def testArrayOperations(unit_database_len_time) -> None:
unit_database = unit_database_len_time
m = Quantity.CreateDerived(OrderedDict([("Table size", ["m", 1])]))
km_city = Quantity.CreateDerived(OrderedDict([("City size", ["km", 1])]))
s1: Array[List[float]] = Array.CreateWithQuantity(m, [1])
s2: Array[List[float]] = Array.CreateWithQuantity(km_city, [0.01])
initial1 = s1.GetQuantity().GetComposingUnits()
initial2 = s2.GetQuantity().GetComposingUnits()
# Check that they doesn't raise ComposedUnitError
s1.GetValues()
s2.GetValues()
quantity, value = unit_database.Multiply(m, km_city, 1, 0.01)
assert initial1 == s1.GetQuantity().GetComposingUnits()
assert initial2 == s2.GetQuantity().GetComposingUnits()
calculated1: Array[List[float]] = Array.CreateWithQuantity(quantity, [value])
array = s1 * s2
str(array) # just to see if it works...
assert calculated1 == s1 * s2
quantity, value = unit_database.Sum(m, km_city, 1, 0.01)
assert Array.CreateWithQuantity(quantity, [value]) == s1 + s2
quantity, value = unit_database.Subtract(m, km_city, 1, 0.01)
assert Array.CreateWithQuantity(quantity, [value]) == s1 - s2
def testDivision(unit_database_len_time) -> None:
unit_database = unit_database_len_time
m = Quantity.CreateDerived(OrderedDict([("Table size", ["m", 1])]))
km_city = Quantity.CreateDerived(OrderedDict([("City size", ["km", 1])]))
quantity, value = unit_database.Divide(m, km_city, 1, 0.01)
calculated1: Array[List[float]] = Array.CreateWithQuantity(quantity, [value])
s1: Array[List[float]] = Array.CreateWithQuantity(m, [1])
s2: Array[List[float]] = Array.CreateWithQuantity(km_city, [0.01])
assert calculated1 == s1 / s2
def testDivision(unit_database_len_time):
unit_database = unit_database_len_time
m = Quantity.CreateDerived(odict([("Table size", ["m", 1])]))
km_city = Quantity.CreateDerived(odict([("City size", ["km", 1])]))
quantity, value = unit_database.Divide(m, km_city, 1, 0.01)
calculated1 = Array.CreateWithQuantity(quantity, [value])
s1 = Array.CreateWithQuantity(m, [1])
s2 = Array.CreateWithQuantity(km_city, [0.01])
assert calculated1 == s1 / s2
def testDivision(unit_database_len_time) -> None:
unit_database = unit_database_len_time
m = Quantity.CreateDerived(OrderedDict([("Table size", ["m", 1])]))
km_city = Quantity.CreateDerived(OrderedDict([("City size", ["km", 1])]))
quantity, value = unit_database.Divide(m, km_city, 1, 0.01)
calculated1 = Scalar.CreateWithQuantity(quantity, value)
s1 = Scalar.CreateWithQuantity(m, 1)
s2 = Scalar.CreateWithQuantity(km_city, 0.01)
assert calculated1 == s1 / s2
def testCreationWithDerivedQuantity(unit_database_len_time):
unit_database = unit_database_len_time
m = Quantity.CreateDerived(odict([("Table size", ["m", 1])]))
km_city = Quantity.CreateDerived(odict([("City size", ["km", 1])]))
quantity, value = unit_database.Multiply(m, km_city, 1, 0.01)
calculated1 = Scalar.CreateWithQuantity(quantity, value)
assert six.text_type(calculated1)
s1 = Scalar.CreateWithQuantity(m, 1)
s2 = Scalar.CreateWithQuantity(km_city, 0.01)
assert calculated1 == s1 * s2
def testDeepcopy(unit_database_len_time):
import copy
# Note: the part below is flaky for a test because it relies on getting a refcount to None
# which could change if there are other threads running. The code is kept just as a
# reference in case we have to debug such a situation again (there was a bug in odict where
# it decreased references to None when it shouldn't and it crashed the program later on).
# m = odict([('Table size', ['m', 1])])
# import gc
# import sys
# my_none = None
# for i in range(100):
# gc.collect()
#
# Note:
# for i in range(200):
# gc.collect()
# if i < 100:
# prev = sys.getrefcount(my_none)
# else:
# curr = sys.getrefcount(my_none)
# self.assert_(curr >= prev,
# 'The ref count cannot get lower for None (previous:%s current:%s).' % (prev, curr))
#
# # Notice that print sys.getrefcount(None) is always decrementing (this is the error)
# m = copy.deepcopy(m)
m = Quantity.CreateDerived(odict([("Table size", ["m", 1])]))
m0 = copy.deepcopy(m)
assert m is m0 # Check if our cache is working.
