenceI[] { seq1, seq2, seq3 });
846 al.addAnnotation(ann1); // Structure for Seq1
847 al.addAnnotation(ann2); // Structure for Seq2
848 al.addAnnotation(ann3); // Structure for no sequence
849 al.addAnnotation(ann4); // Temp for seq1
850 al.addAnnotation(ann5); // Temp for seq2
851 al.addAnnotation(ann6); // Temp for no sequence
852 List<String> types = new ArrayList<>();
853 List<SequenceI> scope = new ArrayList<>();
856 * Set all sequence related Structure to hidden (ann1, ann2)
858 types.add("Structure");
859 AlignmentUtils.showOrHideSequenceAnnotations(al, types, null, false,
861 assertFalse(ann1.visible);
862 assertFalse(ann2.visible);
863 assertTrue(ann3.visible); // not sequence-related, not affected
864 assertTrue(ann4.visible); // not Structure, not affected
865 assertTrue(ann5.visible); // "
866 assertTrue(ann6.visible); // not sequence-related, not affected
869 * Set Temp in {seq1, seq3} to hidden
875 AlignmentUtils.showOrHideSequenceAnnotations(al, types, scope, false,
877 assertFalse(ann1.visible); // unchanged
878 assertFalse(ann2.visible); // unchanged
879 assertTrue(ann3.visible); // not sequence-related, not affected
880 assertFalse(ann4.visible); // Temp for seq1 hidden
881 assertTrue(ann5.visible); // not in scope, not affected
882 assertTrue(ann6.visible); // not sequence-related, not affected
885 * Set Temp in all sequences to hidden
891 AlignmentUtils.showOrHideSequenceAnnotations(al, types, null, false,
893 assertFalse(ann1.visible); // unchanged
894 assertFalse(ann2.visible); // unchanged
895 assertTrue(ann3.visible); // not sequence-related, not affected
896 assertFalse(ann4.visible); // Temp for seq1 hidden
897 assertFalse(ann5.visible); // Temp for seq2 hidden
898 assertTrue(ann6.visible); // not sequence-related, not affected
901 * Set all types in {seq1, seq3} to visible
907 AlignmentUtils.showOrHideSequenceAnnotations(al, types, scope, true,
909 assertTrue(ann1.visible); // Structure for seq1 set visible
910 assertFalse(ann2.visible); // not in scope, unchanged
911 assertTrue(ann3.visible); // not sequence-related, not affected
912 assertTrue(ann4.visible); // Temp for seq1 set visible
913 assertFalse(ann5.visible); // not in scope, unchanged
914 assertTrue(ann6.visible); // not sequence-related, not affected
917 * Set all types in all scope to hidden
919 AlignmentUtils.showOrHideSequenceAnnotations(al, types, null, true,
921 assertFalse(ann1.visible);
922 assertFalse(ann2.visible);
923 assertTrue(ann3.visible); // not sequence-related, not affected
924 assertFalse(ann4.visible);
925 assertFalse(ann5.visible);
926 assertTrue(ann6.visible); // not sequence-related, not affected
930 * Tests for the method that checks if one sequence cross-references another
932 @Test(groups = { "Functional" })
933 public void testHasCrossRef()
935 assertFalse(AlignmentUtils.hasCrossRef(null, null));
936 SequenceI seq1 = new Sequence("EMBL|A12345", "ABCDEF");
937 assertFalse(AlignmentUtils.hasCrossRef(seq1, null));
938 assertFalse(AlignmentUtils.hasCrossRef(null, seq1));
939 SequenceI seq2 = new Sequence("UNIPROT|V20192", "ABCDEF");
940 assertFalse(AlignmentUtils.hasCrossRef(seq1, seq2));
943 seq1.addDBRef(new DBRefEntry("UNIPROT", "1", "v20193"));
944 assertFalse(AlignmentUtils.hasCrossRef(seq1, seq2));
946 // case-insensitive; version number is ignored
947 seq1.addDBRef(new DBRefEntry("UNIPROT", "1", "v20192"));
948 assertTrue(AlignmentUtils.hasCrossRef(seq1, seq2));
951 seq1.addDBRef(new DBRefEntry("UNIPROT", "1", "V20192"));
952 assertTrue(AlignmentUtils.hasCrossRef(seq1, seq2));
953 // test is one-way only
954 assertFalse(AlignmentUtils.hasCrossRef(seq2, seq1));
958 * Tests for the method that checks if either sequence cross-references the
961 @Test(groups = { "Functional" })
962 public void testHaveCrossRef()
964 assertFalse(AlignmentUtils.hasCrossRef(null, null));
965 SequenceI seq1 = new Sequence("EMBL|A12345", "ABCDEF");
966 assertFalse(AlignmentUtils.haveCrossRef(seq1, null));
967 assertFalse(AlignmentUtils.haveCrossRef(null, seq1));
968 SequenceI seq2 = new Sequence("UNIPROT|V20192", "ABCDEF");
969 assertFalse(AlignmentUtils.haveCrossRef(seq1, seq2));
971 seq1.addDBRef(new DBRefEntry("UNIPROT", "1", "V20192"));
972 assertTrue(AlignmentUtils.haveCrossRef(seq1, seq2));
973 // next is true for haveCrossRef, false for hasCrossRef
974 assertTrue(AlignmentUtils.haveCrossRef(seq2, seq1));
976 // now the other way round
977 seq1.setDBRefs(null);
978 seq2.addDBRef(new DBRefEntry("EMBL", "1", "A12345"));
979 assertTrue(AlignmentUtils.haveCrossRef(seq1, seq2));
980 assertTrue(AlignmentUtils.haveCrossRef(seq2, seq1));
983 seq1.addDBRef(new DBRefEntry("UNIPROT", "1", "V20192"));
984 assertTrue(AlignmentUtils.haveCrossRef(seq1, seq2));
985 assertTrue(AlignmentUtils.haveCrossRef(seq2, seq1));
989 * Test the method that extracts the cds-only part of a dna alignment.
991 @Test(groups = { "Functional" })
992 public void testMakeCdsAlignment()
996 * dna1 --> [4, 6] [10,12] --> pep1
997 * dna2 --> [1, 3] [7, 9] [13,15] --> pep2
999 SequenceI dna1 = new Sequence("dna1", "aaaGGGcccTTTaaa");
1000 SequenceI dna2 = new Sequence("dna2", "GGGcccTTTaaaCCC");
1001 SequenceI pep1 = new Sequence("pep1", "GF");
1002 SequenceI pep2 = new Sequence("pep2", "GFP");
1003 pep1.addDBRef(new DBRefEntry("UNIPROT", "0", "pep1"));
1004 pep2.addDBRef(new DBRefEntry("UNIPROT", "0", "pep2"));
1005 dna1.createDatasetSequence();
1006 dna2.createDatasetSequence();
1007 pep1.createDatasetSequence();
1008 pep2.createDatasetSequence();
1009 AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2 });
1010 dna.setDataset(null);
1013 * put a variant feature on dna2 base 8
1014 * - should transfer to cds2 base 5
1016 dna2.addSequenceFeature(new SequenceFeature("variant", "hgmd", 8, 8,
1020 * need a sourceDbRef if we are to construct dbrefs to the CDS
1021 * sequence from the dna contig sequences
1023 DBRefEntry dbref = new DBRefEntry("ENSEMBL", "0", "dna1");
1024 dna1.getDatasetSequence().addDBRef(dbref);
1025 org.testng.Assert.assertEquals(dbref, dna1.getPrimaryDBRefs().get(0));
1026 dbref = new DBRefEntry("ENSEMBL", "0", "dna2");
1027 dna2.getDatasetSequence().addDBRef(dbref);
1028 org.testng.Assert.assertEquals(dbref, dna2.getPrimaryDBRefs().get(0));
1031 * CDS sequences are 'discovered' from dna-to-protein mappings on the alignment
1032 * dataset (e.g. added from dbrefs by CrossRef.findXrefSequences)
1034 MapList mapfordna1 = new MapList(new int[] { 4, 6, 10, 12 }, new int[] {
1036 AlignedCodonFrame acf = new AlignedCodonFrame();
1037 acf.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(),
1039 dna.addCodonFrame(acf);
1040 MapList mapfordna2 = new MapList(new int[] { 1, 3, 7, 9, 13, 15 },
1041 new int[] { 1, 3 }, 3, 1);
1042 acf = new AlignedCodonFrame();
1043 acf.addMap(dna2.getDatasetSequence(), pep2.getDatasetSequence(),
1045 dna.addCodonFrame(acf);
1048 * In this case, mappings originally came from matching Uniprot accessions
1049 * - so need an xref on dna involving those regions.
1050 * These are normally constructed from CDS annotation
1052 DBRefEntry dna1xref = new DBRefEntry("UNIPROT", "ENSEMBL", "pep1",
1053 new Mapping(mapfordna1));
1054 dna1.addDBRef(dna1xref);
1055 assertEquals(2, dna1.getDBRefs().length); // to self and to pep1
1056 DBRefEntry dna2xref = new DBRefEntry("UNIPROT", "ENSEMBL", "pep2",
1057 new Mapping(mapfordna2));
1058 dna2.addDBRef(dna2xref);
1059 assertEquals(2, dna2.getDBRefs().length); // to self and to pep2
1062 * execute method under test:
1064 AlignmentI cds = AlignmentUtils.makeCdsAlignment(new SequenceI[] {
1065 dna1, dna2 }, dna.getDataset(), null);
1068 * verify cds sequences
1070 assertEquals(2, cds.getSequences().size());
1071 assertEquals("GGGTTT", cds.getSequenceAt(0).getSequenceAsString());
1072 assertEquals("GGGTTTCCC", cds.getSequenceAt(1).getSequenceAsString());
1075 * verify shared, extended alignment dataset
1077 assertSame(dna.getDataset(), cds.getDataset());
1078 SequenceI cds1Dss = cds.getSequenceAt(0).getDatasetSequence();
1079 SequenceI cds2Dss = cds.getSequenceAt(1).getDatasetSequence();
1080 assertTrue(dna.getDataset().getSequences().contains(cds1Dss));
1081 assertTrue(dna.getDataset().getSequences().contains(cds2Dss));
1084 * verify CDS has a dbref with mapping to peptide
1086 assertNotNull(cds1Dss.getDBRefs());
1087 assertEquals(2, cds1Dss.getDBRefs().length);
1088 dbref = cds1Dss.getDBRefs()[0];
1089 assertEquals(dna1xref.getSource(), dbref.getSource());
1090 // version is via ensembl's primary ref
1091 assertEquals(dna1xref.getVersion(), dbref.getVersion());
1092 assertEquals(dna1xref.getAccessionId(), dbref.getAccessionId());
1093 assertNotNull(dbref.getMap());
1094 assertSame(pep1.getDatasetSequence(), dbref.getMap().getTo());
1095 MapList cdsMapping = new MapList(new int[] { 1, 6 },
1096 new int[] { 1, 2 }, 3, 1);
1097 assertEquals(cdsMapping, dbref.getMap().getMap());
1100 * verify peptide has added a dbref with reverse mapping to CDS
1102 assertNotNull(pep1.getDBRefs());
1103 // FIXME pep1.getDBRefs() is 1 - is that the correct behaviour ?
