test/jalview/datamodel/features/SequenceFeaturesTest.java

   1 package jalview.datamodel.features;
   2
   3 import static org.testng.Assert.assertEquals;
   4 import static org.testng.Assert.assertFalse;
   5 import static org.testng.Assert.assertSame;
   6 import static org.testng.Assert.assertTrue;
   7
   8 import jalview.datamodel.SequenceFeature;
   9
  10 import java.util.ArrayList;
  11 import java.util.Iterator;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.Set;
  15
  16 import junit.extensions.PA;
  17
  18 import org.testng.annotations.Test;
  19
  20 public class SequenceFeaturesTest
  21 {
  22   @Test(groups = "Functional")
  23   public void testConstructor()
  24   {
  25     SequenceFeaturesI store = new SequenceFeatures();
  26     assertFalse(store.hasFeatures());
  27
  28     store = new SequenceFeatures((List<SequenceFeature>) null);
  29     assertFalse(store.hasFeatures());
  30
  31     List<SequenceFeature> features = new ArrayList<>();
  32     store = new SequenceFeatures(features);
  33     assertFalse(store.hasFeatures());
  34
  35     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
  36             Float.NaN, null);
  37     features.add(sf1);
  38     SequenceFeature sf2 = new SequenceFeature("Metal", "desc", 15, 18,
  39             Float.NaN, null);
  40     features.add(sf2); // nested
  41     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc2", 0, 0,
  42             Float.NaN, null); // non-positional
  43     features.add(sf3);
  44     store = new SequenceFeatures(features);
  45     assertTrue(store.hasFeatures());
  46     assertEquals(2, store.getFeatureCount(true)); // positional
  47     assertEquals(1, store.getFeatureCount(false)); // non-positional
  48     assertFalse(store.add(sf1)); // already contained
  49     assertFalse(store.add(sf2)); // already contained
  50     assertFalse(store.add(sf3)); // already contained
  51   }
  52
  53   @Test(groups = "Functional")
  54   public void testGetPositionalFeatures()
  55   {
  56     SequenceFeaturesI store = new SequenceFeatures();
  57     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
  58             Float.NaN, null);
  59     store.add(sf1);
  60     // same range, different description
  61     SequenceFeature sf2 = new SequenceFeature("Metal", "desc2", 10, 20,
  62             Float.NaN, null);
  63     store.add(sf2);
  64     // discontiguous range
  65     SequenceFeature sf3 = new SequenceFeature("Metal", "desc", 30, 40,
  66             Float.NaN, null);
  67     store.add(sf3);
  68     // overlapping range
  69     SequenceFeature sf4 = new SequenceFeature("Metal", "desc", 15, 35,
  70             Float.NaN, null);
  71     store.add(sf4);
  72     // enclosing range
  73     SequenceFeature sf5 = new SequenceFeature("Metal", "desc", 5, 50,
  74             Float.NaN, null);
  75     store.add(sf5);
  76     // non-positional feature
  77     SequenceFeature sf6 = new SequenceFeature("Metal", "desc", 0, 0,
  78             Float.NaN, null);
  79     store.add(sf6);
  80     // contact feature
  81     SequenceFeature sf7 = new SequenceFeature("Disulphide bond", "desc",
  82             18, 45, Float.NaN, null);
  83     store.add(sf7);
  84     // different feature type
  85     SequenceFeature sf8 = new SequenceFeature("Pfam", "desc", 30, 40,
  86             Float.NaN, null);
  87     store.add(sf8);
  88     SequenceFeature sf9 = new SequenceFeature("Pfam", "desc", 15, 35,
  89             Float.NaN, null);
  90     store.add(sf9);
  91
  92     /*
  93      * get all positional features
  94      */
  95     List<SequenceFeature> features = store.getPositionalFeatures();
  96     assertEquals(features.size(), 8);
  97     assertTrue(features.contains(sf1));
  98     assertTrue(features.contains(sf2));
  99     assertTrue(features.contains(sf3));
 100     assertTrue(features.contains(sf4));
 101     assertTrue(features.contains(sf5));
 102     assertFalse(features.contains(sf6)); // non-positional
 103     assertTrue(features.contains(sf7));
 104     assertTrue(features.contains(sf8));
 105     assertTrue(features.contains(sf9));
 106
 107     /*
 108      * get features by type
 109      */
 110     assertTrue(store.getPositionalFeatures((String) null).isEmpty());
 111     assertTrue(store.getPositionalFeatures("Cath").isEmpty());
 112     assertTrue(store.getPositionalFeatures("METAL").isEmpty());
 113
 114     features = store.getPositionalFeatures("Metal");
 115     assertEquals(features.size(), 5);
 116     assertTrue(features.contains(sf1));
 117     assertTrue(features.contains(sf2));
 118     assertTrue(features.contains(sf3));
 119     assertTrue(features.contains(sf4));
 120     assertTrue(features.contains(sf5));
 121     assertFalse(features.contains(sf6));
 122
 123     features = store.getPositionalFeatures("Disulphide bond");
 124     assertEquals(features.size(), 1);
 125     assertTrue(features.contains(sf7));
 126
 127     features = store.getPositionalFeatures("Pfam");
 128     assertEquals(features.size(), 2);
 129     assertTrue(features.contains(sf8));
 130     assertTrue(features.contains(sf9));
 131   }
 132
 133   @Test(groups = "Functional")
 134   public void testGetContactFeatures()
 135   {
 136     SequenceFeaturesI store = new SequenceFeatures();
 137     // non-contact
 138     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
 139             Float.NaN, null);
 140     store.add(sf1);
 141     // non-positional
 142     SequenceFeature sf2 = new SequenceFeature("Metal", "desc", 0, 0,
 143             Float.NaN, null);
 144     store.add(sf2);
 145     // contact feature
 146     SequenceFeature sf3 = new SequenceFeature("Disulphide bond", "desc",
 147             18, 45, Float.NaN, null);
 148     store.add(sf3);
 149     // repeat for different feature type
