lib-python.2.7.test.test_ensurepip.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
import unittest
import os
import os.path
import contextlib
import sys
import test._mock_backport as mock
import test.test_support
import ensurepip
import ensurepip._uninstall
# pip currently requires ssl support, so we ensure we handle
# it being missing (http://bugs.python.org/issue19744)
ensurepip_no_ssl = test.test_support.import_fresh_module("ensurepip",
blocked=["ssl"])
try:
import ssl
except ImportError:
ssl = None
def requires_usable_pip(f):
deco = unittest.skip(ensurepip._MISSING_SSL_MESSAGE)
return deco(f)
else:
def requires_usable_pip(f):
return f
class TestEnsurePipVersion(unittest.TestCase):
def test_returns_version(self):
self.assertEqual(ensurepip._PIP_VERSION, ensurepip.version())
class EnsurepipMixin:
def setUp(self):
run_pip_patch = 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
real_devnull = os.devnull
os_patch = mock.patch("ensurepip.os")
patched_os = os_patch.start()
self.addCleanup(os_patch.stop)
patched_os.devnull = real_devnull
patched_os.path = os.path
self.os_environ = patched_os.environ = os.environ.copy()
class TestBootstrap(EnsurepipMixin, unittest.TestCase):
@requires_usable_pip
def test_basic_bootstrapping(self):
ensurepip.bootstrap()
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "setuptools", "pip",
],
mock.ANY,
)
additional_paths = self.run_pip.call_args[0][1]
self.assertEqual(len(additional_paths), 2)
@requires_usable_pip
def test_bootstrapping_with_root(self):
ensurepip.bootstrap(root="/foo/bar/")
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "--root", "/foo/bar/",
"setuptools", "pip",
],
mock.ANY,
)
@requires_usable_pip
def test_bootstrapping_with_user(self):
ensurepip.bootstrap(user=True)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "--user", "setuptools", "pip",
],
mock.ANY,
)
@requires_usable_pip
def test_bootstrapping_with_upgrade(self):
ensurepip.bootstrap(upgrade=True)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "--upgrade", "setuptools", "pip",
],
mock.ANY,
)
@requires_usable_pip
def test_bootstrapping_with_verbosity_1(self):
ensurepip.bootstrap(verbosity=1)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "-v", "setuptools", "pip",
],
mock.ANY,
)
@requires_usable_pip
def test_bootstrapping_with_verbosity_2(self):
ensurepip.bootstrap(verbosity=2)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "-vv", "setuptools", "pip",
],
mock.ANY,
)
@requires_usable_pip
def test_bootstrapping_with_verbosity_3(self):
ensurepip.bootstrap(verbosity=3)
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "-vvv", "setuptools", "pip",
],
mock.ANY,
)
@requires_usable_pip
def test_bootstrapping_with_regular_install(self):
ensurepip.bootstrap()
self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "install")
@requires_usable_pip
def test_bootstrapping_with_alt_install(self):
ensurepip.bootstrap(altinstall=True)
self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "altinstall")
@requires_usable_pip
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.assertFalse(self.run_pip.called)
@requires_usable_pip
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)
@requires_usable_pip
def test_pip_config_file_disabled(self):
# ensurepip deliberately ignores the pip config file
# See http://bugs.python.org/issue20053 for details
ensurepip.bootstrap()
self.assertEqual(self.os_environ["PIP_CONFIG_FILE"], os.devnull)
@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(EnsurepipMixin, unittest.TestCase):
def test_uninstall_skipped_when_not_installed(self):
with fake_pip(None):
ensurepip._uninstall_helper()
self.assertFalse(self.run_pip.called)
def test_uninstall_skipped_with_warning_for_wrong_version(self):
with fake_pip("not a valid version"):
with test.test_support.captured_stderr() as stderr:
ensurepip._uninstall_helper()
warning = stderr.getvalue().strip()