1104 assertEquals(2, pep1.getDBRefs().length);
1105 dbref = pep1.getDBRefs()[1];
1106 assertEquals("ENSEMBL", dbref.getSource());
1107 assertEquals("0", dbref.getVersion());
1108 assertEquals("CDS|dna1", dbref.getAccessionId());
1109 assertNotNull(dbref.getMap());
1110 assertSame(cds1Dss, dbref.getMap().getTo());
1111 assertEquals(cdsMapping.getInverse(), dbref.getMap().getMap());
1114 * verify cDNA has added a dbref with mapping to CDS
1116 assertEquals(3, dna1.getDBRefs().length);
1117 DBRefEntry dbRefEntry = dna1.getDBRefs()[2];
1118 assertSame(cds1Dss, dbRefEntry.getMap().getTo());
1119 MapList dnaToCdsMapping = new MapList(new int[] { 4, 6, 10, 12 },
1120 new int[] { 1, 6 }, 1, 1);
1121 assertEquals(dnaToCdsMapping, dbRefEntry.getMap().getMap());
1122 assertEquals(3, dna2.getDBRefs().length);
1123 dbRefEntry = dna2.getDBRefs()[2];
1124 assertSame(cds2Dss, dbRefEntry.getMap().getTo());
1125 dnaToCdsMapping = new MapList(new int[] { 1, 3, 7, 9, 13, 15 },
1126 new int[] { 1, 9 }, 1, 1);
1127 assertEquals(dnaToCdsMapping, dbRefEntry.getMap().getMap());
1130 * verify CDS has added a dbref with mapping to cDNA
1132 assertEquals(2, cds1Dss.getDBRefs().length);
1133 dbRefEntry = cds1Dss.getDBRefs()[1];
1134 assertSame(dna1.getDatasetSequence(), dbRefEntry.getMap().getTo());
1135 MapList cdsToDnaMapping = new MapList(new int[] { 1, 6 }, new int[] {
1136 4, 6, 10, 12 }, 1, 1);
1137 assertEquals(cdsToDnaMapping, dbRefEntry.getMap().getMap());
1138 assertEquals(2, cds2Dss.getDBRefs().length);
1139 dbRefEntry = cds2Dss.getDBRefs()[1];
1140 assertSame(dna2.getDatasetSequence(), dbRefEntry.getMap().getTo());
1141 cdsToDnaMapping = new MapList(new int[] { 1, 9 }, new int[] { 1, 3, 7,
1143 assertEquals(cdsToDnaMapping, dbRefEntry.getMap().getMap());
1146 * Verify mappings from CDS to peptide, cDNA to CDS, and cDNA to peptide
1147 * the mappings are on the shared alignment dataset
1148 * 6 mappings, 2*(DNA->CDS), 2*(DNA->Pep), 2*(CDS->Pep)
1150 List<AlignedCodonFrame> cdsMappings = cds.getDataset().getCodonFrames();
1151 assertEquals(6, cdsMappings.size());
1154 * verify that mapping sets for dna and cds alignments are different
1155 * [not current behaviour - all mappings are on the alignment dataset]
1157 // select -> subselect type to test.
1158 // Assert.assertNotSame(dna.getCodonFrames(), cds.getCodonFrames());
1159 // assertEquals(4, dna.getCodonFrames().size());
1160 // assertEquals(4, cds.getCodonFrames().size());
1163 * Two mappings involve pep1 (dna to pep1, cds to pep1)
1164 * Mapping from pep1 to GGGTTT in first new exon sequence
1166 List<AlignedCodonFrame> pep1Mappings = MappingUtils
1167 .findMappingsForSequence(pep1, cdsMappings);
1168 assertEquals(2, pep1Mappings.size());
1169 List<AlignedCodonFrame> mappings = MappingUtils
1170 .findMappingsForSequence(cds.getSequenceAt(0), pep1Mappings);
1171 assertEquals(1, mappings.size());
1174 SearchResultsI sr = MappingUtils.buildSearchResults(pep1, 1, mappings);
1175 assertEquals(1, sr.getResults().size());
1176 SearchResultMatchI m = sr.getResults().get(0);
1177 assertSame(cds1Dss, m.getSequence());
1178 assertEquals(1, m.getStart());
1179 assertEquals(3, m.getEnd());
1181 sr = MappingUtils.buildSearchResults(pep1, 2, mappings);
1182 m = sr.getResults().get(0);
1183 assertSame(cds1Dss, m.getSequence());
1184 assertEquals(4, m.getStart());
1185 assertEquals(6, m.getEnd());
1188 * Two mappings involve pep2 (dna to pep2, cds to pep2)
1189 * Verify mapping from pep2 to GGGTTTCCC in second new exon sequence
1191 List<AlignedCodonFrame> pep2Mappings = MappingUtils
1192 .findMappingsForSequence(pep2, cdsMappings);
1193 assertEquals(2, pep2Mappings.size());
1194 mappings = MappingUtils.findMappingsForSequence(cds.getSequenceAt(1),
1196 assertEquals(1, mappings.size());
1198 sr = MappingUtils.buildSearchResults(pep2, 1, mappings);
1199 assertEquals(1, sr.getResults().size());
1200 m = sr.getResults().get(0);
1201 assertSame(cds2Dss, m.getSequence());
1202 assertEquals(1, m.getStart());
1203 assertEquals(3, m.getEnd());
1205 sr = MappingUtils.buildSearchResults(pep2, 2, mappings);
1206 m = sr.getResults().get(0);
1207 assertSame(cds2Dss, m.getSequence());
1208 assertEquals(4, m.getStart());
1209 assertEquals(6, m.getEnd());
1211 sr = MappingUtils.buildSearchResults(pep2, 3, mappings);
1212 m = sr.getResults().get(0);
1213 assertSame(cds2Dss, m.getSequence());
1214 assertEquals(7, m.getStart());
1215 assertEquals(9, m.getEnd());
1218 * check cds2 acquired a variant feature in position 5
1220 List<SequenceFeature> sfs = cds2Dss.getSequenceFeatures();
1222 assertEquals(1, sfs.size());
1223 assertEquals("variant", sfs.get(0).type);
1224 assertEquals(5, sfs.get(0).begin);
1225 assertEquals(5, sfs.get(0).end);
1229 * Test the method that makes a cds-only alignment from a DNA sequence and its
1230 * product mappings, for the case where there are multiple exon mappings to
1231 * different protein products.
1233 @Test(groups = { "Functional" })
1234 public void testMakeCdsAlignment_multipleProteins()
1236 SequenceI dna1 = new Sequence("dna1", "aaaGGGcccTTTaaa");
1237 SequenceI pep1 = new Sequence("pep1", "GF"); // GGGTTT
1238 SequenceI pep2 = new Sequence("pep2", "KP"); // aaaccc
1239 SequenceI pep3 = new Sequence("pep3", "KF"); // aaaTTT
1240 dna1.createDatasetSequence();
1241 pep1.createDatasetSequence();
1242 pep2.createDatasetSequence();
1243 pep3.createDatasetSequence();
1244 pep1.getDatasetSequence().addDBRef(
1245 new DBRefEntry("EMBLCDS", "2", "A12345"));
1246 pep2.getDatasetSequence().addDBRef(
1247 new DBRefEntry("EMBLCDS", "3", "A12346"));
1248 pep3.getDatasetSequence().addDBRef(
1249 new DBRefEntry("EMBLCDS", "4", "A12347"));
1252 * Create the CDS alignment
1254 AlignmentI dna = new Alignment(new SequenceI[] { dna1 });
1255 dna.setDataset(null);
1258 * Make the mappings from dna to protein
1260 // map ...GGG...TTT to GF
1261 MapList map = new MapList(new int[] { 4, 6, 10, 12 },
1262 new int[] { 1, 2 }, 3, 1);
1263 AlignedCodonFrame acf = new AlignedCodonFrame();
1264 acf.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(), map);
1265 dna.addCodonFrame(acf);
1267 // map aaa...ccc to KP
1268 map = new MapList(new int[] { 1, 3, 7, 9 }, new int[] { 1, 2 }, 3, 1);
1269 acf = new AlignedCodonFrame();
1270 acf.addMap(dna1.getDatasetSequence(), pep2.getDatasetSequence(), map);
1271 dna.addCodonFrame(acf);
1273 // map aaa......TTT to KF
1274 map = new MapList(new int[] { 1, 3, 10, 12 }, new int[] { 1, 2 }, 3, 1);
1275 acf = new AlignedCodonFrame();
1276 acf.addMap(dna1.getDatasetSequence(), pep3.getDatasetSequence(), map);
1277 dna.addCodonFrame(acf);
1280 * execute method under test
1282 AlignmentI cdsal = AlignmentUtils.makeCdsAlignment(
1283 new SequenceI[] { dna1 }, dna.getDataset(), null);
1286 * Verify we have 3 cds sequences, mapped to pep1/2/3 respectively
1288 List<SequenceI> cds = cdsal.getSequences();
1289 assertEquals(3, cds.size());
1292 * verify shared, extended alignment dataset
1294 assertSame(cdsal.getDataset(), dna.getDataset());
1295 assertTrue(dna.getDataset().getSequences()
1296 .contains(cds.get(0).getDatasetSequence()));
1297 assertTrue(dna.getDataset().getSequences()
1298 .contains(cds.get(1).getDatasetSequence()));
1299 assertTrue(dna.getDataset().getSequences()
1300 .contains(cds.get(2).getDatasetSequence()));
1303 * verify aligned cds sequences and their xrefs
1305 SequenceI cdsSeq = cds.get(0);
1306 assertEquals("GGGTTT", cdsSeq.getSequenceAsString());
1307 // assertEquals("dna1|A12345", cdsSeq.getName());
1308 assertEquals("CDS|dna1", cdsSeq.getName());
1309 // assertEquals(1, cdsSeq.getDBRefs().length);
1310 // DBRefEntry cdsRef = cdsSeq.getDBRefs()[0];
1311 // assertEquals("EMBLCDS", cdsRef.getSource());
1312 // assertEquals("2", cdsRef.getVersion());
1313 // assertEquals("A12345", cdsRef.getAccessionId());
1315 cdsSeq = cds.get(1);
1316 assertEquals("aaaccc", cdsSeq.getSequenceAsString());
1317 // assertEquals("dna1|A12346", cdsSeq.getName());
1318 assertEquals("CDS|dna1", cdsSeq.getName());
1319 // assertEquals(1, cdsSeq.getDBRefs().length);
1320 // cdsRef = cdsSeq.getDBRefs()[0];
1321 // assertEquals("EMBLCDS", cdsRef.getSource());
1322 // assertEquals("3", cdsRef.getVersion());
1323 // assertEquals("A12346", cdsRef.getAccessionId());
1325 cdsSeq = cds.get(2);
1326 assertEquals("aaaTTT", cdsSeq.getSequenceAsString());
1327 // assertEquals("dna1|A12347", cdsSeq.getName());
1328 assertEquals("CDS|dna1", cdsSeq.getName());
1329 // assertEquals(1, cdsSeq.getDBRefs().length);
1330 // cdsRef = cdsSeq.getDBRefs()[0];
1331 // assertEquals("EMBLCDS", cdsRef.getSource());
1332 // assertEquals("4", cdsRef.getVersion());
1333 // assertEquals("A12347", cdsRef.getAccessionId());
1336 * Verify there are mappings from each cds sequence to its protein product
1337 * and also to its dna source
1339 List<AlignedCodonFrame> newMappings = cdsal.getCodonFrames();
1342 * 6 mappings involve dna1 (to pep1/2/3, cds1/2/3)
1344 List<AlignedCodonFrame> dnaMappings = MappingUtils
1345 .findMappingsForSequence(dna1, newMappings);
1346 assertEquals(6, dnaMappings.size());
1351 List<AlignedCodonFrame> mappings = MappingUtils
1352 .findMappingsForSequence(pep1, dnaMappings);
1353 assertEquals(1, mappings.size());
