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Merge pull request #2315 from pypa/feature/417-tests
Add tests capturing expected distutils behavior.
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import os | ||
import sys | ||
import functools | ||
import subprocess | ||
import platform | ||
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import pytest | ||
import jaraco.envs | ||
import path | ||
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class VirtualEnv(jaraco.envs.VirtualEnv): | ||
name = '.env' | ||
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def run(self, cmd, *args, **kwargs): | ||
cmd = [self.exe(cmd[0])] + cmd[1:] | ||
return subprocess.check_output(cmd, *args, cwd=self.root, **kwargs) | ||
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@pytest.fixture | ||
def venv(tmpdir): | ||
env = VirtualEnv() | ||
env.root = path.Path(tmpdir) | ||
env.req = os.getcwd() | ||
return env.create() | ||
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def popen_text(call): | ||
""" | ||
Augment the Popen call with the parameters to ensure unicode text. | ||
""" | ||
return functools.partial(call, universal_newlines=True) \ | ||
if sys.version_info < (3, 7) else functools.partial(call, text=True) | ||
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def find_distutils(venv, imports='distutils', env=None, **kwargs): | ||
py_cmd = 'import {imports}; print(distutils.__file__)'.format(**locals()) | ||
cmd = ['python', '-c', py_cmd] | ||
if platform.system() == 'Windows': | ||
env['SYSTEMROOT'] = os.environ['SYSTEMROOT'] | ||
return popen_text(venv.run)(cmd, env=env, **kwargs) | ||
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def test_distutils_stdlib(venv): | ||
""" | ||
Ensure stdlib distutils is used when appropriate. | ||
""" | ||
assert venv.name not in find_distutils(venv, env=dict()).split(os.sep) | ||
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def test_distutils_local_with_setuptools(venv): | ||
""" | ||
Ensure local distutils is used when appropriate. | ||
""" | ||
env = dict(SETUPTOOLS_USE_DISTUTILS='local') | ||
loc = find_distutils(venv, imports='setuptools, distutils', env=env) | ||
assert venv.name in loc.split(os.sep) | ||
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@pytest.mark.xfail(reason="#2259") | ||
def test_distutils_local(venv): | ||
env = dict(SETUPTOOLS_USE_DISTUTILS='local') | ||
assert venv.name in find_distutils(venv, env=env).split(os.sep) |