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.assertNotSame;
27 import static org.testng.AssertJUnit.assertNull;
28 import static org.testng.AssertJUnit.assertSame;
29 import static org.testng.AssertJUnit.assertTrue;
31 import jalview.datamodel.AlignedCodonFrame;
32 import jalview.datamodel.AlignedCodonFrame.SequenceToSequenceMapping;
33 import jalview.datamodel.Alignment;
34 import jalview.datamodel.AlignmentI;
35 import jalview.datamodel.DBRefEntry;
36 import jalview.datamodel.Mapping;
37 import jalview.datamodel.Sequence;
38 import jalview.datamodel.SequenceFeature;
39 import jalview.datamodel.SequenceI;
40 import jalview.gui.JvOptionPane;
41 import jalview.util.DBRefUtils;
42 import jalview.util.MapList;
43 import jalview.ws.SequenceFetcher;
44 import jalview.ws.SequenceFetcherFactory;
46 import java.util.ArrayList;
47 import java.util.List;
49 import org.testng.annotations.AfterClass;
50 import org.testng.annotations.BeforeClass;
51 import org.testng.annotations.Test;
53 public class CrossRefTest
56 @BeforeClass(alwaysRun = true)
57 public void setUpJvOptionPane()
59 JvOptionPane.setInteractiveMode(false);
60 JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
63 @Test(groups = { "Functional" })
64 public void testFindXDbRefs()
66 DBRefEntry ref1 = new DBRefEntry("UNIPROT", "1", "A123");
67 DBRefEntry ref2 = new DBRefEntry("UNIPROTKB/TREMBL", "1", "A123");
68 DBRefEntry ref3 = new DBRefEntry("pdb", "1", "A123");
69 DBRefEntry ref4 = new DBRefEntry("EMBLCDSPROTEIN", "1", "A123");
70 DBRefEntry ref5 = new DBRefEntry("embl", "1", "A123");
71 DBRefEntry ref6 = new DBRefEntry("emblCDS", "1", "A123");
72 DBRefEntry ref7 = new DBRefEntry("GeneDB", "1", "A123");
73 DBRefEntry ref8 = new DBRefEntry("PFAM", "1", "A123");
74 // ENSEMBL is a source of either dna or protein sequence data
75 DBRefEntry ref9 = new DBRefEntry("ENSEMBL", "1", "A123");
76 DBRefEntry[] refs = new DBRefEntry[] { ref1, ref2, ref3, ref4, ref5,
77 ref6, ref7, ref8, ref9 };
82 DBRefEntry[] found = DBRefUtils.selectDbRefs(true, refs);
83 assertEquals(4, found.length);
84 assertSame(ref5, found[0]);
85 assertSame(ref6, found[1]);
86 assertSame(ref7, found[2]);
87 assertSame(ref9, found[3]);
90 * Just the protein refs:
92 found = DBRefUtils.selectDbRefs(false, refs);
93 assertEquals(4, found.length);
94 assertSame(ref1, found[0]);
95 assertSame(ref2, found[1]);
96 assertSame(ref4, found[2]);
97 assertSame(ref9, found[3]);
101 * Test the method that finds a sequence's "product" xref source databases,
102 * which may be direct (dbrefs on the sequence), or indirect (dbrefs on
103 * sequences which share a dbref with the sequence
105 @Test(groups = { "Functional" }, enabled = true)
106 public void testFindXrefSourcesForSequence_proteinToDna()
108 SequenceI seq = new Sequence("Seq1", "MGKYQARLSS");
109 List<String> sources = new ArrayList<>();
110 AlignmentI al = new Alignment(new SequenceI[] {});
113 * first with no dbrefs to search
115 sources = new CrossRef(new SequenceI[] { seq }, al)
116 .findXrefSourcesForSequences(false);
117 assertTrue(sources.isEmpty());
120 * add some dbrefs to sequence
