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import sys
import importlib
import pytest
# This is a workaround for a dubious feature of CPython's test suite: it skips
# tests silently if importing a module fails. This makes some partial sense
# for CPython itself when testing C extension modules directly, because very
# often (but not always) a C extension module is either completely absent or
# imports successfully. But for PyPy it's a mess because it can hide mistakes
# very easily, and it did. So the list we build here should contain the names
# of every module that CPython's tests import with test.support.import_module()
# but that should really be present on the running platform.
expected_modules = []
# ----- everywhere -----
expected_modules += [
'_opcode',
'asyncio',
'bz2',
'code',
'ctypes.test',
'gzip',
'_hashlib',
'lzma',
'mmap',
'_multiprocessing',
'multiprocessing.synchronize',
'select',
'_sqlite3',
'ssl',
'_thread',
'threading',
'zlib',
]
# ----- non-Windows -----
if sys.platform != 'win32':
expected_modules += [
'curses',
'curses.ascii',
'curses.textpad',
'dbm',
'dbm.gnu',
'fcntl',
'grp',
'posix',
'pty',
'pwd',
'resource',
'syslog',
'termios',
]
else:
# ----- Windows only -----
expected_modules += [
'winreg',
]
# ----- Linux only -----
if sys.platform.startswith('linux'):
expected_modules += [
'crypt',
]
# ------------------------------------------------
@pytest.fixture(scope="module", params=expected_modules)
def modname(request):
return request.param
def test_expected_modules(modname):
importlib.import_module(modname)
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