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362 lines
12 KiB
362 lines
12 KiB
3 years ago
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import contextlib
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import os
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import os.path
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import sys
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import tempfile
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import test.support
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import unittest
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import unittest.mock
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import ensurepip
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import ensurepip._uninstall
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class TestPackages(unittest.TestCase):
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def touch(self, directory, filename):
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fullname = os.path.join(directory, filename)
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open(fullname, "wb").close()
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def test_version(self):
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# Test version()
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with tempfile.TemporaryDirectory() as tmpdir:
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self.touch(tmpdir, "pip-1.2.3b1-py2.py3-none-any.whl")
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self.touch(tmpdir, "setuptools-49.1.3-py3-none-any.whl")
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with (unittest.mock.patch.object(ensurepip, '_PACKAGES', None),
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unittest.mock.patch.object(ensurepip, '_WHEEL_PKG_DIR', tmpdir)):
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self.assertEqual(ensurepip.version(), '1.2.3b1')
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def test_get_packages_no_dir(self):
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# Test _get_packages() without a wheel package directory
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with (unittest.mock.patch.object(ensurepip, '_PACKAGES', None),
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unittest.mock.patch.object(ensurepip, '_WHEEL_PKG_DIR', None)):
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packages = ensurepip._get_packages()
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# when bundled wheel packages are used, we get _PIP_VERSION
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self.assertEqual(ensurepip._PIP_VERSION, ensurepip.version())
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# use bundled wheel packages
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self.assertIsNotNone(packages['pip'].wheel_name)
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self.assertIsNotNone(packages['setuptools'].wheel_name)
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def test_get_packages_with_dir(self):
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# Test _get_packages() with a wheel package directory
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setuptools_filename = "setuptools-49.1.3-py3-none-any.whl"
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pip_filename = "pip-20.2.2-py2.py3-none-any.whl"
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with tempfile.TemporaryDirectory() as tmpdir:
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self.touch(tmpdir, setuptools_filename)
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self.touch(tmpdir, pip_filename)
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# not used, make sure that it's ignored
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self.touch(tmpdir, "wheel-0.34.2-py2.py3-none-any.whl")
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with (unittest.mock.patch.object(ensurepip, '_PACKAGES', None),
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unittest.mock.patch.object(ensurepip, '_WHEEL_PKG_DIR', tmpdir)):
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packages = ensurepip._get_packages()
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self.assertEqual(packages['setuptools'].version, '49.1.3')
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self.assertEqual(packages['setuptools'].wheel_path,
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os.path.join(tmpdir, setuptools_filename))
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self.assertEqual(packages['pip'].version, '20.2.2')
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self.assertEqual(packages['pip'].wheel_path,
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os.path.join(tmpdir, pip_filename))
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# wheel package is ignored
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self.assertEqual(sorted(packages), ['pip', 'setuptools'])
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class EnsurepipMixin:
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def setUp(self):
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run_pip_patch = unittest.mock.patch("ensurepip._run_pip")
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self.run_pip = run_pip_patch.start()
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self.run_pip.return_value = 0
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self.addCleanup(run_pip_patch.stop)
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# Avoid side effects on the actual os module
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real_devnull = os.devnull
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os_patch = unittest.mock.patch("ensurepip.os")
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patched_os = os_patch.start()
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# But expose os.listdir() used by _find_packages()
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patched_os.listdir = os.listdir
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self.addCleanup(os_patch.stop)
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patched_os.devnull = real_devnull
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patched_os.path = os.path
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self.os_environ = patched_os.environ = os.environ.copy()
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class TestBootstrap(EnsurepipMixin, unittest.TestCase):
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def test_basic_bootstrapping(self):
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ensurepip.bootstrap()
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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additional_paths = self.run_pip.call_args[0][1]
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self.assertEqual(len(additional_paths), 2)
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def test_bootstrapping_with_root(self):
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ensurepip.bootstrap(root="/foo/bar/")
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "--root", "/foo/bar/",
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"setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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def test_bootstrapping_with_user(self):
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ensurepip.bootstrap(user=True)
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "--user", "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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def test_bootstrapping_with_upgrade(self):
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ensurepip.bootstrap(upgrade=True)
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "--upgrade", "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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def test_bootstrapping_with_verbosity_1(self):
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ensurepip.bootstrap(verbosity=1)
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "-v", "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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def test_bootstrapping_with_verbosity_2(self):
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ensurepip.bootstrap(verbosity=2)
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "-vv", "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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def test_bootstrapping_with_verbosity_3(self):
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ensurepip.bootstrap(verbosity=3)
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "-vvv", "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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def test_bootstrapping_with_regular_install(self):
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ensurepip.bootstrap()
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self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "install")
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def test_bootstrapping_with_alt_install(self):
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ensurepip.bootstrap(altinstall=True)
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self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "altinstall")
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def test_bootstrapping_with_default_pip(self):
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ensurepip.bootstrap(default_pip=True)
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self.assertNotIn("ENSUREPIP_OPTIONS", self.os_environ)
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def test_altinstall_default_pip_conflict(self):
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with self.assertRaises(ValueError):
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ensurepip.bootstrap(altinstall=True, default_pip=True)
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self.assertFalse(self.run_pip.called)
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def test_pip_environment_variables_removed(self):
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# ensurepip deliberately ignores all pip environment variables
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# See http://bugs.python.org/issue19734 for details
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self.os_environ["PIP_THIS_SHOULD_GO_AWAY"] = "test fodder"
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ensurepip.bootstrap()
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self.assertNotIn("PIP_THIS_SHOULD_GO_AWAY", self.os_environ)
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def test_pip_config_file_disabled(self):
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# ensurepip deliberately ignores the pip config file
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# See http://bugs.python.org/issue20053 for details
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ensurepip.bootstrap()
