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.
23 import static org.testng.AssertJUnit.assertEquals;
24 import static org.testng.AssertJUnit.assertFalse;
25 import static org.testng.AssertJUnit.assertNull;
26 import static org.testng.AssertJUnit.assertSame;
27 import static org.testng.AssertJUnit.assertTrue;
29 import jalview.datamodel.Alignment;
30 import jalview.datamodel.AlignmentAnnotation;
31 import jalview.datamodel.AlignmentI;
32 import jalview.datamodel.PDBEntry;
33 import jalview.datamodel.Sequence;
34 import jalview.datamodel.SequenceI;
35 import jalview.io.AppletFormatAdapter;
37 import java.io.IOException;
38 import java.util.List;
40 import org.testng.annotations.Test;
42 public class PDBfileTest
44 @Test(groups = { "Functional" })
45 public void testIsRna()
47 SequenceI seq = new Sequence("Seq1", "CGAU");
48 assertTrue(PDBfile.isRNA(seq));
50 seq.setSequence("CGAu");
51 assertFalse(PDBfile.isRNA(seq));
53 seq.setSequence("CGAT");
54 assertFalse(PDBfile.isRNA(seq));
56 seq.setSequence("GRSWYFLAVM");
57 assertFalse(PDBfile.isRNA(seq));
61 * Test the 'high level' outputs of parsing. More detailed tests in
66 @Test(groups = { "Functional" })
67 public void testParse() throws IOException
70 * Constructor with file path performs parse()
72 PDBfile pf = new PDBfile(false, false, false, "examples/3W5V.pdb",
73 AppletFormatAdapter.FILE);
75 assertEquals("3W5V", pf.getId());
76 // verify no alignment annotations created
77 assertNull(getAlignmentAnnotations(pf));
79 assertEquals(4, pf.getChains().size());
80 assertEquals("A", pf.getChains().get(0).id);
81 assertEquals("B", pf.getChains().get(1).id);
82 assertEquals("C", pf.getChains().get(2).id);
83 assertEquals("D", pf.getChains().get(3).id);
85 PDBChain chainA = pf.getChains().get(0);
86 SequenceI seqA = pf.getSeqs().get(0);
88 assertEquals(0, chainA.seqstart); // not set
89 assertEquals(0, chainA.seqend); // not set
90 assertEquals(18, chainA.sequence.getStart());
91 assertEquals(314, chainA.sequence.getEnd());
92 assertTrue(chainA.sequence.getSequenceAsString().startsWith("KCSKKQEE"));
93 assertTrue(chainA.sequence.getSequenceAsString().endsWith("WNVEVY"));
94 assertEquals("3W5V|A", chainA.sequence.getName());
95 assertNull(chainA.sequence.getAnnotation());
96 assertEquals(1, seqA.getAllPDBEntries().size());
97 PDBEntry pdb = seqA.getAllPDBEntries().get(0);
98 assertEquals("A", pdb.getChainCode());
99 assertEquals("PDB", pdb.getType());
100 assertEquals("3W5V", pdb.getId());
102 PDBChain chainB = pf.getChains().get(1);
103 assertEquals(1, chainB.sequence.getStart());
104 assertEquals(96, chainB.sequence.getEnd());
105 assertTrue(chainB.sequence.getSequenceAsString().startsWith("ATYNVK"));
106 assertTrue(chainB.sequence.getSequenceAsString().endsWith("KEEELT"));
107 assertEquals("3W5V|B", chainB.sequence.getName());
109 PDBChain chainC = pf.getChains().get(2);
110 assertEquals(18, chainC.sequence.getStart());
111 assertEquals(314, chainC.sequence.getEnd());
112 assertTrue(chainC.sequence.getSequenceAsString().startsWith("KCSKKQEE"));
113 assertTrue(chainC.sequence.getSequenceAsString().endsWith("WNVEVY"));
114 assertEquals("3W5V|C", chainC.sequence.getName());
116 PDBChain chainD = pf.getChains().get(3);
117 assertEquals(1, chainD.sequence.getStart());
118 assertEquals(96, chainD.sequence.getEnd());
119 assertTrue(chainD.sequence.getSequenceAsString().startsWith("ATYNVK"));
120 assertTrue(chainD.sequence.getSequenceAsString().endsWith("KEEELT"));
121 assertEquals("3W5V|D", chainD.sequence.getName());
124 * verify PDB-related data in parsed sequences
126 List<SequenceI> seqs = pf.getSeqs();
127 assertEquals(4, seqs.size());
128 assertEquals("3W5V|A", seqs.get(0).getName());
129 assertEquals("3W5V|B", seqs.get(1).getName());
130 assertEquals("3W5V|C", seqs.get(2).getName());
131 assertEquals("3W5V|D", seqs.get(3).getName());
132 assertEquals(1, seqs.get(0).getAllPDBEntries().size());
133 PDBEntry pdbe = seqs.get(0).getAllPDBEntries().get(0);
134 assertEquals("A", pdbe.getChainCode());
135 assertEquals("3W5V", pdbe.getId());
136 assertEquals(PDBEntry.Type.PDB.toString(), pdbe.getType());
140 * Test parsing, with annotations added to the alignment but no secondary
141 * structure prediction
143 * @throws IOException
145 @Test(groups = { "Functional" })
146 public void testParse_withAnnotations_noSS() throws IOException
148 PDBfile pf = new PDBfile(true, false, false, "examples/3W5V.pdb",
149 AppletFormatAdapter.FILE);
151 AlignmentAnnotation[] anns = getAlignmentAnnotations(pf);
152 assertEquals(4, anns.length);
155 * Inspect temp factor annotation for chain A
157 AlignmentAnnotation chainAnnotation = anns[0];
158 assertEquals("Temperature Factor", chainAnnotation.label);
159 // PDBChain constructor changes PDB id to lower case (why?)
