def test_charge_cross_threshold(self):
self.batt = Linear2StageBattery(100, 79.9, 7.68)
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 31.63875847566334)
self.assertAlmostEqual(self.batt.current_charging_power,
7.5933020341592)
self.assertAlmostEqual(self.batt._current_charge, 80.5327751695133)
def test_valid_charge_negative_noise_tail(self):
self.batt = Linear2StageBattery(100, 85, 7.68, 1)
with patch('numpy.random.normal', return_value=-0.288):
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 22.8)
self.assertAlmostEqual(self.batt.current_charging_power, 5.472)
self.assertAlmostEqual(self.batt._current_charge, 85.456)
def test_valid_charge_no_noise_not_tail(self):
self.batt = Linear2StageBattery(100, 0, 7.68, 0)
with patch('numpy.random.normal', return_value=1.2):
rate = self.batt.charge(16, 240, 5)
self.assertAlmostEqual(rate, 16)
self.assertAlmostEqual(self.batt.current_charging_power, 3.84)
self.assertAlmostEqual(self.batt._current_charge, 0.32)
def test_charge_over_capacity(self):
self.batt = Linear2StageBattery(100, 99, 7.68)
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 1.574670896040131)
self.assertAlmostEqual(self.batt.current_charging_power,
0.3779210150496315)
self.assertAlmostEqual(self.batt._current_charge, 99.0314934179208)
def test_charge_at_threshold(self):
self.batt = Linear2StageBattery(100, 80, 7.68)
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 31.49341792080207)
self.assertAlmostEqual(self.batt.current_charging_power,
7.558420300992497)
self.assertAlmostEqual(self.batt._current_charge, 80.629868358416)
def test_valid_charge_no_noise_tail(self):
self.batt = Linear2StageBattery(100, 85, 7.68)
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 23.62006344060197)
self.assertAlmostEqual(self.batt.current_charging_power,
5.668815225744472)
self.assertAlmostEqual(self.batt._current_charge, 85.472401268812)
def test_valid_charge_negative_noise_not_tail(self):
self.batt = Linear2StageBattery(100, 0, 7.68, 1)
with patch('numpy.random.normal', return_value=-0.288):
rate = self.batt.charge(16, 240, 5)
self.assertAlmostEqual(rate, 14.8)
self.assertAlmostEqual(self.batt.current_charging_power, 3.552)
self.assertAlmostEqual(self.batt._current_charge, 0.296)
def test_over_one_transitions_soc(self):
with self.assertRaises(ValueError):
self.batt = Linear2StageBattery(100,
0,
7.68,
transition_soc=1.1,
charge_calculation="stepwise")
def battery_feasible(self, request, duration, voltage, period):
cap, init = batt_cap_fn(request, duration, voltage, period)
batt = Linear2StageBattery(cap, init, 32 * voltage / 1000)
rates = [batt.charge(32, voltage, period) for _ in range(duration)]
self.assertAlmostEqual((batt._current_charge - init), request)
self.assertAlmostEqual(request,
sum(rates) * voltage / 1000 * (period / 60))
def test_valid_charge_negative_noise_tail(self):
self.batt = Linear2StageBattery(100, 85, 7.68, noise_level=1)
with patch("numpy.random.normal", return_value=-0.288):
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 22.42006344060197)
self.assertAlmostEqual(self.batt.current_charging_power,
5.380815225744472)
self.assertAlmostEqual(self.batt._current_charge, 85.448401268812)
def test_charge_over_capacity(self):
self.batt = Linear2StageBattery(100,
99,
7.68,
charge_calculation="stepwise")
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 1.6)
self.assertAlmostEqual(self.batt.current_charging_power, 0.384)
self.assertAlmostEqual(self.batt._current_charge, 99.032)
def test_valid_charge_no_noise_tail(self):
self.batt = Linear2StageBattery(100,
85,
7.68,
charge_calculation="stepwise")
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 24)
self.assertAlmostEqual(self.batt.current_charging_power, 5.76)
self.assertAlmostEqual(self.batt._current_charge, 85.48)
def test_charge_over_max_rate_not_tail(self):
self.batt = Linear2StageBattery(100,
0,
7.68,
charge_calculation="stepwise")
rate = self.batt.charge(40, 240, 5)
self.assertAlmostEqual(rate, 32)
self.assertAlmostEqual(self.batt.current_charging_power, 7.68)
self.assertAlmostEqual(self.batt._current_charge, 0.64)
def test_zero_pilot_charge(self):
self.batt = Linear2StageBattery(100,
0,
7.68,
charge_calculation="stepwise")
with patch("numpy.random.normal", return_value=1.2):
rate = self.batt.charge(0, 240, 5)
self.assertAlmostEqual(rate, 0)
self.assertAlmostEqual(self.batt.current_charging_power, 0)
self.assertAlmostEqual(self.batt._current_charge, 0)
def test_valid_charge_positive_noise_tail(self):
self.batt = Linear2StageBattery(100,
85,
7.68,
noise_level=1,
charge_calculation="stepwise")
with patch("numpy.random.normal", return_value=0.288):
rate = self.batt.charge(32, 240, 5)
self.assertAlmostEqual(rate, 25.2)
self.assertAlmostEqual(self.batt.current_charging_power, 6.048)
self.assertAlmostEqual(self.batt._current_charge, 85.504)
def setUp(self):
self.init_charge = 0
self.batt = Linear2StageBattery(100, self.init_charge, 7.68)
def setUp(self):
self.batt = Linear2StageBattery(100, 0, 7.68, 0)
def setUp(self):
self.init_charge = 0
self.batt = Linear2StageBattery(100,
self.init_charge,
7.68,
charge_calculation="stepwise")
def test_invalid_charge_calculation_method(self):
with self.assertRaises(ValueError):
self.batt = Linear2StageBattery(
100, 0, 7.6, charge_calculation="invalid_method")
