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"""
integration tests that check setuptools version support
"""
import sys
import os
import subprocess
import pytest
pytestmark = [
pytest.mark.skipif(
"sys.version_info >= (3,6,0)",
reason="integration with old versions no longer needed on py3.6+",
),
pytest.mark.xfail(
sys.platform == "win32", reason="path behaves unexpected on windows ci"
),
]
@pytest.fixture(scope="session")
def get_setuptools_packagedir(request):
targets = request.config.cache.makedir("setuptools_installs")
def makeinstall(version):
target = targets.ensure(version, dir=1)
subprocess.check_call(
[
sys.executable,
"-m",
"pip",
"install",
"--no-binary",
"setuptools",
"setuptools==" + version,
"-t",
str(target),
]
)
return target
return makeinstall
SCRIPT = """
from __future__ import print_function
import sys
import setuptools
print(setuptools.__version__, 'expected', sys.argv[1])
import setuptools_scm.version
from setuptools_scm.__main__ import main
main()
"""
def check(packagedir, expected_version, **env):
old_pythonpath = os.environ.get("PYTHONPATH")
if old_pythonpath:
pythonpath = "{}:{}".format(old_pythonpath, packagedir)
else:
pythonpath = str(packagedir)
subprocess.check_call(
[sys.executable, "-c", SCRIPT, expected_version],
env=dict(os.environ, PYTHONPATH=pythonpath, **env),
)
def test_old_setuptools_fails(get_setuptools_packagedir):
packagedir = get_setuptools_packagedir("0.9.8")
with pytest.raises(subprocess.CalledProcessError):
check(packagedir, "0.9.8")
def test_old_setuptools_allows_with_warnings(get_setuptools_packagedir):
packagedir = get_setuptools_packagedir("0.9.8")
# filter using warning since in the early python startup
check(packagedir, "0.9.8", PYTHONWARNINGS="once::Warning")
def test_distlib_setuptools_works(get_setuptools_packagedir):
packagedir = get_setuptools_packagedir("12.0.1")
check(packagedir, "12.0.1")
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