def testCreateWithQuantity(unit_database_start_units) -> None:
units.FixedArray.CreateWithQuantity(Quantity.CreateDerived(OrderedDict()),
[100, 150, 200],
dimension=3)
quantity = ObtainQuantity("m", "length")
a1 = units.FixedArray(3, quantity, values=[1, 2, 3])
a2 = units.FixedArray(3, quantity, values=[1, 2, 3])
assert a1.GetValues("km") == [0.001, 0.002, 0.003]
assert a2.GetValues() == [1, 2, 3]
def testDerivedQuantities(unit_database_len_time):
# define a simple quantity
ObtainQuantity(unit="s", category="Time") # see if it works
ObtainQuantity(unit="m", category="Table size") # see if it works
q3 = Quantity.CreateDerived(
odict([("Table size", ["m", 2]), ("Time", ["s", -1])]))
q4 = Quantity.CreateDerived(
odict([("Table size", ["m", 2]), ("Time", ["s", -2])]))
q5 = Quantity.CreateDerived(
odict([("Table size", ["m", 1]), ("City size", ["m", 1]),
("Time", ["s", -2])]))
q6 = Quantity.CreateDerived(odict([("Time", ["s", -2])]))
q7 = Quantity.CreateDerived(
odict([("Table size", ["m", 1]), ("Time", ["s", 2])]))
with pytest.raises(InvalidUnitError):
Quantity.CreateDerived(
odict([
("Table size", ["invalid", 1]),
("City size", ["m", 1]),
("Time", ["s", -2]),
]))
assert "(Table size) ** 2 / Time" == q3.GetCategory()
assert "m2/s" == q3.GetUnit()
assert "(Table size) ** 2 / (Time) ** 2" == q4.GetCategory()
assert "m2/s2" == q4.GetUnit()
assert "1/s2" == q6.GetUnit()
assert "m.s2" == q7.GetUnit()
assert (("m", 2), ("s", -2)) == q4.GetComposingUnits()
assert (("m", 1), ("m", 1), ("s", -2)) == q5.GetComposingUnits()
def testConvertionWithDerivedUnits(unit_database_len_time):
empty = Quantity.CreateDerived(OrderedDict())
m = Quantity.CreateDerived(OrderedDict([("Table size", ["m", 1])]))
m_city = Quantity.CreateDerived(OrderedDict([("City size", ["m", 1])]))
cm = Quantity.CreateDerived(OrderedDict([("Table size", ["cm", 1])]))
km_city = Quantity.CreateDerived(OrderedDict([("City size", ["km", 1])]))
m2 = Quantity.CreateDerived(OrderedDict([("Table size", ["m", 2])]))
s = Quantity.CreateDerived(OrderedDict([("Time", ["s", -1])]))
m2s = Quantity.CreateDerived(
OrderedDict([("Table size", ["m", 2]), ("Time", ["s", -1])]))
cat_mix_m2 = Quantity.CreateDerived(
OrderedDict([("Table size", ["m", 1]), ("City size", ["m", 1])]))
unit_database = unit_database_len_time
# multiplication
assert (m2, 2) == unit_database.Multiply(m, m, 1, 2)
assert (m2s, 2) == unit_database.Multiply(m2, s, 1, 2)
assert (m2s, 2) == unit_database.Multiply(m2, s, 1, 2)
assert (m2, 1) == unit_database.Multiply(m, cm, 1, 100)
assert (cat_mix_m2, 1) == unit_database.Multiply(m, m_city, 1, 1)
assert (cat_mix_m2, 1) == unit_database.Multiply(m, km_city, 1, 0.001)
# division
assert (m, 0.001) == unit_database.Divide(cat_mix_m2, km_city, 1, 1)
# check division with cancelling units (and different categories)
assert (empty, 1) == unit_database.Divide(m, m_city, 1, 1)
# floor division
assert (m, 3.0) == unit_database.FloorDivide(cat_mix_m2, km_city, 3.5,
0.001)
# sum
assert (m, 1 + 0.01) == unit_database.Sum(m, cm, 1, 1)
assert (m, 2) == unit_database.Sum(m, m_city, 1, 1)
# subtraction
# check with operation so that we have an exact match (without need for almost equals,
# as that should be the same exact operation done later)
assert (m, 1 - 0.01) == unit_database.Subtract(m, cm, 1, 1)
with pytest.raises(InvalidOperationError):
unit_database.Subtract(m, s, 1, 1)
def testQuantityCaption(unit_database_posc_len) -> None:
unit_database = unit_database_posc_len
unit_database.AddUnitBase(UNKNOWN_QUANTITY_TYPE, UNKNOWN_QUANTITY_TYPE, UNKNOWN_UNIT)
unit_database.AddCategory(UNKNOWN_QUANTITY_TYPE, UNKNOWN_QUANTITY_TYPE)
q0 = ObtainQuantity(unit=UNKNOWN_UNIT, category=UNKNOWN_QUANTITY_TYPE)
assert "" == q0.GetUnknownCaption()
q = ObtainQuantity(
unit=UNKNOWN_UNIT, unknown_unit_caption="Feeeet", category=UNKNOWN_QUANTITY_TYPE
)
assert "Feeeet" == q.GetUnknownCaption()
assert "Feeeet <unknown>" == q.GetUnitCaption()
