oss-fuzz/projects/g-py-bigquery/fuzz_parser.py

61 lines
1.6 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
import IPython
with atheris.instrument_imports():
from google.cloud.bigquery.magics.line_arg_parser.lexer import Lexer
from google.cloud.bigquery.magics.line_arg_parser.parser import Parser
from google.cloud.bigquery.magics.line_arg_parser.parser import ParseError
from google.cloud.bigquery.magics.line_arg_parser.parser import QueryParamsParseError
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
s1 = fdp.ConsumeString(sys.maxsize)
tokens = list(Lexer(s1))
if len(tokens) == 0:
return
lexer = Lexer(s1)
parser = Parser(lexer)
try:
parser.input_line()
except ParseError:
pass
lexer = Lexer(s1)
parser = Parser(lexer)
try:
parser.collection_items()
except QueryParamsParseError:
pass
lexer = Lexer(s1)
parser = Parser(lexer)
try:
parser.dict_items()
except QueryParamsParseError:
pass
def main():
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()