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Apologies if this has already been ask, but I wasn't able able to find an answer that works

I am having trouble validating a JSON Schema using an enum type with AVJ

I would expect the below code to return false, since the given value does not appear in the enum type

var Ajv = require('ajv');
var ajv = new Ajv();

var schema = {
  gender: {
    enum: [
      'male',
      'female',
      'other'
    ]
  }
};
ajv.validate(schema, { gender: 'test' });
// returns true

Are you able to let me know how to fix this please

Apologies if this has already been ask, but I wasn't able able to find an answer that works

I am having trouble validating a JSON Schema using an enum type with AVJ

I would expect the below code to return false, since the given value does not appear in the enum type

var Ajv = require('ajv');
var ajv = new Ajv();

var schema = {
  gender: {
    enum: [
      'male',
      'female',
      'other'
    ]
  }
};
ajv.validate(schema, { gender: 'test' });
// returns true

Are you able to let me know how to fix this please

• javascript
• node.js
• enums
• jsonschema

Share Improve this question Follow asked May 13, 2020 at 19:33 user1506269user1506269

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1 Answer 1

Sorted by: Reset to default 9

In JSON Schema, all properties in the schema are directives called keywords. Unknown keywords are ignored.

In your schema, "gender" isn't a known JSON Schema keyword, so it's going to be ignored. You're probably looking for the "properties" keyword:

{
  properties: {
    "gender": {
      enum: ["male", "female", "other"]
    }
  }
}

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