Test for fix of ECS long ARN GetAttr bug in Cloudformation

test-ecs-cf-bug.yaml

AWSTemplateFormatVersion: 2010-09-09

Description: >-
  A test case for the GetAttr bug with ECS's long ARNs. When this is fixed,
  if you are opted in to long ARNs, the output ServiceName should be 'stack-Service-texttext'
  and not equal to ClusterName.

Resources:
  DummyCluster:
    Type: AWS::ECS::Cluster

  DummyService:
    Type: AWS::ECS::Service
    Properties:
      Cluster: !Ref DummyCluster
      DeploymentConfiguration:
        MaximumPercent: 100
        MinimumHealthyPercent: 0
      DesiredCount: 0
      PlacementStrategies:
        - Type: binpack
          Field: memory
      TaskDefinition: !Ref DummyTaskdef

  DummyTaskdef:
    Type: AWS::ECS::TaskDefinition
    Properties:
      Volumes: []
      Family: 'testcase'
      NetworkMode: bridge
      ContainerDefinitions:
        - Name: DummyDefinition
          Image: python:3.6
          Memory: 256

Outputs:
  ClusterName:
    Value:
      !Ref DummyCluster
  ServiceName:
    Value:
      !GetAtt DummyService.Name
  ServiceRef:
    Value:
      !Ref DummyService

Looks like this is fixed, in case anyone is following.