1354 assertEquals(1, mappings.get(0).getMappings().size());
1355 assertSame(pep1.getDatasetSequence(), mappings.get(0).getMappings()
1356 .get(0).getMapping().getTo());
1361 List<AlignedCodonFrame> dnaToCds1Mappings = MappingUtils
1362 .findMappingsForSequence(cds.get(0), dnaMappings);
1363 Mapping mapping = dnaToCds1Mappings.get(0).getMappings().get(0)
1365 assertSame(cds.get(0).getDatasetSequence(), mapping.getTo());
1366 assertEquals("G(1) in CDS should map to G(4) in DNA", 4, mapping
1367 .getMap().getToPosition(1));
1372 mappings = MappingUtils.findMappingsForSequence(pep2, dnaMappings);
1373 assertEquals(1, mappings.size());
1374 assertEquals(1, mappings.get(0).getMappings().size());
1375 assertSame(pep2.getDatasetSequence(), mappings.get(0).getMappings()
1376 .get(0).getMapping().getTo());
1381 List<AlignedCodonFrame> dnaToCds2Mappings = MappingUtils
1382 .findMappingsForSequence(cds.get(1), dnaMappings);
1383 mapping = dnaToCds2Mappings.get(0).getMappings().get(0).getMapping();
1384 assertSame(cds.get(1).getDatasetSequence(), mapping.getTo());
1385 assertEquals("c(4) in CDS should map to c(7) in DNA", 7, mapping
1386 .getMap().getToPosition(4));
1391 mappings = MappingUtils.findMappingsForSequence(pep3, dnaMappings);
1392 assertEquals(1, mappings.size());
1393 assertEquals(1, mappings.get(0).getMappings().size());
1394 assertSame(pep3.getDatasetSequence(), mappings.get(0).getMappings()
1395 .get(0).getMapping().getTo());
1400 List<AlignedCodonFrame> dnaToCds3Mappings = MappingUtils
1401 .findMappingsForSequence(cds.get(2), dnaMappings);
1402 mapping = dnaToCds3Mappings.get(0).getMappings().get(0).getMapping();
1403 assertSame(cds.get(2).getDatasetSequence(), mapping.getTo());
1404 assertEquals("T(4) in CDS should map to T(10) in DNA", 10, mapping
1405 .getMap().getToPosition(4));
1408 @Test(groups = { "Functional" })
1409 public void testIsMappable()
1411 SequenceI dna1 = new Sequence("dna1", "cgCAGtgGT");
1412 SequenceI aa1 = new Sequence("aa1", "RSG");
1413 AlignmentI al1 = new Alignment(new SequenceI[] { dna1 });
1414 AlignmentI al2 = new Alignment(new SequenceI[] { aa1 });
1416 assertFalse(AlignmentUtils.isMappable(null, null));
1417 assertFalse(AlignmentUtils.isMappable(al1, null));
1418 assertFalse(AlignmentUtils.isMappable(null, al1));
1419 assertFalse(AlignmentUtils.isMappable(al1, al1));
1420 assertFalse(AlignmentUtils.isMappable(al2, al2));
1422 assertTrue(AlignmentUtils.isMappable(al1, al2));
1423 assertTrue(AlignmentUtils.isMappable(al2, al1));
1427 * Test creating a mapping when the sequences involved do not start at residue
1430 * @throws IOException
1432 @Test(groups = { "Functional" })
1433 public void testMapCdnaToProtein_forSubsequence() throws IOException
1435 SequenceI prot = new Sequence("UNIPROT|V12345", "E-I--Q", 10, 12);
1436 prot.createDatasetSequence();
1438 SequenceI dna = new Sequence("EMBL|A33333", "GAA--AT-C-CAG", 40, 48);
1439 dna.createDatasetSequence();
1441 MapList map = AlignmentUtils.mapCdnaToProtein(prot, dna);
1442 assertEquals(10, map.getToLowest());
1443 assertEquals(12, map.getToHighest());
1444 assertEquals(40, map.getFromLowest());
1445 assertEquals(48, map.getFromHighest());
1449 * Test for the alignSequenceAs method where we have protein mapped to protein
1451 @Test(groups = { "Functional" })
1452 public void testAlignSequenceAs_mappedProteinProtein()
1455 SequenceI alignMe = new Sequence("Match", "MGAASEV");
1456 alignMe.createDatasetSequence();
1457 SequenceI alignFrom = new Sequence("Query", "LQTGYMGAASEVMFSPTRR");
1458 alignFrom.createDatasetSequence();
1460 AlignedCodonFrame acf = new AlignedCodonFrame();
1461 // this is like a domain or motif match of part of a peptide sequence
1462 MapList map = new MapList(new int[] { 6, 12 }, new int[] { 1, 7 }, 1, 1);
1463 acf.addMap(alignFrom.getDatasetSequence(),
1464 alignMe.getDatasetSequence(), map);
1466 AlignmentUtils.alignSequenceAs(alignMe, alignFrom, acf, "-", '-', true,
1468 assertEquals("-----MGAASEV-------", alignMe.getSequenceAsString());
1472 * Test for the alignSequenceAs method where there are trailing unmapped
1473 * residues in the model sequence
1475 @Test(groups = { "Functional" })
1476 public void testAlignSequenceAs_withTrailingPeptide()
1478 // map first 3 codons to KPF; G is a trailing unmapped residue
1479 MapList map = new MapList(new int[] { 1, 9 }, new int[] { 1, 3 }, 3, 1);
1481 checkAlignSequenceAs("AAACCCTTT", "K-PFG", true, true, map,
1486 * Tests for transferring features between mapped sequences
1488 @Test(groups = { "Functional" })
1489 public void testTransferFeatures()
1491 SequenceI dna = new Sequence("dna/20-34", "acgTAGcaaGCCcgt");
1492 SequenceI cds = new Sequence("cds/10-15", "TAGGCC");
1495 dna.addSequenceFeature(new SequenceFeature("type1", "desc1", 1, 2, 1f,
1497 // partial overlap - to [1, 1]
1498 dna.addSequenceFeature(new SequenceFeature("type2", "desc2", 3, 4, 2f,
1500 // exact overlap - to [1, 3]
1501 dna.addSequenceFeature(new SequenceFeature("type3", "desc3", 4, 6, 3f,
1503 // spanning overlap - to [2, 5]
1504 dna.addSequenceFeature(new SequenceFeature("type4", "desc4", 5, 11, 4f,
1506 // exactly overlaps whole mapped range [1, 6]
1507 dna.addSequenceFeature(new SequenceFeature("type5", "desc5", 4, 12, 5f,
1509 // no overlap (internal)
1510 dna.addSequenceFeature(new SequenceFeature("type6", "desc6", 7, 9, 6f,
1512 // no overlap (3' end)
1513 dna.addSequenceFeature(new SequenceFeature("type7", "desc7", 13, 15,
1515 // overlap (3' end) - to [6, 6]
1516 dna.addSequenceFeature(new SequenceFeature("type8", "desc8", 12, 12,
1518 // extended overlap - to [6, +]
1519 dna.addSequenceFeature(new SequenceFeature("type9", "desc9", 12, 13,
1522 MapList map = new MapList(new int[] { 4, 6, 10, 12 },
1523 new int[] { 1, 6 }, 1, 1);
1526 * transferFeatures() will build 'partial overlap' for regions
1527 * that partially overlap 5' or 3' (start or end) of target sequence
1529 AlignmentUtils.transferFeatures(dna, cds, map, null);
1530 List<SequenceFeature> sfs = cds.getSequenceFeatures();
1531 assertEquals(6, sfs.size());
1533 SequenceFeature sf = sfs.get(0);
1534 assertEquals("type2", sf.getType());
1535 assertEquals("desc2", sf.getDescription());
1536 assertEquals(2f, sf.getScore());
1537 assertEquals(1, sf.getBegin());
1538 assertEquals(1, sf.getEnd());
1541 assertEquals("type3", sf.getType());
1542 assertEquals("desc3", sf.getDescription());
1543 assertEquals(3f, sf.getScore());
1544 assertEquals(1, sf.getBegin());
1545 assertEquals(3, sf.getEnd());
1548 assertEquals("type4", sf.getType());
1549 assertEquals(2, sf.getBegin());
1550 assertEquals(5, sf.getEnd());
1553 assertEquals("type5", sf.getType());
1554 assertEquals(1, sf.getBegin());
1555 assertEquals(6, sf.getEnd());
1558 assertEquals("type8", sf.getType());
1559 assertEquals(6, sf.getBegin());
1560 assertEquals(6, sf.getEnd());
1563 assertEquals("type9", sf.getType());
1564 assertEquals(6, sf.getBegin());
1565 assertEquals(6, sf.getEnd());
1569 * Tests for transferring features between mapped sequences
1571 @Test(groups = { "Functional" })
1572 public void testTransferFeatures_withOmit()
1574 SequenceI dna = new Sequence("dna/20-34", "acgTAGcaaGCCcgt");
1575 SequenceI cds = new Sequence("cds/10-15", "TAGGCC");
1577 MapList map = new MapList(new int[] { 4, 6, 10, 12 },
1578 new int[] { 1, 6 }, 1, 1);
1580 // [5, 11] maps to [2, 5]
1581 dna.addSequenceFeature(new SequenceFeature("type4", "desc4", 5, 11, 4f,
1583 // [4, 12] maps to [1, 6]
1584 dna.addSequenceFeature(new SequenceFeature("type5", "desc5", 4, 12, 5f,
1586 // [12, 12] maps to [6, 6]
1587 dna.addSequenceFeature(new SequenceFeature("type8", "desc8", 12, 12,
1590 // desc4 and desc8 are the 'omit these' varargs
1591 AlignmentUtils.transferFeatures(dna, cds, map, null, "type4", "type8");
1592 List<SequenceFeature> sfs = cds.getSequenceFeatures();
1593 assertEquals(1, sfs.size());
1595 SequenceFeature sf = sfs.get(0);
1596 assertEquals("type5", sf.getType());
1597 assertEquals(1, sf.getBegin());
1598 assertEquals(6, sf.getEnd());
1602 * Tests for transferring features between mapped sequences
1604 @Test(groups = { "Functional" })
1605 public void testTransferFeatures_withSelect()
1607 SequenceI dna = new Sequence("dna/20-34", "acgTAGcaaGCCcgt");
1608 SequenceI cds = new Sequence("cds/10-15", "TAGGCC");
1610 MapList map = new MapList(new int[] { 4, 6, 10, 12 },
1611 new int[] { 1, 6 }, 1, 1);
1613 // [5, 11] maps to [2, 5]
1614 dna.addSequenceFeature(new SequenceFeature("type4", "desc4", 5, 11, 4f,
1616 // [4, 12] maps to [1, 6]
1617 dna.addSequenceFeature(new SequenceFeature("type5", "desc5", 4, 12, 5f,
1619 // [12, 12] maps to [6, 6]
1620 dna.addSequenceFeature(new SequenceFeature("type8", "desc8", 12, 12,
1623 // "type5" is the 'select this type' argument
1624 AlignmentUtils.transferFeatures(dna, cds, map, "type5");
1625 List<SequenceFeature> sfs = cds.getSequenceFeatures();
1626 assertEquals(1, sfs.size());
1628 SequenceFeature sf = sfs.get(0);
1629 assertEquals("type5", sf.getType());
1630 assertEquals(1, sf.getBegin());
1631 assertEquals(6, sf.getEnd());
1635 * Test the method that extracts the cds-only part of a dna alignment, for the
1636 * case where the cds should be aligned to match its nucleotide sequence.