 150     SequenceFeature sf4 = new SequenceFeature("Pfam", "desc", 10, 20,
 151             Float.NaN, null);
 152     store.add(sf4);
 153     SequenceFeature sf5 = new SequenceFeature("Pfam", "desc", 0, 0,
 154             Float.NaN, null);
 155     store.add(sf5);
 156     SequenceFeature sf6 = new SequenceFeature("Disulfide bond", "desc", 18,
 157             45, Float.NaN, null);
 158     store.add(sf6);
 159
 160     /*
 161      * get all contact features
 162      */
 163     List<SequenceFeature> features = store.getContactFeatures();
 164     assertEquals(features.size(), 2);
 165     assertTrue(features.contains(sf3));
 166     assertTrue(features.contains(sf6));
 167
 168     /*
 169      * get contact features by type
 170      */
 171     assertTrue(store.getContactFeatures((String) null).isEmpty());
 172     assertTrue(store.getContactFeatures("Cath").isEmpty());
 173     assertTrue(store.getContactFeatures("Pfam").isEmpty());
 174     assertTrue(store.getContactFeatures("DISULPHIDE BOND").isEmpty());
 175
 176     features = store.getContactFeatures("Disulphide bond");
 177     assertEquals(features.size(), 1);
 178     assertTrue(features.contains(sf3));
 179
 180     features = store.getContactFeatures("Disulfide bond");
 181     assertEquals(features.size(), 1);
 182     assertTrue(features.contains(sf6));
 183   }
 184
 185   @Test(groups = "Functional")
 186   public void testGetNonPositionalFeatures()
 187   {
 188     SequenceFeaturesI store = new SequenceFeatures();
 189     // positional
 190     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
 191             Float.NaN, null);
 192     store.add(sf1);
 193     // non-positional
 194     SequenceFeature sf2 = new SequenceFeature("Metal", "desc", 0, 0,
 195             Float.NaN, null);
 196     store.add(sf2);
 197     // contact feature
 198     SequenceFeature sf3 = new SequenceFeature("Disulphide bond", "desc",
 199             18, 45, Float.NaN, null);
 200     store.add(sf3);
 201     // repeat for different feature type
 202     SequenceFeature sf4 = new SequenceFeature("Pfam", "desc", 10, 20,
 203             Float.NaN, null);
 204     store.add(sf4);
 205     SequenceFeature sf5 = new SequenceFeature("Pfam", "desc", 0, 0,
 206             Float.NaN, null);
 207     store.add(sf5);
 208     SequenceFeature sf6 = new SequenceFeature("Disulfide bond", "desc", 18,
 209             45, Float.NaN, null);
 210     store.add(sf6);
 211     // one more non-positional, different description
 212     SequenceFeature sf7 = new SequenceFeature("Pfam", "desc2", 0, 0,
 213             Float.NaN, null);
 214     store.add(sf7);
 215
 216     /*
 217      * get all non-positional features
 218      */
 219     List<SequenceFeature> features = store.getNonPositionalFeatures();
 220     assertEquals(features.size(), 3);
 221     assertTrue(features.contains(sf2));
 222     assertTrue(features.contains(sf5));
 223     assertTrue(features.contains(sf7));
 224
 225     /*
 226      * get non-positional features by type
 227      */
 228     assertTrue(store.getNonPositionalFeatures((String) null).isEmpty());
 229     assertTrue(store.getNonPositionalFeatures("Cath").isEmpty());
 230     assertTrue(store.getNonPositionalFeatures("PFAM").isEmpty());
 231
 232     features = store.getNonPositionalFeatures("Metal");
 233     assertEquals(features.size(), 1);
 234     assertTrue(features.contains(sf2));
 235
 236     features = store.getNonPositionalFeatures("Pfam");
 237     assertEquals(features.size(), 2);
 238     assertTrue(features.contains(sf5));
 239     assertTrue(features.contains(sf7));
 240   }
 241
 242   /**
 243    * Helper method to add a feature of no particular type
 244    *
 245    * @param sf
 246    * @param type
 247    * @param from
 248    * @param to
 249    * @return
 250    */
 251   SequenceFeature addFeature(SequenceFeaturesI sf, String type, int from,
 252           int to)
 253   {
 254     SequenceFeature sf1 = new SequenceFeature(type, "", from, to,
 255             Float.NaN,
 256             null);
 257     sf.add(sf1);
 258     return sf1;
 259   }
 260
 261   @Test(groups = "Functional")
 262   public void testFindFeatures()
 263   {
 264     SequenceFeaturesI sf = new SequenceFeatures();
 265     SequenceFeature sf1 = addFeature(sf, "Pfam", 10, 50);
 266     SequenceFeature sf2 = addFeature(sf, "Pfam", 1, 15);
 267     SequenceFeature sf3 = addFeature(sf, "Pfam", 20, 30);
 268     SequenceFeature sf4 = addFeature(sf, "Pfam", 40, 100);
 269     SequenceFeature sf5 = addFeature(sf, "Pfam", 60, 100);
 270     SequenceFeature sf6 = addFeature(sf, "Pfam", 70, 70);
 271     SequenceFeature sf7 = addFeature(sf, "Cath", 10, 50);
 272     SequenceFeature sf8 = addFeature(sf, "Cath", 1, 15);
 273     SequenceFeature sf9 = addFeature(sf, "Cath", 20, 30);
 274     SequenceFeature sf10 = addFeature(sf, "Cath", 40, 100);
 275     SequenceFeature sf11 = addFeature(sf, "Cath", 60, 100);
 276     SequenceFeature sf12 = addFeature(sf, "Cath", 70, 70);
 277
 278     List<SequenceFeature> overlaps = sf.findFeatures(200, 200, "Pfam");
 279     assertTrue(overlaps.isEmpty());
 280
 281     overlaps = sf.findFeatures( 1, 9, "Pfam");
 282     assertEquals(overlaps.size(), 1);
 283     assertTrue(overlaps.contains(sf2));
 284
 285     overlaps = sf.findFeatures( 5, 18, "Pfam");
 286     assertEquals(overlaps.size(), 2);
 287     assertTrue(overlaps.contains(sf1));
 288     assertTrue(overlaps.contains(sf2));
 289
 290     overlaps = sf.findFeatures(30, 40, "Pfam");
 291     assertEquals(overlaps.size(), 3);
 292     assertTrue(overlaps.contains(sf1));
 293     assertTrue(overlaps.contains(sf3));
 294     assertTrue(overlaps.contains(sf4));
 295
 296     overlaps = sf.findFeatures( 80, 90, "Pfam");
 297     assertEquals(overlaps.size(), 2);
 298     assertTrue(overlaps.contains(sf4));
