tests: add more diagnostics when code-under-test fails

[tahoe-lafs/tahoe-lafs.git] / src / allmydata / test / test_repairer.py

diff --git a/src/allmydata/test/test_repairer.py b/src/allmydata/test/test_repairer.py
index 0e007423002561dbe26167827798fe10f6d993e5..0feaacb12162c369eb2f205da44c6dee34f74d1e 100644 (file)
--- a/src/allmydata/test/test_repairer.py
+++ b/src/allmydata/test/test_repairer.py
@@ -716,7 +716,12 @@ class Repairer(GridTestMixin, unittest.TestCase, RepairTestMixin,
             # not respond to the pre-repair filecheck
             prr = rr.get_post_repair_results()
             expected = set(self.g.get_all_serverids())
-            self.failUnlessEqual(expected, set(prr.get_servers_responding()))
+            responding_set = frozenset([s.get_serverid() for s in prr.get_servers_responding()])
+            self.failIf(expected - responding_set, expected - responding_set)
+            self.failIf(responding_set - expected, responding_set - expected)
+            self.failUnlessEqual(expected,
+                                 set([s.get_serverid()
+                                      for s in prr.get_servers_responding()]))
         d.addCallback(_check)
         return d