def test__can_insert_row(): """ I can insert a new row into a bitemp ts and it comes back when selecting the latest data """ df = get_bitemporal_test_data() df = insert_at(df, dt('2014-01-03'), [[9, 90]]) assert len(df) == 9 df = groupby_asof(df) assert len(df) == 4 assert df.loc[dt('2014-01-03')]['OPEN'] == 9 assert df.loc[dt('2014-01-03')]['CLOSE'] == 90