Fix tests

src/lib.rs

@@ -447,7 +447,12 @@ pub use async_graphql_derive::InputObject;
 ///
 /// ```ignore
 /// #[Interface]
-/// struct MyInterface(TypeA, TypeB, TypeC, ...);
+/// enum MyInterface {
+///     TypeA(TypeA),
+///     TypeB(TypeB),
+///     TypeC(TypeC),
+///     ...
+/// }
 /// ```
 ///
 /// # Fields
@@ -487,7 +492,9 @@ pub use async_graphql_derive::InputObject;
 ///         arg(name = "a", type = "i32"),
 ///         arg(name = "b", type = "i32")),
 /// )]
-/// struct MyInterface(TypeA);
+/// enum MyInterface {
+///     TypeA(TypeA)
+/// }
 ///
 /// struct QueryRoot;
 ///

src/validation/test_harness.rs

@@ -140,7 +140,12 @@ struct HumanOrAlien(Human, Alien);
         arg(name = "surname", type = "Option<bool>")
     )
 )]
-struct Being(Dog, Cat, Human, Alien);
+enum Being {
+    Dog(Dog),
+    Cat(Cat),
+    Human(Human),
+    Alien(Alien),
+}
 
 #[Interface(
     internal,
@@ -150,7 +155,10 @@ struct Being(Dog, Cat, Human, Alien);
         arg(name = "surname", type = "Option<bool>")
     )
 )]
-struct Pet(Dog, Cat);
+enum Pet {
+    Dog(Dog),
+    Cat(Cat),
+}
 
 #[Interface(
     internal,
@@ -160,10 +168,15 @@ struct Pet(Dog, Cat);
         arg(name = "surname", type = "Option<bool>")
     )
 )]
-struct Canine(Dog);
+enum Canine {
+    Dog(Dog),
+}
 
 #[Interface(internal, field(name = "iq", type = "Option<i32>"))]
-struct Intelligent(Human, Alien);
+enum Intelligent {
+    Human(Human),
+    Alien(Alien),
+}
 
 #[InputObject(internal)]
 struct ComplexInput {

tests/interface.rs

@@ -9,7 +9,9 @@ pub async fn test_interface_simple_object() {
     }
 
     #[async_graphql::Interface(field(name = "id", type = "i32"))]
-    struct Node(MyObj);
+    enum Node {
+        MyObj(MyObj),
+    }
 
     struct Query;
 
@@ -52,7 +54,9 @@ pub async fn test_interface_simple_object2() {
     }
 
     #[async_graphql::Interface(field(name = "id", type = "&i32"))]
-    struct Node(MyObj);
+    enum Node {
+        MyObj(MyObj),
+    }
 
     struct Query;
 
@@ -105,10 +109,14 @@ pub async fn test_multiple_interfaces() {
     }
 
     #[async_graphql::Interface(field(name = "value_a", type = "i32"))]
-    struct InterfaceA(MyObj);
+    enum InterfaceA {
+        MyObj(MyObj),
+    }
 
     #[async_graphql::Interface(field(name = "value_b", type = "i32"))]
-    struct InterfaceB(MyObj);
+    enum InterfaceB {
+        MyObj(MyObj),
+    }
 
     struct Query;
 
@@ -176,10 +184,15 @@ pub async fn test_multiple_objects_in_multiple_interfaces() {
     }
 
     #[async_graphql::Interface(field(name = "value_a", type = "i32"))]
-    struct InterfaceA(MyObjOne, MyObjTwo);
+    enum InterfaceA {
+        MyObjOne(MyObjOne),
+        MyObjTwo(MyObjTwo),
+    }
 
     #[async_graphql::Interface(field(name = "value_b", type = "i32"))]
-    struct InterfaceB(MyObjOne);
+    enum InterfaceB {
+        MyObjOne(MyObjOne),
+    }
 
     struct Query;
 
@@ -232,7 +245,9 @@ pub async fn test_interface_field_result() {
     }
 
     #[async_graphql::Interface(field(name = "value", type = "FieldResult<i32>"))]
-    struct Node(MyObj);
+    enum Node {
+        MyObj(MyObj),
+    }
 
     struct Query;
 

tests/subscription.rs

@@ -325,7 +325,9 @@ pub async fn test_subscription_fragment() {
     }
 
     #[Interface(field(name = "a", type = "i32"))]
-    struct MyInterface(Event);
+    enum MyInterface {
+        Event(Event),
+    }
 
     #[Object]
     impl QueryRoot {}
@@ -380,7 +382,9 @@ pub async fn test_subscription_fragment2() {
     }
 
     #[Interface(field(name = "a", type = "i32"))]
-    struct MyInterface(Event);
+    enum MyInterface {
+        Event(Event),
+    }
 
     #[Object]
     impl QueryRoot {}