 299     assertTrue(overlaps.contains(sf5));
 300
 301     overlaps = sf.findFeatures( 68, 70, "Pfam");
 302     assertEquals(overlaps.size(), 3);
 303     assertTrue(overlaps.contains(sf4));
 304     assertTrue(overlaps.contains(sf5));
 305     assertTrue(overlaps.contains(sf6));
 306
 307     overlaps = sf.findFeatures(16, 69, "Cath");
 308     assertEquals(overlaps.size(), 4);
 309     assertTrue(overlaps.contains(sf7));
 310     assertFalse(overlaps.contains(sf8));
 311     assertTrue(overlaps.contains(sf9));
 312     assertTrue(overlaps.contains(sf10));
 313     assertTrue(overlaps.contains(sf11));
 314     assertFalse(overlaps.contains(sf12));
 315
 316     assertTrue(sf.findFeatures(0, 1000, "Metal").isEmpty());
 317
 318     overlaps = sf.findFeatures(7, 7, (String) null);
 319     assertTrue(overlaps.isEmpty());
 320   }
 321
 322   @Test(groups = "Functional")
 323   public void testDelete()
 324   {
 325     SequenceFeaturesI sf = new SequenceFeatures();
 326     SequenceFeature sf1 = addFeature(sf, "Pfam", 10, 50);
 327     assertTrue(sf.getPositionalFeatures().contains(sf1));
 328
 329     assertFalse(sf.delete(null));
 330     SequenceFeature sf2 = new SequenceFeature("Cath", "", 10, 15, 0f, null);
 331     assertFalse(sf.delete(sf2)); // not added, can't delete it
 332     assertTrue(sf.delete(sf1));
 333     assertTrue(sf.getPositionalFeatures().isEmpty());
 334   }
 335
 336   @Test(groups = "Functional")
 337   public void testHasFeatures()
 338   {
 339     SequenceFeaturesI sf = new SequenceFeatures();
 340     assertFalse(sf.hasFeatures());
 341
 342     SequenceFeature sf1 = addFeature(sf, "Pfam", 10, 50);
 343     assertTrue(sf.hasFeatures());
 344
 345     sf.delete(sf1);
 346     assertFalse(sf.hasFeatures());
 347   }
 348
 349   /**
 350    * Tests for the method that gets feature groups for positional or
 351    * non-positional features
 352    */
 353   @Test(groups = "Functional")
 354   public void testGetFeatureGroups()
 355   {
 356     SequenceFeaturesI sf = new SequenceFeatures();
 357     assertTrue(sf.getFeatureGroups(true).isEmpty());
 358     assertTrue(sf.getFeatureGroups(false).isEmpty());
 359
 360     /*
 361      * add a non-positional feature (begin/end = 0/0)
 362      */
 363     SequenceFeature sfx = new SequenceFeature("AType", "Desc", 0, 0, 0f,
 364             "AGroup");
 365     sf.add(sfx);
 366     Set<String> groups = sf.getFeatureGroups(true); // for positional
 367     assertTrue(groups.isEmpty());
 368     groups = sf.getFeatureGroups(false); // for non-positional
 369     assertEquals(groups.size(), 1);
 370     assertTrue(groups.contains("AGroup"));
 371     groups = sf.getFeatureGroups(false, "AType");
 372     assertEquals(groups.size(), 1);
 373     assertTrue(groups.contains("AGroup"));
 374     groups = sf.getFeatureGroups(true, "AnotherType");
 375     assertTrue(groups.isEmpty());
 376
 377     /*
 378      * add, then delete, more non-positional features of different types
 379      */
 380     SequenceFeature sfy = new SequenceFeature("AnotherType", "Desc", 0, 0,
 381             0f,
 382             "AnotherGroup");
 383     sf.add(sfy);
 384     SequenceFeature sfz = new SequenceFeature("AThirdType", "Desc", 0, 0,
 385             0f,
 386             null);
 387     sf.add(sfz);
 388     groups = sf.getFeatureGroups(false);
 389     assertEquals(groups.size(), 3);
 390     assertTrue(groups.contains("AGroup"));
 391     assertTrue(groups.contains("AnotherGroup"));
 392     assertTrue(groups.contains(null)); // null is a possible group
 393     sf.delete(sfz);
 394     sf.delete(sfy);
 395     groups = sf.getFeatureGroups(false);
 396     assertEquals(groups.size(), 1);
 397     assertTrue(groups.contains("AGroup"));
 398
 399     /*
 400      * add positional features
 401      */
 402     SequenceFeature sf1 = new SequenceFeature("Pfam", "Desc", 10, 50, 0f,
 403             "PfamGroup");
 404     sf.add(sf1);
 405     groups = sf.getFeatureGroups(true);
 406     assertEquals(groups.size(), 1);
 407     assertTrue(groups.contains("PfamGroup"));
 408     groups = sf.getFeatureGroups(false); // non-positional unchanged
 409     assertEquals(groups.size(), 1);
 410     assertTrue(groups.contains("AGroup"));
 411
 412     SequenceFeature sf2 = new SequenceFeature("Cath", "Desc", 10, 50, 0f,
 413             null);
 414     sf.add(sf2);
 415     groups = sf.getFeatureGroups(true);
 416     assertEquals(groups.size(), 2);
 417     assertTrue(groups.contains("PfamGroup"));
 418     assertTrue(groups.contains(null));
 419
 420     sf.delete(sf1);
 421     sf.delete(sf2);
 422     assertTrue(sf.getFeatureGroups(true).isEmpty());
 423
 424     SequenceFeature sf3 = new SequenceFeature("CDS", "", 10, 50, 0f,
 425             "Ensembl");
 426     sf.add(sf3);
 427     SequenceFeature sf4 = new SequenceFeature("exon", "", 10, 50, 0f,
 428             "Ensembl");
 429     sf.add(sf4);
 430     groups = sf.getFeatureGroups(true);
 431     assertEquals(groups.size(), 1);
 432     assertTrue(groups.contains("Ensembl"));
 433
 434     /*
 435      * delete last Ensembl group feature from CDS features
 436      * but still have one in exon features
 437      */
 438     sf.delete(sf3);
 439     groups = sf.getFeatureGroups(true);
 440     assertEquals(groups.size(), 1);
 441     assertTrue(groups.contains("Ensembl"));
 442
 443     /*
 444      * delete the last non-positional feature
 445      */
 446     sf.delete(sfx);
 447     groups = sf.getFeatureGroups(false);
 448     assertTrue(groups.isEmpty());
 449   }
 450
 451   @Test(groups = "Functional")
 452   public void testGetFeatureTypesForGroups()
 453   {
 454     SequenceFeaturesI sf = new SequenceFeatures();
 455     assertTrue(sf.getFeatureTypesForGroups(true, (String) null).isEmpty());
 456
 457     /*
 458      * add feature with group = "Uniprot", type = "helix"
