[
  {
    "name": "adult VIP with a big basket",
    "fact": {
      "Customer": { "Name": "Aroha", "Age": 34, "IsVip": true, "LoyaltyYears": 1 },
      "Order": { "Total": 240, "Lines": [] }
    },
    "expect": { "DiscountPercent": 15, "Shipping": 0 }
  },
  {
    "name": "loyal customer, small basket",
    "fact": {
      "Customer": { "Name": "Mere", "Age": 61, "IsVip": false, "LoyaltyYears": 9 },
      "Order": { "Total": 40, "Lines": [] }
    },
    "expect": { "DiscountPercent": 10, "Shipping": 5.95 }
  },
  {
    "name": "teenager buying wine gets no discount and an ID check",
    "fact": {
      "Customer": { "Name": "Ben", "Age": 17, "IsVip": true, "LoyaltyYears": 0 },
      "Order": { "Total": 60, "Lines": [ { "Category": "alcohol" } ] }
    },
    "expect": { "DiscountPercent": null, "IdRequired": true, "Shipping": 0 }
  },
  {
    "name": "shipping is free from exactly 50",
    "fact": {
      "Customer": { "Name": "Sam", "Age": 30, "IsVip": false, "LoyaltyYears": 0 },
      "Order": { "Total": 50, "Lines": [] }
    },
    "expect": { "Shipping": 0, "Points": 5 }
  }
]