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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 permissions and
# limitations under the License.
"""Test the functionality of the detect_repo module.
The will consist of the following functional test
1. Determine if a OSS-Fuzz projects main repo can be accurately deduce
from example commits.
"""
import os
import re
import sys
import tempfile
import unittest
import detect_repo
# Appending to path for access to repo_manager module.
sys.path.append(
os.path.dirname(
os.path.dirname(os.path.dirname(os.path.realpath(__file__)))))
import repo_manager
class DetectRepoTest(unittest.TestCase):
"""Class to test the functionality of the detect_repo module."""
def test_infer_main_repo(self):
"""Tests that the main repo can be inferred based on an example commit."""
with tempfile.TemporaryDirectory() as tmp_dir:
# Construct example repo's to check for commits.
repo_manager.RepoManager('https://github.com/curl/curl.git', tmp_dir)
repo_manager.RepoManager('https://github.com/weinrank/usrsctp', tmp_dir)
repo_manager.RepoManager('https://github.com/ntop/nDPI.git', tmp_dir)
repo_manager.RepoManager('https://github.com/libarchive/libarchive.git',
tmp_dir)
self.check_commit_with_repo('https://github.com/curl/curl.git', 'curl',
'bc5d22c3dede2f04870c37aec9a50474c4b888ad',
tmp_dir)
self.check_commit_with_repo('https://github.com/weinrank/usrsctp',
'usrsctp',
'4886aaa49fb90e479226fcfc3241d74208908232',
tmp_dir)
self.check_commit_with_repo('https://github.com/ntop/nDPI.git', 'nDPI',
'c4d476cc583a2ef1e9814134efa4fbf484564ed7',
tmp_dir)
self.check_commit_with_repo(
'https://github.com/libarchive/libarchive.git', 'libarchive',
'458e49358f17ec58d65ab1c45cf299baaf3c98d1', tmp_dir)
self.check_commit_with_repo(None, None,
'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', tmp_dir)
def check_commit_with_repo(self, repo_origin, repo_name, commit, tmp_dir):
"""Checks the detect repo's main method for a specific set of inputs.
Args:
repo_origin: The location of where the git repo is stored
repo_name: The name of the directory it is cloned to
commit: The commit that should be used to look up the repo
tmp_dir: The location of the directory of git repos to be searched
"""
command = [
'python3', 'detect_repo.py', '--src_dir', tmp_dir, '--example_commit',
commit
]
out, _ = detect_repo.execute(
command, location=os.path.dirname(os.path.realpath(__file__)))
match = re.search(r'\bDetected repo: ([^ ]+) ([^ ]+)', out.rstrip())
if match and match.group(1) and match.group(2):
self.assertEqual(match.group(1), repo_origin)
self.assertEqual(match.group(2), repo_name)
if __name__ == '__main__':
unittest.main()
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