oss-fuzz/infra/cifuzz/stack_parser_test.py

60 lines
2.3 KiB
Python

# Copyright 2021 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.
"""Tests for stack_parser."""
import os
import tempfile
import unittest
import stack_parser
# NOTE: This integration test relies on
# https://github.com/google/oss-fuzz/tree/master/projects/example project.
EXAMPLE_PROJECT = 'example'
# Location of files used for testing.
TEST_FILES_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)),
'test_files')
class ParseOutputTest(unittest.TestCase):
"""Tests parse_fuzzer_output."""
def test_parse_valid_output(self):
"""Checks that the parse fuzzer output can correctly parse output."""
test_output_path = os.path.join(TEST_FILES_PATH,
'example_crash_fuzzer_output.txt')
test_summary_path = os.path.join(TEST_FILES_PATH, 'bug_summary_example.txt')
with tempfile.TemporaryDirectory() as tmp_dir:
with open(test_output_path, 'rb') as test_fuzz_output:
stack_parser.parse_fuzzer_output(test_fuzz_output.read(), tmp_dir)
result_files = ['bug_summary.txt']
self.assertCountEqual(os.listdir(tmp_dir), result_files)
# Compare the bug summaries.
with open(os.path.join(tmp_dir, 'bug_summary.txt')) as bug_summary:
detected_summary = bug_summary.read()
with open(test_summary_path) as bug_summary:
real_summary = bug_summary.read()
self.assertEqual(detected_summary, real_summary)
def test_parse_invalid_output(self):
"""Checks that no files are created when an invalid input was given."""
with tempfile.TemporaryDirectory() as tmp_dir:
stack_parser.parse_fuzzer_output(b'not a valid output_string', tmp_dir)
self.assertEqual(len(os.listdir(tmp_dir)), 0)
if __name__ == '__main__':
unittest.main()