Different results between web validator and NuGet package

[Baudin999]

I am getting different results between the web validator and my validation in code, the schema is:

{
  "title": "Response",
  "description": "",
  "references": {
    "KeyValue": {
      "title": "KeyValue",
      "description": "",
      "type": "object",
      "properties": {
        "Key": {
          "title": "Key",
          "description": "",
          "type": "string",
          "minLength": 1,
          "maxLength": 100
        },
        "Value": {
          "title": "Value",
          "description": "",
          "type": "string",
          "minLength": 1,
          "maxLength": 100
        }
      },
      "required": [
        "Key",
        "Value"
      ]
    },
    "Person": {
      "title": "Person",
      "description": "",
      "type": "object",
      "properties": {
        "FirstName": {
          "title": "FirstName",
          "description": "",
          "type": "string",
          "minLength": 1,
          "maxLength": 100
        }
      },
      "required": [
        "FirstName"
      ]
    },
    "ValidResponse": {
      "title": "ValidResponse",
      "description": "",
      "type": "object",
      "properties": {
        "Headers": {
          "title": "Headers",
          "description": "",
          "items": {
            "$ref": "#/references/KeyValue"
          }
        },
        "Body": {
          "title": "Body",
          "description": "",
          "$ref": "#/references/Person"
        }
      },
      "required": [
        "Headers",
        "Body"
      ]
    },
    "Error404": {
      "title": "Error404",
      "description": "",
      "type": "object",
      "properties": {
        "Code": {
          "title": "Code",
          "description": "",
          "type": "number"
        },
        "Message": {
          "title": "Message",
          "description": "",
          "type": "string",
          "minLength": 1,
          "maxLength": 100
        }
      },
      "required": [
        "Code",
        "Message"
      ]
    }
  },
  "oneOf": [
    {
      "title": "ValidResponse",
      "$ref": "#/references/ValidResponse"
    },
    {
      "title": "Error404",
      "$ref": "#/references/Error404"
    }
  ]
}

The JSON I am trying to validate:

{
  'Headers': [
    {
      'Key': 'Token',
      'Value': 'Foo'
    }
  ],
  'Body': {
    'FirstName':'Peter'
  }
}

This passes (and should pass) on the web validator, but when I try to validate this using C#:

IList<ValidationError> errors;
bool valid = person.IsValid(schema, out errors);
Assert.True(valid);
Assert.Empty(errors);

I get the following error:

JSON is valid against more than one schema from 'oneOf'. Valid schema indexes: 0, 1. Path '', line 2, position 1.

I am using:

• Newtonsoft.Json.Schema (3.0.14)
• TargetFramework: net5.0
• Nullable: enable
• LangVersion: latest

[JamesNK]

Looks valid to me: https://dotnetfiddle.net/i3NeRr

[Baudin999]

I have found another weird thing, I've gotten the schema text by doing a .ToString().

If I now change my code of the test suite to:

JSchema _schema = getSchema();
string schemaText = _schema.ToString();
JSchema schema = JSchema.Parse(schemaText);

The tests succeed. If I just use _schema the tests fail.

[eduardoferrari]

@Baudin999 , how did you manage to install/use the version 3.0.14 with net5.0?

When I try to install (via command line on MAC) I'm getting the error below:

dotnet add package Newtonsoft.Json.Schema --version 3.0.14

error: NU1100: Unable to resolve 'Newtonsoft.Json.Schema (>= 3.0.14)' for 'net5.0'. error: Package 'Newtonsoft.Json.Schema' is incompatible with 'all' frameworks in project '/wa/CLOUD/AZURE/APPLICATIONS/SUBSCRIPTIONS-DB/data-model/models/models.csproj'.

Thank you

[Baudin999]

It just seemed to work... I did nothing special to install that version. I did use the Visual Studio Nuget Manager and not the CLI tool

[eduardoferrari]

:D yes, exactly... I got it working using the VS 2019.... but not with VS Code and CLI... :/

Thank you