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# pytest fixtures
import io
import pytest
import pint
@pytest.fixture
def registry_empty():
return pint.UnitRegistry(None)
@pytest.fixture
def registry_tiny():
return pint.UnitRegistry(
io.StringIO(
"""
yocto- = 1e-24 = y-
zepto- = 1e-21 = z-
atto- = 1e-18 = a-
femto- = 1e-15 = f-
pico- = 1e-12 = p-
nano- = 1e-9 = n-
micro- = 1e-6 = µ- = u-
milli- = 1e-3 = m-
centi- = 1e-2 = c-
deci- = 1e-1 = d-
deca- = 1e+1 = da- = deka-
hecto- = 1e2 = h-
kilo- = 1e3 = k-
mega- = 1e6 = M-
giga- = 1e9 = G-
tera- = 1e12 = T-
peta- = 1e15 = P-
exa- = 1e18 = E-
zetta- = 1e21 = Z-
yotta- = 1e24 = Y-
meter = [length] = m = metre
second = [time] = s = sec
angstrom = 1e-10 * meter = Å = ångström = Å
minute = 60 * second = min
"""
)
)
@pytest.fixture
def func_registry():
return pint.UnitRegistry()
@pytest.fixture(scope="class")
def class_registry():
"""Only use for those test that do not modify the registry."""
return pint.UnitRegistry()
@pytest.fixture(scope="session")
def sess_registry():
"""Only use for those test that do not modify the registry."""
return pint.UnitRegistry()
@pytest.fixture(scope="class")
def class_tiny_app_registry():
ureg_bak = pint.get_application_registry()
ureg = pint.UnitRegistry(None)
ureg.define("foo = []")
ureg.define("bar = foo / 2")
pint.set_application_registry(ureg)
assert pint.get_application_registry() is ureg
yield ureg
pint.set_application_registry(ureg_bak)
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