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# Copyright 2019 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 perepo_managerissions and
# limitations under the License.
"""Test the functionality of bisection module:
1) Test a known case where an error appears in a regression range.
2) Bisect can handle incorrect inputs.
IMPORTANT: This test needs to be run with root privileges.
"""
import os
import unittest
import bisector
import build_specified_commit
import test_repos
# Necessary because __file__ changes with os.chdir
TEST_DIR_PATH = os.path.dirname(os.path.realpath(__file__))
@unittest.skip('Test is too long to be run with presubmit.')
class BisectIntegrationTests(unittest.TestCase):
"""Class to test the functionality of bisection method."""
BISECT_TYPE = 'regressed'
def test_bisect_invalid_repo(self):
"""Test the bisection method on a project that does not exist."""
test_repo = test_repos.INVALID_REPO
build_data = build_specified_commit.BuildData(
project_name=test_repo.project_name,
engine='libfuzzer',
sanitizer='address',
architecture='x86_64')
with self.assertRaises(ValueError):
bisector.bisect(self.BISECT_TYPE, test_repo.old_commit,
test_repo.new_commit, test_repo.testcase_path,
test_repo.fuzz_target, build_data)
def test_bisect(self):
"""Test the bisect method on example projects."""
for test_repo in test_repos.TEST_REPOS:
if test_repo.new_commit:
build_data = build_specified_commit.BuildData(
project_name=test_repo.project_name,
engine='libfuzzer',
sanitizer='address',
architecture='x86_64')
result = bisector.bisect(self.BISECT_TYPE, test_repo.old_commit,
test_repo.new_commit, test_repo.testcase_path,
test_repo.fuzz_target, build_data)
self.assertEqual(result.commit, test_repo.intro_commit)
if __name__ == '__main__':
# Change to oss-fuzz main directory so helper.py runs correctly.
if os.getcwd() != os.path.dirname(TEST_DIR_PATH):
os.chdir(os.path.dirname(TEST_DIR_PATH))
unittest.main()
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