 459      */
 460     String groupUniprot = "Uniprot";
 461     SequenceFeature sf1 = new SequenceFeature("helix", "Desc", 10, 50, 0f,
 462             groupUniprot);
 463     sf.add(sf1);
 464     Set<String> groups = sf.getFeatureTypesForGroups(true, groupUniprot);
 465     assertEquals(groups.size(), 1);
 466     assertTrue(groups.contains("helix"));
 467     assertTrue(sf.getFeatureTypesForGroups(true, (String) null).isEmpty());
 468
 469     /*
 470      * add feature with group = "Uniprot", type = "strand"
 471      */
 472     SequenceFeature sf2 = new SequenceFeature("strand", "Desc", 10, 50, 0f,
 473             groupUniprot);
 474     sf.add(sf2);
 475     groups = sf.getFeatureTypesForGroups(true, groupUniprot);
 476     assertEquals(groups.size(), 2);
 477     assertTrue(groups.contains("helix"));
 478     assertTrue(groups.contains("strand"));
 479
 480     /*
 481      * delete the "strand" Uniprot feature - still have "helix"
 482      */
 483     sf.delete(sf2);
 484     groups = sf.getFeatureTypesForGroups(true, groupUniprot);
 485     assertEquals(groups.size(), 1);
 486     assertTrue(groups.contains("helix"));
 487
 488     /*
 489      * delete the "helix" Uniprot feature - none left
 490      */
 491     sf.delete(sf1);
 492     assertTrue(sf.getFeatureTypesForGroups(true, groupUniprot).isEmpty());
 493
 494     /*
 495      * add some null group features
 496      */
 497     SequenceFeature sf3 = new SequenceFeature("strand", "Desc", 10, 50, 0f,
 498             null);
 499     sf.add(sf3);
 500     SequenceFeature sf4 = new SequenceFeature("turn", "Desc", 10, 50, 0f,
 501             null);
 502     sf.add(sf4);
 503     groups = sf.getFeatureTypesForGroups(true, (String) null);
 504     assertEquals(groups.size(), 2);
 505     assertTrue(groups.contains("strand"));
 506     assertTrue(groups.contains("turn"));
 507
 508     /*
 509      * add strand/Cath  and turn/Scop and query for one or both groups
 510      * (find feature types for groups selected in Feature Settings)
 511      */
 512     SequenceFeature sf5 = new SequenceFeature("strand", "Desc", 10, 50, 0f,
 513             "Cath");
 514     sf.add(sf5);
 515     SequenceFeature sf6 = new SequenceFeature("turn", "Desc", 10, 50, 0f,
 516             "Scop");
 517     sf.add(sf6);
 518     groups = sf.getFeatureTypesForGroups(true, "Cath");
 519     assertEquals(groups.size(), 1);
 520     assertTrue(groups.contains("strand"));
 521     groups = sf.getFeatureTypesForGroups(true, "Scop");
 522     assertEquals(groups.size(), 1);
 523     assertTrue(groups.contains("turn"));
 524     groups = sf.getFeatureTypesForGroups(true, "Cath", "Scop");
 525     assertEquals(groups.size(), 2);
 526     assertTrue(groups.contains("turn"));
 527     assertTrue(groups.contains("strand"));
 528     // alternative vararg syntax
 529     groups = sf.getFeatureTypesForGroups(true, new String[] { "Cath",
 530         "Scop" });
 531     assertEquals(groups.size(), 2);
 532     assertTrue(groups.contains("turn"));
 533     assertTrue(groups.contains("strand"));
 534   }
 535
 536   @Test(groups = "Functional")
 537   public void testGetFeatureTypes()
 538   {
 539     SequenceFeaturesI store = new SequenceFeatures();
 540     Set<String> types = store.getFeatureTypes();
 541     assertTrue(types.isEmpty());
 542
 543     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
 544             Float.NaN, null);
 545     store.add(sf1);
 546     types = store.getFeatureTypes();
 547     assertEquals(types.size(), 1);
 548     assertTrue(types.contains("Metal"));
 549
 550     // null type is rejected...
 551     SequenceFeature sf2 = new SequenceFeature(null, "desc", 10, 20,
 552             Float.NaN, null);
 553     assertFalse(store.add(sf2));
 554     types = store.getFeatureTypes();
 555     assertEquals(types.size(), 1);
 556     assertFalse(types.contains(null));
 557     assertTrue(types.contains("Metal"));
 558
 559     /*
 560      * add non-positional feature
 561      */
 562     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 0, 0,
 563             Float.NaN, null);
 564     store.add(sf3);
 565     types = store.getFeatureTypes();
 566     assertEquals(types.size(), 2);
 567     assertTrue(types.contains("Pfam"));
 568
 569     /*
 570      * add contact feature
 571      */
 572     SequenceFeature sf4 = new SequenceFeature("Disulphide Bond", "desc",
 573             10, 20, Float.NaN, null);
 574     store.add(sf4);
 575     types = store.getFeatureTypes();
 576     assertEquals(types.size(), 3);
 577     assertTrue(types.contains("Disulphide Bond"));
 578
 579     /*
 580      * add another Pfam
 581      */
 582     SequenceFeature sf5 = new SequenceFeature("Pfam", "desc", 10, 20,
 583             Float.NaN, null);
 584     store.add(sf5);
 585     types = store.getFeatureTypes();
 586     assertEquals(types.size(), 3); // unchanged
 587
 588     /*
 589      * delete first Pfam - still have one
 590      */
 591     assertTrue(store.delete(sf3));
 592     types = store.getFeatureTypes();
 593     assertEquals(types.size(), 3);
 594     assertTrue(types.contains("Pfam"));
 595
 596     /*
 597      * delete second Pfam - no longer have one
 598      */
 599     assertTrue(store.delete(sf5));
 600     types = store.getFeatureTypes();
 601     assertEquals(types.size(), 2);
 602     assertFalse(types.contains("Pfam"));
 603   }
 604
 605   @Test(groups = "Functional")
 606   public void testGetFeatureCount()
 607   {
 608     SequenceFeaturesI store = new SequenceFeatures();
 609     assertEquals(store.getFeatureCount(true), 0);
 610     assertEquals(store.getFeatureCount(false), 0);
 611
 612     /*
 613      * add positional
 614      */
 615     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
 616             Float.NaN, null);
