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import unittest
import unittest.mock
import ensurepip
import test.support
import os
import os.path
import contextlib
import sys
class TestEnsurePipVersion(unittest.TestCase):
def test_returns_version(self):
self.assertEqual(ensurepip._PIP_VERSION, ensurepip.version())
class TestBootstrap(unittest.TestCase):
def setUp(self):
run_pip_patch = unittest.mock.patch("ensurepip._run_pip")
self.run_pip = run_pip_patch.start()
self.addCleanup(run_pip_patch.stop)
# Avoid side effects on the actual os module
os_patch = unittest.mock.patch("ensurepip.os")
patched_os = os_patch.start()
self.addCleanup(os_patch.stop)
patched_os.path = os.path
self.os_environ = patched_os.environ = os.environ.copy()
def test_basic_bootstrapping(self):
ensurepip.bootstrap()
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "setuptools", "pip",
],
unittest.mock.ANY,
)
additional_paths = self.run_pip.call_args[0][1]
self.assertEqual(len(additional_paths), 2)
def test_bootstrapping_with_root(self):
ensurepip.bootstrap(root="/foo/bar/")
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "--root", "/foo/bar/",
"setuptools", "pip",
],
unittest.mock.ANY,
)
def test_bootstrapping_with_user(self):
ensurepip.bootstrap(user=True)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "--user", "setuptools", "pip",
],
unittest.mock.ANY,
)
def test_bootstrapping_with_upgrade(self):
ensurepip.bootstrap(upgrade=True)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "--upgrade", "setuptools", "pip",
],
unittest.mock.ANY,
)
def test_bootstrapping_with_verbosity_1(self):
ensurepip.bootstrap(verbosity=1)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "-v", "setuptools", "pip",
],
unittest.mock.ANY,
)
def test_bootstrapping_with_verbosity_2(self):
ensurepip.bootstrap(verbosity=2)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "-vv", "setuptools", "pip",
],
unittest.mock.ANY,
)
def test_bootstrapping_with_verbosity_3(self):
ensurepip.bootstrap(verbosity=3)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
unittest.mock.ANY, "--pre", "-vvv", "setuptools", "pip",
],
unittest.mock.ANY,
)
def test_bootstrapping_with_regular_install(self):
ensurepip.bootstrap()
self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "install")
def test_bootstrapping_with_alt_install(self):
ensurepip.bootstrap(altinstall=True)
self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "altinstall")
def test_bootstrapping_with_default_pip(self):
ensurepip.bootstrap(default_pip=True)
self.assertNotIn("ENSUREPIP_OPTIONS", self.os_environ)
def test_altinstall_default_pip_conflict(self):
with self.assertRaises(ValueError):
ensurepip.bootstrap(altinstall=True, default_pip=True)
self.run_pip.assert_not_called()
def test_pip_environment_variables_removed(self):
# ensurepip deliberately ignores all pip environment variables
# See http://bugs.python.org/issue19734 for details
self.os_environ["PIP_THIS_SHOULD_GO_AWAY"] = "test fodder"
ensurepip.bootstrap()
self.assertNotIn("PIP_THIS_SHOULD_GO_AWAY", self.os_environ)
@contextlib.contextmanager
def fake_pip(version=ensurepip._PIP_VERSION):
if version is None:
pip = None
else:
class FakePip():
__version__ = version
pip = FakePip()
sentinel = object()
orig_pip = sys.modules.get("pip", sentinel)
sys.modules["pip"] = pip
try:
yield pip
finally:
if orig_pip is sentinel:
del sys.modules["pip"]
else:
sys.modules["pip"] = orig_pip
class TestUninstall(unittest.TestCase):
def setUp(self):
run_pip_patch = unittest.mock.patch("ensurepip._run_pip")
self.run_pip = run_pip_patch.start()
self.addCleanup(run_pip_patch.stop)
def test_uninstall_skipped_when_not_installed(self):
with fake_pip(None):
ensurepip._uninstall()
self.run_pip.assert_not_called()
def test_uninstall_fails_with_wrong_version(self):
with fake_pip("not a valid version"):
with self.assertRaises(RuntimeError):
ensurepip._uninstall()
self.run_pip.assert_not_called()
def test_uninstall(self):
with fake_pip():
ensurepip._uninstall()
self.run_pip.assert_called_once_with(
["uninstall", "-y", "pip", "setuptools"]
)
def test_uninstall_with_verbosity_1(self):
with fake_pip():
ensurepip._uninstall(verbosity=1)
self.run_pip.assert_called_once_with(
["uninstall", "-y", "-v", "pip", "setuptools"]
)
def test_uninstall_with_verbosity_2(self):
with fake_pip():
ensurepip._uninstall(verbosity=2)
self.run_pip.assert_called_once_with(
["uninstall", "-y", "-vv", "pip", "setuptools"]
)
def test_uninstall_with_verbosity_3(self):
with fake_pip():
ensurepip._uninstall(verbosity=3)
self.run_pip.assert_called_once_with(
["uninstall", "-y", "-vvv", "pip", "setuptools"]
)
if __name__ == "__main__":
test.support.run_unittest(__name__)
|
