def __len__(self):
"""Length of field. May vary if mutate() changes the length.
Returns:
int: Length of element (length of mutated element if mutated).
"""
return len(self.render(MutationContext(mutation=Mutation())))
def get_value(self, mutation_context=None):
"""Helper method to get the currently applicable value.
This is either the default value, or the active mutation value as dictated by mutation_context.
Args:
mutation_context (MutationContext):
Returns:
"""
if mutation_context is None:
mutation_context = MutationContext(Mutation())
if self.qualified_name in mutation_context.mutation.mutations:
mutation = mutation_context.mutation.mutations[self.qualified_name]
if callable(mutation):
value = mutation(
self.original_value(
test_case_context=mutation_context.protocol_session))
else:
value = mutation
else:
value = self.original_value(
test_case_context=mutation_context.protocol_session)
return value
def _render_primitive(self, primitive_name):
return (
self._request.resolve_name(self.context_path, primitive_name).render(
mutation_context=MutationContext(Mutation())
)
if primitive_name is not None
else None
)
def get_mutations(self):
"""Iterate mutations. Used by boofuzz framework.
Yields:
Mutation: Mutations
"""
try:
if not self.fuzzable:
return
for value in itertools.chain(self.mutations(self.original_value()), self._fuzz_values):
if self._halt_mutations:
self._halt_mutations = False
return
if isinstance(value, Mutation):
yield value
else:
yield Mutation(mutations={self.qualified_name: value})
finally:
self._halt_mutations = False # in case stop_mutations is called when mutations were exhausted anyway
def get_mutations(self):
"""Iterate mutations. Used by boofuzz framework.
Yields:
list of Mutation: Mutations
"""
try:
if not self.fuzzable:
return
index = 0
for value in itertools.chain(self.mutations(self.original_value()), self._fuzz_values):
if self._halt_mutations:
self._halt_mutations = False
return
if isinstance(value, list):
yield value
elif isinstance(value, Mutation):
yield [value]
else:
yield [Mutation(value=value, qualified_name=self.qualified_name, index=index)]
index += 1
finally:
self._halt_mutations = False # in case stop_mutations is called when mutations were exhausted anyway
def _render_primitive(self, primitive_name):
return (self._request.names[primitive_name].render(
MutationContext(Mutation()))
if primitive_name is not None else None)
