def test_sort_dims():
with warns_deprecated_sympy():
assert DimensionSystem.sort_dims((length, velocity, time)) == (
length,
time,
velocity,
)
def test_definition():
base = (length, time)
ms = DimensionSystem(base, (velocity,), "MS", "MS system")
assert ms._base_dims == DimensionSystem.sort_dims(base)
assert set(ms._dims) == set(base + (velocity,))
assert ms.name == "MS"
assert ms.descr == "MS system"
def test_definition():
# want to test if the system can have several units of the same dimension
dm = Quantity("dm", length, Rational(1, 10))
base = (m, s)
base_dim = (m.dimension, s.dimension)
ms = UnitSystem(base, (c, dm), "MS", "MS system")
assert set(ms._base_units) == set(base)
assert set(ms._units) == set((m, s, c, dm))
#assert ms._units == DimensionSystem._sort_dims(base + (velocity,))
assert ms.name == "MS"
assert ms.descr == "MS system"
assert ms._system._base_dims == DimensionSystem.sort_dims(base_dim)
assert set(ms._system._dims) == set(base_dim + (velocity,))
def test_sort_dims():
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=SymPyDeprecationWarning)
assert (DimensionSystem.sort_dims((length, velocity, time))
== (length, time, velocity))
def test_sort_dims():
assert (DimensionSystem.sort_dims((length, velocity, time))
== (length, time, velocity))
def test_sort_dims():
with warns_deprecated_sympy():
assert (DimensionSystem.sort_dims((length, velocity, time))
== (length, time, velocity))
def test_sort_dims():
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=SymPyDeprecationWarning)
assert (DimensionSystem.sort_dims(
(length, velocity, time)) == (length, time, velocity))
