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"""Run some integration tests.
Try to install a few packages.
"""
import glob
import os
import sys
import re
import subprocess
import functools
import tarfile
import zipfile
from setuptools.extern.six.moves import urllib
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
def setup_module(module):
packages = 'stevedore', 'virtualenvwrapper', 'pbr', 'novaclient'
for pkg in packages:
try:
__import__(pkg)
tmpl = "Integration tests cannot run when {pkg} is installed"
pytest.skip(tmpl.format(**locals()))
except ImportError:
pass
try:
urllib.request.urlopen('https://pypi.python.org/pypi')
except Exception as exc:
pytest.skip(str(exc))
@pytest.fixture
def install_context(request, tmpdir, monkeypatch):
"""Fixture to set up temporary installation directory.
"""
# Save old values so we can restore them.
new_cwd = tmpdir.mkdir('cwd')
user_base = tmpdir.mkdir('user_base')
user_site = tmpdir.mkdir('user_site')
install_dir = tmpdir.mkdir('install_dir')
def fin():
# undo the monkeypatch, particularly needed under
# windows because of kept handle on cwd
monkeypatch.undo()
new_cwd.remove()
user_base.remove()
user_site.remove()
install_dir.remove()
request.addfinalizer(fin)
# Change the environment and site settings to control where the
# files are installed and ensure we do not overwrite anything.
monkeypatch.chdir(new_cwd)
monkeypatch.setattr(easy_install_pkg, '__file__', user_site.strpath)
monkeypatch.setattr('site.USER_BASE', user_base.strpath)
monkeypatch.setattr('site.USER_SITE', user_site.strpath)
monkeypatch.setattr('sys.path', sys.path + [install_dir.strpath])
monkeypatch.setenv(str('PYTHONPATH'), str(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.strpath
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')
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')
def test_pyuri(install_context):
"""
Install the pyuri package (version 0.3.1 at the time of writing).
This is also a regression test for issue #1016.
"""
_install_one('pyuri', install_context, 'pyuri', 'uri.py')
pyuri = install_context.installed_projects['pyuri']
# The package data should be installed.
assert os.path.exists(os.path.join(pyuri.location, 'pyuri', 'uri.regex'))
build_deps = ['appdirs', 'packaging', 'pyparsing', 'six']
@pytest.mark.parametrize("build_dep", build_deps)
@pytest.mark.skipif(
sys.version_info < (3, 6), reason='run only on late versions')
def test_build_deps_on_distutils(request, tmpdir_factory, build_dep):
"""
All setuptools build dependencies must build without
setuptools.
"""
if 'pyparsing' in build_dep:
pytest.xfail(reason="Project imports setuptools unconditionally")
build_target = tmpdir_factory.mktemp('source')
build_dir = download_and_extract(request, build_dep, build_target)
install_target = tmpdir_factory.mktemp('target')
output = install(build_dir, install_target)
for line in output.splitlines():
match = re.search('Unknown distribution option: (.*)', line)
allowed_unknowns = [
'test_suite',
'tests_require',
'python_requires',
'install_requires',
'long_description_content_type',
]
assert not match or match.group(1).strip('"\'') in allowed_unknowns
def install(pkg_dir, install_dir):
with open(os.path.join(pkg_dir, 'setuptools.py'), 'w') as breaker:
breaker.write('raise ImportError()')
cmd = [sys.executable, 'setup.py', 'install', '--prefix', str(install_dir)]
env = dict(os.environ, PYTHONPATH=str(pkg_dir))
output = subprocess.check_output(
cmd, cwd=pkg_dir, env=env, stderr=subprocess.STDOUT)
return output.decode('utf-8')
def download_and_extract(request, req, target):
cmd = [
sys.executable, '-m', 'pip', 'download', '--no-deps',
'--no-binary', ':all:', req,
]
output = subprocess.check_output(cmd, encoding='utf-8')
filename = re.search('Saved (.*)', output).group(1)
request.addfinalizer(functools.partial(os.remove, filename))
opener = zipfile.ZipFile if filename.endswith('.zip') else tarfile.open
with opener(filename) as archive:
archive.extractall(target)
return os.path.join(target, os.listdir(target)[0])
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