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testutil.PollMixin: set default timeout (to 100s), emit a more helpful error when the timeout is hit

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This commit is contained in:
Brian Warner 2008-09-29 22:23:09 -07:00
parent 2e8b89e9e4
commit 1e3500ae5f
1 changed files with 2 additions and 2 deletions
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4
src/allmydata/util/testutil.py
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@ -46,7 +46,7 @@ class PollComplete(Exception):
class PollMixin:
def poll(self, check_f, pollinterval=0.01, timeout=None):
def poll(self, check_f, pollinterval=0.01, timeout=100):
# Return a Deferred, then call check_f periodically until it returns
# True, at which point the Deferred will fire.. If check_f raises an
# exception, the Deferred will errback. If the check_f does not
@ -66,7 +66,7 @@ class PollMixin:
def _poll(self, check_f, cutoff):
if cutoff is not None and time.time() > cutoff:
raise TimeoutError()
raise TimeoutError("PollMixin never saw %s return True" % check_f)
if check_f():
raise PollComplete()