Fix policy date

file.tmp

@@ -0,0 +1,9 @@
+
+    AWSTemplateFormatVersion: '2010-09-09'
+    Description: Simple CloudFormation Test Template
+    Resources:
+      S3Bucket:
+        Type: AWS::S3::Bucket
+        Properties:
+          AccessControl: PublicRead
+          BucketName: cf-test-bucket-1

moto/iam/models.py

@@ -479,6 +479,11 @@ class IAMBackend(BaseBackend):
         role.description = role_description
         return role
 
+    def update_role(self, role_name, role_description):
+        role = self.get_role(role_name)
+        role.description = role_description
+        return role
+
     def detach_role_policy(self, policy_arn, role_name):
         arns = dict((p.arn, p) for p in self.managed_policies.values())
         try:

moto/iam/responses.py

@@ -183,8 +183,8 @@ class IamResponse(BaseResponse):
     def update_role(self):
         role_name = self._get_param('RoleName')
         description = self._get_param('Description')
-        role = iam_backend.update_role_description(role_name, description)
-        template = self.response_template(UPDATE_ROLE_DESCRIPTION_TEMPLATE)
+        role = iam_backend.update_role(role_name, description)
+        template = self.response_template(UPDATE_ROLE_TEMPLATE)
         return template.render(role=role)
 
     def create_policy_version(self):
@@ -944,6 +944,14 @@ GET_ROLE_POLICY_TEMPLATE = """<GetRolePolicyResponse xmlns="https://iam.amazonaw
 </ResponseMetadata>
 </GetRolePolicyResponse>"""
 
+UPDATE_ROLE_TEMPLATE = """<UpdateRoleResponse xmlns="https://iam.amazonaws.com/doc/2010-05-08/">
+  <UpdateRoleResult>
+  </UpdateRoleResult>
+  <ResponseMetadata>
+    <RequestId>df37e965-9967-11e1-a4c3-270EXAMPLE04</RequestId>
+  </ResponseMetadata>
+</UpdateRoleResponse>"""
+
 UPDATE_ROLE_DESCRIPTION_TEMPLATE = """<UpdateRoleDescriptionResponse xmlns="https://iam.amazonaws.com/doc/2010-05-08/">
   <UpdateRoleDescriptionResult>
     <Role>

tests/test_iam/test_iam.py

@@ -1185,7 +1185,7 @@ def test_update_role():
 
     conn.create_role(RoleName="my-role", AssumeRolePolicyDocument="some policy", Path="/my-path/")
     response = conn.update_role(RoleName="my-role", Description="test")
-    assert response['Role']['RoleName'] == 'my-role'
+    assert len(response.keys()) == 1
 
 @mock_iam()
 def test_list_entities_for_policy():