def test_material_lockability():
"""Test the lockability of the EnergyMaterial."""
concrete = EnergyMaterial('Concrete [HW]', 0.2, 0.5, 800, 1200)
concrete.density = 600
concrete.lock()
with pytest.raises(AttributeError):
concrete.density = 700
concrete.unlock()
concrete.density = 700
def test_material_invalid():
"""Test the initialization of EnergyMaterial objects with invalid properties."""
concrete = EnergyMaterial('Concrete', 0.2, 0.5, 800, 1200)
with pytest.raises(TypeError):
concrete.identifier = ['test_identifier']
with pytest.raises(AssertionError):
concrete.thickness = -1
with pytest.raises(AssertionError):
concrete.conductivity = -1
with pytest.raises(AssertionError):
concrete.density = -1
with pytest.raises(AssertionError):
concrete.specific_heat = -1
with pytest.raises(AssertionError):
concrete.roughness = 'Medium'
with pytest.raises(AssertionError):
concrete.thermal_absorptance = 2
with pytest.raises(AssertionError):
concrete.solar_absorptance = 2
with pytest.raises(AssertionError):
concrete.visible_absorptance = 2
with pytest.raises(AssertionError):
concrete.resistivity = -1
with pytest.raises(AssertionError):
concrete.u_value = -1
with pytest.raises(AssertionError):
concrete.r_value = -1
