keystone: fix catalog output when region is unset

If no region is set in Keystone, null is deserialized as None and the
region has None has value, which triggers a type error when building the
output string.

This patch fixes that.

Change-Id: I7637dc2595655cf452f38308f99fe66ac782e16d

1 files changed, 9 insertions, 2 deletions

diff --git a/openstackclient/tests/identity/v3/test_catalog.py b/openstackclient/tests/identity/v3/test_catalog.py
index a03c9d3e..1b8fa085 100644
--- a/openstackclient/tests/identity/v3/test_catalog.py
+++ b/openstackclient/tests/identity/v3/test_catalog.py
@@ -38,6 +38,11 @@ class TestCatalog(utils.TestCommand):
                 'url': 'https://internal.example.com',
                 'interface': 'internal',
             },
+            {
+                'region': None,
+                'url': 'https://none.example.com',
+                'interface': 'none',
+            },
         ],
     }
 
@@ -81,7 +86,8 @@ class TestCatalogList(TestCatalog):
             'compute',
             'onlyone\n  public: https://public.example.com\n'
             'onlyone\n  admin: https://admin.example.com\n'
-            '<none>\n  internal: https://internal.example.com\n',
+            '<none>\n  internal: https://internal.example.com\n'
+            '<none>\n  none: https://none.example.com\n',
         ), )
         self.assertEqual(datalist, tuple(data))
 
@@ -114,7 +120,8 @@ class TestCatalogShow(TestCatalog):
         datalist = (
             'onlyone\n  public: https://public.example.com\nonlyone\n'
             '  admin: https://admin.example.com\n'
-            '<none>\n  internal: https://internal.example.com\n',
+            '<none>\n  internal: https://internal.example.com\n'
+            '<none>\n  none: https://none.example.com\n',
             'qwertyuiop',
             'supernova',
             'compute',