Test for the problem underlying issue 129.

IPython/utils/tests/test_wildcard.py

@@ -115,3 +115,19 class Tests (unittest.TestCase):
                                       show_all=True).keys()
             a.sort()
             self.assertEqual(a,res)
+            
+    def test_dict_attributes(self):
+        """Dictionaries should be indexed by attributes, not by keys. This was
+        causing Github issue 129."""
+        ns = {"az":{"king":55}, "pq":{1:0}}
+        tests = [
+          ("a*", ["az"]),
+          ("az.k*", ["az.keys"]),
+          ("pq.k*", ["pq.keys"])
+        ]
+        for pat, res in tests:
+            res.sort()
+            a = wildcard.list_namespace(ns, "all", pat, ignore_case=False,
+                                        show_all=True).keys()
+            a.sort()
+            self.assertEqual(a, res)