chore: @alias Directive for Enum Field (#2969)

src/core/blueprint/blueprint.rs

@@ -101,6 +101,7 @@ pub struct EnumValueDefinition {
     pub description: Option<String>,
     pub name: String,
     pub directives: Vec<Directive>,
+    pub alias: BTreeSet<String>,
 }
 
 #[derive(Clone, Debug, Default)]

src/core/blueprint/definitions.rs

@@ -243,6 +243,7 @@ fn to_enum_type_definition((name, eu): (&String, &Enum)) -> Definition {
                 description: None,
                 name: variant.name.clone(),
                 directives: vec![],
+                alias: variant.alias.clone().unwrap_or_default().options,
             })
             .collect(),
     })

src/core/blueprint/index.rs

@@ -48,7 +48,10 @@ impl Index {
         let def = self.map.get(type_name).map(|(def, _)| def);
 
         if let Some(Definition::Enum(enum_)) = def {
-            enum_.enum_values.iter().any(|v| v.name == value)
+            enum_
+                .enum_values
+                .iter()
+                .any(|v| v.name == value || v.alias.contains(value))
         } else {
             false
         }

src/core/blueprint/snapshots/tailcall__core__blueprint__index__test__from_blueprint.snap

@@ -1192,16 +1192,19 @@ Index {
                             description: None,
                             name: "ACTIVE",
                             directives: [],
+                            alias: {},
                         },
                         EnumValueDefinition {
                             description: None,
                             name: "INACTIVE",
                             directives: [],
+                            alias: {},
                         },
                         EnumValueDefinition {
                             description: None,
                             name: "PENDING",
                             directives: [],
+                            alias: {},
                         },
                     ],
                 },

src/core/config/directives/alias.rs

@@ -5,6 +5,7 @@ use tailcall_macros::{DirectiveDefinition, MergeRight};
 
 /// The @alias directive indicates that aliases of one enum value.
 #[derive(
+    Default,
     Serialize,
     Deserialize,
     Clone,

tests/core/snapshots/test-alias-on-enum.md_0.snap

@@ -0,0 +1,21 @@
+---
+source: tests/core/spec.rs
+expression: response
+---
+{
+  "status": 200,
+  "headers": {
+    "content-type": "application/json"
+  },
+  "body": {
+    "data": {
+      "color": {
+        "departments": [
+          "ENGINEERING",
+          "MARKETING",
+          "HR"
+        ]
+      }
+    }
+  }
+}

tests/core/snapshots/test-alias-on-enum.md_client.snap

@@ -0,0 +1,57 @@
+---
+source: tests/core/spec.rs
+expression: formatted
+---
+scalar Bytes
+
+type DTA {
+  departments: [Department]
+}
+
+scalar Date
+
+scalar DateTime
+
+enum Department {
+  ENGINEERING
+  HUMAN_RESOURCE
+  MARKETING
+}
+
+scalar Email
+
+scalar Empty
+
+scalar Int128
+
+scalar Int16
+
+scalar Int32
+
+scalar Int64
+
+scalar Int8
+
+scalar JSON
+
+scalar PhoneNumber
+
+type Query {
+  color: DTA
+}
+
+scalar UInt128
+
+scalar UInt16
+
+scalar UInt32
+
+scalar UInt64
+
+scalar UInt8
+
+scalar Url
+
+schema {
+  query: Query
+}

tests/core/snapshots/test-alias-on-enum.md_merged.snap

@@ -0,0 +1,21 @@
+---
+source: tests/core/spec.rs
+expression: formatter
+---
+schema @server(batchRequests: true) @upstream(batch: {delay: 1, headers: [], maxSize: 100}) {
+  query: Query
+}
+
+enum Department {
+  ENGINEERING
+  HUMAN_RESOURCE @alias(options: ["HR"])
+  MARKETING
+}
+
+type DTA {
+  departments: [Department]
+}
+
+type Query {
+  color: DTA @expr(body: {departments: ["ENGINEERING", "MARKETING", "HR"]})
+}

tests/execution/test-alias-on-enum.md

@@ -0,0 +1,32 @@
+# test-alias-on-enum
+
+```graphql @config
+schema @server(batchRequests: true) @upstream(batch: {delay: 1, headers: [], maxSize: 100}) {
+  query: Query
+}
+
+schema @server(enableJIT: false) {
+  query: Query
+}
+
+enum Department {
+  ENGINEERING
+  MARKETING
+  HUMAN_RESOURCE @alias(options: ["HR"])
+}
+
+type Query {
+  color: DTA @expr(body: {departments: ["ENGINEERING", "MARKETING", "HR"]})
+}
+
+type DTA {
+  departments: [Department]
+}
+```
+
+```yml @test
+- method: POST
+  url: http://localhost:8080/graphql
+  body:
+    query: "query { color { departments } }"
+```