160 assertEquals("Temperature Factor for 3w5vA",
161 chainAnnotation.description);
162 assertSame(pf.getSeqs().get(0), chainAnnotation.sequenceRef);
163 assertEquals(AlignmentAnnotation.LINE_GRAPH, chainAnnotation.graph);
164 assertEquals(0f, chainAnnotation.graphMin, 0.001f);
165 assertEquals(40f, chainAnnotation.graphMax, 0.001f);
166 assertEquals(297, chainAnnotation.annotations.length);
167 assertEquals(40f, chainAnnotation.annotations[0].value, 0.001f);
170 * Chain B temp factor
172 chainAnnotation = anns[1];
173 assertEquals("Temperature Factor for 3w5vB",
174 chainAnnotation.description);
175 assertSame(pf.getSeqs().get(1), chainAnnotation.sequenceRef);
176 assertEquals(96, chainAnnotation.annotations.length);
179 * Chain C temp factor
181 chainAnnotation = anns[2];
182 assertEquals("Temperature Factor for 3w5vC",
183 chainAnnotation.description);
184 assertSame(pf.getSeqs().get(2), chainAnnotation.sequenceRef);
185 assertEquals(297, chainAnnotation.annotations.length);
188 * Chain D temp factor
190 chainAnnotation = anns[3];
191 assertEquals("Temperature Factor for 3w5vD",
192 chainAnnotation.description);
193 assertSame(pf.getSeqs().get(3), chainAnnotation.sequenceRef);
194 assertEquals(96, chainAnnotation.annotations.length);
198 * Test parsing including secondary structure annotation using JMol; this test
199 * for the case where flag to add annotations to alignment is set false
201 * @throws IOException
203 @Test(groups = { "Functional" })
204 public void testParse_withJmol_noAnnotations() throws IOException
206 PDBfile pf = new PDBfile(false, true, false, "examples/3W5V.pdb",
207 AppletFormatAdapter.FILE);
210 * alignment annotations _are_ created anyway (in
211 * AlignSeq.replaceMatchingSeqsWith())
213 final AlignmentAnnotation[] anns = getAlignmentAnnotations(pf);
214 assertEquals(4, anns.length);
217 * no sequence annotations created - tempFactor annotation is not added
218 * unless the flag to 'addAlignmentAnnotations' is set true
220 for (PDBChain c : pf.getChains())
222 assertNull(c.sequence.getAnnotation());
227 * Test parsing including secondary structure prediction and annotation using
230 * @throws IOException
232 @Test(groups = { "Functional" })
233 public void testParse_withJmolAddAlignmentAnnotations()
236 PDBfile pf = new PDBfile(true, true, false, "examples/3W5V.pdb",
237 AppletFormatAdapter.FILE);
240 * Alignment annotations for TempFactor, SecStruct, per sequence (chain)
242 AlignmentAnnotation[] anns = getAlignmentAnnotations(pf);
243 assertEquals(8, anns.length);
246 * other tests have detailed assertions for Temp Factor annotations
248 assertEquals("Temperature Factor for 3w5vA", anns[1].description);
249 assertEquals("Temperature Factor for 3w5vB", anns[3].description);
250 assertEquals("Temperature Factor for 3w5vC", anns[5].description);
251 assertEquals("Temperature Factor for 3w5vD", anns[7].description);
254 * PDBFileWithJmol (unlike PDBChain!) leaves PDB id upper case
256 assertEquals("Secondary Structure for 3w5vA", anns[0].description);
257 assertEquals("Secondary Structure for 3w5vB", anns[2].description);
258 assertEquals("Secondary Structure for 3w5vC", anns[4].description);
259 assertEquals("Secondary Structure for 3w5vD", anns[6].description);
262 * Verify SS annotations are linked to respective sequences (chains)
264 assertSame(pf.getSeqs().get(0), anns[0].sequenceRef);
265 assertSame(pf.getSeqs().get(1), anns[2].sequenceRef);
266 assertSame(pf.getSeqs().get(2), anns[4].sequenceRef);
267 assertSame(pf.getSeqs().get(3), anns[6].sequenceRef);
270 * Verify a sample of SS predictions
272 for (int i = 0; i < 20; i++)
274 assertNull(anns[0].annotations[i]);
275 assertEquals("E", anns[0].annotations[20].displayCharacter);
276 assertEquals('E', anns[0].annotations[20].secondaryStructure);
277 assertEquals("E", anns[2].annotations[18].displayCharacter);
278 assertEquals("H", anns[2].annotations[23].displayCharacter);
283 * Placeholder for a test of parsing RNA structure with secondary structure
284 * prediction using the Annotate3D service
286 * @throws IOException
289 @Test(groups = { "Functional" }, enabled = false)
290 public void testParse_withAnnotate3D() throws IOException
292 // TODO requires a mock for Annotate3D processing
293 // and/or run as an integration test
294 PDBfile pf = new PDBfile(true, true, true, "examples/2GIS.pdb",
295 AppletFormatAdapter.FILE);
299 * Helper method to extract parsed annotations from the PDBfile
304 private AlignmentAnnotation[] getAlignmentAnnotations(PDBfile pf)
306 AlignmentI al = new Alignment(pf.getSeqsAsArray());
307 pf.addAnnotations(al);
308 return al.getAlignmentAnnotation();