def test_power_factor():
c = copy.deepcopy(cables["passes"])
results = []
for i in itertools.product(
range(100, 1001, 150), # conductor size
np.arange(0.01, 0.91, 0.1), # ac_resistance
np.arange(0, 1, 0.15), # inductance
range(100, 1001, 150), # capacitance
):
c["conductor_size"] = i[0]
c["ac_resistance"] = i[1]
c["inductance"] = i[2]
c["capacitance"] = i[3]
cable = Cable(c)
results.append(cable.power_factor)
if any((a < 0) | (a > 1) for a in results):
raise Exception("Invalid Power Factor.")
def test_cable_required_inputs():
with pytest.raises(ValueError):
Cable(cables["empty"])
def test_cable_creation():
cable = Cable(cables["passes"])
assert cable
for r in cable.required:
assert getattr(cable, r, None) == cables["passes"][r]