1638 @Test(groups = { "Functional" })
1639 public void testMakeCdsAlignment_alternativeTranscripts()
1641 SequenceI dna1 = new Sequence("dna1", "aaaGGGCC-----CTTTaaaGGG");
1642 // alternative transcript of same dna skips CCC codon
1643 SequenceI dna2 = new Sequence("dna2", "aaaGGGCC-----cttTaaaGGG");
1644 // dna3 has no mapping (protein product) so should be ignored here
1645 SequenceI dna3 = new Sequence("dna3", "aaaGGGCCCCCGGGcttTaaaGGG");
1646 SequenceI pep1 = new Sequence("pep1", "GPFG");
1647 SequenceI pep2 = new Sequence("pep2", "GPG");
1648 dna1.createDatasetSequence();
1649 dna2.createDatasetSequence();
1650 dna3.createDatasetSequence();
1651 pep1.createDatasetSequence();
1652 pep2.createDatasetSequence();
1654 AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2, dna3 });
1655 dna.setDataset(null);
1657 MapList map = new MapList(new int[] { 4, 12, 16, 18 },
1658 new int[] { 1, 4 }, 3, 1);
1659 AlignedCodonFrame acf = new AlignedCodonFrame();
1660 acf.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(), map);
1661 dna.addCodonFrame(acf);
1662 map = new MapList(new int[] { 4, 8, 12, 12, 16, 18 },
1663 new int[] { 1, 3 }, 3, 1);
1664 acf = new AlignedCodonFrame();
1665 acf.addMap(dna2.getDatasetSequence(), pep2.getDatasetSequence(), map);
1666 dna.addCodonFrame(acf);
1668 AlignmentI cds = AlignmentUtils.makeCdsAlignment(new SequenceI[] {
1669 dna1, dna2, dna3 }, dna.getDataset(), null);
1670 List<SequenceI> cdsSeqs = cds.getSequences();
1671 assertEquals(2, cdsSeqs.size());
1672 assertEquals("GGGCCCTTTGGG", cdsSeqs.get(0).getSequenceAsString());
1673 assertEquals("GGGCCTGGG", cdsSeqs.get(1).getSequenceAsString());
1676 * verify shared, extended alignment dataset
1678 assertSame(dna.getDataset(), cds.getDataset());
1679 assertTrue(dna.getDataset().getSequences()
1680 .contains(cdsSeqs.get(0).getDatasetSequence()));
1681 assertTrue(dna.getDataset().getSequences()
1682 .contains(cdsSeqs.get(1).getDatasetSequence()));
1685 * Verify 6 mappings: dna1 to cds1, cds1 to pep1, dna1 to pep1
1686 * and the same for dna2/cds2/pep2
1688 List<AlignedCodonFrame> mappings = cds.getCodonFrames();
1689 assertEquals(6, mappings.size());
1692 * 2 mappings involve pep1
1694 List<AlignedCodonFrame> pep1Mappings = MappingUtils
1695 .findMappingsForSequence(pep1, mappings);
1696 assertEquals(2, pep1Mappings.size());
1699 * Get mapping of pep1 to cds1 and verify it
1700 * maps GPFG to 1-3,4-6,7-9,10-12
1702 List<AlignedCodonFrame> pep1CdsMappings = MappingUtils
1703 .findMappingsForSequence(cds.getSequenceAt(0), pep1Mappings);
1704 assertEquals(1, pep1CdsMappings.size());
1705 SearchResultsI sr = MappingUtils.buildSearchResults(pep1, 1,
1707 assertEquals(1, sr.getResults().size());
1708 SearchResultMatchI m = sr.getResults().get(0);
1709 assertEquals(cds.getSequenceAt(0).getDatasetSequence(), m.getSequence());
1710 assertEquals(1, m.getStart());
1711 assertEquals(3, m.getEnd());
1712 sr = MappingUtils.buildSearchResults(pep1, 2, pep1CdsMappings);
1713 m = sr.getResults().get(0);
1714 assertEquals(4, m.getStart());
1715 assertEquals(6, m.getEnd());
1716 sr = MappingUtils.buildSearchResults(pep1, 3, pep1CdsMappings);
1717 m = sr.getResults().get(0);
1718 assertEquals(7, m.getStart());
1719 assertEquals(9, m.getEnd());
1720 sr = MappingUtils.buildSearchResults(pep1, 4, pep1CdsMappings);
1721 m = sr.getResults().get(0);
1722 assertEquals(10, m.getStart());
1723 assertEquals(12, m.getEnd());
1726 * Get mapping of pep2 to cds2 and verify it
1727 * maps GPG in pep2 to 1-3,4-6,7-9 in second CDS sequence
1729 List<AlignedCodonFrame> pep2Mappings = MappingUtils
1730 .findMappingsForSequence(pep2, mappings);
1731 assertEquals(2, pep2Mappings.size());
1732 List<AlignedCodonFrame> pep2CdsMappings = MappingUtils
1733 .findMappingsForSequence(cds.getSequenceAt(1), pep2Mappings);
1734 assertEquals(1, pep2CdsMappings.size());
1735 sr = MappingUtils.buildSearchResults(pep2, 1, pep2CdsMappings);
1736 assertEquals(1, sr.getResults().size());
1737 m = sr.getResults().get(0);
1738 assertEquals(cds.getSequenceAt(1).getDatasetSequence(), m.getSequence());
1739 assertEquals(1, m.getStart());
1740 assertEquals(3, m.getEnd());
1741 sr = MappingUtils.buildSearchResults(pep2, 2, pep2CdsMappings);
1742 m = sr.getResults().get(0);
1743 assertEquals(4, m.getStart());
1744 assertEquals(6, m.getEnd());
1745 sr = MappingUtils.buildSearchResults(pep2, 3, pep2CdsMappings);
1746 m = sr.getResults().get(0);
1747 assertEquals(7, m.getStart());
1748 assertEquals(9, m.getEnd());
1752 * Test the method that realigns protein to match mapped codon alignment.
1754 @Test(groups = { "Functional" })
1755 public void testAlignProteinAsDna_incompleteStartCodon()
1757 // seq1: incomplete start codon (not mapped), then [3, 11]
1758 SequenceI dna1 = new Sequence("Seq1", "ccAAA-TTT-GGG-");
1759 // seq2 codons are [4, 5], [8, 11]
1760 SequenceI dna2 = new Sequence("Seq2", "ccaAA-ttT-GGG-");
1761 // seq3 incomplete start codon at 'tt'
1762 SequenceI dna3 = new Sequence("Seq3", "ccaaa-ttt-GGG-");
1763 AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2, dna3 });
1764 dna.setDataset(null);
1766 // prot1 has 'X' for incomplete start codon (not mapped)
1767 SequenceI prot1 = new Sequence("Seq1", "XKFG"); // X for incomplete start
1768 SequenceI prot2 = new Sequence("Seq2", "NG");
1769 SequenceI prot3 = new Sequence("Seq3", "XG"); // X for incomplete start
1770 AlignmentI protein = new Alignment(new SequenceI[] { prot1, prot2,
1772 protein.setDataset(null);
1774 // map dna1 [3, 11] to prot1 [2, 4] KFG
1775 MapList map = new MapList(new int[] { 3, 11 }, new int[] { 2, 4 }, 3, 1);
1776 AlignedCodonFrame acf = new AlignedCodonFrame();
1777 acf.addMap(dna1.getDatasetSequence(), prot1.getDatasetSequence(), map);
1779 // map dna2 [4, 5] [8, 11] to prot2 [1, 2] NG
1780 map = new MapList(new int[] { 4, 5, 8, 11 }, new int[] { 1, 2 }, 3, 1);
1781 acf.addMap(dna2.getDatasetSequence(), prot2.getDatasetSequence(), map);
1783 // map dna3 [9, 11] to prot3 [2, 2] G
1784 map = new MapList(new int[] { 9, 11 }, new int[] { 2, 2 }, 3, 1);
1785 acf.addMap(dna3.getDatasetSequence(), prot3.getDatasetSequence(), map);
1787 ArrayList<AlignedCodonFrame> acfs = new ArrayList<>();
1789 protein.setCodonFrames(acfs);
1792 * verify X is included in the aligned proteins, and placed just
1793 * before the first mapped residue
1794 * CCT is between CCC and TTT
1796 AlignmentUtils.alignProteinAsDna(protein, dna);
1797 assertEquals("XK-FG", prot1.getSequenceAsString());
1798 assertEquals("--N-G", prot2.getSequenceAsString());
1799 assertEquals("---XG", prot3.getSequenceAsString());
1803 * Tests for the method that maps the subset of a dna sequence that has CDS
1804 * (or subtype) feature - case where the start codon is incomplete.
1806 @Test(groups = "Functional")
1807 public void testFindCdsPositions_fivePrimeIncomplete()
1809 SequenceI dnaSeq = new Sequence("dna", "aaagGGCCCaaaTTTttt");
1810 dnaSeq.createDatasetSequence();
1811 SequenceI ds = dnaSeq.getDatasetSequence();
1813 // CDS for dna 5-6 (incomplete codon), 7-9
1814 SequenceFeature sf = new SequenceFeature("CDS", "", 5, 9, 0f, null);
1815 sf.setPhase("2"); // skip 2 bases to start of next codon
1816 ds.addSequenceFeature(sf);
1817 // CDS for dna 13-15
1818 sf = new SequenceFeature("CDS_predicted", "", 13, 15, 0f, null);
1819 ds.addSequenceFeature(sf);
1821 List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
1824 * check the mapping starts with the first complete codon
1826 assertEquals(6, MappingUtils.getLength(ranges));
1827 assertEquals(2, ranges.size());
1828 assertEquals(7, ranges.get(0)[0]);
1829 assertEquals(9, ranges.get(0)[1]);
1830 assertEquals(13, ranges.get(1)[0]);
1831 assertEquals(15, ranges.get(1)[1]);
1835 * Tests for the method that maps the subset of a dna sequence that has CDS
1836 * (or subtype) feature.
