def test_invalid_on_paramater_group_not_equal(self):
"""Test ValidationError is raised when a set of parameters that belong
to an `equal_group` element do not have equal values."""
validator = NumericValidator(equal_groups=[['a', 'b', 'c']])
with self.assertRaises(ValidationError):
validator.validate(a=1, b=1, c=2)
def test_invalid_on_paramater_not_equal(self):
"""Test ValidationError is raised when a parameter's value is equal to
that specified in `not_equal_to`."""
validator = NumericValidator(not_equal_to={'a': 1})
with self.assertRaises(ValidationError):
validator.validate(a=1)
def test_raise_on_inconsistent_assignment(self):
"""Test ValueError is raised when a parameter name appears in both
`equal_to` and `not_equal_to`."""
with self.assertRaises(ValueError):
NumericValidator(
equal_to={'a': 1},
not_equal_to={'a': 2},
)
def test_raise_on_repeated_inter_not_equal_group(self):
"""Test ValueError is raised when a parameter name is repeated across
multiple `not_equal_group` elements."""
with self.assertRaises(ValueError):
NumericValidator(not_equal_groups=[
['a', 'b'],
['a', 'c'],
])
def test_raise_on_multiple_equal_group_assignment(self):
"""Test ValueError is raised when distinct parameters that belong
to an `equal_group` element are assigned in `equal_to`."""
with self.assertRaises(ValueError):
NumericValidator(equal_groups=[['a', 'b']],
equal_to={
'a': 1,
'b': 2,
})
def _validate_params(self, a, b, c, alpha, beta, gamma):
"""Validate lattice parameters against the specified lattice system."""
data = pkgutil.get_data('bravais', 'valid_parameters.yml')
valid_parameters = yaml.safe_load(data)
valid_lat_params = valid_parameters[self.lattice_system]
length_validator = NumericValidator(**valid_lat_params['lengths'])
angles_validator = NumericValidator(**valid_lat_params['angles'])
lengths_valid = length_validator.validate(a=a, b=b, c=c)
angles_valid = angles_validator.validate(alpha=alpha,
beta=beta,
gamma=gamma)
return lengths_valid, angles_valid
def test_raise_on_repeated_intra_equal_group(self):
"""Test ValueError is raised when a parameter name is repeated within
an `equal_group` element."""
with self.assertRaises(ValueError):
NumericValidator(equal_groups=[['a', 'a', 'b']])