def test_ideal_air_lockability():
"""Test the lockability of IdealAirSystem objects."""
ideal_air = IdealAirSystem()
ideal_air.sensible_heat_recovery = 0.6
ideal_air.lock()
with pytest.raises(AttributeError):
ideal_air.sensible_heat_recovery = 0.75
ideal_air.unlock()
ideal_air.sensible_heat_recovery = 0.75
def test_ideal_air_system_setability():
"""Test the setting of properties of IdealAirSystem."""
ideal_air = IdealAirSystem()
ideal_air.heating_limit = 1000
assert ideal_air.heating_limit == 1000
ideal_air.cooling_limit = 2000
assert ideal_air.cooling_limit == 2000
ideal_air.economizer_type = 'DifferentialEnthalpy'
assert ideal_air.economizer_type == 'DifferentialEnthalpy'
ideal_air.sensible_heat_recovery = 0.75
assert ideal_air.sensible_heat_recovery == 0.75
ideal_air.latent_heat_recovery = 0.65
assert ideal_air.latent_heat_recovery == 0.65