def __init__(self):
self.power = Power()
self.L1 = Phase()
self.L2 = Phase()
self.L3 = Phase()
self.tariff_1 = Tariff()
self.tariff_2 = Tariff()
self.frequency = float('nan')
def read_energy(self):
values = self._from_double(self.read_input_register(801, 40))
self.tariff_1 = Tariff(
Energy(values[8], values[0], values[4]),
Energy(values[8], values[2], values[6])
)
self.tariff_2 = Tariff(
Energy(values[9], values[1], values[5]),
Energy(values[9], values[3], values[7])
)
def test_add():
e1 = Energy(1, 1, 1)
e2 = Energy(1, 1, 1)
t1 = Tariff(e1, e2)
t2 = Tariff(e1, e2)
t_total = t1 + t2
assert t_total.energy_import.apparent == t1.energy_import.apparent + t2.energy_import.apparent
assert t_total.energy_import.active == t1.energy_import.active + t2.energy_import.active
assert t_total.energy_import.reactive == t1.energy_import.reactive + t2.energy_import.reactive
assert t_total.energy_export.apparent == t1.energy_export.apparent + t2.energy_export.apparent
assert t_total.energy_export.active == t1.energy_export.active + t2.energy_export.active
assert t_total.energy_export.reactive == t1.energy_export.reactive + t2.energy_export.reactive
def test_balance():
e1 = Energy(1000, 1000, 1000)
e2 = Energy(1000, 1000, 1000)
balance = Tariff(e1, e2).balance
assert isinstance(balance, Energy)
assert balance.apparent == 0
assert balance.active == 0
assert balance.reactive == 0
def test_div():
e1 = Energy(1000, 1000, 1000)
e2 = Energy(1000, 1000, 1000)
p_import, p_export = Tariff(e1, e2) / 7200
assert isinstance(p_import, Power)
assert isinstance(p_export, Power)
assert p_import.apparent == 1000 / 2
assert p_export.apparent == 1000 / 2
assert p_import.active == e1.active / 2
assert p_export.active == e1.active / 2
assert p_import.reactive == e1.reactive / 2
assert p_export.reactive == e1.reactive / 2
p_import, p_export = Tariff(e1, e2) / timedelta(minutes=30)
assert isinstance(p_import, Power)
assert isinstance(p_export, Power)
assert p_import.apparent == 1000 * 2
assert p_export.apparent == 1000 * 2
assert p_import.active == e1.active * 2
assert p_export.active == e1.active * 2
assert p_import.reactive == e1.reactive * 2
assert p_export.reactive == e1.reactive * 2