1838 @Test(groups = "Functional")
1839 public void testFindCdsPositions()
1841 SequenceI dnaSeq = new Sequence("dna", "aaaGGGcccAAATTTttt");
1842 dnaSeq.createDatasetSequence();
1843 SequenceI ds = dnaSeq.getDatasetSequence();
1845 // CDS for dna 10-12
1846 SequenceFeature sf = new SequenceFeature("CDS_predicted", "", 10, 12,
1849 ds.addSequenceFeature(sf);
1851 sf = new SequenceFeature("CDS", "", 4, 6, 0f, null);
1853 ds.addSequenceFeature(sf);
1854 // exon feature should be ignored here
1855 sf = new SequenceFeature("exon", "", 7, 9, 0f, null);
1856 ds.addSequenceFeature(sf);
1858 List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
1860 * verify ranges { [4-6], [12-10] }
1861 * note CDS ranges are ordered ascending even if the CDS
1864 assertEquals(6, MappingUtils.getLength(ranges));
1865 assertEquals(2, ranges.size());
1866 assertEquals(4, ranges.get(0)[0]);
1867 assertEquals(6, ranges.get(0)[1]);
1868 assertEquals(10, ranges.get(1)[0]);
1869 assertEquals(12, ranges.get(1)[1]);
1873 * Test the method that computes a map of codon variants for each protein
1874 * position from "sequence_variant" features on dna
1876 @Test(groups = "Functional")
1877 public void testBuildDnaVariantsMap()
1879 SequenceI dna = new Sequence("dna", "atgAAATTTGGGCCCtag");
1880 MapList map = new MapList(new int[] { 1, 18 }, new int[] { 1, 5 }, 3, 1);
1883 * first with no variants on dna
1885 LinkedHashMap<Integer, List<DnaVariant>[]> variantsMap = AlignmentUtils
1886 .buildDnaVariantsMap(dna, map);
1887 assertTrue(variantsMap.isEmpty());
1890 * single allele codon 1, on base 1
1892 SequenceFeature sf1 = new SequenceFeature("sequence_variant", "", 1, 1,
1894 sf1.setValue("alleles", "T");
1895 sf1.setValue("ID", "sequence_variant:rs758803211");
1896 dna.addSequenceFeature(sf1);
1899 * two alleles codon 2, on bases 2 and 3 (distinct variants)
1901 SequenceFeature sf2 = new SequenceFeature("sequence_variant", "", 5, 5,
1903 sf2.setValue("alleles", "T");
1904 sf2.setValue("ID", "sequence_variant:rs758803212");
1905 dna.addSequenceFeature(sf2);
1906 SequenceFeature sf3 = new SequenceFeature("sequence_variant", "", 6, 6,
1908 sf3.setValue("alleles", "G");
1909 sf3.setValue("ID", "sequence_variant:rs758803213");
1910 dna.addSequenceFeature(sf3);
1913 * two alleles codon 3, both on base 2 (one variant)
1915 SequenceFeature sf4 = new SequenceFeature("sequence_variant", "", 8, 8,
1917 sf4.setValue("alleles", "C, G");
1918 sf4.setValue("ID", "sequence_variant:rs758803214");
1919 dna.addSequenceFeature(sf4);
1921 // no alleles on codon 4
1924 * alleles on codon 5 on all 3 bases (distinct variants)
1926 SequenceFeature sf5 = new SequenceFeature("sequence_variant", "", 13,
1928 sf5.setValue("alleles", "C, G"); // (C duplicates given base value)
1929 sf5.setValue("ID", "sequence_variant:rs758803215");
1930 dna.addSequenceFeature(sf5);
1931 SequenceFeature sf6 = new SequenceFeature("sequence_variant", "", 14,
1933 sf6.setValue("alleles", "g, a"); // should force to upper-case
1934 sf6.setValue("ID", "sequence_variant:rs758803216");
1935 dna.addSequenceFeature(sf6);
1937 SequenceFeature sf7 = new SequenceFeature("sequence_variant", "", 15,
1939 sf7.setValue("alleles", "A, T");
1940 sf7.setValue("ID", "sequence_variant:rs758803217");
1941 dna.addSequenceFeature(sf7);
1944 * build map - expect variants on positions 1, 2, 3, 5
1946 variantsMap = AlignmentUtils.buildDnaVariantsMap(dna, map);
1947 assertEquals(4, variantsMap.size());
1950 * protein residue 1: variant on codon (ATG) base 1, not on 2 or 3
1952 List<DnaVariant>[] pep1Variants = variantsMap.get(1);
1953 assertEquals(3, pep1Variants.length);
1954 assertEquals(1, pep1Variants[0].size());
1955 assertEquals("A", pep1Variants[0].get(0).base); // codon[1] base
1956 assertSame(sf1, pep1Variants[0].get(0).variant); // codon[1] variant
1957 assertEquals(1, pep1Variants[1].size());
1958 assertEquals("T", pep1Variants[1].get(0).base); // codon[2] base
1959 assertNull(pep1Variants[1].get(0).variant); // no variant here
1960 assertEquals(1, pep1Variants[2].size());
1961 assertEquals("G", pep1Variants[2].get(0).base); // codon[3] base
1962 assertNull(pep1Variants[2].get(0).variant); // no variant here
1965 * protein residue 2: variants on codon (AAA) bases 2 and 3
1967 List<DnaVariant>[] pep2Variants = variantsMap.get(2);
1968 assertEquals(3, pep2Variants.length);
1969 assertEquals(1, pep2Variants[0].size());
1970 // codon[1] base recorded while processing variant on codon[2]
1971 assertEquals("A", pep2Variants[0].get(0).base);
1972 assertNull(pep2Variants[0].get(0).variant); // no variant here
1973 // codon[2] base and variant:
1974 assertEquals(1, pep2Variants[1].size());
1975 assertEquals("A", pep2Variants[1].get(0).base);
1976 assertSame(sf2, pep2Variants[1].get(0).variant);
1977 // codon[3] base was recorded when processing codon[2] variant
1978 // and then the variant for codon[3] added to it
1979 assertEquals(1, pep2Variants[2].size());
1980 assertEquals("A", pep2Variants[2].get(0).base);
1981 assertSame(sf3, pep2Variants[2].get(0).variant);
1984 * protein residue 3: variants on codon (TTT) base 2 only
1986 List<DnaVariant>[] pep3Variants = variantsMap.get(3);
1987 assertEquals(3, pep3Variants.length);
1988 assertEquals(1, pep3Variants[0].size());
1989 assertEquals("T", pep3Variants[0].get(0).base); // codon[1] base
1990 assertNull(pep3Variants[0].get(0).variant); // no variant here
1991 assertEquals(1, pep3Variants[1].size());
1992 assertEquals("T", pep3Variants[1].get(0).base); // codon[2] base
1993 assertSame(sf4, pep3Variants[1].get(0).variant); // codon[2] variant
1994 assertEquals(1, pep3Variants[2].size());
1995 assertEquals("T", pep3Variants[2].get(0).base); // codon[3] base
1996 assertNull(pep3Variants[2].get(0).variant); // no variant here
1999 * three variants on protein position 5
2001 List<DnaVariant>[] pep5Variants = variantsMap.get(5);
2002 assertEquals(3, pep5Variants.length);
2003 assertEquals(1, pep5Variants[0].size());
2004 assertEquals("C", pep5Variants[0].get(0).base); // codon[1] base
2005 assertSame(sf5, pep5Variants[0].get(0).variant); // codon[1] variant
2006 assertEquals(1, pep5Variants[1].size());
2007 assertEquals("C", pep5Variants[1].get(0).base); // codon[2] base
2008 assertSame(sf6, pep5Variants[1].get(0).variant); // codon[2] variant
2009 assertEquals(1, pep5Variants[2].size());
2010 assertEquals("C", pep5Variants[2].get(0).base); // codon[3] base
2011 assertSame(sf7, pep5Variants[2].get(0).variant); // codon[3] variant
2015 * Tests for the method that computes all peptide variants given codon
2018 @Test(groups = "Functional")
2019 public void testComputePeptideVariants()
2022 * scenario: AAATTTCCC codes for KFP
2024 * GAA -> E source: Ensembl
2025 * CAA -> Q source: dbSNP
2026 * TAA -> STOP source: dnSNP
2027 * AAG synonymous source: COSMIC
2028 * AAT -> N source: Ensembl
2029 * ...TTC synonymous source: dbSNP
2030 * ......CAC,CGC -> H,R source: COSMIC
2031 * (one variant with two alleles)
2033 SequenceI peptide = new Sequence("pep/10-12", "KFP");
2036 * two distinct variants for codon 1 position 1
2037 * second one has clinical significance
2039 String ensembl = "Ensembl";
2040 String dbSnp = "dbSNP";
2041 String cosmic = "COSMIC";
2043 SequenceFeature sf1 = new SequenceFeature("sequence_variant", "", 1, 1,
2045 sf1.setValue("alleles", "A,G"); // AAA -> GAA -> K/E
2046 sf1.setValue("ID", "var1.125A>G");
2048 SequenceFeature sf2 = new SequenceFeature("sequence_variant", "", 1, 1,
2050 sf2.setValue("alleles", "A,C"); // AAA -> CAA -> K/Q
2051 sf2.setValue("ID", "var2");
2052 sf2.setValue("clinical_significance", "Dodgy");
2054 SequenceFeature sf3 = new SequenceFeature("sequence_variant", "", 1, 1,
2056 sf3.setValue("alleles", "A,T"); // AAA -> TAA -> stop codon
2057 sf3.setValue("ID", "var3");
2058 sf3.setValue("clinical_significance", "Bad");
2060 SequenceFeature sf4 = new SequenceFeature("sequence_variant", "", 3, 3,
2062 sf4.setValue("alleles", "A,G"); // AAA -> AAG synonymous
2063 sf4.setValue("ID", "var4");
2064 sf4.setValue("clinical_significance", "None");
2066 SequenceFeature sf5 = new SequenceFeature("sequence_variant", "", 3, 3,
2068 sf5.setValue("alleles", "A,T"); // AAA -> AAT -> K/N
2069 sf5.setValue("ID", "sequence_variant:var5"); // prefix gets stripped off
2070 sf5.setValue("clinical_significance", "Benign");
2072 SequenceFeature sf6 = new SequenceFeature("sequence_variant", "", 6, 6,
2074 sf6.setValue("alleles", "T,C"); // TTT -> TTC synonymous
2075 sf6.setValue("ID", "var6");
2077 SequenceFeature sf7 = new SequenceFeature("sequence_variant", "", 8, 8,
2079 sf7.setValue("alleles", "C,A,G"); // CCC -> CAC,CGC -> P/H/R
2080 sf7.setValue("ID", "var7");
2081 sf7.setValue("clinical_significance", "Good");
2083 List<DnaVariant> codon1Variants = new ArrayList<>();
2084 List<DnaVariant> codon2Variants = new ArrayList<>();
2085 List<DnaVariant> codon3Variants = new ArrayList<>();
2087 List<DnaVariant> codonVariants[] = new ArrayList[3];
2088 codonVariants[0] = codon1Variants;
2089 codonVariants[1] = codon2Variants;
2090 codonVariants[2] = codon3Variants;
2093 * compute variants for protein position 1
2095 codon1Variants.add(new DnaVariant("A", sf1));
2096 codon1Variants.add(new DnaVariant("A", sf2));
2097 codon1Variants.add(new DnaVariant("A", sf3));
2098 codon2Variants.add(new DnaVariant("A"));
2099 // codon2Variants.add(new DnaVariant("A"));
2100 codon3Variants.add(new DnaVariant("A", sf4));
2101 codon3Variants.add(new DnaVariant("A", sf5));
2102 AlignmentUtils.computePeptideVariants(peptide, 1, codonVariants);
2105 * compute variants for protein position 2
2107 codon1Variants.clear();
2108 codon2Variants.clear();
2109 codon3Variants.clear();
2110 codon1Variants.add(new DnaVariant("T"));
2111 codon2Variants.add(new DnaVariant("T"));
2112 codon3Variants.add(new DnaVariant("T", sf6));
2113 AlignmentUtils.computePeptideVariants(peptide, 2, codonVariants);
2116 * compute variants for protein position 3
2118 codon1Variants.clear();
2119 codon2Variants.clear();
2120 codon3Variants.clear();
2121 codon1Variants.add(new DnaVariant("C"));
2122 codon2Variants.add(new DnaVariant("C", sf7));
2123 codon3Variants.add(new DnaVariant("C"));
2124 AlignmentUtils.computePeptideVariants(peptide, 3, codonVariants);
2127 * verify added sequence features for
2128 * var1 K -> E Ensembl
2132 * var5 K -> N Ensembl
2134 * var7 P -> H COSMIC
2135 * var8 P -> R COSMIC
2137 List<SequenceFeature> sfs = peptide.getSequenceFeatures();
2138 SequenceFeatures.sortFeatures(sfs, true);
2139 assertEquals(8, sfs.size());
2142 * features are sorted by start position ascending, but in no
2143 * particular order where start positions match; asserts here
2144 * simply match the data returned (the order is not important)
