--- /dev/null
+package jalview.ext.ensembl;
+
+import static org.testng.AssertJUnit.assertEquals;
+import static org.testng.AssertJUnit.assertFalse;
+import static org.testng.AssertJUnit.assertTrue;
+
+import jalview.datamodel.SequenceDummy;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.io.gff.SequenceOntologyFactory;
+import jalview.io.gff.SequenceOntologyLite;
+import jalview.util.MapList;
+
+import java.util.List;
+
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+public class EnsemblGenomeTest
+{
+ @BeforeClass
+ public void setUp()
+ {
+ SequenceOntologyFactory.setInstance(new SequenceOntologyLite());
+ }
+
+ @AfterClass
+ public void tearDown()
+ {
+ SequenceOntologyFactory.setInstance(null);
+ }
+
+ /**
+ * Test that the genomic sequence part of genomic sequence is correctly
+ * identified by 'transcript' features (or subtypes) with the correct gene ID
+ */
+ @Test(groups = "Functional")
+ public void testGetGenomicRangesFromFeatures()
+ {
+ EnsemblGenome testee = new EnsemblGenome();
+ SequenceI genomic = new SequenceDummy("chr7");
+ genomic.setStart(10000);
+ genomic.setEnd(50000);
+ String transcriptId = "ABC123";
+
+ // transcript at (start+10000) length 501
+ SequenceFeature sf = new SequenceFeature("transcript", "", 20000,
+ 20500, 0f,
+ null);
+ sf.setValue("ID", "transcript:" + transcriptId);
+ sf.setStrand("+");
+ genomic.addSequenceFeature(sf);
+
+ // transcript (sub-type) at (start + 10500) length 101
+ sf = new SequenceFeature("ncRNA", "", 10500, 10600, 0f, null);
+ sf.setValue("ID", "transcript:" + transcriptId);
+ sf.setStrand("+");
+ genomic.addSequenceFeature(sf);
+
+ // Ensembl treats NMD_transcript_variant as if transcript
+ // although strictly it is a sequence_variant in SO
+ sf = new SequenceFeature("NMD_transcript_variant", "", 11000, 12000,
+ 0f, null);
+ sf.setValue("ID", "transcript:" + transcriptId);
+ sf.setStrand("+");
+ genomic.addSequenceFeature(sf);
+
+ // transcript with a different ID doesn't count
+ sf = new SequenceFeature("transcript", "", 11500, 12600, 0f, null);
+ sf.setValue("ID", "transcript:anotherOne");
+ genomic.addSequenceFeature(sf);
+
+ // parent of transcript feature doesn't count
+ sf = new SequenceFeature("gene_member_region", "", 10000, 50000, 0f,
+ null);
+ genomic.addSequenceFeature(sf);
+
+ MapList ranges = testee.getGenomicRangesFromFeatures(genomic,
+ transcriptId, 23);
+ List<int[]> fromRanges = ranges.getFromRanges();
+ assertEquals(3, fromRanges.size());
+ // from ranges should be sorted by start order
+ assertEquals(10500, fromRanges.get(0)[0]);
+ assertEquals(10600, fromRanges.get(0)[1]);
+ assertEquals(11000, fromRanges.get(1)[0]);
+ assertEquals(12000, fromRanges.get(1)[1]);
+ assertEquals(20000, fromRanges.get(2)[0]);
+ assertEquals(20500, fromRanges.get(2)[1]);
+ // to range should start from given start numbering
+ List<int[]> toRanges = ranges.getToRanges();
+ assertEquals(1, toRanges.size());
+ assertEquals(23, toRanges.get(0)[0]);
+ assertEquals(1625, toRanges.get(0)[1]);
+ }
+
+ /**
+ * Test the method that retains features except for 'transcript' (or
+ * sub-type), or those with parent other than the given id
+ */
+ @Test(groups = "Functional")
+ public void testRetainFeature()
+ {
+ String accId = "ABC123";
+ EnsemblGenome testee = new EnsemblGenome();
+
+ SequenceFeature sf = new SequenceFeature("transcript", "", 20000,
+ 20500, 0f, null);
+ assertFalse(testee.retainFeature(sf, accId));
+
+ sf.setType("mature_transcript");
+ assertFalse(testee.retainFeature(sf, accId));
+
+ sf.setType("NMD_transcript_variant");
+ assertFalse(testee.retainFeature(sf, accId));
+
+ // other feature with no parent is kept
+ sf.setType("anything");
+ assertTrue(testee.retainFeature(sf, accId));
+
+ // other feature with correct parent is kept
+ sf.setValue("Parent", "transcript:" + accId);
+ assertTrue(testee.retainFeature(sf, accId));
+
+ // other feature with wrong parent is not kept
+ sf.setValue("Parent", "transcript:XYZ");
+ assertFalse(testee.retainFeature(sf, accId));
+ }
+
+ /**
+ * Test the method that picks out 'transcript' (or subtype) features with the
+ * accession id as ID
+ */
+ @Test(groups = "Functional")
+ public void testIdentifiesSequence()
+ {
+ String accId = "ABC123";
+ EnsemblGenome testee = new EnsemblGenome();
+
+ // transcript with no ID not valid
+ SequenceFeature sf = new SequenceFeature("transcript", "", 1, 2, 0f,
+ null);
+ assertFalse(testee.identifiesSequence(sf, accId));
+
+ // transcript with wrong ID not valid
+ sf.setValue("ID", "transcript");
+ assertFalse(testee.identifiesSequence(sf, accId));
+
+ // transcript with right ID is valid
+ sf.setValue("ID", "transcript:" + accId);
+ assertTrue(testee.identifiesSequence(sf, accId));
+
+ // transcript sub-type with right ID is valid
+ sf.setType("ncRNA");
+ assertTrue(testee.identifiesSequence(sf, accId));
+
+ // Ensembl treats NMD_transcript_variant as if a transcript
+ sf.setType("NMD_transcript_variant");
+ assertTrue(testee.identifiesSequence(sf, accId));
+
+ // gene not valid:
+ sf.setType("gene");
+ assertFalse(testee.identifiesSequence(sf, accId));
+
+ // exon not valid:
+ sf.setType("exon");
+ assertFalse(testee.identifiesSequence(sf, accId));
+ }
+
+}