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self.assertEqual(self.os_environ["PIP_CONFIG_FILE"], os.devnull)
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@contextlib.contextmanager
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def fake_pip(version=ensurepip.version()):
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if version is None:
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pip = None
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else:
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class FakePip():
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__version__ = version
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pip = FakePip()
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sentinel = object()
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orig_pip = sys.modules.get("pip", sentinel)
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sys.modules["pip"] = pip
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try:
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yield pip
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finally:
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if orig_pip is sentinel:
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del sys.modules["pip"]
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else:
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sys.modules["pip"] = orig_pip
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class TestUninstall(EnsurepipMixin, unittest.TestCase):
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def test_uninstall_skipped_when_not_installed(self):
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with fake_pip(None):
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ensurepip._uninstall_helper()
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self.assertFalse(self.run_pip.called)
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def test_uninstall_skipped_with_warning_for_wrong_version(self):
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with fake_pip("not a valid version"):
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with test.support.captured_stderr() as stderr:
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ensurepip._uninstall_helper()
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warning = stderr.getvalue().strip()
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self.assertIn("only uninstall a matching version", warning)
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self.assertFalse(self.run_pip.called)
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def test_uninstall(self):
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with fake_pip():
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ensurepip._uninstall_helper()
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self.run_pip.assert_called_once_with(
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[
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"uninstall", "-y", "--disable-pip-version-check", "pip",
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"setuptools",
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]
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)
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def test_uninstall_with_verbosity_1(self):
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with fake_pip():
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ensurepip._uninstall_helper(verbosity=1)
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self.run_pip.assert_called_once_with(
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[
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"uninstall", "-y", "--disable-pip-version-check", "-v", "pip",
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"setuptools",
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]
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)
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def test_uninstall_with_verbosity_2(self):
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with fake_pip():
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ensurepip._uninstall_helper(verbosity=2)
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self.run_pip.assert_called_once_with(
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[
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"uninstall", "-y", "--disable-pip-version-check", "-vv", "pip",
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"setuptools",
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]
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)
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def test_uninstall_with_verbosity_3(self):
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with fake_pip():
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ensurepip._uninstall_helper(verbosity=3)
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self.run_pip.assert_called_once_with(
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[
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"uninstall", "-y", "--disable-pip-version-check", "-vvv",
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"pip", "setuptools",
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]
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)
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def test_pip_environment_variables_removed(self):
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# ensurepip deliberately ignores all pip environment variables
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# See http://bugs.python.org/issue19734 for details
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self.os_environ["PIP_THIS_SHOULD_GO_AWAY"] = "test fodder"
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with fake_pip():
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ensurepip._uninstall_helper()
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self.assertNotIn("PIP_THIS_SHOULD_GO_AWAY", self.os_environ)
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def test_pip_config_file_disabled(self):
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# ensurepip deliberately ignores the pip config file
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# See http://bugs.python.org/issue20053 for details
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with fake_pip():
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ensurepip._uninstall_helper()
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self.assertEqual(self.os_environ["PIP_CONFIG_FILE"], os.devnull)
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# Basic testing of the main functions and their argument parsing
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EXPECTED_VERSION_OUTPUT = "pip " + ensurepip.version()
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class TestBootstrappingMainFunction(EnsurepipMixin, unittest.TestCase):
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def test_bootstrap_version(self):
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with test.support.captured_stdout() as stdout:
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with self.assertRaises(SystemExit):
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ensurepip._main(["--version"])
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result = stdout.getvalue().strip()
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self.assertEqual(result, EXPECTED_VERSION_OUTPUT)
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self.assertFalse(self.run_pip.called)
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def test_basic_bootstrapping(self):
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exit_code = ensurepip._main([])
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self.run_pip.assert_called_once_with(
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[
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"install", "--no-cache-dir", "--no-index", "--find-links",
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unittest.mock.ANY, "setuptools", "pip",
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],
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unittest.mock.ANY,
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)
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additional_paths = self.run_pip.call_args[0][1]
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self.assertEqual(len(additional_paths), 2)
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self.assertEqual(exit_code, 0)
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def test_bootstrapping_error_code(self):
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self.run_pip.return_value = 2
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exit_code = ensurepip._main([])
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self.assertEqual(exit_code, 2)
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class TestUninstallationMainFunction(EnsurepipMixin, unittest.TestCase):
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def test_uninstall_version(self):
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with test.support.captured_stdout() as stdout:
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with self.assertRaises(SystemExit):
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ensurepip._uninstall._main(["--version"])
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result = stdout.getvalue().strip()
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self.assertEqual(result, EXPECTED_VERSION_OUTPUT)
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self.assertFalse(self.run_pip.called)
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def test_basic_uninstall(self):
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with fake_pip():
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exit_code = ensurepip._uninstall._main([])
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self.run_pip.assert_called_once_with(
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[
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"uninstall", "-y", "--disable-pip-version-check", "pip",
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"setuptools",
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]
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)
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self.assertEqual(exit_code, 0)
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def test_uninstall_error_code(self):
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with fake_pip():
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self.run_pip.return_value = 2
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exit_code = ensurepip._uninstall._main([])
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self.assertEqual(exit_code, 2)
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if __name__ == "__main__":
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unittest.main()
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