122 // protein db is not a candidate for findXrefSources
123 seq.addDBRef(new DBRefEntry("UNIPROT", "0", "A1234"));
124 // dna coding databatases are
125 seq.addDBRef(new DBRefEntry("EMBL", "0", "E2345"));
126 // a second EMBL xref should not result in a duplicate
127 seq.addDBRef(new DBRefEntry("EMBL", "0", "E2346"));
128 seq.addDBRef(new DBRefEntry("EMBLCDS", "0", "E2347"));
129 seq.addDBRef(new DBRefEntry("GENEDB", "0", "E2348"));
130 seq.addDBRef(new DBRefEntry("ENSEMBL", "0", "E2349"));
131 seq.addDBRef(new DBRefEntry("ENSEMBLGENOMES", "0", "E2350"));
132 sources = new CrossRef(new SequenceI[] { seq }, al)
133 .findXrefSourcesForSequences(false);
134 // method is patched to remove EMBL from the sources to match
135 assertEquals(4, sources.size());
136 assertEquals("[EMBLCDS, GENEDB, ENSEMBL, ENSEMBLGENOMES]",
140 * add a sequence to the alignment which has a dbref to UNIPROT|A1234
141 * and others to dna coding databases
145 seq.addDBRef(new DBRefEntry("UNIPROT", "0", "A1234"));
146 seq.addDBRef(new DBRefEntry("EMBLCDS", "0", "E2347"));
147 SequenceI seq2 = new Sequence("Seq2", "MGKYQARLSS");
148 seq2.addDBRef(new DBRefEntry("UNIPROT", "0", "A1234"));
149 seq2.addDBRef(new DBRefEntry("EMBL", "0", "E2345"));
150 seq2.addDBRef(new DBRefEntry("GENEDB", "0", "E2348"));
151 // TODO include ENSEMBLGENOMES in DBRefSource.DNACODINGDBS ?
152 al.addSequence(seq2);
153 sources = new CrossRef(new SequenceI[] { seq, seq2 }, al)
154 .findXrefSourcesForSequences(false);
155 // method removed EMBL from sources to match
156 assertEquals(2, sources.size());
157 assertEquals("[EMBLCDS, GENEDB]", sources.toString());
161 * Test for finding 'product' sequences for the case where only an indirect
162 * xref is found - not on the nucleotide sequence but on a peptide sequence in
163 * the alignment which which it shares a nucleotide dbref
165 @Test(groups = { "Functional" }, enabled = true)
166 public void testFindXrefSequences_indirectDbrefToProtein()
170 * - nucleotide dbref EMBL|AF039662
171 * - peptide dbrefs EMBL|AF039662, UNIPROT|Q9ZTS2
173 SequenceI emblSeq = new Sequence("AF039662", "GGGGCAGCACAAGAAC");
174 emblSeq.addDBRef(new DBRefEntry("EMBL", "0", "AF039662"));
175 SequenceI uniprotSeq = new Sequence("Q9ZTS2", "MASVSATMISTS");
176 uniprotSeq.addDBRef(new DBRefEntry("EMBL", "0", "AF039662"));
177 uniprotSeq.addDBRef(new DBRefEntry("UNIPROT", "0", "Q9ZTS2"));
180 * Find UNIPROT xrefs for nucleotide
181 * - it has no UNIPROT dbref of its own
182 * - but peptide with matching nucleotide dbref does, so is returned
184 AlignmentI al = new Alignment(new SequenceI[] { emblSeq, uniprotSeq });
185 Alignment xrefs = new CrossRef(new SequenceI[] { emblSeq }, al)
186 .findXrefSequences("UNIPROT", true);
187 assertEquals(1, xrefs.getHeight());
188 assertSame(uniprotSeq, xrefs.getSequenceAt(0));
192 * Test for finding 'product' sequences for the case where only an indirect
193 * xref is found - not on the peptide sequence but on a nucleotide sequence in
194 * the alignment which which it shares a protein dbref
196 @Test(groups = { "Functional" }, enabled = true)
