# File lib/fog/aws/requests/cdn/get_invalidation.rb, line 35
        def get_invalidation(distribution_id, invalidation_id)
          distribution = self.data[:distributions][distribution_id]
          unless distribution
            Fog::CDN::AWS::Mock.error(:no_such_distribution)
          end

          invalidation = self.data[:invalidations][distribution_id][invalidation_id]
          unless invalidation
            Fog::CDN::AWS::Mock.error(:no_such_invalidation)
          end

          if invalidation['Status'] == 'InProgress' && (Time.now - Time.parse(invalidation['CreateTime']) >= Fog::Mock.delay * 2)
            invalidation['Status'] = 'Completed'
            distribution['InProgressInvalidationBatches'] -= 1
          end

          response = Excon::Response.new
          response.status = 200
          response.body = invalidation
          response
        end