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# __init__.py -- The tests for dulwich
# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# of the License or (at your option) any later version of
# the License.
#
# This program 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; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
"""Tests for Dulwich."""
import doctest
import os
import shutil
import subprocess
import sys
import tempfile
# If Python itself provides an exception, use that
import unittest
if sys.version_info < (2, 7):
from unittest2 import SkipTest, TestCase as _TestCase, skipIf
else:
from unittest import SkipTest, TestCase as _TestCase, skipIf
def get_safe_env(env=None):
"""Returns the environment "env" (or a copy of "os.environ" by default)
modified to avoid side-effects caused by user's ~/.gitconfig"""
if env is None:
env = os.environ.copy()
# On Windows it's not enough to set "HOME" to a non-existing
# directory. Git.cmd takes the first existing directory out of
# "%HOME%", "%HOMEDRIVE%%HOMEPATH%" and "%USERPROFILE%".
for e in 'HOME', 'HOMEPATH', 'USERPROFILE':
env[e] = '/nosuchdir'
return env
class TestCase(_TestCase):
def makeSafeEnv(self):
"""Create environment with homedirectory-related variables stripped.
Modifies os.environ for the duration of a test case to avoid
side-effects caused by the user's ~/.gitconfig and other
files in their home directory.
"""
old_env = os.environ
def restore():
os.environ = old_env
self.addCleanup(restore)
new_env = dict(os.environ)
for e in ['HOME', 'HOMEPATH', 'USERPROFILE']:
new_env[e] = '/nosuchdir'
os.environ = new_env
def setUp(self):
super(TestCase, self).setUp()
self.makeSafeEnv()
class BlackboxTestCase(TestCase):
"""Blackbox testing."""
bin_directory = os.path.abspath(os.path.join(os.path.dirname(__file__),
"..", "..", "bin"))
def bin_path(self, name):
"""Determine the full path of a binary.
:param name: Name of the script
:return: Full path
"""
return os.path.join(self.bin_directory, name)
def run_command(self, name, args):
"""Run a Dulwich command.
:param name: Name of the command, as it exists in bin/
:param args: Arguments to the command
"""
env = dict(os.environ)
env["PYTHONPATH"] = os.pathsep.join(sys.path)
# Since they don't have any extensions, Windows can't recognize
# executablility of the Python files in /bin. Even then, we'd have to
# expect the user to set up file associations for .py files.
#
# Save us from all that headache and call python with the bin script.
argv = [sys.executable, self.bin_path(name)] + args
return subprocess.Popen(argv,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE, stderr=subprocess.PIPE,
env=env)
def self_test_suite():
names = [
'blackbox',
'client',
'config',
'diff_tree',
'fastexport',
'file',
'grafts',
'greenthreads',
'hooks',
'index',
'lru_cache',
'objects',
'objectspec',
'object_store',
'missing_obj_finder',
'pack',
'patch',
'porcelain',
'protocol',
'refs',
'repository',
'server',
'walk',
'web',
]
module_names = ['dulwich.tests.test_' + name for name in names]
loader = unittest.TestLoader()
return loader.loadTestsFromNames(module_names)
def tutorial_test_suite():
tutorial = [
'introduction',
'file-format',
'repo',
'object-store',
'remote',
'conclusion',
]
tutorial_files = ["../../docs/tutorial/%s.txt" % name for name in tutorial]
def setup(test):
test.__old_cwd = os.getcwd()
test.__dulwich_tempdir = tempfile.mkdtemp()
os.chdir(test.__dulwich_tempdir)
def teardown(test):
os.chdir(test.__old_cwd)
shutil.rmtree(test.__dulwich_tempdir)
return doctest.DocFileSuite(setUp=setup, tearDown=teardown,
*tutorial_files)
def nocompat_test_suite():
result = unittest.TestSuite()
result.addTests(self_test_suite())
from dulwich.contrib import test_suite as contrib_test_suite
result.addTests(tutorial_test_suite())
result.addTests(contrib_test_suite())
return result
def compat_test_suite():
result = unittest.TestSuite()
from dulwich.tests.compat import test_suite as compat_test_suite
result.addTests(compat_test_suite())
return result
def test_suite():
result = unittest.TestSuite()
result.addTests(self_test_suite())
if sys.version_info[0] == 2:
result.addTests(tutorial_test_suite())
from dulwich.tests.compat import test_suite as compat_test_suite
result.addTests(compat_test_suite())
from dulwich.contrib import test_suite as contrib_test_suite
result.addTests(contrib_test_suite())
return result

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