oss-fuzz/projects/pygments/pygments_fuzzer.py

#!/usr/bin/python3

# Copyright 2020 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 sys
import atheris
import pygments
import pygments.formatters
import pygments.lexers


def TestOneInput(input_bytes):
  fdp = atheris.FuzzedDataProvider(input_bytes)
  data = fdp.ConsumeUnicode(atheris.ALL_REMAINING)

  try:
    lexer = pygments.lexers.guess_lexer(data)
  except ValueError:
    return
  pygments.highlight(data, lexer, pygments.formatters.HtmlFormatter())


def main():
  atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
  atheris.Fuzz()


if __name__ == "__main__":
  main()