juniper/integration_tests/codegen_fail/fail/union/derive_no_fields.stderr
Jonas Meurer 558eae91df
Ensure Specification(June 2018) Compliance (#631)
* Implemented most test cases from the specification

* Unified error handling for all generators

- Removed proc-macro-error -> not required -> use syn::Error
- Everything below lib.rs uses proc_macro2::TokenStream
  instead of proc_macro::TokenStream
- Replaced error handling in attribute parsers

* WIP better error messages for *all* macros

* Refactored GraphQLInputObject and minor tweaks

- removed support for Scalar within a string ("DefaultScalarValue")
- removed unraw function and replaced it with the built-in one
- added error messages and return types for all functions within utils
- added more constraints to fulfill the GraphQL spec

* Fixed test-cases which are not compliant with the specification

* Removed unused function

* Added constrains, updated error messages, added marker

* Added argument rename within impl_graphql and fixed `__` tests

* Formatted and cleanup

* Added GraphQLTypeAsync for input object

* Moved codegen tests to separate module

Nightly and stable produce different outputs, thus only test nightly.

* Added IsInputType/IsOutputType traits for type checking

Co-authored-by: Christian Legnitto <LegNeato@users.noreply.github.com>
2020-05-01 16:24:01 -10:00

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error: GraphQL union expects at least one field
--> $DIR/derive_no_fields.rs:2:1
|
2 | enum Character {}
| ^^^^^^^^^^^^^^^^^
|
= note: https://spec.graphql.org/June2018/#sec-Unions