2146 // AAA -> AAT -> K/N
2147 SequenceFeature sf = sfs.get(0);
2148 assertEquals(1, sf.getBegin());
2149 assertEquals(1, sf.getEnd());
2150 assertEquals("nonsynonymous_variant", sf.getType());
2151 assertEquals("p.Lys1Asn", sf.getDescription());
2152 assertEquals("var5", sf.getValue("ID"));
2153 assertEquals("Benign", sf.getValue("clinical_significance"));
2154 assertEquals("ID=var5;clinical_significance=Benign",
2155 sf.getAttributes());
2156 assertEquals(1, sf.links.size());
2158 "p.Lys1Asn var5|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var5",
2160 assertEquals(ensembl, sf.getFeatureGroup());
2162 // AAA -> CAA -> K/Q
2164 assertEquals(1, sf.getBegin());
2165 assertEquals(1, sf.getEnd());
2166 assertEquals("nonsynonymous_variant", sf.getType());
2167 assertEquals("p.Lys1Gln", sf.getDescription());
2168 assertEquals("var2", sf.getValue("ID"));
2169 assertEquals("Dodgy", sf.getValue("clinical_significance"));
2170 assertEquals("ID=var2;clinical_significance=Dodgy", sf.getAttributes());
2171 assertEquals(1, sf.links.size());
2173 "p.Lys1Gln var2|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var2",
2175 assertEquals(dbSnp, sf.getFeatureGroup());
2177 // AAA -> GAA -> K/E
2179 assertEquals(1, sf.getBegin());
2180 assertEquals(1, sf.getEnd());
2181 assertEquals("nonsynonymous_variant", sf.getType());
2182 assertEquals("p.Lys1Glu", sf.getDescription());
2183 assertEquals("var1.125A>G", sf.getValue("ID"));
2184 assertNull(sf.getValue("clinical_significance"));
2185 assertEquals("ID=var1.125A>G", sf.getAttributes());
2186 assertEquals(1, sf.links.size());
2187 // link to variation is urlencoded
2189 "p.Lys1Glu var1.125A>G|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var1.125A%3EG",
2191 assertEquals(ensembl, sf.getFeatureGroup());
2193 // AAA -> TAA -> stop codon
2195 assertEquals(1, sf.getBegin());
2196 assertEquals(1, sf.getEnd());
2197 assertEquals("stop_gained", sf.getType());
2198 assertEquals("Aaa/Taa", sf.getDescription());
2199 assertEquals("var3", sf.getValue("ID"));
2200 assertEquals("Bad", sf.getValue("clinical_significance"));
2201 assertEquals("ID=var3;clinical_significance=Bad", sf.getAttributes());
2202 assertEquals(1, sf.links.size());
2204 "Aaa/Taa var3|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var3",
2206 assertEquals(dbSnp, sf.getFeatureGroup());
2208 // AAA -> AAG synonymous
2210 assertEquals(1, sf.getBegin());
2211 assertEquals(1, sf.getEnd());
2212 assertEquals("synonymous_variant", sf.getType());
2213 assertEquals("aaA/aaG", sf.getDescription());
2214 assertEquals("var4", sf.getValue("ID"));
2215 assertEquals("None", sf.getValue("clinical_significance"));
2216 assertEquals("ID=var4;clinical_significance=None", sf.getAttributes());
2217 assertEquals(1, sf.links.size());
2219 "aaA/aaG var4|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var4",
2221 assertEquals(cosmic, sf.getFeatureGroup());
2223 // TTT -> TTC synonymous
2225 assertEquals(2, sf.getBegin());
2226 assertEquals(2, sf.getEnd());
2227 assertEquals("synonymous_variant", sf.getType());
2228 assertEquals("ttT/ttC", sf.getDescription());
2229 assertEquals("var6", sf.getValue("ID"));
2230 assertNull(sf.getValue("clinical_significance"));
2231 assertEquals("ID=var6", sf.getAttributes());
2232 assertEquals(1, sf.links.size());
2234 "ttT/ttC var6|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var6",
2236 assertEquals(dbSnp, sf.getFeatureGroup());
2238 // var7 generates two distinct protein variant features (two alleles)
2239 // CCC -> CGC -> P/R
2241 assertEquals(3, sf.getBegin());
2242 assertEquals(3, sf.getEnd());
2243 assertEquals("nonsynonymous_variant", sf.getType());
2244 assertEquals("p.Pro3Arg", sf.getDescription());
2245 assertEquals("var7", sf.getValue("ID"));
2246 assertEquals("Good", sf.getValue("clinical_significance"));
2247 assertEquals("ID=var7;clinical_significance=Good", sf.getAttributes());
2248 assertEquals(1, sf.links.size());
2250 "p.Pro3Arg var7|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var7",
2252 assertEquals(cosmic, sf.getFeatureGroup());
2254 // CCC -> CAC -> P/H
2256 assertEquals(3, sf.getBegin());
2257 assertEquals(3, sf.getEnd());
2258 assertEquals("nonsynonymous_variant", sf.getType());
2259 assertEquals("p.Pro3His", sf.getDescription());
2260 assertEquals("var7", sf.getValue("ID"));
2261 assertEquals("Good", sf.getValue("clinical_significance"));
2262 assertEquals("ID=var7;clinical_significance=Good", sf.getAttributes());
2263 assertEquals(1, sf.links.size());
2265 "p.Pro3His var7|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=var7",
2267 assertEquals(cosmic, sf.getFeatureGroup());
2271 * Tests for the method that maps the subset of a dna sequence that has CDS
2272 * (or subtype) feature, with CDS strand = '-' (reverse)
2274 // test turned off as currently findCdsPositions is not strand-dependent
2275 // left in case it comes around again...
2276 @Test(groups = "Functional", enabled = false)
2277 public void testFindCdsPositions_reverseStrand()
2279 SequenceI dnaSeq = new Sequence("dna", "aaaGGGcccAAATTTttt");
2280 dnaSeq.createDatasetSequence();
2281 SequenceI ds = dnaSeq.getDatasetSequence();
2284 SequenceFeature sf = new SequenceFeature("CDS", "", 4, 6, 0f, null);
2286 ds.addSequenceFeature(sf);
2287 // exon feature should be ignored here
2288 sf = new SequenceFeature("exon", "", 7, 9, 0f, null);
2289 ds.addSequenceFeature(sf);
2290 // CDS for dna 10-12
2291 sf = new SequenceFeature("CDS_predicted", "", 10, 12, 0f, null);
2293 ds.addSequenceFeature(sf);
2295 List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
2297 * verify ranges { [12-10], [6-4] }
2299 assertEquals(6, MappingUtils.getLength(ranges));
2300 assertEquals(2, ranges.size());
2301 assertEquals(12, ranges.get(0)[0]);
2302 assertEquals(10, ranges.get(0)[1]);
2303 assertEquals(6, ranges.get(1)[0]);
2304 assertEquals(4, ranges.get(1)[1]);
2308 * Tests for the method that maps the subset of a dna sequence that has CDS
2309 * (or subtype) feature - reverse strand case where the start codon is
2312 @Test(groups = "Functional", enabled = false)
2313 // test turned off as currently findCdsPositions is not strand-dependent
2314 // left in case it comes around again...
2315 public void testFindCdsPositions_reverseStrandThreePrimeIncomplete()
2317 SequenceI dnaSeq = new Sequence("dna", "aaagGGCCCaaaTTTttt");
2318 dnaSeq.createDatasetSequence();
2319 SequenceI ds = dnaSeq.getDatasetSequence();
2322 SequenceFeature sf = new SequenceFeature("CDS", "", 5, 9, 0f, null);
2324 ds.addSequenceFeature(sf);
2325 // CDS for dna 13-15
2326 sf = new SequenceFeature("CDS_predicted", "", 13, 15, 0f, null);
2328 sf.setPhase("2"); // skip 2 bases to start of next codon
2329 ds.addSequenceFeature(sf);
2331 List<int[]> ranges = AlignmentUtils.findCdsPositions(dnaSeq);
2334 * check the mapping starts with the first complete codon
2335 * expect ranges [13, 13], [9, 5]
2337 assertEquals(6, MappingUtils.getLength(ranges));
2338 assertEquals(2, ranges.size());
2339 assertEquals(13, ranges.get(0)[0]);
2340 assertEquals(13, ranges.get(0)[1]);
2341 assertEquals(9, ranges.get(1)[0]);
2342 assertEquals(5, ranges.get(1)[1]);
2345 @Test(groups = "Functional")
2346 public void testAlignAs_alternateTranscriptsUngapped()
2348 SequenceI dna1 = new Sequence("dna1", "cccGGGTTTaaa");
2349 SequenceI dna2 = new Sequence("dna2", "CCCgggtttAAA");
2350 AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2 });
2351 ((Alignment) dna).createDatasetAlignment();
2352 SequenceI cds1 = new Sequence("cds1", "GGGTTT");
2353 SequenceI cds2 = new Sequence("cds2", "CCCAAA");
2354 AlignmentI cds = new Alignment(new SequenceI[] { cds1, cds2 });
2355 ((Alignment) cds).createDatasetAlignment();
2357 AlignedCodonFrame acf = new AlignedCodonFrame();
2358 MapList map = new MapList(new int[] { 4, 9 }, new int[] { 1, 6 }, 1, 1);
2359 acf.addMap(dna1.getDatasetSequence(), cds1.getDatasetSequence(), map);
2360 map = new MapList(new int[] { 1, 3, 10, 12 }, new int[] { 1, 6 }, 1, 1);
2361 acf.addMap(dna2.getDatasetSequence(), cds2.getDatasetSequence(), map);
2364 * verify CDS alignment is as:
2365 * cccGGGTTTaaa (cdna)
2366 * CCCgggtttAAA (cdna)
2368 * ---GGGTTT--- (cds)
2369 * CCC------AAA (cds)
2371 dna.addCodonFrame(acf);
2372 AlignmentUtils.alignAs(cds, dna);
2373 assertEquals("---GGGTTT", cds.getSequenceAt(0).getSequenceAsString());
2374 assertEquals("CCC------AAA", cds.getSequenceAt(1).getSequenceAsString());
2377 @Test(groups = { "Functional" })
2378 public void testAddMappedPositions()
2380 SequenceI from = new Sequence("dna", "ggAA-ATcc-TT-g");
2381 SequenceI seq1 = new Sequence("cds", "AAATTT");
2382 from.createDatasetSequence();
2383 seq1.createDatasetSequence();
2384 Mapping mapping = new Mapping(seq1, new MapList(
2385 new int[] { 3, 6, 9, 10 }, new int[] { 1, 6 }, 1, 1));
2386 Map<Integer, Map<SequenceI, Character>> map = new TreeMap<>();
2387 AlignmentUtils.addMappedPositions(seq1, from, mapping, map);
2390 * verify map has seq1 residues in columns 3,4,6,7,11,12
2392 assertEquals(6, map.size());
2393 assertEquals('A', map.get(3).get(seq1).charValue());
2394 assertEquals('A', map.get(4).get(seq1).charValue());
2395 assertEquals('A', map.get(6).get(seq1).charValue());
2396 assertEquals('T', map.get(7).get(seq1).charValue());
2397 assertEquals('T', map.get(11).get(seq1).charValue());
2398 assertEquals('T', map.get(12).get(seq1).charValue());
2406 * Test case where the mapping 'from' range includes a stop codon which is
2407 * absent in the 'to' range
2409 @Test(groups = { "Functional" })
2410 public void testAddMappedPositions_withStopCodon()
2412 SequenceI from = new Sequence("dna", "ggAA-ATcc-TT-g");
2413 SequenceI seq1 = new Sequence("cds", "AAATTT");
2414 from.createDatasetSequence();
2415 seq1.createDatasetSequence();
2416 Mapping mapping = new Mapping(seq1, new MapList(
2417 new int[] { 3, 6, 9, 10 }, new int[] { 1, 6 }, 1, 1));
2418 Map<Integer, Map<SequenceI, Character>> map = new TreeMap<>();
2419 AlignmentUtils.addMappedPositions(seq1, from, mapping, map);
2422 * verify map has seq1 residues in columns 3,4,6,7,11,12
2424 assertEquals(6, map.size());
2425 assertEquals('A', map.get(3).get(seq1).charValue());
2426 assertEquals('A', map.get(4).get(seq1).charValue());
2427 assertEquals('A', map.get(6).get(seq1).charValue());
2428 assertEquals('T', map.get(7).get(seq1).charValue());
2429 assertEquals('T', map.get(11).get(seq1).charValue());
2430 assertEquals('T', map.get(12).get(seq1).charValue());
2434 * Test for the case where the products for which we want CDS are specified.
2435 * This is to represent the case where EMBL has CDS mappings to both Uniprot
2436 * and EMBLCDSPROTEIN. makeCdsAlignment() should only return the mappings for
2437 * the protein sequences specified.
