create CloudFormation outputs and enable 'Fn::GetAtt' to work.

moto/sqs/models.py

@@ -4,6 +4,7 @@ import hashlib
 import time
 import re
 
+from boto.exception import BotoServerError
 from moto.core import BaseBackend
 from moto.core.utils import camelcase_to_underscores, get_random_message_id
 from .utils import generate_receipt_handle, unix_time_millis
@@ -152,6 +153,15 @@ class Queue(object):
     def add_message(self, message):
         self._messages.append(message)
 
+    def get_cfn_attribute(self, attribute_name):
+        if attribute_name == 'Arn':
+            return self.queue_arn
+        elif attribute_name == 'QueueName':
+            return self.name
+        raise BotoServerError(400,
+                              'Bad Request',
+                              'Template error: resource {0} does not support attribute type {1} in Fn::GetAtt')
+
 
 class SQSBackend(BaseBackend):
     def __init__(self):