mirror of https://github.com/python/cpython
110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
from . import util as test_util
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machinery = test_util.import_importlib('importlib.machinery')
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import os
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import re
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import sys
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import unittest
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from test import support
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from distutils.util import get_platform
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from contextlib import contextmanager
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from .util import temp_module
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support.import_module('winreg', required_on=['win'])
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from winreg import (
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CreateKey, HKEY_CURRENT_USER,
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SetValue, REG_SZ, KEY_ALL_ACCESS,
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EnumKey, CloseKey, DeleteKey, OpenKey
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)
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def delete_registry_tree(root, subkey):
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try:
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hkey = OpenKey(root, subkey, access=KEY_ALL_ACCESS)
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except OSError:
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# subkey does not exist
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return
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while True:
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try:
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subsubkey = EnumKey(hkey, 0)
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except OSError:
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# no more subkeys
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break
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delete_registry_tree(hkey, subsubkey)
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CloseKey(hkey)
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DeleteKey(root, subkey)
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@contextmanager
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def setup_module(machinery, name, path=None):
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if machinery.WindowsRegistryFinder.DEBUG_BUILD:
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root = machinery.WindowsRegistryFinder.REGISTRY_KEY_DEBUG
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else:
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root = machinery.WindowsRegistryFinder.REGISTRY_KEY
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key = root.format(fullname=name,
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sys_version=sys.version[:3])
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try:
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with temp_module(name, "a = 1") as location:
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subkey = CreateKey(HKEY_CURRENT_USER, key)
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if path is None:
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path = location + ".py"
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SetValue(subkey, "", REG_SZ, path)
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yield
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finally:
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if machinery.WindowsRegistryFinder.DEBUG_BUILD:
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key = os.path.dirname(key)
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delete_registry_tree(HKEY_CURRENT_USER, key)
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@unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows')
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class WindowsRegistryFinderTests:
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# The module name is process-specific, allowing for
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# simultaneous runs of the same test on a single machine.
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test_module = "spamham{}".format(os.getpid())
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def test_find_spec_missing(self):
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spec = self.machinery.WindowsRegistryFinder.find_spec('spam')
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self.assertIs(spec, None)
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def test_find_module_missing(self):
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loader = self.machinery.WindowsRegistryFinder.find_module('spam')
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self.assertIs(loader, None)
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def test_module_found(self):
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with setup_module(self.machinery, self.test_module):
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loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module)
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spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module)
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self.assertIsNot(loader, None)
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self.assertIsNot(spec, None)
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def test_module_not_found(self):
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with setup_module(self.machinery, self.test_module, path="."):
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loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module)
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spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module)
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self.assertIsNone(loader)
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self.assertIsNone(spec)
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(Frozen_WindowsRegistryFinderTests,
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Source_WindowsRegistryFinderTests
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) = test_util.test_both(WindowsRegistryFinderTests, machinery=machinery)
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@unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows')
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class WindowsExtensionSuffixTests:
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def test_tagged_suffix(self):
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suffixes = self.machinery.EXTENSION_SUFFIXES
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expected_tag = ".cp{0.major}{0.minor}-{1}.pyd".format(sys.version_info,
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re.sub('[^a-zA-Z0-9]', '_', get_platform()))
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try:
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untagged_i = suffixes.index(".pyd")
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except ValueError:
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untagged_i = suffixes.index("_d.pyd")
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expected_tag = "_d" + expected_tag
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self.assertIn(expected_tag, suffixes)
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# Ensure the tags are in the correct order
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tagged_i = suffixes.index(expected_tag)
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self.assertLess(tagged_i, untagged_i)
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(Frozen_WindowsExtensionSuffixTests,
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Source_WindowsExtensionSuffixTests
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) = test_util.test_both(WindowsExtensionSuffixTests, machinery=machinery)
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