Scalar Upload is converted as String

[rajeshomprakash]

i want to test file upload, the graphql client converts the schema to kotlin data class files but i observe Scalar type Upload is mapped with String.

We write test scripts in kotlin to test mutations . How should be the request be constructed to test file upload

[Dariusz Kuc]

Upload is a custom scalar so by default it is typealiased to String, you can register custom converters to bind it to other types.

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In general I'd advise against using a base64 "hack" to upload files through GraphQL. IMHO much better and scalable solution is to have a mutation that returns you presigned urls to a native solution (e.g. AWS, GCloud, etc).