def test_compound():
umudu = nV * nS / mV
udumu = nV * (nS / mV)
assert umudu.data_unit == udumu.data_unit == volt * siemens / volt == siemens
assert numeric_equals(umudu.scale, udumu.scale)
assert numeric_equals(umudu.scale, 1e-15)
assert umudu.name == udumu.name == "nV·nS·mV⁻¹"
def test_1_over_vs_x_over():
recip = 1 / ms
assert isinstance(recip, (Unit, PoweredUnitAtom))
assert recip.power == -1
assert recip.data_unit == 1 / second
assert numeric_equals(recip.scale, 1000)
recip2 = 2 / ms
assert isinstance(recip2, Quantity)
assert recip2.data_unit == 1 / second
assert numeric_equals(recip2.data, 2000)
def test_power():
up = mV**3
assert isinstance(up, PoweredUnitAtom)
assert up.power == 3
assert up.data_unit == volt**3
assert up.name == "mV³"
assert numeric_equals(up.scale, 1e-9)
def test_one_over():
oou = 1 / mV
assert isinstance(oou, PoweredUnitAtom)
assert oou.power == -1
assert oou.data_unit == 1 / volt
assert numeric_equals(oou.scale, 1e3)
assert oou == mV**-1
def test_ndarray():
lmu = np.ones(2) * mV
assert lmu.display_unit == mV
assert numeric_equals(lmu.data, [1e-3, 1e-3])
assert numeric_equals(lmu.data_in_display_units, [1, 1])
assert str(lmu) == "[1 1] mV"
def test_power():
smup = 8 * (mV**2)
assert numeric_equals(smup.data, 8e-6)
assert smup.data_unit == volt**2 == volt * volt
def test_array_div_unit():
amudu = 3 * nS / mV
assert numeric_equals(amudu.data, 3e-6)
def test_array_times_unit():
amumu = 3 * mV * mV
assert numeric_equals(amumu.data, 3e-6)
def test_div():
udu = mV / nS
assert udu.data_unit == volt / siemens
assert numeric_equals(udu.scale, 1e6)
def test_mul():
umu = volt * ms
assert umu.data_unit == volt * second
assert numeric_equals(umu.scale, 0.001)