assert unique constraints received back

in #8867 we can see our existing uq reflection test is
broken, not detecting a failure to detect constraints

Change-Id: Icada02bc0547c5a3d8c471b80a78a2e72f02647d
(cherry picked from commit f99300c4e8d1317a94cbfeaec6fe22de8f1159f7)

diff --git a/lib/sqlalchemy/testing/suite/test_reflection.py b/lib/sqlalchemy/testing/suite/test_reflection.py
index 3f234d2ea9c36738c5cf5996b61b4cefe00a75c7..12949fe02bb16414216df341696ac398025d0d41 100644 (file)
--- a/lib/sqlalchemy/testing/suite/test_reflection.py
+++ b/lib/sqlalchemy/testing/suite/test_reflection.py
@@ -1079,6 +1079,8 @@ class ComponentReflectionTest(OneConnectionTablesTest):
 
         names_that_duplicate_index = set()
 
+        eq_(len(uniques), len(reflected))
+
         for orig, refl in zip(uniques, reflected):
             # Different dialects handle duplicate index and constraints
             # differently, so ignore this flag