@Test
 public void testGetKeyFromTs() throws Exception {
   try (DataCursor cursor =
       nbb.AsConnection().getData(new FlowRef("NBB", "TEST_DATASET", null), Key.ALL, true)) {
     cursor.nextSeries();
     assertEquals(Key.parse("LOCSTL04.AUS.M"), cursor.getKey());
   }
 }
  @Test
  public void testGetKey() throws Exception {
    DataStructure dfs =
        nbb.AsConnection().getDataStructure(new FlowRef("NBB", "TEST_DATASET", null));
    Map<String, Dimension> dimensionById = DotStatAccessor.dimensionById(dfs);

    // default ordering of dimensions
    DbSetId r1 = DbSetId.root("SUBJECT", "LOCATION", "FREQUENCY");
    assertEquals(
        Key.parse("LOCSTL04.AUS.M"), getKey(dimensionById, r1.child("LOCSTL04", "AUS", "M")));
    assertEquals(Key.parse("LOCSTL04.AUS."), getKey(dimensionById, r1.child("LOCSTL04", "AUS")));
    assertEquals(Key.parse("LOCSTL04.."), getKey(dimensionById, r1.child("LOCSTL04")));
    assertEquals(Key.ALL, getKey(dimensionById, r1));

    // custom ordering of dimensions
    DbSetId r2 = DbSetId.root("FREQUENCY", "LOCATION", "SUBJECT");
    assertEquals(
        Key.parse("LOCSTL04.AUS.M"), getKey(dimensionById, r2.child("M", "AUS", "LOCSTL04")));
    assertEquals(Key.parse(".AUS.M"), getKey(dimensionById, r2.child("M", "AUS")));
    assertEquals(Key.parse("..M"), getKey(dimensionById, r2.child("M")));
    assertEquals(Key.ALL, getKey(dimensionById, r2));
  }