14     """Used in standard hook tests to collect any logged events.
83     with TestHook() as hook:
85         assertEqual(hook.seen[0][0], "test_event")
86         assertEqual(hook.seen[0][1], (1, 2, 3))
90     # Raising an exception should prevent a new hook from being added,
100     # Raising BaseException will propagate out when adding a hook
105             # Adding this next hook should raise BaseException
115     with TestHook() as hook:
126     actual = [(a[0], a[1]) for e, a in hook.seen if e == "marshal.dumps"]
129     actual = [a[0] for e, a in hook.seen if e == "marshal.loads"]
132     actual = [e for e, a in hook.seen if e == "marshal.load"]
146     # Before we add the hook, ensure our malicious pickle loads
149     with TestHook(raise_on_events="pickle.find_class") as hook:
151             # With the hook enabled, loading globals is not allowed
169     with TestHook() as hook:
183     actual = [(a[0], a[1]) for e, a in hook.seen if e == "object.__setattr__"]
200     with TestHook(raise_on_events={"open"}) as hook:
213     actual_mode = [(a[0], a[1]) for e, a in hook.seen if e == "open" and a[1]]
214     actual_flag = [(a[0], a[2]) for e, a in hook.seen if e == "open" and not a[1]]
241         with TestHook() as hook:
246             hook.__cantrace__ = False
250             hook.__cantrace__ = True
254             hook.__cantrace__ = 1
258             hook.__cantrace__ = 0
268     with TestHook() as hook:
270         assertEqual(hook.seen[0][1][:2], (-1, 8))
278     def hook(event, args):  function
286     sys.addaudithook(hook)
297     def hook(event, args):  function
303     sys.addaudithook(hook)
306                          "Exception ignored for audit hook test")
312     def hook(event, args):  function
317     sys.addaudithook(hook)
335     def hook(event, args):  function
339     sys.addaudithook(hook)
357     def hook(event, args):  function
361     sys.addaudithook(hook)
375     def hook(event, args):  function
379     sys.addaudithook(hook)
393     def hook(event, *args):  function
397     sys.addaudithook(hook)
418     def hook(event, args):  function
422     sys.addaudithook(hook)
429     def hook(event, args):  function
433     sys.addaudithook(hook)
440     def hook(event, args):  function
444     sys.addaudithook(hook)
469     def hook(event, args):  function
473     sys.addaudithook(hook)
485     def hook(event, args):  function
489     sys.addaudithook(hook)
501     def hook(event, args):  function
505     sys.addaudithook(hook)
522     hook = lambda *a: None  function
523     sys.addaudithook(hook)
527             assert hook not in o
533     def hook(event, args):  function
538                 raise AssertionError('hook failed')
539     sys.addaudithook(hook)
551     def hook(event, args):  function
555     sys.addaudithook(hook)
562     def hook(event, args):  function
566     sys.addaudithook(hook)