From d724507458c74dc8c16c428aba5edfee6940ddfb Mon Sep 17 00:00:00 2001
From: Sunli <scott_s829@163.com>
Date: Fri, 17 Sep 2021 09:02:09 +0800
Subject: [PATCH] Implement GraphQL enum to Value conversion. #617

---
 derive/src/enum.rs |  6 ++++++
 tests/error_ext.rs | 11 ++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/derive/src/enum.rs b/derive/src/enum.rs
index d3bfc185..40432691 100644
--- a/derive/src/enum.rs
+++ b/derive/src/enum.rs
@@ -167,6 +167,12 @@ pub fn generate(enum_args: &args::Enum) -> GeneratorResult<TokenStream> {
             }
         }
 
+        impl From<#ident> for #crate_name::Value {
+            fn from(value: #ident) -> #crate_name::Value {
+                #crate_name::resolver_utils::enum_value(value)
+            }
+        }
+
         #remote_conversion
     };
     Ok(expanded.into())
diff --git a/tests/error_ext.rs b/tests/error_ext.rs
index b26c4fc6..6214b08d 100644
--- a/tests/error_ext.rs
+++ b/tests/error_ext.rs
@@ -2,6 +2,13 @@ use async_graphql::*;
 
 #[tokio::test]
 pub async fn test_error_extensions() {
+    #[derive(Enum, Eq, PartialEq, Copy, Clone)]
+    enum MyEnum {
+        Create,
+        Delete,
+        Update,
+    }
+
     struct Query;
 
     #[Object]
@@ -10,6 +17,7 @@ pub async fn test_error_extensions() {
             Err("my error".extend_with(|err, e| {
                 e.set("msg", err.to_string());
                 e.set("code", 100);
+                e.set("action", MyEnum::Create)
             }))
         }
 
@@ -40,7 +48,8 @@ pub async fn test_error_extensions() {
                 "path": ["extendErr"],
                 "extensions": {
                     "msg": "my error",
-                    "code": 100
+                    "code": 100,
+                    "action": "CREATE",
                 }
             }]
         })