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"""Run some integration tests.
Try to install a few packages.
"""
import glob
import os
import shutil
import site
import sys
import tempfile
import pytest
from setuptools.command.easy_install import easy_install
from setuptools.command import easy_install as easy_install_pkg
from setuptools.dist import Distribution
@pytest.fixture
def install_context(request):
"""Fixture to set up temporary installation directory.
"""
# Save old values so we can restore them.
new_cwd = tempfile.mkdtemp()
old_cwd = os.getcwd()
old_enable_site = site.ENABLE_USER_SITE
old_file = easy_install_pkg.__file__
old_base = site.USER_BASE
old_site = site.USER_SITE
old_ppath = os.environ.get('PYTHONPATH')
def fin():
os.chdir(old_cwd)
shutil.rmtree(new_cwd)
shutil.rmtree(site.USER_BASE)
shutil.rmtree(site.USER_SITE)
site.USER_BASE = old_base
site.USER_SITE = old_site
site.ENABLE_USER_SITE = old_enable_site
easy_install_pkg.__file__ = old_file
os.environ['PYTHONPATH'] = old_ppath or ''
request.addfinalizer(fin)
# Change the environment and site settings to control where the
# files are installed and ensure we do not overwrite anything.
site.USER_BASE = tempfile.mkdtemp()
site.USER_SITE = tempfile.mkdtemp()
easy_install_pkg.__file__ = site.USER_SITE
os.chdir(new_cwd)
install_dir = tempfile.mkdtemp()
sys.path.append(install_dir)
os.environ['PYTHONPATH'] = os.path.pathsep.join(sys.path)
# Set up the command for performing the installation.
dist = Distribution()
cmd = easy_install(dist)
cmd.install_dir = install_dir
return cmd
def _install_one(requirement, cmd, pkgname, modulename):
cmd.args = [requirement]
cmd.ensure_finalized()
cmd.run()
target = cmd.install_dir
dest_path = glob.glob(os.path.join(target, pkgname + '*.egg'))
assert dest_path
assert os.path.exists(os.path.join(dest_path[0], pkgname, modulename))
def test_stevedore(install_context):
_install_one('stevedore', install_context,
'stevedore', 'extension.py')
@pytest.mark.xfail
def test_virtualenvwrapper(install_context):
_install_one('virtualenvwrapper', install_context,
'virtualenvwrapper', 'hook_loader.py')
@pytest.mark.xfail
def test_pbr(install_context):
_install_one('pbr', install_context,
'pbr', 'core.py')
@pytest.mark.xfail
def test_python_novaclient(install_context):
_install_one('python-novaclient', install_context,
'novaclient', 'base.py')
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