Sample schema and error responses for JSON Schema (proposal)

schema.json

{
  "type": ["object", "integer"],


  "properties": {
    "abcde": {
      "type": "object",
      "patternProperties": {
        "^[a-zA-Z0-9_]+$": {
          "oneOf": [
            {"const": "a"},
            {"const": "b"},
            {"$ref": "#/cde"}
          ]}}},
    "not1": false,
    "not2": {"not":{}},
    "not3": {"not": true}
  },
  "cde": {"$ref": "#/cdeDef"},
  "cdeDef": {"anyOf": [
    {"const": "c"},
    {"const": "d"},
    {"const": "e"}
  ]},


  "anyOf": [
    {"properties": {"foo": {"enum": ["a"]}, "bar": {"multipleOf": 3}}},
    {"properties": {"foo": {"enum": ["b"]}, "bar": {"multipleOf": 5}}}
  ],


  "oneOf": [
    {"type": "object"},
    {"minimum": 15},
    {"maximum": 5}
  ],


  "if": {"minimum": 15},
  "then": {"multipleOf": 5},
  "else": {"multipleOf": 3}

}

test.json

[
  {
    "data": 1,
    "causeContext": [
      {"keyword":"if", "schemaPath": "#/if", "dataPath": "#", "valid": false, "causeContext": [
        {"keyword": "else", "schemaPath": "#/else", "dataPath": "#", "valid": false, "causeContext": [
          {"keyword": "multipleOf", "schemaPath": "#/else/multipleOf", "dataPath": "#", "valid": false}
        ]}
      ]}
    ]
  },



  {
    "data": "abc",
    "causeContext": [
      {"keyword":"type", "schemaPath": "#/type", "dataPath": "#", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false, "causeContext": [
        {"schemaPath": "#/oneOf/0", "dataPath": "#", "valid": false, "causeContext": [
          {"keyword":"type", "schemaPath": "#/oneOf/0/type", "dataPath": "#", "valid": false}
        ]},
        {"schemaPath": "#/oneOf/1", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/2", "dataPath": "#", "valid": true}
      ]}
    ]
  },



  {
    "data": 3,
    "causeContext": []
  },



  {
    "data":{"abcde": {"zoo":"f"}},
    "causeContext": [
      {"keyword":"oneOf", "schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf", "dataPath":"#/abcde/zoo", "valid": false, "causeContext":[
        {"schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf/0", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
          {"keyword":"const", "schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf/0/const", "dataPath": "#/abcde/zoo", "valid": false}
        ]},
        {"schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf/1", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
          {"keyword":"const", "schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf/1/const", "dataPath": "#/abcde/zoo", "valid": false}
        ]},
        {"schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf/2", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
          {"keyword":"$ref", "schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf/2/$ref", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
            {"keyword":"$ref", "schemaPath": "#/cde/$ref", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
              {"keyword":"anyOf", "schemaPath": "#/cdeDef/anyOf", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
                {"schemaPath": "#/cdeDef/anyOf/0", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
                  {"keyword":"const", "schemaPath": "#/cdeDef/anyOf/0/const", "dataPath": "#/abcde/zoo", "valid": false}
                ]},
                {"schemaPath": "#/cdeDef/anyOf/1", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
                  {"keyword":"const", "schemaPath": "#/cdeDef/anyOf/1/const", "dataPath": "#/abcde/zoo", "valid": false}
                ]},
                {"schemaPath": "#/cdeDef/anyOf/2", "dataPath": "#/abcde/zoo", "valid": false, "causeContext": [
                  {"keyword":"const", "schemaPath": "#/cdeDef/anyOf/2/const", "dataPath": "#/abcde/zoo", "valid": false}
                ]}
              ]}
            ]}
          ]}
        ]}
      ]}
    ]
  },



  {
    "data": {"foo": "a", "bar": 10},
    "causeContext": [
      {"keyword": "anyOf", "schemaPath": "#/anyOf", "dataPath": "#", "valid": false, "causeContext": [
        {"schemaPath": "#/anyOf/0", "dataPath": "#", "valid": false, "causeContext": [
          {"keyword": "multipleOf", "schemaPath": "#/anyOf/0/properties/bar/multipleOf", "dataPath": "#/bar", "valid": false}
        ]},
        {"schemaPath": "#/anyOf/1", "dataPath": "#", "valid": false, "causeContext": [
          {"keyword": "enum", "schemaPath": "#/anyOf/1/properties/foo/enum", "dataPath": "#/foo", "valid": false}
        ]}
      ]},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false, "causeContext": [
        {"schemaPath": "#/oneOf/0", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/1", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/2", "dataPath": "#", "valid": true}
      ]}
    ]
  },



  {
    "data": {"not1": 1},
    "causeContext": [
      {"schemaPath": "#/properties/not1", "dataPath": "#/not1", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false, "causeContext": [
        {"schemaPath": "#/oneOf/0", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/1", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/2", "dataPath": "#", "valid": true}
      ]}
    ]
  },



  {
    "data": {"not2": 1},
    "causeContext": [
      {"keyword": "not", "schemaPath": "#/properties/not2/not", "dataPath": "#/not2", "valid": false, "causeContext": [
        {"schemaPath": "#/properties/not2/not", "dataPath": "#/not2", "valid": true}
      ]},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false, "causeContext": [
        {"schemaPath": "#/oneOf/0", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/1", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/2", "dataPath": "#", "valid": true}
      ]}
    ]
  },



  {
    "data": {"not3": 1},
    "causeContext": [
      {"keyword": "not", "schemaPath": "#/properties/not3/not", "dataPath": "#/not3", "valid": false, "causeContext": [
        {"schemaPath": "#/properties/not3/not", "dataPath": "#/not3", "valid": true}
      ]},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false, "causeContext": [
        {"schemaPath": "#/oneOf/0", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/1", "dataPath": "#", "valid": true},
        {"schemaPath": "#/oneOf/2", "dataPath": "#", "valid": true}
      ]}
    ]
  }

]

test_min.json

[
  {
    "data": 1,
    "causeContext": [
      {"keyword":"if", "schemaPath": "#/if", "dataPath": "#", "valid": false}
    ]
  },



  {
    "data": "abc",
    "causeContext": [
      {"keyword":"type", "schemaPath": "#/type", "dataPath": "#", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false}
    ]
  },



  {
    "data": 3,
    "causeContext": []
  },



  {
    "data":{"abcde": {"zoo":"f"}},
    "causeContext": [
      {"keyword":"oneOf", "schemaPath": "#/properties/abcde/patternProperties/%5E%5Ba-zA-Z0-9_%5D%2B%24/oneOf", "dataPath":"#/abcde/zoo", "valid": false}
    ]
  },



  {
    "data": {"foo": "a", "bar": 10},
    "causeContext": [
      {"keyword": "anyOf", "schemaPath": "#/anyOf", "dataPath": "#", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false}
    ]
  },



  {
    "data": {"not1": 1},
    "causeContext": [
      {"schemaPath": "#/properties/not1", "dataPath": "#/not1", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false}
    ]
  },



  {
    "data": {"not2": 1},
    "causeContext": [
      {"keyword": "not", "schemaPath": "#/properties/not2/not", "dataPath": "#/not2", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false}
    ]
  },



  {
    "data": {"not3": 1},
    "causeContext": [
      {"keyword": "not", "schemaPath": "#/properties/not3/not", "dataPath": "#/not3", "valid": false},
      {"keyword":"oneOf", "schemaPath": "#/oneOf", "dataPath": "#", "valid": false}
    ]
  }

  
]