q = Quantity.CreateDerived(OrderedDict([("length", ("m", 1))]), unknown_unit_caption="Feeeet")
assert "m" == q.GetUnitCaption()
def testNumberInteractions(unit_database_len_time):
scalar = Scalar("Table size", 1, "m")
scalar2 = Scalar.CreateWithQuantity(Quantity.CreateDerived(odict()), 0)
assert scalar == scalar + scalar2
assert scalar == scalar + 0
assert scalar == 0 + scalar
assert 9 == (10 - scalar).value
assert -9 == (scalar - 10).value
assert 10 == (10 * scalar).value
assert 10 == (scalar * 10).value
assert 10 == (10.0 / scalar).value
assert 1 / 10.0 == (scalar / 10.0).value
def testNumberInteractions(unit_database_len_time):
import numpy
m = Quantity.CreateDerived(odict([("Table size", ["m", 1])]))
s1 = Array.CreateWithQuantity(m, list(range(10)))
s2 = Array.CreateWithQuantity(m, [x + x for x in range(10)])
assert s1 == 0 + s1
assert s1 == s1 + 0
assert s2 == s1 + s1
num_arr = Array.CreateWithQuantity(m, numpy.array([x for x in range(10)]))
sum_array = num_arr + s1
assert isinstance(sum_array.values, numpy.ndarray)
sum_array2 = num_arr + numpy.array([x for x in range(10)])
assert isinstance(sum_array2.values, numpy.ndarray)
tup_arr = Array.CreateWithQuantity(m, tuple([x for x in range(10)]))
tup_arr = tup_arr + 1
assert isinstance(tup_arr.values, tuple)
def testReadOnlyOperation(unit_database_len_time):
unit_database = unit_database_len_time
m_ro = ObtainQuantity("m", "Table size")
m_rw = ObtainQuantity("m", "Table size")
m2 = Quantity.CreateDerived(odict([("Table size", ["m", 2])]))
# multiplication
assert (m2, 2) == unit_database.Multiply(m_rw, m_rw, 1, 2)
assert (m2, 2) == unit_database.Multiply(m_ro, m_rw, 1, 2)
assert (m2, 2) == unit_database.Multiply(m_ro, m_ro, 1, 2)
assert (m2, 2) == unit_database.Multiply(m_rw, m_ro, 1, 2)
quantity, _ = unit_database.Multiply(m_ro, m_ro, 1, 2)
assert isinstance(quantity, Quantity)
quantity, _ = unit_database.Multiply(m_rw, m_rw, 1, 2)
assert isinstance(quantity, Quantity)
quantity, _ = unit_database.Multiply(m_rw, m_ro, 1, 2)
assert isinstance(quantity, Quantity)
quantity, _ = unit_database.Multiply(m_ro, m_rw, 1, 2)
assert isinstance(quantity, Quantity)
def testDerivedUnits(unit_database_empty):
unit_database = unit_database_empty
unit_database.AddUnitBase("length", "meters", "m")
unit_database.AddUnit("length", "milimeters", "mm", "x * 1000.0", "x / 1000.0")
unit_database.AddUnit("length", "centimeters", "cm", "x * 100.0", "x / 100.0")
unit_database.AddCategory("well-diameter", "length")
unit_database.AddUnitBase("time", "seconds", "s")
unit_database.AddCategory(category="Time", quantity_type="time")
s1 = Scalar("well-diameter", 10, "m")
s2 = Scalar("well-diameter", 10, "cm")
s3 = Scalar("Time", 10, "s")
assert Scalar("well-diameter", 10.10, "m") == s1 + s2
assert Scalar("well-diameter", 9.90, "m") == s1 - s2
quantity = Quantity.CreateDerived(odict())
assert Scalar.CreateWithQuantity(quantity, 100) == s1 / s2
assert Scalar("well-diameter", 9.90, "m") == s1 - s2
with pytest.raises(InvalidOperationError):
s1.__sub__(s3)
def testNumberInteractions(unit_database_len_time) -> None:
import numpy
m = Quantity.CreateDerived(OrderedDict([("Table size", ["m", 1])]))
s1: Array[List[int]] = Array.CreateWithQuantity(m, list(range(10)))
s2: Array[List[int]] = Array.CreateWithQuantity(m, [x + x for x in range(10)])
assert s1 == 0 + s1
assert s1 == s1 + 0
assert s2 == s1 + s1
num_arr: Array[numpy.ndarray[numpy.int64]] = Array.CreateWithQuantity(
m, numpy.array([x for x in range(10)])
)
sum_array = num_arr + s1
assert isinstance(sum_array.values, numpy.ndarray)
sum_array2: Array[numpy.ndarray[numpy.int64]] = num_arr + numpy.array([x for x in range(10)])
assert isinstance(sum_array2.values, numpy.ndarray)
tup_arr: Array[Tuple[int]] = Array.CreateWithQuantity(m, tuple([x for x in range(10)]))
tup_arr = tup_arr + 1
assert isinstance(tup_arr.values, tuple)
assert tup_arr.values == (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