197 public void testFindXrefSequences_indirectDbrefToNucleotide()
201 * - peptide dbref UNIPROT|Q9ZTS2
202 * - nucleotide dbref EMBL|AF039662, UNIPROT|Q9ZTS2
204 SequenceI uniprotSeq = new Sequence("Q9ZTS2", "MASVSATMISTS");
205 uniprotSeq.addDBRef(new DBRefEntry("UNIPROT", "0", "Q9ZTS2"));
206 SequenceI emblSeq = new Sequence("AF039662", "GGGGCAGCACAAGAAC");
207 emblSeq.addDBRef(new DBRefEntry("EMBL", "0", "AF039662"));
208 emblSeq.addDBRef(new DBRefEntry("UNIPROT", "0", "Q9ZTS2"));
211 * find EMBL xrefs for peptide sequence - it has no direct
212 * dbrefs, but the 'corresponding' nucleotide sequence does, so is returned
215 * Find EMBL xrefs for peptide
216 * - it has no EMBL dbref of its own
217 * - but nucleotide with matching peptide dbref does, so is returned
219 AlignmentI al = new Alignment(new SequenceI[] { emblSeq, uniprotSeq });
220 Alignment xrefs = new CrossRef(new SequenceI[] { uniprotSeq }, al)
221 .findXrefSequences("EMBL", false);
222 assertEquals(1, xrefs.getHeight());
223 assertSame(emblSeq, xrefs.getSequenceAt(0));
227 * Test for finding 'product' sequences for the case where the selected
228 * sequence has no dbref to the desired source, and there are no indirect
229 * references via another sequence in the alignment
231 @Test(groups = { "Functional" })
232 public void testFindXrefSequences_noDbrefs()
235 * two nucleotide sequences, one with UNIPROT dbref
237 SequenceI dna1 = new Sequence("AF039662", "GGGGCAGCACAAGAAC");
238 dna1.addDBRef(new DBRefEntry("UNIPROT", "0", "Q9ZTS2"));
239 SequenceI dna2 = new Sequence("AJ307031", "AAACCCTTT");
242 * find UNIPROT xrefs for peptide sequence - it has no direct
243 * dbrefs, and the other sequence (which has a UNIPROT dbref) is not
244 * equatable to it, so no results found
246 AlignmentI al = new Alignment(new SequenceI[] { dna1, dna2 });
247 Alignment xrefs = new CrossRef(new SequenceI[] { dna2 }, al)
248 .findXrefSequences("UNIPROT", true);
253 * Tests for the method that searches an alignment (with one sequence
254 * excluded) for protein/nucleotide sequences with a given cross-reference
256 @Test(groups = { "Functional" }, enabled = true)
257 public void testSearchDataset()
260 * nucleotide sequence with UNIPROT AND EMBL dbref
261 * peptide sequence with UNIPROT dbref
263 SequenceI dna1 = new Sequence("AF039662", "GGGGCAGCACAAGAAC");
264 Mapping map = new Mapping(new Sequence("pep2", "MLAVSRG"), new MapList(
265 new int[] { 1, 21 }, new int[] { 1, 7 }, 3, 1));
266 DBRefEntry dbref = new DBRefEntry("UNIPROT", "0", "Q9ZTS2", map);
267 dna1.addDBRef(dbref);
268 dna1.addDBRef(new DBRefEntry("EMBL", "0", "AF039662"));
269 SequenceI pep1 = new Sequence("Q9ZTS2", "MLAVSRGQ");
270 dbref = new DBRefEntry("UNIPROT", "0", "Q9ZTS2");
271 pep1.addDBRef(new DBRefEntry("UNIPROT", "0", "Q9ZTS2"));
272 AlignmentI al = new Alignment(new SequenceI[] { dna1, pep1 });
274 List<SequenceI> result = new ArrayList<>();
277 * first search for a dbref nowhere on the alignment:
279 dbref = new DBRefEntry("UNIPROT", "0", "P30419");
280 CrossRef testee = new CrossRef(al.getSequencesArray(), al);
281 AlignedCodonFrame acf = new AlignedCodonFrame();