 617     store.add(sf1);
 618     assertEquals(store.getFeatureCount(true), 1);
 619     assertEquals(store.getFeatureCount(false), 0);
 620
 621     /*
 622      * null feature type is rejected
 623      */
 624     SequenceFeature sf2 = new SequenceFeature(null, "desc", 10, 20,
 625             Float.NaN, null);
 626     assertFalse(store.add(sf2));
 627     assertEquals(store.getFeatureCount(true), 1);
 628     assertEquals(store.getFeatureCount(false), 0);
 629
 630     /*
 631      * add non-positional feature
 632      */
 633     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 0, 0,
 634             Float.NaN, null);
 635     store.add(sf3);
 636     assertEquals(store.getFeatureCount(true), 1);
 637     assertEquals(store.getFeatureCount(false), 1);
 638
 639     /*
 640      * add contact feature (counts as 1)
 641      */
 642     SequenceFeature sf4 = new SequenceFeature("Disulphide Bond", "desc",
 643             10, 20, Float.NaN, null);
 644     store.add(sf4);
 645     assertEquals(store.getFeatureCount(true), 2);
 646     assertEquals(store.getFeatureCount(false), 1);
 647
 648     /*
 649      * add another Pfam but this time as a positional feature
 650      */
 651     SequenceFeature sf5 = new SequenceFeature("Pfam", "desc", 10, 20,
 652             Float.NaN, null);
 653     store.add(sf5);
 654     assertEquals(store.getFeatureCount(true), 3); // sf1, sf4, sf5
 655     assertEquals(store.getFeatureCount(false), 1); // sf3
 656     assertEquals(store.getFeatureCount(true, "Pfam"), 1); // positional
 657     assertEquals(store.getFeatureCount(false, "Pfam"), 1); // non-positional
 658     // search for type==null
 659     assertEquals(store.getFeatureCount(true, (String) null), 0);
 660     // search with no type specified
 661     assertEquals(store.getFeatureCount(true, (String[]) null), 3);
 662     assertEquals(store.getFeatureCount(true, "Metal", "Cath"), 1);
 663     assertEquals(store.getFeatureCount(true, "Disulphide Bond"), 1);
 664     assertEquals(store.getFeatureCount(true, "Metal", "Pfam", null), 2);
 665
 666     /*
 667      * delete first Pfam (non-positional)
 668      */
 669     assertTrue(store.delete(sf3));
 670     assertEquals(store.getFeatureCount(true), 3);
 671     assertEquals(store.getFeatureCount(false), 0);
 672
 673     /*
 674      * delete second Pfam (positional)
 675      */
 676     assertTrue(store.delete(sf5));
 677     assertEquals(store.getFeatureCount(true), 2);
 678     assertEquals(store.getFeatureCount(false), 0);
 679   }
 680
 681   @Test(groups = "Functional")
 682   public void testGetAllFeatures()
 683   {
 684     SequenceFeaturesI store = new SequenceFeatures();
 685     List<SequenceFeature> features = store.getAllFeatures();
 686     assertTrue(features.isEmpty());
 687
 688     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
 689             Float.NaN, null);
 690     store.add(sf1);
 691     features = store.getAllFeatures();
 692     assertEquals(features.size(), 1);
 693     assertTrue(features.contains(sf1));
 694
 695     SequenceFeature sf2 = new SequenceFeature("Metallic", "desc", 10, 20,
 696             Float.NaN, null);
 697     store.add(sf2);
 698     features = store.getAllFeatures();
 699     assertEquals(features.size(), 2);
 700     assertTrue(features.contains(sf2));
 701
 702     /*
 703      * add non-positional feature
 704      */
 705     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 0, 0,
 706             Float.NaN, null);
 707     store.add(sf3);
 708     features = store.getAllFeatures();
 709     assertEquals(features.size(), 3);
 710     assertTrue(features.contains(sf3));
 711
 712     /*
 713      * add contact feature
 714      */
 715     SequenceFeature sf4 = new SequenceFeature("Disulphide Bond", "desc",
 716             10, 20, Float.NaN, null);
 717     store.add(sf4);
 718     features = store.getAllFeatures();
 719     assertEquals(features.size(), 4);
 720     assertTrue(features.contains(sf4));
 721
 722     /*
 723      * add another Pfam
 724      */
 725     SequenceFeature sf5 = new SequenceFeature("Pfam", "desc", 10, 20,
 726             Float.NaN, null);
 727     store.add(sf5);
 728     features = store.getAllFeatures();
 729     assertEquals(features.size(), 5);
 730     assertTrue(features.contains(sf5));
 731
 732     /*
 733      * select by type does not apply to non-positional features
 734      */
 735     features = store.getAllFeatures("Cath");
 736     assertEquals(features.size(), 1);
 737     assertTrue(features.contains(sf3));
 738
 739     features = store.getAllFeatures("Pfam", "Cath", "Metal");
 740     assertEquals(features.size(), 3);
 741     assertTrue(features.contains(sf1));
 742     assertTrue(features.contains(sf3));
 743     assertTrue(features.contains(sf5));
 744
 745     /*
 746      * delete first Pfam
 747      */
 748     assertTrue(store.delete(sf3));
 749     features = store.getAllFeatures();
 750     assertEquals(features.size(), 4);
 751     assertFalse(features.contains(sf3));
 752
 753     /*
 754      * delete second Pfam
 755      */
 756     assertTrue(store.delete(sf5));
 757     features = store.getAllFeatures();
 758     assertEquals(features.size(), 3);
 759     assertFalse(features.contains(sf3));
 760   }
 761
 762   @Test(groups = "Functional")
 763   public void testGetTotalFeatureLength()
 764   {
 765     SequenceFeaturesI store = new SequenceFeatures();
 766     assertEquals(store.getTotalFeatureLength(), 0);
 767
 768     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
 769             Float.NaN, null);
 770     assertTrue(store.add(sf1));
 771     assertEquals(store.getTotalFeatureLength(), 11);
 772     assertEquals(store.getTotalFeatureLength("Metal"), 11);
 773     assertEquals(store.getTotalFeatureLength("Plastic"), 0);
 774
 775     // re-add does nothing!
