def test_fixed(self):
param = Parameter(name='test', default=[1, 2, 3, 4])
assert param.fixed == False == param._fixed
# Set error
with pytest.raises(ValueError) as err:
param.fixed = 3
assert str(err.value) == \
"Value must be boolean"
# Set
param.fixed = True
assert param.fixed == True == param._fixed
def test_parameter_properties():
"""Test if getting / setting of Parameter properties works."""
p = Parameter('alpha', default=1)
assert p.name == 'alpha'
# Parameter names are immutable
with pytest.raises(AttributeError):
p.name = 'beta'
assert p.fixed is False
p.fixed = True
assert p.fixed is True
assert p.tied is False
p.tied = lambda _: 0
p.tied = False
assert p.tied is False
assert p.min is None
p.min = 42
assert p.min == 42
p.min = None
assert p.min is None
assert p.max is None
p.max = 41
assert p.max == 41