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pip/tests/functional/test_install_cleanup.py

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import os
from os.path import exists
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import pytest
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from pip._internal.cli.status_codes import PREVIOUS_BUILD_DIR_ERROR
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@pytest.mark.network
def test_no_clean_option_blocks_cleaning_after_install(script, data):
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"""
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Test --no-clean option blocks cleaning after install
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"""
build = script.base_path / 'pip-build'
script.pip(
'install', '--no-clean', '--no-index', '--build', build,
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'--find-links={}'.format(data.find_links), 'simple',
expect_temp=True,
# TODO: allow_stderr_warning is used for the --build deprecation,
# remove it when removing support for --build
allow_stderr_warning=True,
)
assert exists(build)
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@pytest.mark.network
def test_cleanup_prevented_upon_build_dir_exception(
script,
data,
use_new_resolver,
):
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"""
Test no cleanup occurs after a PreviousBuildDirError
"""
build = script.venv_path / 'build'
build_simple = build / 'simple'
os.makedirs(build_simple)
build_simple.joinpath("setup.py").write_text("#")
result = script.pip(
'install', '-f', data.find_links, '--no-index', 'simple',
'--build', build,
expect_error=(not use_new_resolver),
expect_temp=(not use_new_resolver),
expect_stderr=True,
)
assert (
"The -b/--build/--build-dir/--build-directory "
"option is deprecated."
) in result.stderr
if not use_new_resolver:
assert result.returncode == PREVIOUS_BUILD_DIR_ERROR, str(result)
assert "pip can't proceed" in result.stderr, str(result)
assert exists(build_simple), str(result)
@pytest.mark.network
def test_pep517_no_legacy_cleanup(script, data, with_wheel):
"""Test a PEP 517 failed build does not attempt a legacy cleanup"""
to_install = data.packages.joinpath('pep517_wrapper_buildsys')
script.environ["PIP_TEST_FAIL_BUILD_WHEEL"] = "1"
res = script.pip(
'install', '-f', data.find_links, to_install,
expect_error=True
)
# Must not have built the package
expected = "Failed building wheel for pep517-wrapper-buildsys"
assert expected in str(res)
# Must not have attempted legacy cleanup
assert "setup.py clean" not in str(res)