 776     assertFalse(store.add(sf1));
 777     assertEquals(store.getTotalFeatureLength(), 11);
 778
 779     /*
 780      * add non-positional feature
 781      */
 782     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 0, 0,
 783             Float.NaN, null);
 784     store.add(sf3);
 785     assertEquals(store.getTotalFeatureLength(), 11);
 786
 787     /*
 788      * add contact feature - counts 1 to feature length
 789      */
 790     SequenceFeature sf4 = new SequenceFeature("Disulphide Bond", "desc",
 791             10, 20, Float.NaN, null);
 792     store.add(sf4);
 793     assertEquals(store.getTotalFeatureLength(), 12);
 794
 795     /*
 796      * add another Pfam
 797      */
 798     SequenceFeature sf5 = new SequenceFeature("Pfam", "desc", 10, 20,
 799             Float.NaN, null);
 800     store.add(sf5);
 801     assertEquals(store.getTotalFeatureLength(), 23);
 802
 803     /*
 804      * delete features
 805      */
 806     assertTrue(store.delete(sf3)); // non-positional
 807     assertEquals(store.getTotalFeatureLength(), 23); // no change
 808
 809     assertTrue(store.delete(sf5));
 810     assertEquals(store.getTotalFeatureLength(), 12);
 811
 812     assertTrue(store.delete(sf4)); // contact
 813     assertEquals(store.getTotalFeatureLength(), 11);
 814
 815     assertTrue(store.delete(sf1));
 816     assertEquals(store.getTotalFeatureLength(), 0);
 817   }
 818
 819   @Test(groups = "Functional")
 820   public void testGetMinimumScore_getMaximumScore()
 821   {
 822     SequenceFeatures sf = new SequenceFeatures();
 823     SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 0, 0,
 824             Float.NaN, "group"); // non-positional, no score
 825     sf.add(sf1);
 826     SequenceFeature sf2 = new SequenceFeature("Cath", "desc", 10, 20,
 827             Float.NaN, "group"); // positional, no score
 828     sf.add(sf2);
 829     SequenceFeature sf3 = new SequenceFeature("Metal", "desc", 10, 20, 1f,
 830             "group");
 831     sf.add(sf3);
 832     SequenceFeature sf4 = new SequenceFeature("Metal", "desc", 12, 16, 4f,
 833             "group");
 834     sf.add(sf4);
 835     SequenceFeature sf5 = new SequenceFeature("Cath", "desc", 0, 0, 11f,
 836             "group");
 837     sf.add(sf5);
 838     SequenceFeature sf6 = new SequenceFeature("Cath", "desc", 0, 0, -7f,
 839             "group");
 840     sf.add(sf6);
 841
 842     assertEquals(sf.getMinimumScore("nosuchtype", true), Float.NaN);
 843     assertEquals(sf.getMinimumScore("nosuchtype", false), Float.NaN);
 844     assertEquals(sf.getMaximumScore("nosuchtype", true), Float.NaN);
 845     assertEquals(sf.getMaximumScore("nosuchtype", false), Float.NaN);
 846
 847     // positional features min-max:
 848     assertEquals(sf.getMinimumScore("Metal", true), 1f);
 849     assertEquals(sf.getMaximumScore("Metal", true), 4f);
 850     assertEquals(sf.getMinimumScore("Cath", true), Float.NaN);
 851     assertEquals(sf.getMaximumScore("Cath", true), Float.NaN);
 852
 853     // non-positional features min-max:
 854     assertEquals(sf.getMinimumScore("Cath", false), -7f);
 855     assertEquals(sf.getMaximumScore("Cath", false), 11f);
 856     assertEquals(sf.getMinimumScore("Metal", false), Float.NaN);
 857     assertEquals(sf.getMaximumScore("Metal", false), Float.NaN);
 858
 859     // delete features; min-max should get recomputed
 860     sf.delete(sf6);
 861     assertEquals(sf.getMinimumScore("Cath", false), 11f);
 862     assertEquals(sf.getMaximumScore("Cath", false), 11f);
 863     sf.delete(sf4);
 864     assertEquals(sf.getMinimumScore("Metal", true), 1f);
 865     assertEquals(sf.getMaximumScore("Metal", true), 1f);
 866     sf.delete(sf5);
 867     assertEquals(sf.getMinimumScore("Cath", false), Float.NaN);
 868     assertEquals(sf.getMaximumScore("Cath", false), Float.NaN);
 869     sf.delete(sf3);
 870     assertEquals(sf.getMinimumScore("Metal", true), Float.NaN);
 871     assertEquals(sf.getMaximumScore("Metal", true), Float.NaN);
 872     sf.delete(sf1);
 873     sf.delete(sf2);
 874     assertFalse(sf.hasFeatures());
 875     assertEquals(sf.getMinimumScore("Cath", false), Float.NaN);
 876     assertEquals(sf.getMaximumScore("Cath", false), Float.NaN);
 877     assertEquals(sf.getMinimumScore("Metal", true), Float.NaN);
 878     assertEquals(sf.getMaximumScore("Metal", true), Float.NaN);
 879   }
 880
 881   @Test(groups = "Functional")
 882   public void testVarargsToTypes()
 883   {
 884     SequenceFeatures sf = new SequenceFeatures();
 885     sf.add(new SequenceFeature("Metal", "desc", 0, 0, Float.NaN, "group"));
 886     sf.add(new SequenceFeature("Cath", "desc", 10, 20, Float.NaN, "group"));
 887
 888     /*
 889      * no type specified - get all types stored
 890      * they are returned in keyset (alphabetical) order
 891      */
 892     Map<String, FeatureStore> featureStores = (Map<String, FeatureStore>) PA
 893             .getValue(sf, "featureStore");
 894
 895     Iterable<FeatureStore> types = sf.varargToTypes();
 896     Iterator<FeatureStore> iterator = types.iterator();
 897     assertTrue(iterator.hasNext());
 898     assertSame(iterator.next(), featureStores.get("Cath"));
 899     assertTrue(iterator.hasNext());
 900     assertSame(iterator.next(), featureStores.get("Metal"));
 901     assertFalse(iterator.hasNext());
 902
 903     /*
 904      * empty array is the same as no vararg parameter supplied
 905      * so treated as all stored types
 906      */
 907     types = sf.varargToTypes(new String[] {});
 908     iterator = types.iterator();
 909     assertTrue(iterator.hasNext());
 910     assertSame(iterator.next(), featureStores.get("Cath"));
 911     assertTrue(iterator.hasNext());
 912     assertSame(iterator.next(), featureStores.get("Metal"));
 913     assertFalse(iterator.hasNext());
 914
 915     /*
 916      * null type specified; this is passed as vararg
 917      * String[1] {null}
 918      */
 919     types = sf.varargToTypes((String) null);
 920     assertFalse(types.iterator().hasNext());
 921
 922     /*
 923      * null types array specified; this is passed as vararg null
 924      */
 925     types = sf.varargToTypes((String[]) null);
