oss-fuzz/projects/sqlalchemy_jsonfield/fuzz_basic.py

57 lines
1.7 KiB
Python

#!/usr/bin/python3
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import atheris
import sys
with atheris.instrument_imports():
import sqlalchemy
from sqlalchemy import create_engine, Table, Column, Integer, MetaData
from sqlalchemy.sql import text
from sqlalchemy.exc import SQLAlchemyError
import sqlalchemy_jsonfield
from sqlalchemy_jsonfield import JSONField
@atheris.instrument_func
def TestInput(data):
fdp = atheris.FuzzedDataProvider(data)
metadata = MetaData()
fuzz_table = Table('fuzz_table', metadata,
Column('id', Integer, primary_key=True),
Column('Col1',
JSONField(enforce_string=fdp.ConsumeBool(),enforce_unicode=fdp.ConsumeBool())
)
)
engine = create_engine('sqlite:///fuzz.db')
metadata.create_all(engine)
try:
with engine.connect() as conn:
conn.execute(text(fdp.ConsumeString(100)))
except (SQLAlchemyError, UnicodeEncodeError) as e:
pass
except ValueError as e:
if "the query contains a null character" not in str(e):
raise e
def main():
atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()