282 boolean found = testee.searchDataset(true, dna1, dbref, result, acf,
285 assertTrue(result.isEmpty());
286 assertTrue(acf.isEmpty());
289 * search for a protein sequence with dbref UNIPROT:Q9ZTS2
291 acf = new AlignedCodonFrame();
292 dbref = new DBRefEntry("UNIPROT", "0", "Q9ZTS2");
293 found = testee.searchDataset(!dna1.isProtein(), dna1, dbref, result,
294 acf, false); // search dataset with a protein xref from a dna
295 // sequence to locate the protein product
297 assertEquals(1, result.size());
298 assertSame(pep1, result.get(0));
299 assertTrue(acf.isEmpty());
302 * search for a nucleotide sequence with dbref UNIPROT:Q9ZTS2
305 acf = new AlignedCodonFrame();
306 dbref = new DBRefEntry("UNIPROT", "0", "Q9ZTS2");
307 found = testee.searchDataset(!pep1.isProtein(), pep1, dbref, result,
308 acf, false); // search dataset with a protein's direct dbref to
309 // locate dna sequences with matching xref
311 assertEquals(1, result.size());
312 assertSame(dna1, result.get(0));
313 // should now have a mapping from dna to pep1
314 List<SequenceToSequenceMapping> mappings = acf.getMappings();
315 assertEquals(1, mappings.size());
316 SequenceToSequenceMapping mapping = mappings.get(0);
317 assertSame(dna1, mapping.getFromSeq());
318 assertSame(pep1, mapping.getMapping().getTo());
319 MapList mapList = mapping.getMapping().getMap();
320 assertEquals(1, mapList.getToRatio());
321 assertEquals(3, mapList.getFromRatio());
322 assertEquals(1, mapList.getFromRanges().size());
323 assertEquals(1, mapList.getFromRanges().get(0)[0]);
324 assertEquals(21, mapList.getFromRanges().get(0)[1]);
325 assertEquals(1, mapList.getToRanges().size());
326 assertEquals(1, mapList.getToRanges().get(0)[0]);
327 assertEquals(7, mapList.getToRanges().get(0)[1]);
331 * Test for finding 'product' sequences for the case where the selected
332 * sequence has a dbref with a mapping to a sequence. This represents the case
335 * <li>a fetched sequence is already decorated with its cross-reference (e.g.
336 * EMBL + translation), or</li>
337 * <li>Get Cross-References has been done once resulting in instantiated
338 * cross-reference mappings</li>
341 @Test(groups = { "Functional" })
342 public void testFindXrefSequences_fromDbRefMap()
345 * scenario: nucleotide sequence AF039662
346 * with dbref + mapping to Q9ZTS2 and P30419
347 * which themselves each have a dbref and feature
349 SequenceI dna1 = new Sequence("AF039662", "GGGGCAGCACAAGAAC");
350 SequenceI pep1 = new Sequence("Q9ZTS2", "MALFQRSV");
351 SequenceI pep2 = new Sequence("P30419", "MTRRSQIF");
352 dna1.createDatasetSequence();
353 pep1.createDatasetSequence();
354 pep2.createDatasetSequence();
356 pep1.getDatasetSequence().addDBRef(
357 new DBRefEntry("Pfam", "0", "PF00111"));
358 pep1.addSequenceFeature(new SequenceFeature("type", "desc", 12, 14, 1f,
360 pep2.getDatasetSequence().addDBRef(new DBRefEntry("PDB", "0", "3JTK"));
361 pep2.addSequenceFeature(new SequenceFeature("type2", "desc2", 13, 15,
364 MapList mapList = new MapList(new int[] { 1, 24 }, new int[] { 1, 3 },
366 Mapping map = new Mapping(pep1, mapList);
