JSON Schema：由于对一个以上模式的验证而导致的错误来自＆＃x27; Oneof＆＃x27;

Question

我有一个JSON模式，如果语句 Oneof ，则通过一系列进行检查。但是，由于语句中的一个属性出现在3 中（请参见下面的错误），因此失败了。我如何强制对属性作为组的施加检查？

使用的 https://www.jsonschemavalidator.net/ 验证模式。

模式：

{
  "$id": "https://json-schema.hyperjump.io/schema2",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "Occupancy": {
      "type": "string",
      "enum": [
        "Owner Occupied",
        "Tenant"
      ]
    },
    "DwellingUse": {
      "type": "string",
      "enum": [
        "Dwelling",
        "Apartment",
        "Other Buildings",
        "Townhouses",
        "Condominiums",
        "Duplex",
        "Triplex"
      ]
    },
    "Form": {
      "type": "string",
      "enum": [
        "HO-2 Broad Form",
        "HO-3 Special Form",
        "HO-5 Comprehensive Form"
      ]
    },
    "DwellingAmount": {
      "type": "integer",
      "maximum": 999999999
    },
    "OtherStructuresAmount": {
      "type": "integer",
      "maximum": 999999999,
      "minimum": 0
    }
  },
  "oneOf": [
    {
      "if": {
        "properties": {
          "Occupancy": {
            "const": "Tenant"
          }
        }
      },
      "then": {
        "properties": {
          "Form": {
            "enum": [
              "HO-BT Broad Form",
              "HO-CT All-Risk Form",
              "HO-4 Tenant"
            ]
          },
          "DwellingAmount": {
            "const": 0
          },
          "OtherStructuresAmount": {
            "const": 0
          }
        }
      }
    },
    {
      "if": { //Both properties must be checked and match
        "properties": {
          "Occupancy": {
            "const": "Owner Occupied"
          },
          "DwellingUse": {
            "const": "Condominiums"
          }
        }
      },
      "then": {
        "properties": {
          "Form": {
            "enum": [
              "HO-B Con Broad Form",
              "HO-C Con All-Risk Form",
              "HO-6 Condominium"
            ]
          },
          "OtherStructuresAmount": {
            "const": 0
          }
        },
        "required": [
          "DwellingAmount"
        ]
      }
    },
    {
      "if": { //Both properties must be checked and match
        "properties": {
          "Occupancy": {
            "const": "Owner Occupied"
          },
          "DwellingUse": {
            "const": "Apartment"
          }
        }
      },
      "then": {
        "properties": {
          "Form": {
            "enum": [
              "HO-4 Contents Broad Form"
            ]
          },
          "DwellingAmount": {
            "const": 0
          },
          "OtherStructuresAmount": {
            "const": 0
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "Occupancy": {
            "const": "Owner Occupied"
          }
        }
      },
      "then": {
        "properties": {
          "Form": {
            "enum": [
              "HO-A Limited Form",
              "HO-B Broad Form",
              "HO-C All-Risk Form",
              "HO-3 Broad Form",
              "HO-8 Modified Form"
            ]
          }
        },
        "required": [
          "DwellingAmount",
          "OtherStructuresAmount"
        ]
      }
    }
  ],
  "additionalProperties": false
}

验证输入：

{
  "Occupancy": "Owner Occupied",
  "DwellingUse": "Condominiums",
  "Form": "HO-B Con Broad Form",
  "DwellingAmount": 5,
  "OtherStructuresAmount": 0
}

错误：

Found 4 error(s)
Message:
    Value "HO-B Con Broad Form" is not defined in enum.
Schema path:
    https://json-schema.hyperjump.io/schema2#/properties/Form/enum

Message:
    JSON is valid against more than one schema from 'oneOf'. Valid schema indexes: 0, 1, 2.
Schema path:
    https://json-schema.hyperjump.io/schema2#/oneOf

Message:
    JSON does not match schema from 'then'.
Schema path:
    https://json-schema.hyperjump.io/schema2#/oneOf/3/then/then

Message:
    Value "HO-B Con Broad Form" is not defined in enum.
Schema path:
    https://json-schema.hyperjump.io/schema2#/oneOf/3/then/properties/Form/enum

Answer 1

很难说出您要寻找的东西。您是否期望您在这里提供的数据应该通过验证？它不会，因为您的“形式”值不在枚举中（根据第一个错误消息）。

还要注意，如果条款根本不存在子句，则将作为true评估 - 因此，为了确保它确实存在，您需要添加“必需“：[＆lt;属性名称＆gt;]。

另外，如果如果子句为false，则else子句将评估。如果没有一个，则结果是正确的 - 因此，如果您有多个条件，如果为false，则您将拥有多个else条款运行，并且如果它们都是正确的，那么您将违反Oneof限制。

有多种解决此问题的方法：要么使用else：false在每个束缚中，要么将Oneof更改为allof。