def test_period_of_interest(self): # mock a pressure field field = mock_nimrod_field() cube = iris.cube.Cube(np.arange(100).reshape(10, 10)) field.field_code = 0 field.vt_year = 2013 field.vt_month = 5 field.vt_day = 7 field.vt_hour = 6 field.vt_minute = 0 field.vt_second = 0 field.dt_year = 2013 field.dt_month = 5 field.dt_day = 7 field.dt_hour = 6 field.dt_minute = 0 field.dt_second = 0 field.period_minutes = 60 nimrod_load_rules.time(cube, field) self.assertCML(cube, ("nimrod", "period_of_interest.cml"))