def test_sizing_parameter_setability():
"""Test the setting of properties of SizingParameter."""
sizing = SizingParameter()
sizing.heating_factor = 1
assert sizing.heating_factor == 1
sizing.cooling_factor = 1
assert sizing.cooling_factor == 1
def test_sizing_parameter_setability():
"""Test the setting of properties of SizingParameter."""
sizing = SizingParameter()
relative_path = './tests/ddy/chicago_monthly.ddy'
sizing.add_from_ddy(relative_path)
assert len(sizing.design_days) == 12
assert len(sizing) == 12
assert isinstance(sizing[0], DesignDay)
sizing.heating_factor = 1
assert sizing.heating_factor == 1
sizing.cooling_factor = 1
assert sizing.cooling_factor == 1