367 DBRefEntry dbRef1 = new DBRefEntry("UNIPROT", "0", "Q9ZTS2", map);
368 dna1.getDatasetSequence().addDBRef(dbRef1);
369 mapList = new MapList(new int[] { 1, 24 }, new int[] { 1, 3 }, 3, 1);
370 map = new Mapping(pep2, mapList);
371 DBRefEntry dbRef2 = new DBRefEntry("UNIPROT", "0", "P30419", map);
372 dna1.getDatasetSequence().addDBRef(dbRef2);
375 * find UNIPROT xrefs for nucleotide sequence - it should pick up
378 AlignmentI al = new Alignment(new SequenceI[] { dna1 });
379 Alignment xrefs = new CrossRef(new SequenceI[] { dna1 }, al)
380 .findXrefSequences("UNIPROT", true);
381 assertEquals(2, xrefs.getHeight());
384 * cross-refs alignment holds copies of the mapped sequences
385 * including copies of their dbrefs and features
387 checkCopySequence(pep1, xrefs.getSequenceAt(0));
388 checkCopySequence(pep2, xrefs.getSequenceAt(1));
392 * Helper method that verifies that 'copy' has the same name, start, end,
393 * sequence and dataset sequence object as 'original' (but is not the same
399 private void checkCopySequence(SequenceI copy, SequenceI original)
401 assertNotSame(copy, original);
402 assertSame(copy.getDatasetSequence(), original.getDatasetSequence());
403 assertEquals(copy.getName(), original.getName());
404 assertEquals(copy.getStart(), original.getStart());
405 assertEquals(copy.getEnd(), original.getEnd());
406 assertEquals(copy.getSequenceAsString(), original.getSequenceAsString());
410 * Test for finding 'product' sequences for the case where the selected
411 * sequence has a dbref with no mapping, triggering a fetch from database
413 @Test(groups = { "Functional" })
414 public void testFindXrefSequences_withFetch()
416 SequenceI dna1 = new Sequence("AF039662", "GGGGCAGCACAAGAAC");
417 dna1.addDBRef(new DBRefEntry("UNIPROT", "ENA:0", "Q9ZTS2"));
418 dna1.addDBRef(new DBRefEntry("UNIPROT", "ENA:0", "P30419"));
419 dna1.addDBRef(new DBRefEntry("UNIPROT", "ENA:0", "P00314"));
420 final SequenceI pep1 = new Sequence("Q9ZTS2", "MYQLIRSSW");
421 pep1.addDBRef(new DBRefEntry("UNIPROT", "0", "Q9ZTS2"));
423 final SequenceI pep2 = new Sequence("P00314", "MRKLLAASG");
424 pep2.addDBRef(new DBRefEntry("UNIPROT", "0", "P00314"));
427 * argument false suppresses adding DAS sources
428 * todo: define an interface type SequenceFetcherI and mock that
430 SequenceFetcher mockFetcher = new SequenceFetcher()
433 public boolean isFetchable(String source)
439 public SequenceI[] getSequences(List<DBRefEntry> refs, boolean dna)
441 return new SequenceI[] { pep1, pep2 };
444 SequenceFetcherFactory.setSequenceFetcher(mockFetcher);
447 * find UNIPROT xrefs for nucleotide sequence
449 AlignmentI al = new Alignment(new SequenceI[] { dna1 });
450 Alignment xrefs = new CrossRef(new SequenceI[] { dna1 }, al)
451 .findXrefSequences("UNIPROT", true);
452 assertEquals(2, xrefs.getHeight());
453 assertSame(pep1, xrefs.getSequenceAt(0));
454 assertSame(pep2, xrefs.getSequenceAt(1));
458 public void tearDown()
460 SequenceFetcherFactory.setSequenceFetcher(null);
464 * Test for finding 'product' sequences for the case where both gene and
465 * transcript sequences have dbrefs to Uniprot.