2439 @Test(groups = { "Functional" })
2440 public void testMakeCdsAlignment_filterProducts()
2442 SequenceI dna1 = new Sequence("dna1", "aaaGGGcccTTTaaa");
2443 SequenceI dna2 = new Sequence("dna2", "GGGcccTTTaaaCCC");
2444 SequenceI pep1 = new Sequence("Uniprot|pep1", "GF");
2445 SequenceI pep2 = new Sequence("Uniprot|pep2", "GFP");
2446 SequenceI pep3 = new Sequence("EMBL|pep3", "GF");
2447 SequenceI pep4 = new Sequence("EMBL|pep4", "GFP");
2448 dna1.createDatasetSequence();
2449 dna2.createDatasetSequence();
2450 pep1.createDatasetSequence();
2451 pep2.createDatasetSequence();
2452 pep3.createDatasetSequence();
2453 pep4.createDatasetSequence();
2454 AlignmentI dna = new Alignment(new SequenceI[] { dna1, dna2 });
2455 dna.setDataset(null);
2456 AlignmentI emblPeptides = new Alignment(new SequenceI[] { pep3, pep4 });
2457 emblPeptides.setDataset(null);
2459 AlignedCodonFrame acf = new AlignedCodonFrame();
2460 MapList map = new MapList(new int[] { 4, 6, 10, 12 },
2461 new int[] { 1, 2 }, 3, 1);
2462 acf.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(), map);
2463 acf.addMap(dna1.getDatasetSequence(), pep3.getDatasetSequence(), map);
2464 dna.addCodonFrame(acf);
2466 acf = new AlignedCodonFrame();
2467 map = new MapList(new int[] { 1, 3, 7, 9, 13, 15 }, new int[] { 1, 3 },
2469 acf.addMap(dna2.getDatasetSequence(), pep2.getDatasetSequence(), map);
2470 acf.addMap(dna2.getDatasetSequence(), pep4.getDatasetSequence(), map);
2471 dna.addCodonFrame(acf);
2474 * execute method under test to find CDS for EMBL peptides only
2476 AlignmentI cds = AlignmentUtils.makeCdsAlignment(new SequenceI[] {
2477 dna1, dna2 }, dna.getDataset(), emblPeptides.getSequencesArray());
2479 assertEquals(2, cds.getSequences().size());
2480 assertEquals("GGGTTT", cds.getSequenceAt(0).getSequenceAsString());
2481 assertEquals("GGGTTTCCC", cds.getSequenceAt(1).getSequenceAsString());
2484 * verify shared, extended alignment dataset
2486 assertSame(dna.getDataset(), cds.getDataset());
2487 assertTrue(dna.getDataset().getSequences()
2488 .contains(cds.getSequenceAt(0).getDatasetSequence()));
2489 assertTrue(dna.getDataset().getSequences()
2490 .contains(cds.getSequenceAt(1).getDatasetSequence()));
2493 * Verify mappings from CDS to peptide, cDNA to CDS, and cDNA to peptide
2494 * the mappings are on the shared alignment dataset
2496 List<AlignedCodonFrame> cdsMappings = cds.getDataset().getCodonFrames();
2498 * 6 mappings, 2*(DNA->CDS), 2*(DNA->Pep), 2*(CDS->Pep)
2500 assertEquals(6, cdsMappings.size());
2503 * verify that mapping sets for dna and cds alignments are different
2504 * [not current behaviour - all mappings are on the alignment dataset]
2506 // select -> subselect type to test.
2507 // Assert.assertNotSame(dna.getCodonFrames(), cds.getCodonFrames());
2508 // assertEquals(4, dna.getCodonFrames().size());
2509 // assertEquals(4, cds.getCodonFrames().size());
2512 * Two mappings involve pep3 (dna to pep3, cds to pep3)
2513 * Mapping from pep3 to GGGTTT in first new exon sequence
2515 List<AlignedCodonFrame> pep3Mappings = MappingUtils
2516 .findMappingsForSequence(pep3, cdsMappings);
2517 assertEquals(2, pep3Mappings.size());
2518 List<AlignedCodonFrame> mappings = MappingUtils
2519 .findMappingsForSequence(cds.getSequenceAt(0), pep3Mappings);
2520 assertEquals(1, mappings.size());
2523 SearchResultsI sr = MappingUtils.buildSearchResults(pep3, 1, mappings);
2524 assertEquals(1, sr.getResults().size());
2525 SearchResultMatchI m = sr.getResults().get(0);
2526 assertSame(cds.getSequenceAt(0).getDatasetSequence(), m.getSequence());
2527 assertEquals(1, m.getStart());
2528 assertEquals(3, m.getEnd());
2530 sr = MappingUtils.buildSearchResults(pep3, 2, mappings);
2531 m = sr.getResults().get(0);
2532 assertSame(cds.getSequenceAt(0).getDatasetSequence(), m.getSequence());
2533 assertEquals(4, m.getStart());
2534 assertEquals(6, m.getEnd());
2537 * Two mappings involve pep4 (dna to pep4, cds to pep4)
2538 * Verify mapping from pep4 to GGGTTTCCC in second new exon sequence
2540 List<AlignedCodonFrame> pep4Mappings = MappingUtils
2541 .findMappingsForSequence(pep4, cdsMappings);
2542 assertEquals(2, pep4Mappings.size());
2543 mappings = MappingUtils.findMappingsForSequence(cds.getSequenceAt(1),
2545 assertEquals(1, mappings.size());
2547 sr = MappingUtils.buildSearchResults(pep4, 1, mappings);
2548 assertEquals(1, sr.getResults().size());
2549 m = sr.getResults().get(0);
2550 assertSame(cds.getSequenceAt(1).getDatasetSequence(), m.getSequence());
2551 assertEquals(1, m.getStart());
2552 assertEquals(3, m.getEnd());
2554 sr = MappingUtils.buildSearchResults(pep4, 2, mappings);
2555 m = sr.getResults().get(0);
2556 assertSame(cds.getSequenceAt(1).getDatasetSequence(), m.getSequence());
2557 assertEquals(4, m.getStart());
2558 assertEquals(6, m.getEnd());
2560 sr = MappingUtils.buildSearchResults(pep4, 3, mappings);
2561 m = sr.getResults().get(0);
2562 assertSame(cds.getSequenceAt(1).getDatasetSequence(), m.getSequence());
2563 assertEquals(7, m.getStart());
2564 assertEquals(9, m.getEnd());
2568 * Test the method that just copies aligned sequences, provided all sequences
2569 * to be aligned share the aligned sequence's dataset
2571 @Test(groups = "Functional")
2572 public void testAlignAsSameSequences()
2574 SequenceI dna1 = new Sequence("dna1", "cccGGGTTTaaa");
2575 SequenceI dna2 = new Sequence("dna2", "CCCgggtttAAA");
2576 AlignmentI al1 = new Alignment(new SequenceI[] { dna1, dna2 });
2577 ((Alignment) al1).createDatasetAlignment();
2579 SequenceI dna3 = new Sequence(dna1);
2580 SequenceI dna4 = new Sequence(dna2);
2581 assertSame(dna3.getDatasetSequence(), dna1.getDatasetSequence());
2582 assertSame(dna4.getDatasetSequence(), dna2.getDatasetSequence());
2583 String seq1 = "-cc-GG-GT-TT--aaa";
2584 dna3.setSequence(seq1);
2585 String seq2 = "C--C-Cgg--gtt-tAA-A-";
2586 dna4.setSequence(seq2);
2587 AlignmentI al2 = new Alignment(new SequenceI[] { dna3, dna4 });
2588 ((Alignment) al2).createDatasetAlignment();
2590 assertTrue(AlignmentUtils.alignAsSameSequences(al1, al2));
2591 assertEquals(seq1, al1.getSequenceAt(0).getSequenceAsString());
2592 assertEquals(seq2, al1.getSequenceAt(1).getSequenceAsString());
2595 * add another sequence to 'aligned' - should still succeed, since
2596 * unaligned sequences still share a dataset with aligned sequences
2598 SequenceI dna5 = new Sequence("dna5", "CCCgggtttAAA");
2599 dna5.createDatasetSequence();
2600 al2.addSequence(dna5);
2601 assertTrue(AlignmentUtils.alignAsSameSequences(al1, al2));
2602 assertEquals(seq1, al1.getSequenceAt(0).getSequenceAsString());
2603 assertEquals(seq2, al1.getSequenceAt(1).getSequenceAsString());
2606 * add another sequence to 'unaligned' - should fail, since now not
2607 * all unaligned sequences share a dataset with aligned sequences
2609 SequenceI dna6 = new Sequence("dna6", "CCCgggtttAAA");
2610 dna6.createDatasetSequence();
2611 al1.addSequence(dna6);
2612 // JAL-2110 JBP Comment: what's the use case for this behaviour ?
2613 assertFalse(AlignmentUtils.alignAsSameSequences(al1, al2));
2616 @Test(groups = "Functional")
2617 public void testAlignAsSameSequencesMultipleSubSeq()
2619 SequenceI dna1 = new Sequence("dna1", "cccGGGTTTaaa");
2620 SequenceI dna2 = new Sequence("dna2", "CCCgggtttAAA");
2621 SequenceI as1 = dna1.deriveSequence();
2622 SequenceI as2 = dna1.deriveSequence().getSubSequence(3, 7);
2623 SequenceI as3 = dna2.deriveSequence();
2624 as1.insertCharAt(6, 5, '-');
2625 String s_as1 = as1.getSequenceAsString();
2626 as2.insertCharAt(6, 5, '-');
2627 String s_as2 = as2.getSequenceAsString();
2628 as3.insertCharAt(6, 5, '-');
2629 String s_as3 = as3.getSequenceAsString();
2630 AlignmentI aligned = new Alignment(new SequenceI[] { as1, as2, as3 });
2632 // why do we need to cast this still ?