 926     iterator = types.iterator();
 927     assertTrue(iterator.hasNext());
 928     assertSame(iterator.next(), featureStores.get("Cath"));
 929     assertTrue(iterator.hasNext());
 930     assertSame(iterator.next(), featureStores.get("Metal"));
 931     assertFalse(iterator.hasNext());
 932
 933     /*
 934      * one type specified
 935      */
 936     types = sf.varargToTypes("Metal");
 937     iterator = types.iterator();
 938     assertTrue(iterator.hasNext());
 939     assertSame(iterator.next(), featureStores.get("Metal"));
 940     assertFalse(iterator.hasNext());
 941
 942     /*
 943      * two types specified - get sorted alphabetically
 944      */
 945     types = sf.varargToTypes("Metal", "Cath");
 946     iterator = types.iterator();
 947     assertTrue(iterator.hasNext());
 948     assertSame(iterator.next(), featureStores.get("Cath"));
 949     assertTrue(iterator.hasNext());
 950     assertSame(iterator.next(), featureStores.get("Metal"));
 951     assertFalse(iterator.hasNext());
 952
 953     /*
 954      * null type included - should be ignored
 955      */
 956     types = sf.varargToTypes("Metal", null, "Helix");
 957     iterator = types.iterator();
 958     assertTrue(iterator.hasNext());
 959     assertSame(iterator.next(), featureStores.get("Metal"));
 960     assertFalse(iterator.hasNext());
 961   }
 962
 963   @Test(groups = "Functional")
 964   public void testGetFeatureTypes_byOntology()
 965   {
 966     SequenceFeaturesI store = new SequenceFeatures();
 967
 968     SequenceFeature sf1 = new SequenceFeature("transcript", "desc", 10, 20,
 969             Float.NaN, null);
 970     store.add(sf1);
 971     // mRNA isA mature_transcript isA transcript
 972     SequenceFeature sf2 = new SequenceFeature("mRNA", "desc", 10, 20,
 973             Float.NaN, null);
 974     store.add(sf2);
 975     // just to prove non-positional feature types are included
 976     SequenceFeature sf3 = new SequenceFeature("mRNA", "desc", 0, 0,
 977             Float.NaN, null);
 978     store.add(sf3);
 979     SequenceFeature sf4 = new SequenceFeature("CDS", "desc", 0, 0,
 980             Float.NaN, null);
 981     store.add(sf4);
 982
 983     Set<String> types = store.getFeatureTypes("transcript");
 984     assertEquals(types.size(), 2);
 985     assertTrue(types.contains("transcript"));
 986     assertTrue(types.contains("mRNA"));
 987
 988     // matches include arguments whether SO terms or not
 989     types = store.getFeatureTypes("transcript", "CDS");
 990     assertEquals(types.size(), 3);
 991     assertTrue(types.contains("transcript"));
 992     assertTrue(types.contains("mRNA"));
 993     assertTrue(types.contains("CDS"));
 994
 995     types = store.getFeatureTypes("exon");
 996     assertTrue(types.isEmpty());
 997   }
 998
 999   @Test(groups = "Functional")
1000   public void testGetFeaturesByOntology()
1001   {
1002     SequenceFeaturesI store = new SequenceFeatures();
1003     List<SequenceFeature> features = store.getFeaturesByOntology();
1004     assertTrue(features.isEmpty());
1005     assertTrue(store.getFeaturesByOntology(new String[] {}).isEmpty());
1006     assertTrue(store.getFeaturesByOntology((String[]) null).isEmpty());
1007
1008     SequenceFeature sf1 = new SequenceFeature("transcript", "desc", 10, 20,
1009             Float.NaN, null);
1010     store.add(sf1);
1011
1012     // mRNA isA transcript; added here 'as if' non-positional
1013     // just to show that non-positional features are included in results
1014     SequenceFeature sf2 = new SequenceFeature("mRNA", "desc", 0, 0,
1015             Float.NaN, null);
1016     store.add(sf2);
1017
1018     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 30, 40,
1019             Float.NaN, null);
1020     store.add(sf3);
1021
1022     features = store.getFeaturesByOntology("transcript");
1023     assertEquals(features.size(), 2);
1024     assertTrue(features.contains(sf1));
1025     assertTrue(features.contains(sf2));
1026
1027     features = store.getFeaturesByOntology("mRNA");
1028     assertEquals(features.size(), 1);
1029     assertTrue(features.contains(sf2));
1030
1031     features = store.getFeaturesByOntology("mRNA", "Pfam");
1032     assertEquals(features.size(), 2);
1033     assertTrue(features.contains(sf2));
1034     assertTrue(features.contains(sf3));
1035
1036     features = store.getFeaturesByOntology("sequence_variant");
1037     assertTrue(features.isEmpty());
1038   }
1039
1040   @Test(groups = "Functional")
1041   public void testSortFeatures()
1042   {
1043     List<SequenceFeature> sfs = new ArrayList<SequenceFeature>();
1044     SequenceFeature sf1 = new SequenceFeature("Pfam", "desc", 30, 80,
1045             Float.NaN, null);
1046     sfs.add(sf1);
1047     SequenceFeature sf2 = new SequenceFeature("Rfam", "desc", 40, 50,
1048             Float.NaN, null);
1049     sfs.add(sf2);
1050     SequenceFeature sf3 = new SequenceFeature("Rfam", "desc", 50, 60,
1051             Float.NaN, null);
1052     sfs.add(sf3);
1053
1054     // sort by end position descending
1055     SequenceFeatures.sortFeatures(sfs, false);
1056     assertSame(sfs.get(0), sf1);
1057     assertSame(sfs.get(1), sf3);
1058     assertSame(sfs.get(2), sf2);
1059
1060     // sort by start position ascending
1061     SequenceFeatures.sortFeatures(sfs, true);
1062     assertSame(sfs.get(0), sf1);
1063     assertSame(sfs.get(1), sf2);
1064     assertSame(sfs.get(2), sf3);
1065   }
1066
1067   @Test(groups = "Functional")
1068   public void testGetFeaturesForGroup()
1069   {
1070     SequenceFeaturesI store = new SequenceFeatures();
1071
1072     List<SequenceFeature> features = store.getFeaturesForGroup(true, null);
1073     assertTrue(features.isEmpty());
1074     assertTrue(store.getFeaturesForGroup(false, null).isEmpty());
1075     assertTrue(store.getFeaturesForGroup(true, "Uniprot").isEmpty());
1076     assertTrue(store.getFeaturesForGroup(false, "Uniprot").isEmpty());
1077
1078     SequenceFeature sf1 = new SequenceFeature("Pfam", "desc", 4, 10, 0f,
1079             null);
1080     SequenceFeature sf2 = new SequenceFeature("Pfam", "desc", 0, 0, 0f,
1081             null);
