import contextlib import os import os.path import sys import tempfile import test.support import unittest import unittest.mock import ensurepip import ensurepip._uninstall class TestPackages(unittest.TestCase): def touch(self, directory, filename): fullname = os.path.join(directory, filename) open(fullname, "wb").close() def test_version(self): # Test version() with tempfile.TemporaryDirectory() as tmpdir: self.touch(tmpdir, "pip-1.2.3b1-py2.py3-none-any.whl") self.touch(tmpdir, "setuptools-49.1.3-py3-none-any.whl") with (unittest.mock.patch.object(ensurepip, '_PACKAGES', None), unittest.mock.patch.object(ensurepip, '_WHEEL_PKG_DIR', tmpdir)): self.assertEqual(ensurepip.version(), '1.2.3b1') def test_get_packages_no_dir(self): # Test _get_packages() without a wheel package directory with (unittest.mock.patch.object(ensurepip, '_PACKAGES', None), unittest.mock.patch.object(ensurepip, '_WHEEL_PKG_DIR', None)): packages = ensurepip._get_packages() # when bundled wheel packages are used, we get _PIP_VERSION self.assertEqual(ensurepip._PIP_VERSION, ensurepip.version()) # use bundled wheel packages self.assertIsNotNone(packages['pip'].wheel_name) self.assertIsNotNone(packages['setuptools'].wheel_name) def test_get_packages_with_dir(self): # Test _get_packages() with a wheel package directory setuptools_filename = "setuptools-49.1.3-py3-none-any.whl" pip_filename = "pip-20.2.2-py2.py3-none-any.whl" with tempfile.TemporaryDirectory() as tmpdir: self.touch(tmpdir, setuptools_filename) self.touch(tmpdir, pip_filename) # not used, make sure that it's ignored self.touch(tmpdir, "wheel-0.34.2-py2.py3-none-any.whl") with (unittest.mock.patch.object(ensurepip, '_PACKAGES', None), unittest.mock.patch.object(ensurepip, '_WHEEL_PKG_DIR', tmpdir)): packages = ensurepip._get_packages() self.assertEqual(packages['setuptools'].version, '49.1.3') self.assertEqual(packages['setuptools'].wheel_path, os.path.join(tmpdir, setuptools_filename)) self.assertEqual(packages['pip'].version, '20.2.2') self.assertEqual(packages['pip'].wheel_path, os.path.join(tmpdir, pip_filename)) # wheel package is ignored self.assertEqual(sorted(packages), ['pip', 'setuptools']) class EnsurepipMixin: def setUp(self): run_pip_patch = unittest.mock.patch("ensurepip._run_pip") self.run_pip = run_pip_patch.start() self.run_pip.return_value = 0 self.addCleanup(run_pip_patch.stop) # Avoid side effects on the actual os module real_devnull = os.devnull os_patch = unittest.mock.patch("ensurepip.os") patched_os = os_patch.start() # But expose os.listdir() used by _find_packages() patched_os.listdir = os.listdir 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): def test_basic_bootstrapping(self): ensurepip.bootstrap() self.run_pip.assert_called_once_with( [ "install", "--no-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "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-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "--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-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "--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-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "--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-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "-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-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "-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-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "-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.assertFalse(self.run_pip.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) 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.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.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) def test_uninstall(self): with fake_pip(): ensurepip._uninstall_helper() self.run_pip.assert_called_once_with( [ "uninstall", "-y", "--disable-pip-version-check", "pip", "setuptools", ] ) def test_uninstall_with_verbosity_1(self): with fake_pip(): ensurepip._uninstall_helper(verbosity=1) self.run_pip.assert_called_once_with( [ "uninstall", "-y", "--disable-pip-version-check", "-v", "pip", "setuptools", ] ) def test_uninstall_with_verbosity_2(self): with fake_pip(): ensurepip._uninstall_helper(verbosity=2) self.run_pip.assert_called_once_with( [ "uninstall", "-y", "--disable-pip-version-check", "-vv", "pip", "setuptools", ] ) def test_uninstall_with_verbosity_3(self): with fake_pip(): ensurepip._uninstall_helper(verbosity=3) self.run_pip.assert_called_once_with( [ "uninstall", "-y", "--disable-pip-version-check", "-vvv", "pip", "setuptools", ] ) 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) 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) # Basic testing of the main functions and their argument parsing EXPECTED_VERSION_OUTPUT = "pip " + ensurepip.version() class TestBootstrappingMainFunction(EnsurepipMixin, unittest.TestCase): def test_bootstrap_version(self): with test.support.captured_stdout() as stdout: with self.assertRaises(SystemExit): ensurepip._main(["--version"]) result = stdout.getvalue().strip() self.assertEqual(result, EXPECTED_VERSION_OUTPUT) self.assertFalse(self.run_pip.called) def test_basic_bootstrapping(self): exit_code = ensurepip._main([]) self.run_pip.assert_called_once_with( [ "install", "--no-cache-dir", "--no-index", "--find-links", unittest.mock.ANY, "setuptools", "pip", ], unittest.mock.ANY, ) additional_paths = self.run_pip.call_args[0][1] self.assertEqual(len(additional_paths), 2) self.assertEqual(exit_code, 0) def test_bootstrapping_error_code(self): self.run_pip.return_value = 2 exit_code = ensurepip._main([]) self.assertEqual(exit_code, 2) class TestUninstallationMainFunction(EnsurepipMixin, unittest.TestCase): def test_uninstall_version(self): with test.support.captured_stdout() as stdout: with self.assertRaises(SystemExit): ensurepip._uninstall._main(["--version"]) result = stdout.getvalue().strip() self.assertEqual(result, EXPECTED_VERSION_OUTPUT) self.assertFalse(self.run_pip.called) def test_basic_uninstall(self): with fake_pip(): exit_code = ensurepip._uninstall._main([]) self.run_pip.assert_called_once_with( [ "uninstall", "-y", "--disable-pip-version-check", "pip", "setuptools", ] ) self.assertEqual(exit_code, 0) def test_uninstall_error_code(self): with fake_pip(): self.run_pip.return_value = 2 exit_code = ensurepip._uninstall._main([]) self.assertEqual(exit_code, 2) if __name__ == "__main__": unittest.main() SIMPAN PERUBAHAN