467 @Test(groups = { "Functional" })
468 public void testFindXrefSequences_forGeneAndTranscripts()
473 SequenceI gene = new Sequence("ENSG00000157764", "CGCCTCCCTTCCCC");
474 gene.addDBRef(new DBRefEntry("UNIPROT", "0", "P15056"));
475 gene.addDBRef(new DBRefEntry("UNIPROT", "0", "H7C5K3"));
478 * 'transcript' with CDS feature (supports mapping to protein)
480 SequenceI braf001 = new Sequence("ENST00000288602", "taagATGGCGGCGCTGa");
481 braf001.addDBRef(new DBRefEntry("UNIPROT", "0", "P15056"));
482 braf001.addSequenceFeature(new SequenceFeature("CDS", "", 5, 16, 0f,
486 * 'spliced transcript' with CDS ranges
488 SequenceI braf002 = new Sequence("ENST00000497784", "gCAGGCtaTCTGTTCaa");
489 braf002.addDBRef(new DBRefEntry("UNIPROT", "ENSEMBL|0", "H7C5K3"));
490 braf002.addSequenceFeature(new SequenceFeature("CDS", "", 2, 6, 0f,
492 braf002.addSequenceFeature(new SequenceFeature("CDS", "", 9, 15, 0f,
496 * TODO code is fragile - use of SequenceIdMatcher depends on fetched
497 * sequences having a name starting Source|Accession
498 * which happens to be true for Uniprot,PDB,EMBL but not Pfam,Rfam,Ensembl
500 final SequenceI pep1 = new Sequence("UNIPROT|P15056", "MAAL");
501 pep1.addDBRef(new DBRefEntry("UNIPROT", "0", "P15056"));
502 final SequenceI pep2 = new Sequence("UNIPROT|H7C5K3", "QALF");
503 pep2.addDBRef(new DBRefEntry("UNIPROT", "0", "H7C5K3"));
505 * argument false suppresses adding DAS sources
506 * todo: define an interface type SequenceFetcherI and mock that
508 SequenceFetcher mockFetcher = new SequenceFetcher()
511 public boolean isFetchable(String source)
517 public SequenceI[] getSequences(List<DBRefEntry> refs, boolean dna)
519 return new SequenceI[] { pep1, pep2 };
522 SequenceFetcherFactory.setSequenceFetcher(mockFetcher);
525 * find UNIPROT xrefs for gene and transcripts
527 * - the two proteins are retrieved but not duplicated
528 * - mappings are built from transcript (CDS) to proteins
529 * - no mappings from gene to proteins
531 SequenceI[] seqs = new SequenceI[] { gene, braf001, braf002 };
532 AlignmentI al = new Alignment(seqs);
533 Alignment xrefs = new CrossRef(seqs, al).findXrefSequences("UNIPROT",
535 assertEquals(2, xrefs.getHeight());
536 assertSame(pep1, xrefs.getSequenceAt(0));
537 assertSame(pep2, xrefs.getSequenceAt(1));
542 * Test that emulates this (real but simplified) case:
544 * UNIPROT|P0CE19 EMBL|J03321, EMBL|X06707, EMBL|M19487
545 * UNIPROT|P0CE20 EMBL|J03321, EMBL|X06707, EMBL|X07547
546 * Find cross-references for EMBL. These are mocked here as
547 * EMBL|J03321 with mappings to P0CE18, P0CE19, P0CE20
548 * EMBL|X06707 with mappings to P0CE17, P0CE19, P0CE20
549 * EMBL|M19487 with mappings to P0CE19, Q46432
550 * EMBL|X07547 with mappings to P0CE20, B0BCM4
551 * EMBL sequences are first 'fetched' (mocked here) for P0CE19.
552 * The 3 EMBL sequences are added to the alignment dataset.
553 * Their dbrefs to Uniprot products P0CE19 and P0CE20 should be matched in the
554 * alignment dataset and updated to reference the original Uniprot sequences.
555 * For the second Uniprot sequence, the J03321 and X06707 xrefs should be
556 * resolved from the dataset, and only the X07547 dbref fetched.
