Using type.isValid() with a union of records

[rvallely]

Hello,

I'm testing a schema using the type.isValid method and I'm confused as to why it's failing to validate a union of records. This is the expect statement from my test file.

The errorHook logs out path: [ 'user' ] any: { firstname: 'sam', age: 28 } typeof any: object.

I'm wondering if I'm missing a step specific to a union of records? It correctly validates a union of primitive values and if I use just the Userone record instead of the union it validates correctly too. I'm a bit stumped as to what's going on. Any help would be much appreciated. The avsc version I'm running is 5.7.7.

[NickKelly1]

You have to tell avsc which union member it is. In your case it's the union member named "UserOne". You do this by wrapping the union value under another object with a property whose name is the union members name. See example below. Sometimes wrapping isn't needed when the union members are easily distinguished (can't remember the rules but they are simple) but this is not the case for two record types. (there's also an option to turn off auto-wrapping).

{
  dirty: true,
  expires: ...,
  user: {
    UserOne: {
      firstname: "sam",
      age: 28
    }
  }
}

[rvallely]

Thanks for this! The test working as expected. Is this data formatting also required when you serialise this kind of data?

[NickKelly1]

Is this data formatting also required when you serialise this kind of data?

yep, that's right