cpython/Lib/test/test_tools/__init__.py

50 lines
1.6 KiB
Python

"""Support functions for testing scripts in the Tools directory."""
import contextlib
import importlib
import os.path
import unittest
from test import support
from test.support import import_helper
if support.check_sanitizer(address=True, memory=True):
# bpo-46633: Skip the test because it is too slow when Python is built
# with ASAN/MSAN: between 5 and 20 minutes on GitHub Actions.
raise unittest.SkipTest("test too slow on ASAN/MSAN build")
if not support.has_subprocess_support:
raise unittest.SkipTest("test module requires subprocess")
basepath = os.path.normpath(
os.path.dirname( # <src/install dir>
os.path.dirname( # Lib
os.path.dirname( # test
os.path.dirname(__file__))))) # test_tools
toolsdir = os.path.join(basepath, 'Tools')
scriptsdir = os.path.join(toolsdir, 'scripts')
def skip_if_missing(tool=None):
if tool:
tooldir = os.path.join(toolsdir, tool)
else:
tool = 'scripts'
tooldir = scriptsdir
if not os.path.isdir(tooldir):
raise unittest.SkipTest(f'{tool} directory could not be found')
@contextlib.contextmanager
def imports_under_tool(name, *subdirs):
tooldir = os.path.join(toolsdir, name, *subdirs)
with import_helper.DirsOnSysPath(tooldir) as cm:
yield cm
def import_tool(toolname):
with import_helper.DirsOnSysPath(scriptsdir):
return importlib.import_module(toolname)
def load_tests(*args):
return support.load_package_tests(os.path.dirname(__file__), *args)