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import os
import sys
import unittest
from collections.abc import Container
from test import support
from .filter import match_test, set_match_tests
from .utils import (
StrPath, TestName, TestTuple, TestList, TestFilter,
abs_module_name, count, printlist)
# If these test directories are encountered recurse into them and treat each
# "test_*.py" file or each sub-directory as a separate test module. This can
# increase parallelism.
#
# Beware this can't generally be done for any directory with sub-tests as the
# __init__.py may do things which alter what tests are to be run.
SPLITTESTDIRS: set[TestName] = {
"test_asyncio",
"test_concurrent_futures",
"test_doctests",
"test_future_stmt",
"test_gdb",
"test_inspect",
"test_pydoc",
"test_multiprocessing_fork",
"test_multiprocessing_forkserver",
"test_multiprocessing_spawn",
}
def findtestdir(path: StrPath | None = None) -> StrPath:
return path or os.path.dirname(os.path.dirname(__file__)) or os.curdir
def findtests(*, testdir: StrPath | None = None, exclude: Container[str] = (),
split_test_dirs: set[TestName] = SPLITTESTDIRS,
base_mod: str = "") -> TestList:
"""Return a list of all applicable test modules."""
testdir = findtestdir(testdir)
tests = []
for name in os.listdir(testdir):
mod, ext = os.path.splitext(name)
if (not mod.startswith("test_")) or (mod in exclude):
continue
if base_mod:
fullname = f"{base_mod}.{mod}"
else:
fullname = mod
if fullname in split_test_dirs:
subdir = os.path.join(testdir, mod)
if not base_mod:
fullname = f"test.{mod}"
tests.extend(findtests(testdir=subdir, exclude=exclude,
split_test_dirs=split_test_dirs,
base_mod=fullname))
elif ext in (".py", ""):
tests.append(fullname)
return sorted(tests)
def split_test_packages(tests, *, testdir: StrPath | None = None,
exclude: Container[str] = (),
split_test_dirs=SPLITTESTDIRS) -> list[TestName]:
testdir = findtestdir(testdir)
splitted = []
for name in tests:
if name in split_test_dirs:
subdir = os.path.join(testdir, name)
splitted.extend(findtests(testdir=subdir, exclude=exclude,
split_test_dirs=split_test_dirs,
base_mod=name))
else:
splitted.append(name)
return splitted
def _list_cases(suite: unittest.TestSuite) -> None:
for test in suite:
if isinstance(test, unittest.loader._FailedTest): # type: ignore[attr-defined]
continue
if isinstance(test, unittest.TestSuite):
_list_cases(test)
elif isinstance(test, unittest.TestCase):
if match_test(test):
print(test.id())
def list_cases(tests: TestTuple, *,
match_tests: TestFilter | None = None,
test_dir: StrPath | None = None) -> None:
support.verbose = False
set_match_tests(match_tests)
skipped = []
for test_name in tests:
module_name = abs_module_name(test_name, test_dir)
try:
suite = unittest.defaultTestLoader.loadTestsFromName(module_name)
_list_cases(suite)
except unittest.SkipTest:
skipped.append(test_name)
if skipped:
sys.stdout.flush()
stderr = sys.stderr
print(file=stderr)
print(count(len(skipped), "test"), "skipped:", file=stderr)
printlist(skipped, file=stderr)
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