def __init__(self, message, model_or_kind, model_id=None):
"""Initializes a new audit error.
Args:
message: str. The message describing the error.
model_or_kind: Model|bytes. If model_id is not provided, then this
is a model (type: BaseModel).
Otherwise, this is a model's kind (type: bytes).
model_id: bytes|None. The model's ID, or None when model_or_kind is
a model.
Raises:
TypeError. When the input message is not a string.
ValueError. When the input message is empty.
"""
if not isinstance(message, str):
raise TypeError('message must be a string')
if not message:
raise ValueError('message must be a non-empty string')
if model_id is None:
model_id = job_utils.get_model_id(model_or_kind)
model_kind = job_utils.get_model_kind(model_or_kind)
else:
model_kind = model_or_kind
error_message = '%s in %s(id=%s): %s' % (
self.__class__.__name__,
model_kind, utils.quoted(model_id), message)
super(BaseAuditError, self).__init__(stderr=error_message)
def _generate_missing_key_errors(self, model, property_of_model,
referenced_kinds):
"""Yields all model keys referenced by the given model's properties.
Args:
model: Model. The input model.
property_of_model: ModelProperty. The property that holds the ID(s)
of referenced model(s).
referenced_kinds: tuple(str). The kinds of models that the property
refers to.
Yields:
tuple(ModelKey, ModelRelationshipError). The key for a referenced
model and the error to report when the key doesn't exist.
"""
# NOTE: This loop yields 1 or many values, depending on whether the
# property is a repeated property (i.e. a list).
for property_value in property_of_model.yield_value_from_model(model):
if property_value is None:
continue
model_id = job_utils.get_model_id(model)
referenced_id = property_value
for referenced_kind in referenced_kinds:
error = base_validation_errors.ModelRelationshipError(
property_of_model, model_id, referenced_kind,
referenced_id)
yield (ModelKey(referenced_kind, referenced_id), error)
def from_model(cls, model):
"""Creates a model key from the given model.
Args:
model: Model. The model to create a key for.
Returns:
ModelKey. The corresponding model key.
"""
return cls(model_kind=job_utils.get_model_kind(model),
model_id=job_utils.get_model_id(model))
def test_get_id_from_bad_value(self) -> None:
with self.assertRaisesRegexp(TypeError, 'not a model instance'): # type: ignore[no-untyped-call]
job_utils.get_model_id(123) # type: ignore[arg-type]
def test_get_id_from_datastore_model(self) -> None:
model = FooModel(id='123')
self.assertEqual(job_utils.get_model_id(model), '123')