self.assertIn("only uninstall a matching version", warning)
self.assertFalse(self.run_pip.called)
@requires_usable_pip
def test_uninstall(self):
with fake_pip():
ensurepip._uninstall_helper()
self.run_pip.assert_called_once_with(
["uninstall", "-y", "pip", "setuptools"]
)
@requires_usable_pip
def test_uninstall_with_verbosity_1(self):
with fake_pip():
ensurepip._uninstall_helper(verbosity=1)
self.run_pip.assert_called_once_with(
["uninstall", "-y", "-v", "pip", "setuptools"]
)
@requires_usable_pip
def test_uninstall_with_verbosity_2(self):
with fake_pip():
ensurepip._uninstall_helper(verbosity=2)
self.run_pip.assert_called_once_with(
["uninstall", "-y", "-vv", "pip", "setuptools"]
)
@requires_usable_pip
def test_uninstall_with_verbosity_3(self):
with fake_pip():
ensurepip._uninstall_helper(verbosity=3)
self.run_pip.assert_called_once_with(
["uninstall", "-y", "-vvv", "pip", "setuptools"]
)
@requires_usable_pip
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"
with fake_pip():
ensurepip._uninstall_helper()
self.assertNotIn("PIP_THIS_SHOULD_GO_AWAY", self.os_environ)
@requires_usable_pip
def test_pip_config_file_disabled(self):
# ensurepip deliberately ignores the pip config file
# See http://bugs.python.org/issue20053 for details
with fake_pip():
ensurepip._uninstall_helper()
self.assertEqual(self.os_environ["PIP_CONFIG_FILE"], os.devnull)
class TestMissingSSL(EnsurepipMixin, unittest.TestCase):
def setUp(self):
sys.modules["ensurepip"] = ensurepip_no_ssl
@self.addCleanup
def restore_module():
sys.modules["ensurepip"] = ensurepip
super(TestMissingSSL, self).setUp()
def test_bootstrap_requires_ssl(self):
self.os_environ["PIP_THIS_SHOULD_STAY"] = "test fodder"
with self.assertRaisesRegexp(RuntimeError, "requires SSL/TLS"):
ensurepip_no_ssl.bootstrap()
self.assertFalse(self.run_pip.called)
self.assertIn("PIP_THIS_SHOULD_STAY", self.os_environ)
def test_uninstall_requires_ssl(self):
self.os_environ["PIP_THIS_SHOULD_STAY"] = "test fodder"
with self.assertRaisesRegexp(RuntimeError, "requires SSL/TLS"):
with fake_pip():
ensurepip_no_ssl._uninstall_helper()
self.assertFalse(self.run_pip.called)
self.assertIn("PIP_THIS_SHOULD_STAY", self.os_environ)
def test_main_exits_early_with_warning(self):
with test.test_support.captured_stderr() as stderr:
ensurepip_no_ssl._main(["--version"])
warning = stderr.getvalue().strip()
self.assertTrue(warning.endswith("requires SSL/TLS"), warning)
self.assertFalse(self.run_pip.called)
# Basic testing of the main functions and their argument parsing
EXPECTED_VERSION_OUTPUT = "pip " + ensurepip._PIP_VERSION
class TestBootstrappingMainFunction(EnsurepipMixin, unittest.TestCase):
@requires_usable_pip
def test_bootstrap_version(self):
with test.test_support.captured_stderr() as stderr:
with self.assertRaises(SystemExit):
ensurepip._main(["--version"])
result = stderr.getvalue().strip()
self.assertEqual(result, EXPECTED_VERSION_OUTPUT)
self.assertFalse(self.run_pip.called)
@requires_usable_pip
def test_basic_bootstrapping(self):
ensurepip._main([])
self.run_pip.assert_called_once_with(
[
"install", "--no-index", "--find-links",
mock.ANY, "setuptools", "pip",
],
mock.ANY,
)
additional_paths = self.run_pip.call_args[0][1]
self.assertEqual(len(additional_paths), 2)
class TestUninstallationMainFunction(EnsurepipMixin, unittest.TestCase):
def test_uninstall_version(self):
with test.test_support.captured_stderr() as stderr:
with self.assertRaises(SystemExit):
ensurepip._uninstall._main(["--version"])
result = stderr.getvalue().strip()
self.assertEqual(result, EXPECTED_VERSION_OUTPUT)
self.assertFalse(self.run_pip.called)
@requires_usable_pip
def test_basic_uninstall(self):
with fake_pip():
ensurepip._uninstall._main([])
self.run_pip.assert_called_once_with(
["uninstall", "-y", "pip", "setuptools"]
)
if __name__ == "__main__":
test.test_support.run_unittest(__name__)