def testScalarInvalidValue(unit_database_len_time):
db = unit_database_len_time
db.AddCategory("another-length", "length", min_value=0, max_value=15)
scalar = Scalar("another-length", value=15, unit="m")
assert scalar.IsValid()
scalar = Scalar("another-length", value=-5, unit="m")
assert not scalar.IsValid()
# By default the validation will be performed. 15 is a valid value.
scalar = Scalar("another-length", value=15, unit="m")
assert scalar.IsValid()
# Even invalid ,the scalar returns the value, unit and a formatted text.
another = Scalar("another-length", value=3000, unit="m")
assert not another.IsValid()
assert another.GetValue("m") == 3000
assert another.GetUnit() == "m"
assert another.GetFormatted() == "3000 [m]"
# By default the validation will be performed, and in this cases will raise ValueError.
another_2 = Scalar("another-length", unit="m", value=5000)
assert not another_2.IsValid()
# Performing copy between invalid scalars. The validation is not performed on copy.
copied = another.CreateCopy(unit="cm")
assert not copied.IsValid()
assert copied.GetValue("m") == 3000
assert copied.GetUnit() == "cm"
assert copied.GetFormatted() == "300000 [cm]"
def testCategoryParameters(unit_database_empty):
db = unit_database_empty
db.AddUnitBase("length", "meters", "m")
db.AddUnit("length", "centimeters", "cm", "x * 100.0", "x / 100.0")
db.AddCategory(
"my length",
"length",
["cm", "m"],
default_unit="m",
default_value=18.5,
min_value=-30.0,
max_value=100.0,
is_min_exclusive=True,
is_max_exclusive=False,
)
s1 = Scalar("my length")
assert s1.value == 18.5
assert s1.unit == "m"
# test maximum boundary
s2 = Scalar("my length", 100.0, "m")
assert s2.value == 100.0
assert s2.unit == "m"
s3 = Scalar("my length", 500.0, "cm")
assert s3.value == 500.0
assert s3.unit == "cm"
# higher than maximum value
another = Scalar("my length", 120.0, "m")
assert not another.IsValid()
with pytest.raises(ValueError):
another.CheckValidity()
another = Scalar("my length", -30.0, "m")
assert not another.IsValid()
s4 = Scalar("my length", unit="cm")
assert s4.value == 1850.0
assert s4.unit == "cm"
another = s4.CreateCopy(12500.00, "cm")
assert not another.IsValid()
def testCopyPropertiesAndValidation(unit_database_well_length):
category = "well-length-with-min-and-max" # the minimum value is zero
unit = "m"
value = -1
# Not raises exception because validation is False on the copy operation
scalar_source = Scalar(category, value, unit)
assert not scalar_source.IsValid()
# Raises exception because validation is True and the value -1 is invalid accordingly to
# the category 'well-length-with-min-and-max'
another = scalar_source.CreateCopy()
assert not another.IsValid()
