Gre*_* Su 22 ruby json jsonschema
我的JSON字符串格式为:
{
"count":3,
"data":[
{
"a":{"ax":1}
},
{
"b":{"bx":2}
},
{
"c":{"cx":4}
}
]
}
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该data
数组包含许多a
和b
和c
.而且没有其他种类的对象.
如果count==0
,data
应该是一个空数组[]
.
我正在使用https://github.com/hoxworth/json-schema来验证Ruby中的这些JSON对象.
require 'rubygems'
require 'json-schema'
p JSON::Validator.fully_validate('schema.json',"test.json")
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该schema.json
方法是:
{
"type":"object",
"$schema": "http://json-schema.org/draft-03/schema",
"required":true,
"properties":{
"count": { "type":"number", "id": "count", "required":true },
"data": { "type":"array", "id": "data", "required":true,
"items":[
{ "type":"object", "required":false, "properties":{ "a": { "type":"object", "id": "a", "required":true, "properties":{ "ax": { "type":"number", "id": "ax", "required":true } } } } },
{ "type":"object", "required":false, "properties":{ "b": { "type":"object", "id": "b", "required":true, "properties":{ "bx": { "type":"number", "id": "bx", "required":true } } } } },
{ "type":"object", "required":false, "properties":{ "c": { "type":"object", "id": "c", "required":true, "properties":{ "cx": { "type":"number", "id": "cx", "required":true } } } } }
]
}
}
}
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但是这个test.json
将通过验证,而我认为它应该失败:
{
"count":3,
"data":[
{
"a":{"ax":1}
},
{
"b":{"bx":2}
},
{
"c":{"cx":2}
},
{
"c": {"z":"aa"}
}
]
}
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这test.json
将失败,而我认为它应该通过:
{
"count":3,
"data":[
{
"a":{"ax":1}
},
{
"b":{"bx":2}
}
]
}
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似乎错误的模式验证data
数组包含a,b,c
一次.
什么是正确的架构?
Con*_*ion 30
从JSON架构规范,第5.5节.项目:
当此属性值是模式数组且实例
值是数组时,实例数组中的每个位置必须符合
此数组的相应位置中的模式.这
叫做元组打字.
您的模式定义要求数组的前三个元素恰好是'a','b'和'c'元素.如果items
留空,则允许任何数组元素.同样,如果additionalItems
保留为空,则允许任何其他数组元素.
为了得到你想要的东西,你需要指定"additionalItems": false
并为此items
,我认为以下(有些缩短你的定义)应该工作:
"items": {
"type": [
{"type":"object", "properties": {"a": {"type": "object", "properties": {"ax": { "type":"number"}}}}},
{"type":"object", "properties": {"b": {"type": "object", "properties": {"bx": { "type":"number"}}}}},
{"type":"object", "properties": {"c": {"type": "object", "properties": {"cx": { "type":"number"}}}}}
]
}
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