557 * So the end state to verify is:
558 * - 4 cross-ref sequences returned: J03321, X06707, M19487, X07547
559 * - P0CE19/20 dbrefs to EMBL sequences now have mappings
560 * - J03321 dbrefs to P0CE19/20 mapped to original Uniprot sequences
561 * - X06707 dbrefs to P0CE19/20 mapped to original Uniprot sequences
564 @Test(groups = { "Functional" })
565 public void testFindXrefSequences_uniprotEmblManyToMany()
568 * Uniprot sequences, both with xrefs to EMBL|J03321
571 SequenceI p0ce19 = new Sequence("UNIPROT|P0CE19", "KPFG");
572 p0ce19.addDBRef(new DBRefEntry("EMBL", "0", "J03321"));
573 p0ce19.addDBRef(new DBRefEntry("EMBL", "0", "X06707"));
574 p0ce19.addDBRef(new DBRefEntry("EMBL", "0", "M19487"));
575 SequenceI p0ce20 = new Sequence("UNIPROT|P0CE20", "PFGK");
576 p0ce20.addDBRef(new DBRefEntry("EMBL", "0", "J03321"));
577 p0ce20.addDBRef(new DBRefEntry("EMBL", "0", "X06707"));
578 p0ce20.addDBRef(new DBRefEntry("EMBL", "0", "X07547"));
581 * EMBL sequences to be 'fetched', complete with dbrefs and mappings
582 * to their protein products (CDS location and translations are provided
583 * in EMBL XML); these should be matched to, and replaced with,
584 * the corresponding uniprot sequences after fetching
588 * J03321 with mappings to P0CE19 and P0CE20
590 final SequenceI j03321 = new Sequence("EMBL|J03321", "AAACCCTTTGGGAAAA");
591 DBRefEntry dbref1 = new DBRefEntry("UNIPROT", "0", "P0CE19");
592 MapList mapList = new MapList(new int[] { 1, 12 }, new int[] { 1, 4 },
594 Mapping map = new Mapping(new Sequence("UNIPROT|P0CE19", "KPFG"),
596 // add a dbref to the mapped to sequence - should get copied to p0ce19
597 map.getTo().addDBRef(new DBRefEntry("PIR", "0", "S01875"));
599 j03321.addDBRef(dbref1);
600 DBRefEntry dbref2 = new DBRefEntry("UNIPROT", "0", "P0CE20");
601 mapList = new MapList(new int[] { 4, 15 }, new int[] { 2, 5 }, 3, 1);
602 dbref2.setMap(new Mapping(new Sequence("UNIPROT|P0CE20", "PFGK"),
603 new MapList(mapList)));
604 j03321.addDBRef(dbref2);
607 * X06707 with mappings to P0CE19 and P0CE20
609 final SequenceI x06707 = new Sequence("EMBL|X06707", "atgAAACCCTTTGGG");
610 DBRefEntry dbref3 = new DBRefEntry("UNIPROT", "0", "P0CE19");
611 MapList map2 = new MapList(new int[] { 4, 15 }, new int[] { 1, 4 }, 3,
613 dbref3.setMap(new Mapping(new Sequence("UNIPROT|P0CE19", "KPFG"), map2));
614 x06707.addDBRef(dbref3);
615 DBRefEntry dbref4 = new DBRefEntry("UNIPROT", "0", "P0CE20");
616 MapList map3 = new MapList(new int[] { 4, 15 }, new int[] { 1, 4 }, 3,
618 dbref4.setMap(new Mapping(new Sequence("UNIPROT|P0CE20", "PFGK"), map3));
619 x06707.addDBRef(dbref4);
622 * M19487 with mapping to P0CE19 and Q46432
624 final SequenceI m19487 = new Sequence("EMBL|M19487", "AAACCCTTTGGG");
625 DBRefEntry dbref5 = new DBRefEntry("UNIPROT", "0", "P0CE19");
626 dbref5.setMap(new Mapping(new Sequence("UNIPROT|P0CE19", "KPFG"),
627 new MapList(mapList)));
628 m19487.addDBRef(dbref5);
629 DBRefEntry dbref6 = new DBRefEntry("UNIPROT", "0", "Q46432");
630 dbref6.setMap(new Mapping(new Sequence("UNIPROT|Q46432", "KPFG"),
631 new MapList(mapList)));
632 m19487.addDBRef(dbref6);
635 * X07547 with mapping to P0CE20 and B0BCM4
637 final SequenceI x07547 = new Sequence("EMBL|X07547", "cccAAACCCTTTGGG");
638 DBRefEntry dbref7 = new DBRefEntry("UNIPROT", "0", "P0CE20");
