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# Copyright 2010-2025 The pygit2 contributors
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
#
# In addition to the permissions in the GNU General Public License,
# the authors give you unlimited permission to link the compiled
# version of this file into combinations with other programs,
# and to distribute those combinations without any restriction
# coming from the use of this file. (The General Public License
# restrictions do apply in other respects; for example, they cover
# modification of the file, and distribution when not linked into
# a combined executable.)
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
# Standard library
import hashlib
from pathlib import Path
import shutil
import socket
import stat
import sys
import zipfile
# Requirements
import pytest
# Pygit2
import pygit2
requires_future_libgit2 = pytest.mark.xfail(
pygit2.LIBGIT2_VER < (2, 0, 0),
reason='This test may work with a future version of libgit2',
)
has_network = False
requires_network = pytest.mark.skipif(not has_network, reason='Requires network')
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
has_proxy = sock.connect_ex(('', 8888)) == 0
requires_proxy = pytest.mark.skipif(not has_proxy, reason='Requires proxy at port 8888')
requires_ssh = pytest.mark.skipif(
pygit2.enums.Feature.SSH not in pygit2.features, reason='Requires SSH'
)
is_pypy = '__pypy__' in sys.builtin_module_names
requires_refcount = pytest.mark.skipif(is_pypy, reason='skip refcounts checks in pypy')
fails_in_macos = pytest.mark.xfail(
sys.platform == 'darwin', reason='fails in macOS for an unknown reason'
)
def gen_blob_sha1(data):
# http://stackoverflow.com/questions/552659/assigning-git-sha1s-without-git
m = hashlib.sha1()
m.update(f'blob {len(data)}\0'.encode())
m.update(data)
return m.hexdigest()
def force_rm_handle(remove_path, path, excinfo):
path = Path(path)
path.chmod(path.stat().st_mode | stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH)
remove_path(path)
def rmtree(path):
"""In Windows a read-only file cannot be removed, and shutil.rmtree fails.
So we implement our own version of rmtree to address this issue.
"""
if Path(path).exists():
shutil.rmtree(path, onerror=force_rm_handle)
class TemporaryRepository:
def __init__(self, name, tmp_path):
self.name = name
self.tmp_path = tmp_path
def __enter__(self):
path = Path(__file__).parent / 'data' / self.name
temp_repo_path = Path(self.tmp_path) / path.stem
if path.suffix == '.zip':
with zipfile.ZipFile(path) as zipf:
zipf.extractall(self.tmp_path)
elif path.suffix == '.git':
shutil.copytree(path, temp_repo_path)
else:
raise ValueError(f'Unexpected {path.suffix} extension')
return temp_repo_path
def __exit__(self, exc_type, exc_value, traceback):
pass
def assertRaisesWithArg(exc_class, arg, func, *args, **kwargs):
with pytest.raises(exc_class) as excinfo:
func(*args, **kwargs)
assert excinfo.value.args == (arg,)
# Explicitly clear the Exception Info. Citing
# https://docs.pytest.org/en/latest/reference.html#pytest-raises:
#
# Clearing those references breaks a reference cycle
# (ExceptionInfo –> caught exception –> frame stack raising the exception
# –> current frame stack –> local variables –> ExceptionInfo) which makes
# Python keep all objects referenced from that cycle (including all local
# variables in the current frame) alive until the next cyclic garbage
# collection run. See the official Python try statement documentation for
# more detailed information.
del excinfo
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