2633 ((Alignment) aligned).createDatasetAlignment();
2634 SequenceI uas1 = dna1.deriveSequence();
2635 SequenceI uas2 = dna1.deriveSequence().getSubSequence(3, 7);
2636 SequenceI uas3 = dna2.deriveSequence();
2637 AlignmentI tobealigned = new Alignment(new SequenceI[] { uas1, uas2,
2639 ((Alignment) tobealigned).createDatasetAlignment();
2641 assertTrue(AlignmentUtils.alignAsSameSequences(tobealigned, aligned));
2642 assertEquals(s_as1, uas1.getSequenceAsString());
2643 assertEquals(s_as2, uas2.getSequenceAsString());
2644 assertEquals(s_as3, uas3.getSequenceAsString());
2647 @Test(groups = { "Functional" })
2648 public void testTransferGeneLoci()
2650 SequenceI from = new Sequence("transcript",
2651 "aaacccgggTTTAAACCCGGGtttaaacccgggttt");
2652 SequenceI to = new Sequence("CDS", "TTTAAACCCGGG");
2653 MapList map = new MapList(new int[] { 1, 12 }, new int[] { 10, 21 }, 1,
2657 * first with nothing to transfer
2659 AlignmentUtils.transferGeneLoci(from, map, to);
2660 assertNull(to.getGeneLoci());
2663 * next with gene loci set on 'from' sequence
2665 int[] exons = new int[] { 100, 105, 155, 164, 210, 229 };
2666 MapList geneMap = new MapList(new int[] { 1, 36 }, exons, 1, 1);
2667 from.setGeneLoci("human", "GRCh38", "7", geneMap);
2668 AlignmentUtils.transferGeneLoci(from, map, to);
2670 GeneLociI toLoci = to.getGeneLoci();
2671 assertNotNull(toLoci);
2672 // DBRefEntry constructor upper-cases 'source'
2673 assertEquals("HUMAN", toLoci.getSpeciesId());
2674 assertEquals("GRCh38", toLoci.getAssemblyId());
2675 assertEquals("7", toLoci.getChromosomeId());
2678 * transcript 'exons' are 1-6, 7-16, 17-36
2679 * CDS 1:12 is transcript 10-21
2680 * transcript 'CDS' is 10-16, 17-21
2681 * which is 'gene' 158-164, 210-214
2683 MapList toMap = toLoci.getMap();
2684 assertEquals(1, toMap.getFromRanges().size());
2685 assertEquals(2, toMap.getFromRanges().get(0).length);
2686 assertEquals(1, toMap.getFromRanges().get(0)[0]);
2687 assertEquals(12, toMap.getFromRanges().get(0)[1]);
2688 assertEquals(2, toMap.getToRanges().size());
2689 assertEquals(2, toMap.getToRanges().get(0).length);
2690 assertEquals(158, toMap.getToRanges().get(0)[0]);
2691 assertEquals(164, toMap.getToRanges().get(0)[1]);
2692 assertEquals(210, toMap.getToRanges().get(1)[0]);
2693 assertEquals(214, toMap.getToRanges().get(1)[1]);
2694 // or summarised as (but toString might change in future):
2695 assertEquals("[ [1, 12] ] 1:1 to [ [158, 164] [210, 214] ]",
2699 * an existing value is not overridden
2701 geneMap = new MapList(new int[] { 1, 36 }, new int[] { 36, 1 }, 1, 1);
2702 from.setGeneLoci("inhuman", "GRCh37", "6", geneMap);
2703 AlignmentUtils.transferGeneLoci(from, map, to);
2704 assertEquals("GRCh38", toLoci.getAssemblyId());
2705 assertEquals("7", toLoci.getChromosomeId());
2706 toMap = toLoci.getMap();
2707 assertEquals("[ [1, 12] ] 1:1 to [ [158, 164] [210, 214] ]",
2712 * Tests for the method that maps nucleotide to protein based on CDS features
2714 @Test(groups = "Functional")
2715 public void testMapCdsToProtein()
2717 SequenceI peptide = new Sequence("pep", "KLQ");
2720 * Case 1: CDS 3 times length of peptide
2721 * NB method only checks lengths match, not translation
2723 SequenceI dna = new Sequence("dna", "AACGacgtCTCCT");
2724 dna.createDatasetSequence();
2725 dna.addSequenceFeature(new SequenceFeature("CDS", "", 1, 4, null));
2726 dna.addSequenceFeature(new SequenceFeature("CDS", "", 9, 13, null));
2727 MapList ml = AlignmentUtils.mapCdsToProtein(dna, peptide);
2728 assertEquals(3, ml.getFromRatio());
2729 assertEquals(1, ml.getToRatio());
2730 assertEquals("[[1, 3]]",
2731 Arrays.deepToString(ml.getToRanges().toArray()));
2732 assertEquals("[[1, 4], [9, 13]]",
2733 Arrays.deepToString(ml.getFromRanges().toArray()));
2736 * Case 2: CDS 3 times length of peptide + stop codon
2737 * (note code does not currently check trailing codon is a stop codon)
2739 dna = new Sequence("dna", "AACGacgtCTCCTCCC");
2740 dna.createDatasetSequence();
2741 dna.addSequenceFeature(new SequenceFeature("CDS", "", 1, 4, null));
2742 dna.addSequenceFeature(new SequenceFeature("CDS", "", 9, 16, null));
2743 ml = AlignmentUtils.mapCdsToProtein(dna, peptide);
2744 assertEquals(3, ml.getFromRatio());
2745 assertEquals(1, ml.getToRatio());
2746 assertEquals("[[1, 3]]",
2747 Arrays.deepToString(ml.getToRanges().toArray()));
2748 assertEquals("[[1, 4], [9, 13]]",
2749 Arrays.deepToString(ml.getFromRanges().toArray()));
2752 * Case 3: CDS longer than 3 * peptide + stop codon - no mapping is made
2754 dna = new Sequence("dna", "AACGacgtCTCCTTGATCA");
2755 dna.createDatasetSequence();
2756 dna.addSequenceFeature(new SequenceFeature("CDS", "", 1, 4, null));
2757 dna.addSequenceFeature(new SequenceFeature("CDS", "", 9, 19, null));
2758 ml = AlignmentUtils.mapCdsToProtein(dna, peptide);
2762 * Case 4: CDS shorter than 3 * peptide - no mapping is made
2764 dna = new Sequence("dna", "AACGacgtCTCC");
2765 dna.createDatasetSequence();
2766 dna.addSequenceFeature(new SequenceFeature("CDS", "", 1, 4, null));
2767 dna.addSequenceFeature(new SequenceFeature("CDS", "", 9, 12, null));
2768 ml = AlignmentUtils.mapCdsToProtein(dna, peptide);
2772 * Case 5: CDS 3 times length of peptide + part codon - mapping is truncated
2774 dna = new Sequence("dna", "AACGacgtCTCCTTG");
2775 dna.createDatasetSequence();
2776 dna.addSequenceFeature(new SequenceFeature("CDS", "", 1, 4, null));
2777 dna.addSequenceFeature(new SequenceFeature("CDS", "", 9, 15, null));
2778 ml = AlignmentUtils.mapCdsToProtein(dna, peptide);
2779 assertEquals(3, ml.getFromRatio());
2780 assertEquals(1, ml.getToRatio());
2781 assertEquals("[[1, 3]]",
2782 Arrays.deepToString(ml.getToRanges().toArray()));
2783 assertEquals("[[1, 4], [9, 13]]",
2784 Arrays.deepToString(ml.getFromRanges().toArray()));
2787 * Case 6: incomplete start codon corresponding to X in peptide
2789 dna = new Sequence("dna", "ACGacgtCTCCTTGG");
2790 dna.createDatasetSequence();
2791 SequenceFeature sf = new SequenceFeature("CDS", "", 1, 3, null);
2792 sf.setPhase("2"); // skip 2 positions (AC) to start of next codon (GCT)
2793 dna.addSequenceFeature(sf);
2794 dna.addSequenceFeature(new SequenceFeature("CDS", "", 8, 15, null));
2795 peptide = new Sequence("pep", "XLQ");
2796 ml = AlignmentUtils.mapCdsToProtein(dna, peptide);
2797 assertEquals("[[2, 3]]",
2798 Arrays.deepToString(ml.getToRanges().toArray()));
2799 assertEquals("[[3, 3], [8, 12]]",
2800 Arrays.deepToString(ml.getFromRanges().toArray()));
2804 * Tests for the method that locates the CDS sequence that has a mapping to
2805 * the given protein. That is, given a transcript-to-peptide mapping, find the
2806 * cds-to-peptide mapping that relates to both, and return the CDS sequence.
2809 public void testFindCdsForProtein()
2811 List<AlignedCodonFrame> mappings = new ArrayList<>();
2812 AlignedCodonFrame acf1 = new AlignedCodonFrame();
2815 SequenceI dna1 = new Sequence("dna1", "cgatATcgGCTATCTATGacg");
2816 dna1.createDatasetSequence();
2818 // NB we currently exclude STOP codon from CDS sequences
2819 // the test would need to change if this changes in future
2820 SequenceI cds1 = new Sequence("cds1", "ATGCTATCT");
2821 cds1.createDatasetSequence();
2823 SequenceI pep1 = new Sequence("pep1", "MLS");
2824 pep1.createDatasetSequence();
2825 List<AlignedCodonFrame> seqMappings = new ArrayList<>();
2826 MapList mapList = new MapList(
2828 { 5, 6, 9, 15 }, new int[] { 1, 3 }, 3, 1);
2829 Mapping dnaToPeptide = new Mapping(pep1.getDatasetSequence(), mapList);
2831 // add dna to peptide mapping
2832 seqMappings.add(acf1);
2833 acf1.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(),
2837 * first case - no dna-to-CDS mapping exists - search fails
2839 SequenceI seq = AlignmentUtils.findCdsForProtein(mappings, dna1,
2840 seqMappings, dnaToPeptide);
2844 * second case - CDS-to-peptide mapping exists but no dna-to-CDS
2847 // todo this test fails if the mapping is added to acf1, not acf2
2848 // need to tidy up use of lists of mappings in AlignedCodonFrame
2849 AlignedCodonFrame acf2 = new AlignedCodonFrame();
2851 MapList cdsToPeptideMapping = new MapList(new int[]
2852 { 1, 9 }, new int[] { 1, 3 }, 3, 1);
2853 acf2.addMap(cds1.getDatasetSequence(), pep1.getDatasetSequence(),
2854 cdsToPeptideMapping);
2855 assertNull(AlignmentUtils.findCdsForProtein(mappings, dna1, seqMappings,
2859 * third case - add dna-to-CDS mapping - CDS is now found!
2861 MapList dnaToCdsMapping = new MapList(new int[] { 5, 6, 9, 15 },
2864 acf1.addMap(dna1.getDatasetSequence(), cds1.getDatasetSequence(),
2866 seq = AlignmentUtils.findCdsForProtein(mappings, dna1, seqMappings,
2868 assertSame(seq, cds1.getDatasetSequence());
2872 * Tests for the method that locates the CDS sequence that has a mapping to
2873 * the given protein. That is, given a transcript-to-peptide mapping, find the
2874 * cds-to-peptide mapping that relates to both, and return the CDS sequence.
2875 * This test is for the case where transcript and CDS are the same length.
2878 public void testFindCdsForProtein_noUTR()
2880 List<AlignedCodonFrame> mappings = new ArrayList<>();
2881 AlignedCodonFrame acf1 = new AlignedCodonFrame();
2884 SequenceI dna1 = new Sequence("dna1", "ATGCTATCTTAA");
2885 dna1.createDatasetSequence();
2887 // NB we currently exclude STOP codon from CDS sequences
2888 // the test would need to change if this changes in future
2889 SequenceI cds1 = new Sequence("cds1", "ATGCTATCT");
2890 cds1.createDatasetSequence();
2892 SequenceI pep1 = new Sequence("pep1", "MLS");
2893 pep1.createDatasetSequence();
2894 List<AlignedCodonFrame> seqMappings = new ArrayList<>();
2895 MapList mapList = new MapList(
2897 { 1, 9 }, new int[] { 1, 3 }, 3, 1);
2898 Mapping dnaToPeptide = new Mapping(pep1.getDatasetSequence(), mapList);
2900 // add dna to peptide mapping
2901 seqMappings.add(acf1);
2902 acf1.addMap(dna1.getDatasetSequence(), pep1.getDatasetSequence(),
2906 * first case - transcript lacks CDS features - it appears to be
2907 * the CDS sequence and is returned
2909 SequenceI seq = AlignmentUtils.findCdsForProtein(mappings, dna1,
2910 seqMappings, dnaToPeptide);
2911 assertSame(seq, dna1.getDatasetSequence());
2914 * second case - transcript has CDS feature - this means it is
2915 * not returned as a match for CDS (CDS sequences don't have CDS features)
2917 dna1.addSequenceFeature(
2918 new SequenceFeature(SequenceOntologyI.CDS, "cds", 1, 12, null));
2919 seq = AlignmentUtils.findCdsForProtein(mappings, dna1, seqMappings,
2924 * third case - CDS-to-peptide mapping exists but no dna-to-CDS
2927 // todo this test fails if the mapping is added to acf1, not acf2
2928 // need to tidy up use of lists of mappings in AlignedCodonFrame
2929 AlignedCodonFrame acf2 = new AlignedCodonFrame();
2931 MapList cdsToPeptideMapping = new MapList(new int[]
2932 { 1, 9 }, new int[] { 1, 3 }, 3, 1);
2933 acf2.addMap(cds1.getDatasetSequence(), pep1.getDatasetSequence(),
2934 cdsToPeptideMapping);
2935 assertNull(AlignmentUtils.findCdsForProtein(mappings, dna1, seqMappings,
2939 * fourth case - add dna-to-CDS mapping - CDS is now found!
2941 MapList dnaToCdsMapping = new MapList(new int[] { 1, 9 },
2944 acf1.addMap(dna1.getDatasetSequence(), cds1.getDatasetSequence(),
2946 seq = AlignmentUtils.findCdsForProtein(mappings, dna1, seqMappings,
2948 assertSame(seq, cds1.getDatasetSequence());