From 8bec797f665b1b975150d6b8d5db1b6cd84c4b8c Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 4 Mar 2019 18:52:25 -0500
Subject: [PATCH] somewhat better failure messages

---
 src/allmydata/test/test_inotify.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/allmydata/test/test_inotify.py b/src/allmydata/test/test_inotify.py
index c14669b64..030fda647 100644
--- a/src/allmydata/test/test_inotify.py
+++ b/src/allmydata/test/test_inotify.py
@@ -183,7 +183,10 @@ class INotifyTests(AsyncTestCase):
             # delay our check of that watch state a bit.
             def _():
                 try:
-                    self.assertFalse(self.inotify._isWatched(subdir))
+                    self.assertFalse(
+                        self.inotify._isWatched(subdir),
+                        "{} not un-watched.  watches = {}".format(subdir, self.inotify._watches),
+                    )
                     d.callback(None)
                 except Exception:
                     d.errback()
@@ -196,7 +199,10 @@ class INotifyTests(AsyncTestCase):
             callbacks=[_callback],
             recursive=True,
         )
-        self.assertTrue(self.inotify._isWatched(subdir))
+        self.assertTrue(
+            self.inotify._isWatched(subdir),
+            "{} not watched.  watches = {}".format(subdir, self.inotify._watches),
+        )
         subdir.remove()
 
         return d