Fix the digital ocean test on py2.6

The digital ocean datasource test is using assertIs which
is only created/existent on py2.7, so for the older py2.6
we need to add similar logic so that the test works correctly
there.

2 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index e861be23..449f501f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,7 @@
  - retain trailing eol from template files (sources.list) when
    rendered with jinja (LP: #1355343)
  - Only use datafiles and initsys addon outside virtualenvs
+ - Fix the digital ocean test case on python 2.6
 0.7.6:
  - open 0.7.6
  - Enable vendordata on CloudSigma datasource (LP: #1303986)
diff --git a/tests/unittests/helpers.py b/tests/unittests/helpers.py
index 9700a4ca..52305397 100644
--- a/tests/unittests/helpers.py
+++ b/tests/unittests/helpers.py
@@ -35,6 +35,11 @@ else:
 if PY26:
     # For now add these on, taken from python 2.7 + slightly adjusted
     class TestCase(unittest.TestCase):
+        def assertIs(self, expr1, expr2, msg=None):
+            if expr1 is not expr2:
+                standardMsg = '%r is not %r' % (expr1, expr2)
+                self.fail(self._formatMessage(msg, standardMsg))
+
         def assertIn(self, member, container, msg=None):
             if member not in container:
                 standardMsg = '%r not found in %r' % (member, container)