+
+ /**
+ * Test mapping a column selection including hidden columns
+ *
+ * @throws IOException
+ */
+ @Test(groups = { "Functional" })
+ public void testMapColumnSelection_hiddenColumns() throws IOException
+ {
+ setupMappedAlignments();
+
+ ColumnSelection proteinSelection = new ColumnSelection();
+
+ /*
+ * Column 0 in protein picks up Seq2/L, Seq3/G which map to cols 0-4 and 0-3
+ * in dna respectively, overall 0-4
+ */
+ proteinSelection.hideColumns(0);
+ ColumnSelection dnaSelection = MappingUtils.mapColumnSelection(proteinSelection,
+ proteinView, dnaView);
+ assertEquals("[]", dnaSelection.getSelected().toString());
+ List<int[]> hidden = dnaSelection.getHiddenColumns();
+ assertEquals(1, hidden.size());
+ assertEquals("[0, 4]", Arrays.toString(hidden.get(0)));
+
+ /*
+ * Column 1 in protein picks up Seq1/K which maps to cols 0-3 in dna
+ */
+ proteinSelection.revealAllHiddenColumns();
+ // the unhidden columns are now marked selected!
+ assertEquals("[0]", proteinSelection.getSelected().toString());
+ // deselect these or hideColumns will be expanded to include 0
+ proteinSelection.clear();
+ proteinSelection.hideColumns(1);
+ dnaSelection = MappingUtils.mapColumnSelection(proteinSelection, proteinView, dnaView);
+ hidden = dnaSelection.getHiddenColumns();
+ assertEquals(1, hidden.size());
+ assertEquals("[0, 3]", Arrays.toString(hidden.get(0)));
+
+ /*
+ * Column 2 in protein picks up gaps only - no mapping
+ */
+ proteinSelection.revealAllHiddenColumns();
+ proteinSelection.clear();
+ proteinSelection.hideColumns(2);
+ dnaSelection = MappingUtils.mapColumnSelection(proteinSelection, proteinView, dnaView);
+ assertTrue(dnaSelection.getHiddenColumns().isEmpty());
+
+ /*
+ * Column 3 in protein picks up Seq1/P, Seq2/Q, Seq3/S which map to columns
+ * 6-9, 6-10, 5-8 respectively, overall to 5-10
+ */
+ proteinSelection.revealAllHiddenColumns();
+ proteinSelection.clear();
+ proteinSelection.hideColumns(3); // 5-10 hidden in dna
+ proteinSelection.addElement(1); // 0-3 selected in dna
+ dnaSelection = MappingUtils.mapColumnSelection(proteinSelection, proteinView, dnaView);
+ assertEquals("[0, 1, 2, 3]", dnaSelection.getSelected().toString());
+ hidden = dnaSelection.getHiddenColumns();
+ assertEquals(1, hidden.size());
+ assertEquals("[5, 10]", Arrays.toString(hidden.get(0)));
+
+ /*
+ * Combine hiding columns 1 and 3 to get discontiguous hidden columns
+ */
+ proteinSelection.revealAllHiddenColumns();
+ proteinSelection.clear();
+ proteinSelection.hideColumns(1);
+ proteinSelection.hideColumns(3);
+ dnaSelection = MappingUtils.mapColumnSelection(proteinSelection, proteinView, dnaView);
+ hidden = dnaSelection.getHiddenColumns();
+ assertEquals(2, hidden.size());
+ assertEquals("[0, 3]", Arrays.toString(hidden.get(0)));
+ assertEquals("[5, 10]", Arrays.toString(hidden.get(1)));
+ }