# File lib/fog/aws/requests/compute/describe_subnets.rb, line 45
        def describe_subnets(filters = {})
          subnets = self.data[:subnets]

          # Transition from pending to available
          subnets.each do |subnet|
            case subnet['state']
              when 'pending'
                subnet['state'] = 'available'
            end
          end

          if filters['subnet-id']
            subnets = subnets.reject {|subnet| subnet['subnetId'] != filters['subnet-id']}
          end

          Excon::Response.new(
            :status => 200,
            :body   => {
              'requestId' => Fog::AWS::Mock.request_id,
              'subnetSet' => subnets
            }
          )
        end