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import glob
import os
from pytest import yield_fixture
from pytest_fixture_config import yield_requires_config
import pytest_virtualenv
@yield_requires_config(pytest_virtualenv.CONFIG, ['virtualenv_executable'])
@yield_fixture(scope='function')
def bare_virtualenv():
""" Bare virtualenv (no pip/setuptools/wheel).
"""
with pytest_virtualenv.VirtualEnv(args=(
'--no-wheel',
'--no-pip',
'--no-setuptools',
)) as venv:
yield venv
SOURCE_DIR = os.path.join(os.path.dirname(__file__), '../..')
def test_clean_env_install(bare_virtualenv):
"""
Check setuptools can be installed in a clean environment.
"""
bare_virtualenv.run(' && '.join((
'cd {source}',
'python setup.py install',
)).format(source=SOURCE_DIR))
def test_pip_upgrade_from_source(virtualenv):
"""
Check pip can upgrade setuptools from source.
"""
dist_dir = virtualenv.workspace
# Generate source distribution / wheel.
virtualenv.run(' && '.join((
'cd {source}',
'python setup.py -q sdist -d {dist}',
'python setup.py -q bdist_wheel -d {dist}',
)).format(source=SOURCE_DIR, dist=dist_dir))
sdist = glob.glob(os.path.join(dist_dir, '*.zip'))[0]
wheel = glob.glob(os.path.join(dist_dir, '*.whl'))[0]
# Then update from wheel.
virtualenv.run('pip install ' + wheel)
# And finally try to upgrade from source.
virtualenv.run('pip install --no-cache-dir --upgrade ' + sdist)
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