text: import time
  
  
  def test_pay_schedule(iamport):
      schedule_at = int(time.time() + 1000)
  
      payload_without_customer_uid = {
          # without 'customer_uid'
          'schedules': [
              {
                  'merchant_uid': 'pay_schedule_%s' % str(time.time()),
                  'schedule_at': schedule_at,
                  'amount': 2001,
                  'name': '주문명1',
                  'buyer_name': '주문자명',
                  'buyer_email': '주문자 Email주소',
                  'buyer_tel': '주문자 전화번호',
                  'buyer_addr': '주문자 주소',
                  'buyer_postcode': '주문자 우편번호'
              },
          ],
      }
  
      try:
          iamport.pay_schedule(**payload_without_customer_uid)
      except KeyError as e:
          assert "['customer_uid'] is required" in str(e)
  
      payload_without_merchant_uid = {
          'customer_uid': '00000000',
          'schedules': [
              {
                  # without 'merchant_uid'
                  'schedule_at': schedule_at,
                  'amount': 10000,
                  'name': '주문명2',
                  'buyer_name': '주문자명',
                  'buyer_email': '주문자 Email주소',
                  'buyer_tel': '주문자 전화번호',
                  'buyer_addr': '주문자 주소',
                  'buyer_postcode': '주문자 우편번호'
              },
          ],
      }
  
      try:
          iamport.pay_schedule(**payload_without_merchant_uid)
      except KeyError as e:
          assert 'Essential parameter is missing!: merchant_uid' in str(e)
  
      payload_full = {
          'customer_uid': '00000000',
          'schedules': [
              {
                  'merchant_uid': 'pay_schedule_%s' % str(time.time()),
                  'schedule_at': schedule_at,
                  'amount': 5000,
                  'name': '주문명',
                  'buyer_name': '주문자명',
                  'buyer_email': '주문자 Email주소',
                  'buyer_tel': '주문자 전화번호',
                  'buyer_addr': '주문자 주소',
                  'buyer_postcode': '주문자 우편번호'
              },
          ],
      }
  
      try:
          iamport.pay_schedule(**payload_full)
      except iamport.ResponseError as e:
          assert e.code == 1
          assert u'등록되지 않은 구매자입니다.' in e.message
  