1082     SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 4, 10, 0f,
1083             "Uniprot");
1084     SequenceFeature sf4 = new SequenceFeature("Metal", "desc", 0, 0, 0f,
1085             "Rfam");
1086     SequenceFeature sf5 = new SequenceFeature("Cath", "desc", 5, 15, 0f,
1087             null);
1088     store.add(sf1);
1089     store.add(sf2);
1090     store.add(sf3);
1091     store.add(sf4);
1092     store.add(sf5);
1093
1094     // positional features for null group, any type
1095     features = store.getFeaturesForGroup(true, null);
1096     assertEquals(features.size(), 2);
1097     assertTrue(features.contains(sf1));
1098     assertTrue(features.contains(sf5));
1099
1100     // positional features for null group, specified type
1101     features = store.getFeaturesForGroup(true, null, new String[] { "Pfam",
1102         "Xfam" });
1103     assertEquals(features.size(), 1);
1104     assertTrue(features.contains(sf1));
1105     features = store.getFeaturesForGroup(true, null, new String[] { "Pfam",
1106         "Xfam", "Cath" });
1107     assertEquals(features.size(), 2);
1108     assertTrue(features.contains(sf1));
1109     assertTrue(features.contains(sf5));
1110
1111     // positional features for non-null group, any type
1112     features = store.getFeaturesForGroup(true, "Uniprot");
1113     assertEquals(features.size(), 1);
1114     assertTrue(features.contains(sf3));
1115     assertTrue(store.getFeaturesForGroup(true, "Rfam").isEmpty());
1116
1117     // positional features for non-null group, specified type
1118     features = store.getFeaturesForGroup(true, "Uniprot", "Pfam", "Xfam",
1119             "Rfam");
1120     assertEquals(features.size(), 1);
1121     assertTrue(features.contains(sf3));
1122     assertTrue(store.getFeaturesForGroup(true, "Uniprot", "Cath").isEmpty());
1123
1124     // non-positional features for null group, any type
1125     features = store.getFeaturesForGroup(false, null);
1126     assertEquals(features.size(), 1);
1127     assertTrue(features.contains(sf2));
1128
1129     // non-positional features for null group, specified type
1130     features = store.getFeaturesForGroup(false, null, "Pfam", "Xfam");
1131     assertEquals(features.size(), 1);
1132     assertTrue(features.contains(sf2));
1133     assertTrue(store.getFeaturesForGroup(false, null, "Cath").isEmpty());
1134
1135     // non-positional features for non-null group, any type
1136     features = store.getFeaturesForGroup(false, "Rfam");
1137     assertEquals(features.size(), 1);
1138     assertTrue(features.contains(sf4));
1139     assertTrue(store.getFeaturesForGroup(false, "Uniprot").isEmpty());
1140
1141     // non-positional features for non-null group, specified type
1142     features = store.getFeaturesForGroup(false, "Rfam", "Pfam", "Metal");
1143     assertEquals(features.size(), 1);
1144     assertTrue(features.contains(sf4));
1145     assertTrue(store.getFeaturesForGroup(false, "Rfam", "Cath", "Pfam")
1146             .isEmpty());
1147   }
1148
1149   @Test(groups = "Functional")
1150   public void testShiftFeatures()
1151   {
1152     SequenceFeatures store = new SequenceFeatures();
1153     assertFalse(store.shiftFeatures(1));
1154
1155     SequenceFeature sf1 = new SequenceFeature("Cath", "", 2, 5, 0f, null);
1156     store.add(sf1);
1157     // nested feature:
1158     SequenceFeature sf2 = new SequenceFeature("Metal", "", 8, 14, 0f, null);
1159     store.add(sf2);
1160     // contact feature:
1161     SequenceFeature sf3 = new SequenceFeature("Disulfide bond", "", 23, 32,
1162             0f, null);
1163     store.add(sf3);
1164     // non-positional feature:
1165     SequenceFeature sf4 = new SequenceFeature("Pfam", "", 0, 0, 0f, null);
1166     store.add(sf4);
1167
1168     /*
1169      * shift features right by 5
1170      */
1171     assertTrue(store.shiftFeatures(5));
1172
1173     // non-positional features untouched:
1174     List<SequenceFeature> nonPos = store.getNonPositionalFeatures();
1175     assertEquals(nonPos.size(), 1);
1176     assertTrue(nonPos.contains(sf4));
1177
1178     // positional features are replaced
1179     List<SequenceFeature> pos = store.getPositionalFeatures();
1180     assertEquals(pos.size(), 3);
1181     assertFalse(pos.contains(sf1));
1182     assertFalse(pos.contains(sf2));
1183     assertFalse(pos.contains(sf3));
1184     SequenceFeatures.sortFeatures(pos, true); // ascending start pos
1185     assertEquals(pos.get(0).getBegin(), 7);
1186     assertEquals(pos.get(0).getEnd(), 10);
1187     assertEquals(pos.get(0).getType(), "Cath");
1188     assertEquals(pos.get(1).getBegin(), 13);
1189     assertEquals(pos.get(1).getEnd(), 19);
1190     assertEquals(pos.get(1).getType(), "Metal");
1191     assertEquals(pos.get(2).getBegin(), 28);
1192     assertEquals(pos.get(2).getEnd(), 37);
1193     assertEquals(pos.get(2).getType(), "Disulfide bond");
1194
1195     /*
1196      * now shift left by 15
1197      * feature at [7-10] should be removed
1198      * feature at [13-19] should become [1-4]
1199      */
1200     assertTrue(store.shiftFeatures(-15));
1201     pos = store.getPositionalFeatures();
1202     assertEquals(pos.size(), 2);
1203     SequenceFeatures.sortFeatures(pos, true);
1204     assertEquals(pos.get(0).getBegin(), 1);
1205     assertEquals(pos.get(0).getEnd(), 4);
1206     assertEquals(pos.get(0).getType(), "Metal");
1207     assertEquals(pos.get(1).getBegin(), 13);
1208     assertEquals(pos.get(1).getEnd(), 22);
1209     assertEquals(pos.get(1).getType(), "Disulfide bond");
1210   }
1211
1212   @Test(groups = "Functional")
1213   public void testIsOntologyTerm()
1214   {
1215     SequenceFeatures store = new SequenceFeatures();
1216     assertTrue(store.isOntologyTerm("gobbledygook"));
1217     assertTrue(store.isOntologyTerm("transcript", "transcript"));
1218     assertTrue(store.isOntologyTerm("mRNA", "transcript"));
1219     assertFalse(store.isOntologyTerm("transcript", "mRNA"));
1220     assertTrue(store.isOntologyTerm("junk", "transcript", "junk"));
1221     assertTrue(store.isOntologyTerm("junk", new String[] {}));
1222     assertTrue(store.isOntologyTerm("junk", (String[]) null));
1223   }
1224 }