def test_remove_prior():
p1 = Parameter('test_parameter', 1.0, min_value=-5.0, max_value=5.0,
delta=0.2, desc='test', free=False, unit='MeV')
my_prior = Uniform_prior()
p1.prior = my_prior
assert p1.has_prior()==True
# Now remove it
p1.prior = None
assert p1.has_prior()==False
def test_constructor_complete():
p = Parameter(
'test_parameter',
1.0,
min_value=-5.0,
max_value=5.0,
delta=0.2,
desc='test',
free=False,
unit=u.MeV,
prior=Uniform_prior(),
is_normalization=True,
)
assert p.min_value == -5.0
assert p.max_value == 5.0
assert p.value == 1.0
assert p.delta == 0.2
assert p.name == 'test_parameter'
assert p.description == 'test'
assert p.fix == True
assert p.free == False
assert p.has_prior() == True
assert p.unit == u.MeV
assert p.is_normalization
p.display()
def test_default_constructor_units():
p = Parameter('test_parameter', 1.0 * u.keV, desc='Description')
assert p.min_value is None
assert p.max_value is None
assert p.value == 1.0
assert isinstance(p.delta, float)
assert p.name == 'test_parameter'
assert p.description == 'Description'
assert p.fix == False
assert p.free == True
assert p.has_prior() == False
assert p.prior is None
assert p.unit == u.keV
p.display()
def test_conflicting_units_in_initial_value_and_unit_keyword():
p = Parameter('test_parameter', 1.0 * u.keV, desc='Description', unit=u.MeV)
assert p.min_value is None
assert p.max_value is None
assert p.value == 1.0e-3
assert isinstance(p.delta, float)
assert p.name == 'test_parameter'
assert p.description == 'Description'
assert p.fix == False
assert p.free == True
assert p.has_prior() == False
assert p.prior is None
assert p.unit == u.MeV
p.display()
def test_default_constructor():
p = Parameter('test_parameter', 1.0, desc='Description')
assert p.min_value is None
assert p.max_value is None
assert p.value == 1.0
assert isinstance(p.delta, float)
assert p.name == 'test_parameter'
assert p.description == 'Description'
assert p.fix == False
assert p.free == True
assert p.has_prior() == False
assert p.prior is None
assert p.unit == u.dimensionless_unscaled
# Test that we cannot call a parameter with a name with spaces in it
with pytest.raises(AssertionError):
_ = Parameter('test parameter 2', 1.0)
# Test some failures cases
with pytest.raises(ValueError):
_ = Parameter('test', 'pippo')
with pytest.raises(ValueError):
_ = Parameter('test', 1.0, min_value='a')
with pytest.raises(ValueError):
_ = Parameter('test', 1.0, max_value='b')
with pytest.raises(TypeError):
_ = Parameter('test', 1.0, delta='b')
p.display()
