add notification arns to cloudformation

moto/cloudformation/models.py

@@ -9,9 +9,10 @@ from .exceptions import ValidationError
 
 
 class FakeStack(object):
-    def __init__(self, stack_id, name, template):
+    def __init__(self, stack_id, name, template, notification_arns=None):
         self.stack_id = stack_id
         self.name = name
+        self.notification_arns = notification_arns if notification_arns else []
         self.template = template
         self.status = 'CREATE_COMPLETE'
 
@@ -39,9 +40,9 @@ class CloudFormationBackend(BaseBackend):
         self.stacks = {}
         self.deleted_stacks = {}
 
-    def create_stack(self, name, template):
+    def create_stack(self, name, template, notification_arns=None):
         stack_id = generate_stack_id(name)
-        new_stack = FakeStack(stack_id=stack_id, name=name, template=template)
+        new_stack = FakeStack(stack_id=stack_id, name=name, template=template, notification_arns=notification_arns)
         self.stacks[stack_id] = new_stack
         return new_stack
 

moto/cloudformation/responses.py

@@ -12,10 +12,12 @@ class CloudFormationResponse(BaseResponse):
     def create_stack(self):
         stack_name = self._get_param('StackName')
         stack_body = self._get_param('TemplateBody')
+        stack_notification_arns = self._get_multi_param('NotificationARNs.member')
 
         stack = cloudformation_backend.create_stack(
             name=stack_name,
             template=stack_body,
+            notification_arns=stack_notification_arns
         )
         stack_body = {
             'CreateStackResponse': {
@@ -89,6 +91,15 @@ DESCRIBE_STACKS_TEMPLATE = """<DescribeStacksResult>
       <StackId>{{ stack.stack_id }}</StackId>
       <CreationTime>2010-07-27T22:28:28Z</CreationTime>
       <StackStatus>{{ stack.status }}</StackStatus>
+      {% if stack.notification_arns %}
+      <NotificationARNs>
+        {% for notification_arn in stack.notification_arns %}
+        <member>{{ notification_arn }}</member>
+        {% endfor %}
+      </NotificationARNs>
+      {% else %}
+      <NotificationARNs/>
+      {% endif %}
       <DisableRollback>false</DisableRollback>
       <Outputs>
       {% for output in stack.stack_outputs %}

tests/test_cloudformation/test_cloudformation_stack_crud.py

@@ -38,6 +38,19 @@ def test_create_stack():
     stack.get_template().should.equal(dummy_template)
 
 
+@mock_cloudformation
+def test_create_stack_with_notification_arn():
+    conn = boto.connect_cloudformation()
+    conn.create_stack(
+        "test_stack_with_notifications",
+        template_body=dummy_template_json,
+        notification_arns='arn:aws:sns:us-east-1:123456789012:fake-queue'
+    )
+
+    stack = conn.describe_stacks()[0]
+    [n.value for n in stack.notification_arns].should.contain('arn:aws:sns:us-east-1:123456789012:fake-queue')
+
+
 @mock_cloudformation
 def test_describe_stack_by_name():
     conn = boto.connect_cloudformation()