From 1e3500ae5fcb60fdf8d68474e37396422efe740c Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@allmydata.com>
Date: Mon, 29 Sep 2008 22:23:09 -0700
Subject: [PATCH] testutil.PollMixin: set default timeout (to 100s), emit a
 more helpful error when the timeout is hit

---
 src/allmydata/util/testutil.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/allmydata/util/testutil.py b/src/allmydata/util/testutil.py
index c43b1219..7ca6f4c3 100644
--- a/src/allmydata/util/testutil.py
+++ b/src/allmydata/util/testutil.py
@@ -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()
 
-- 
2.45.2