--- /dev/null
+package jalview.io.gff;
+
+import static org.testng.AssertJUnit.assertNull;
+import static org.testng.AssertJUnit.assertSame;
+import static org.testng.AssertJUnit.assertTrue;
+
+import org.testng.annotations.Test;
+
+public class GffHelperFactoryTest
+{
+
+ @Test(groups = "Functional")
+ public void testGetHelper()
+ {
+ assertNull(GffHelperFactory.getHelper(null));
+
+ String tabRegex = "\\t";
+
+ /*
+ * column 3 = 'similarity' indicates exonerate GFF alignment data
+ */
+ String gff = "submitted\taffine:local\tsimilarity\t20\t30\t99\t+\t.\t";
+ // no attributes (column 9 data):
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof Gff2Helper);
+
+ // attributes set but unhandled featureGroup - get generic handler
+ gff = "submitted\taffine:local\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertSame(GffHelperFactory.getHelper(gff.split(tabRegex)).getClass(),
+ Gff3Helper.class);
+
+ // handled featureGroup (exonerate model) values
+ gff = "submitted\texonerate:protein2dna:local\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ gff = "submitted\tprotein2genome\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ gff = "submitted\tcoding2coding\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ gff = "submitted\tcoding2genome\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ gff = "submitted\tcdna2genome\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ gff = "submitted\tgenome2genome\tsimilarity\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ // not case-sensitive:
+ gff = "submitted\tgenome2genome\tSIMILARITY\t20\t30\t99\t+\t.\tID=$1";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof ExonerateHelper);
+
+ /*
+ * InterProScan has 'protein_match' in column 3
+ */
+ gff = "Submitted\tPANTHER\tprotein_match\t1\t1174\t0.0\t+\t.\tName=PTHR32154";
+ assertTrue(GffHelperFactory.getHelper(gff.split(tabRegex)) instanceof InterProScanHelper);
+
+ /*
+ * nothing specific - return the generic GFF3 class if Name=Value is present in col9
+ */
+ gff = "nothing\tinteresting\there\t20\t30\t99\t+\t.\tID=1";
+ GffHelperI helper = GffHelperFactory.getHelper(gff.split(tabRegex));
+ assertSame(helper.getClass(), Gff3Helper.class);
+
+ // return the generic GFF2 class if "Name Value" is present in col9
+ gff = "nothing\tinteresting\there\t20\t30\t99\t+\t.\tID 1";
+ helper = GffHelperFactory.getHelper(gff.split(tabRegex));
+ assertSame(helper.getClass(), Gff2Helper.class);
+ }
+}