Add unit test for xmlns version matching request version.

nova/tests/test_api.py

@@ -36,6 +36,7 @@ from nova.auth import manager
 class FakeHttplibSocket(object):
     """a fake socket implementation for httplib.HTTPResponse, trivial"""
     def __init__(self, response_string):
+        self.response_string = response_string
         self._buffer = StringIO.StringIO(response_string)
 
     def makefile(self, _mode, _other):
@@ -66,13 +67,16 @@ class FakeHttplibConnection(object):
         # For some reason, the response doesn't have "HTTP/1.0 " prepended; I
         # guess that's a function the web server usually provides.
         resp = "HTTP/1.0 %s" % resp
-        sock = FakeHttplibSocket(resp)
-        self.http_response = httplib.HTTPResponse(sock)
+        self.sock = FakeHttplibSocket(resp)
+        self.http_response = httplib.HTTPResponse(self.sock)
         self.http_response.begin()
 
     def getresponse(self):
         return self.http_response
 
+    def getresponsebody(self):
+        return self.sock.response_string
+
     def close(self):
         """Required for compatibility with boto/tornado"""
         pass
@@ -104,7 +108,7 @@ class ApiEc2TestCase(test.TestCase):
         self.app = ec2.Authenticate(ec2.Requestify(ec2.Executor(),
                        'nova.api.ec2.cloud.CloudController'))
 
-    def expect_http(self, host=None, is_secure=False):
+    def expect_http(self, host=None, is_secure=False, api_version=None):
         """Returns a new EC2 connection"""
         self.ec2 = boto.connect_ec2(
                 aws_access_key_id='fake',
@@ -113,13 +117,31 @@ class ApiEc2TestCase(test.TestCase):
                 region=regioninfo.RegionInfo(None, 'test', self.host),
                 port=8773,
                 path='/services/Cloud')
+        if api_version:
+            self.ec2.APIVersion = api_version
 
         self.mox.StubOutWithMock(self.ec2, 'new_http_connection')
-        http = FakeHttplibConnection(
+        self.http = FakeHttplibConnection(
                 self.app, '%s:8773' % (self.host), False)
         # pylint: disable-msg=E1103
-        self.ec2.new_http_connection(host, is_secure).AndReturn(http)
-        return http
+        self.ec2.new_http_connection(host, is_secure).AndReturn(self.http)
+        return self.http
+
+    def test_xmlns_version_matches_request_version(self):
+        self.expect_http(api_version='2010-10-30')
+        self.mox.ReplayAll()
+
+        user = self.manager.create_user('fake', 'fake', 'fake')
+        project = self.manager.create_project('fake', 'fake', 'fake')
+
+        # Any request should be fine
+        self.ec2.get_all_instances()
+        self.assertTrue(self.ec2.APIVersion in self.http.getresponsebody(),
+                       'The version in the xmlns of the response does '
+                       'not match the API version given in the request.')
+
+        self.manager.delete_project(project)
+        self.manager.delete_user(user)
 
     def test_describe_instances(self):
         """Test that, after creating a user and a project, the describe