--- /dev/null
+package jalview.io;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.assertNull;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.List;
+import java.util.Set;
+
+import org.testng.annotations.Test;
+
+import jalview.datamodel.DBRefEntry;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.features.SequenceFeatures;
+
+public class EmblFlatFileTest
+{
+ /**
+ * A fairly tough test, using J03321 (circular DNA), which has 8 CDS features,
+ * one of them reverse strand
+ *
+ * @throws MalformedURLException
+ * @throws IOException
+ */
+ @Test(groups = "Functional")
+ public void testParse() throws MalformedURLException, IOException
+ {
+ File dataFile = new File("test/jalview/io/J03321.embl.txt");
+ FileParse fp = new FileParse(dataFile, DataSourceType.FILE);
+ EmblFlatFile parser = new EmblFlatFile(fp, "EmblTest");
+ parser.parse();
+ List<SequenceI> seqs = parser.getSeqs();
+
+ assertEquals(seqs.size(), 1);
+ SequenceI seq = seqs.get(0);
+ assertEquals(seq.getName(), "EmblTest|J03321");
+ assertEquals(seq.getLength(), 7502);
+
+ /*
+ * should be 9 CDS features (one is a 'join' of two exons)
+ */
+ Set<String> featureTypes = seq.getFeatures().getFeatureTypes();
+ assertEquals(featureTypes.size(), 1);
+ assertTrue(featureTypes.contains("CDS"));
+
+ /*
+ * inspect some features (sort them for convenience of test assertions)
+ */
+ List<SequenceFeature> features = seq.getFeatures()
+ .getAllFeatures("CDS");
+ SequenceFeatures.sortFeatures(features, true);
+ assertEquals(features.size(), 9);
+
+ SequenceFeature sf = features.get(0);
+ assertEquals(sf.getBegin(), 1);
+ assertEquals(sf.getEnd(), 437);
+ assertEquals(sf.getDescription(),
+ "Exon 2 for protein EMBLCDS:AAA91567.1");
+ assertEquals(sf.getFeatureGroup(), "EmblTest");
+ assertEquals(sf.getEnaLocation(), "join(7022..7502,1..437)");
+ assertEquals(sf.getPhase(), "0");
+ assertEquals(sf.getStrand(), 1);
+ assertEquals(sf.getValue("note"), "pGP7-D");
+ // second exon of circular DNA!
+ assertEquals(sf.getValue("exon number"), 2);
+ assertEquals(sf.getValue("product"), "hypothetical protein");
+ assertEquals(sf.getValue("transl_table"), "11");
+
+ sf = features.get(1);
+ assertEquals(sf.getBegin(), 488);
+ assertEquals(sf.getEnd(), 1480);
+ assertEquals(sf.getDescription(),
+ "Exon 1 for protein EMBLCDS:AAA91568.1");
+ assertEquals(sf.getFeatureGroup(), "EmblTest");
+ assertEquals(sf.getEnaLocation(), "complement(488..1480)");
+ assertEquals(sf.getPhase(), "0");
+ assertEquals(sf.getStrand(), -1); // reverse strand!
+ assertEquals(sf.getValue("note"), "pGP8-D");
+ assertEquals(sf.getValue("exon number"), 1);
+ assertEquals(sf.getValue("product"), "hypothetical protein");
+
+ sf = features.get(7);
+ assertEquals(sf.getBegin(), 6045);
+ assertEquals(sf.getEnd(), 6788);
+ assertEquals(sf.getDescription(),
+ "Exon 1 for protein EMBLCDS:AAA91574.1");
+ assertEquals(sf.getFeatureGroup(), "EmblTest");
+ assertEquals(sf.getEnaLocation(), "6045..6788");
+ assertEquals(sf.getPhase(), "0");
+ assertEquals(sf.getStrand(), 1);
+ assertEquals(sf.getValue("note"), "pGP6-D (gtg start codon)");
+ assertEquals(sf.getValue("exon number"), 1);
+ assertEquals(sf.getValue("product"), "hypothetical protein");
+
+ /*
+ * CDS at 7022-7502 is the first exon of the circular DNA CDS
+ */
+ sf = features.get(8);
+ assertEquals(sf.getBegin(), 7022);
+ assertEquals(sf.getEnd(), 7502);
+ assertEquals(sf.getDescription(),
+ "Exon 1 for protein EMBLCDS:AAA91567.1");
+ assertEquals(sf.getFeatureGroup(), "EmblTest");
+ assertEquals(sf.getEnaLocation(), "join(7022..7502,1..437)");
+ assertEquals(sf.getPhase(), "0");
+ assertEquals(sf.getStrand(), 1);
+ assertEquals(sf.getValue("note"), "pGP7-D");
+ assertEquals(sf.getValue("exon number"), 1);
+ assertEquals(sf.getValue("product"), "hypothetical protein");
+
+ /*
+ * there are 4 'direct' (DR) dbrefs, and numerous CDS /db_xref entries,
+ * some of them (e.g. INTERPRO) duplicates; sample a few here
+ * Note DBRefEntry constructor capitalises source
+ */
+ List<DBRefEntry> dbrefs = seq.getDBRefs();
+ assertEquals(dbrefs.size(), 31);
+ // 1st DR line; note trailing period is removed
+ assertTrue(dbrefs.contains(new DBRefEntry("MD5", "0",
+ "d4c4942a634e3df4995fd5ac75c26a61")));
+ // the 4th DR line:
+ assertTrue(
+ dbrefs.contains(new DBRefEntry("EuropePMC", "0", "PMC87941")));
+ // from the first CDS feature; note canonicalisation to "UNIPROT"
+ assertTrue(dbrefs.contains(new DBRefEntry("GOA", "0", "P0CE19")));
+ assertTrue(dbrefs.contains(new DBRefEntry("UNIPROT", "0", "P0CE19")));
+ // from the last CDS feature
+ assertTrue(dbrefs.contains(new DBRefEntry("INTERPRO", "0", "IPR005350")));
+
+ // todo: mappings to, and sequences for, UNIPROT proteins
+ }
+}