@Test
public void testSchemaAdaptation() {
// set up original dataset schema
String groupingKey = "grouping_aggregate";
Dataset schema = new Dataset();
Column colNoFormatting = new Column();
colNoFormatting.setFieldName("col_without_formatting");
Column colIgnorableFormatting = new Column();
colIgnorableFormatting.setFieldName("col_with_ignorable_formatting");
Map<String, String> ignorableFormatting = new HashMap<String,String>();
ignorableFormatting.put("drill_down", "true");
colIgnorableFormatting.setFormat(ignorableFormatting);
Column colAggregatedFormatting = new Column();
colAggregatedFormatting.setFieldName("col_with_aggregated_formatting");
Map<String, String> aggregateFormatting = new HashMap<String,String>();
aggregateFormatting.put(groupingKey, "count");
colAggregatedFormatting.setFormat(aggregateFormatting);
List<Column> columns = new ArrayList<Column>();
columns.add(colNoFormatting);
columns.add(colIgnorableFormatting);
columns.add(colAggregatedFormatting);
schema.setColumns(columns);
// edit schema
PortUtility.adaptSchemaForAggregates(schema);
// test that edits are as expected
List<Column> editedColumns = schema.getColumns();
Column col1 = editedColumns.get(0);
Column col2 = editedColumns.get(1);
Column col3 = editedColumns.get(2);
TestCase.assertNotNull(col1);