Backport module for sys.audit and sys.addaudithook mechanism
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"""Tests for sys.audit and sys.addaudithook
https://github.com/python/cpython/blob/b676f5f809007533db3e3fdd01243959dd233d57/Lib/test/test_audit.py
"""
import importlib
import os
import subprocess
import sys
import unittest
AUDIT_TESTS_PY = os.path.abspath(
os.path.join(os.path.dirname(__file__), "audit-tests.py")
)
skip_old_py = unittest.skipIf(
sys.version_info < (3, 8), "Skipping tests testing built-in events"
)
if sys.version_info < (3, 8):
IMPLEMENTATIONS = ("csysaudit", "pysysaudit")
else:
IMPLEMENTATIONS = ("stdlib", "csysaudit", "pysysaudit")
class AuditTest(unittest.TestCase):
def _do_test(self, *args, **kwargs):
popen_kwargs = dict(
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
if "impl" in kwargs:
popen_kwargs["env"] = dict(SYSAUDIT_IMPL=kwargs["impl"])
if sys.version_info >= (3, 6):
popen_kwargs["encoding"] = "utf-8"
p = subprocess.Popen(
[sys.executable, AUDIT_TESTS_PY] + list(args), **popen_kwargs
)
p.wait()
sys.stdout.writelines(p.stdout)
sys.stderr.writelines(p.stderr)
if p.returncode:
self.fail("".join(p.stderr))
def do_test(self, *args):
for impl in IMPLEMENTATIONS:
return self._do_test(*args, impl=impl)
def _run_python(self, *args, **kwargs):
events = []
popen_kwargs = dict(
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
if "impl" in kwargs:
popen_kwargs["env"] = dict(SYSAUDIT_IMPL=kwargs["impl"])
if sys.version_info >= (3, 6):
popen_kwargs["encoding"] = "utf-8"
p = subprocess.Popen(
[sys.executable, AUDIT_TESTS_PY] + list(args), **popen_kwargs
)
p.wait()
sys.stderr.writelines(p.stderr)
return (
p.returncode,
[line.strip().partition(" ") for line in p.stdout],
"".join(p.stderr),
)
def run_python(self, *args):
for impl in IMPLEMENTATIONS:
return self._run_python(*args, impl=impl)
def test_basic(self):
self.do_test("test_basic")
def test_block_add_hook(self):
self.do_test("test_block_add_hook")
def test_block_add_hook_baseexception(self):
self.do_test("test_block_add_hook_baseexception")
@skip_old_py
def test_pickle(self):
importlib.import_module("pickle")
self.do_test("test_pickle")
@skip_old_py
def test_monkeypatch(self):
self.do_test("test_monkeypatch")
@skip_old_py
def test_open(self):
TESTFN = "@test_{}_tmp".format(os.getpid())
self.do_test("test_open", TESTFN)
@skip_old_py
def test_cantrace(self):
self.do_test("test_cantrace")
@skip_old_py
def test_mmap(self):
self.do_test("test_mmap")
@skip_old_py
def test_excepthook(self):
returncode, events, stderr = self.run_python("test_excepthook")
if not returncode:
self.fail("Expected fatal exception\n{}".format(stderr))
self.assertSequenceEqual(
[("sys.excepthook", " ", "RuntimeError('fatal-error')")], events
)
@skip_old_py
def test_unraisablehook(self):
returncode, events, stderr = self.run_python("test_unraisablehook")
if returncode:
self.fail(stderr)
self.assertEqual(events[0][0], "sys.unraisablehook")
self.assertEqual(
events[0][2],
"RuntimeError('nonfatal-error') Exception ignored for audit hook test",
)
@skip_old_py
def test_winreg(self):
try:
importlib.import_module("winreg")
except ImportError as msg:
raise unittest.SkipTest(str(msg))
returncode, events, stderr = self.run_python("test_winreg")
if returncode:
self.fail(stderr)
self.assertEqual(events[0][0], "winreg.OpenKey")
self.assertEqual(events[1][0], "winreg.OpenKey/result")
expected = events[1][2]
self.assertTrue(expected)
self.assertSequenceEqual(
["winreg.EnumKey", " ", "{} 0".format(expected)], events[2]
)
self.assertSequenceEqual(
["winreg.EnumKey", " ", "{} 10000".format(expected)], events[3]
)
self.assertSequenceEqual(["winreg.PyHKEY.Detach", " ", expected], events[4])
@skip_old_py
def test_socket(self):
importlib.import_module("socket")
returncode, events, stderr = self.run_python("test_socket")
if returncode:
self.fail(stderr)
self.assertEqual(events[0][0], "socket.gethostname")
self.assertEqual(events[1][0], "socket.__new__")
self.assertEqual(events[2][0], "socket.bind")
self.assertTrue(events[2][2].endswith("('127.0.0.1', 8080))"))
if __name__ == "__main__":
unittest.main()