639 dbref7.setMap(new Mapping(new Sequence("UNIPROT|P0CE20", "PFGK"),
641 x07547.addDBRef(dbref7);
642 DBRefEntry dbref8 = new DBRefEntry("UNIPROT", "0", "B0BCM4");
643 dbref8.setMap(new Mapping(new Sequence("UNIPROT|B0BCM4", "KPFG"),
645 x07547.addDBRef(dbref8);
648 * mock sequence fetcher to 'return' the EMBL sequences
649 * TODO: Mockito would allow .thenReturn().thenReturn() here,
650 * and also capture and verification of the parameters
651 * passed in calls to getSequences() - important to verify that
652 * duplicate sequence fetches are not requested
654 SequenceFetcher mockFetcher = new SequenceFetcher()
659 public boolean isFetchable(String source)
665 public SequenceI[] getSequences(List<DBRefEntry> refs, boolean dna)
670 assertEquals("Expected 3 embl seqs in first fetch", 3,
672 return new SequenceI[] { j03321, x06707, m19487 };
676 assertEquals("Expected 1 embl seq in second fetch", 1,
678 return new SequenceI[] { x07547 };
682 SequenceFetcherFactory.setSequenceFetcher(mockFetcher);
685 * find EMBL xrefs for Uniprot seqs and verify that
686 * - the EMBL xref'd sequences are retrieved without duplicates
687 * - mappings are added to the Uniprot dbrefs
688 * - mappings in the EMBL-to-Uniprot dbrefs are updated to the
689 * alignment sequences
690 * - dbrefs on the EMBL sequences are added to the original dbrefs
692 SequenceI[] seqs = new SequenceI[] { p0ce19, p0ce20 };
693 AlignmentI al = new Alignment(seqs);
694 Alignment xrefs = new CrossRef(seqs, al).findXrefSequences("EMBL",
698 * verify retrieved sequences
700 assertNotNull(xrefs);
701 assertEquals(4, xrefs.getHeight());
702 assertSame(j03321, xrefs.getSequenceAt(0));
703 assertSame(x06707, xrefs.getSequenceAt(1));
704 assertSame(m19487, xrefs.getSequenceAt(2));
705 assertSame(x07547, xrefs.getSequenceAt(3));
708 * verify mappings added to Uniprot-to-EMBL dbrefs
710 Mapping mapping = p0ce19.getDBRefs()[0].getMap();
711 assertSame(j03321, mapping.getTo());
712 mapping = p0ce19.getDBRefs()[1].getMap();
713 assertSame(x06707, mapping.getTo());
714 mapping = p0ce20.getDBRefs()[0].getMap();
715 assertSame(j03321, mapping.getTo());
716 mapping = p0ce20.getDBRefs()[1].getMap();
717 assertSame(x06707, mapping.getTo());
720 * verify dbrefs on EMBL are mapped to alignment seqs
722 assertSame(p0ce19, j03321.getDBRefs()[0].getMap().getTo());
723 assertSame(p0ce20, j03321.getDBRefs()[1].getMap().getTo());
724 assertSame(p0ce19, x06707.getDBRefs()[0].getMap().getTo());
725 assertSame(p0ce20, x06707.getDBRefs()[1].getMap().getTo());
728 * verify new dbref on EMBL dbref mapping is copied to the
729 * original Uniprot sequence
731 assertEquals(4, p0ce19.getDBRefs().length);
732 assertEquals("PIR", p0ce19.getDBRefs()[3].getSource());
733 assertEquals("S01875", p0ce19.getDBRefs()[3].getAccessionId());
736 @Test(groups = "Functional")
737 public void testSameSequence()
739 assertTrue(CrossRef.sameSequence(null, null));
740 SequenceI seq1 = new Sequence("seq1", "ABCDEF");
741 assertFalse(CrossRef.sameSequence(seq1, null));
742 assertFalse(CrossRef.sameSequence(null, seq1));
743 assertTrue(CrossRef.sameSequence(seq1, new Sequence("seq2", "ABCDEF")));
744 assertTrue(CrossRef.sameSequence(seq1, new Sequence("seq2", "abcdef")));
746 .sameSequence(seq1, new Sequence("seq2", "ABCDE-F")));
747 assertFalse(CrossRef.sameSequence(seq1, new Sequence("seq2", "BCDEF")));