Fix unused errors in tests (#32)

* fix unused error in app.rs

* fix unused error in scalar.rs

* fix unused error in expand object.rs

* fix dead code warnings

derive/src/args/app.rs

@@ -7,8 +7,14 @@ use crate::utils::crate_name::get_crate_name;
 use crate::utils::derive_types::BaseStruct;
 use crate::utils::derive_types::TupleField;
 
+use super::common::impl_suppress_tupple_clippy_error;
+
 pub type App = BaseStruct<TupleField, Generics>;
 
+fn impl_suppress_clippy_error(app: &App) -> TokenStream {
+    impl_suppress_tupple_clippy_error(&app.ident, &app.generics, app.data.fields.len())
+}
+
 fn impl_create_schema(app: &App) -> TokenStream {
     let crate_name = get_crate_name();
     let ident = &app.ident;
@@ -54,9 +60,11 @@ impl ToTokens for App {
     fn to_tokens(&self, tokens: &mut TokenStream) {
         let impl_register = impl_register(self);
         let impl_create_schema = impl_create_schema(self);
+        let impl_suppress_clippy_error = impl_suppress_clippy_error(self);
         tokens.extend(quote! {
             #impl_register
             #impl_create_schema
+            #impl_suppress_clippy_error
         });
     }
 }

derive/src/args/common.rs

@@ -1,6 +1,7 @@
 use std::collections::HashSet;
 
 pub use args::*;
+pub use clippy_error::impl_suppress_tupple_clippy_error;
 pub use fields::*;
 pub use generics::*;
 pub use interfaces::*;
@@ -22,6 +23,7 @@ use crate::utils::rename_rule::calc_type_name;
 use crate::utils::type_utils::get_owned_type;
 
 mod args;
+mod clippy_error;
 mod fields;
 mod generics;
 mod interfaces;

derive/src/args/common/clippy_error.rs

@@ -0,0 +1,29 @@
+use quote::quote;
+
+use proc_macro2::TokenStream;
+use syn::Generics;
+
+pub fn impl_suppress_tupple_clippy_error(
+    ident: &syn::Ident,
+    generics: &Generics,
+    len: usize,
+) -> TokenStream {
+    let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+    let accesses: TokenStream = (0..len)
+        .map(|index| {
+            let index = syn::Index::from(index);
+            quote! {
+                let _ = self.#index;
+            }
+        })
+        .collect();
+    quote! {
+         impl #impl_generics #ident #ty_generics #where_clause {
+             #[allow(dead_code)]
+             #[doc(hidden)]
+             fn _suppress_clippy_error(&self) {
+                 #accesses
+             }
+         }
+    }
+}

derive/src/args/expand_object.rs

@@ -14,6 +14,8 @@ use crate::utils::register_attr::RegisterAttr;
 use crate::utils::type_utils::get_owned_type;
 use crate::utils::with_attributes::WithAttributes;
 
+use super::common::impl_suppress_tupple_clippy_error;
+
 #[derive(FromAttributes, Debug, Clone)]
 #[darling(attributes(graphql))]
 pub struct ExpandObjectAttrs {
@@ -120,19 +122,25 @@ fn impl_register_fns_trait(object: &impl CommonObject) -> darling::Result<TokenS
     Ok(q)
 }
 
+fn impl_suppress_clippy_error(expand_object: &ExpandObject) -> TokenStream {
+    impl_suppress_tupple_clippy_error(&expand_object.ident, &expand_object.generics, 1)
+}
+
 impl ToTokens for ExpandObject {
     fn to_tokens(&self, tokens: &mut TokenStream) {
         let impl_expand_object = impl_expand_object(self).into_token_stream();
         // let impl_parent = impl_parent(self).into_token_stream();
         let impl_from = impl_from(self).into_token_stream();
         let impl_register_fns_trait = impl_register_fns_trait(self).into_token_stream();
         let impl_registers_fn = impl_registers_fn(self).into_token_stream();
+        let impl_suppress = impl_suppress_clippy_error(self);
         tokens.extend(quote! {
             #impl_registers_fn
             #impl_expand_object
             #impl_from
             // #impl_parent
             #impl_register_fns_trait
+            #impl_suppress
         });
     }
 }

derive/src/args/scalar.rs

@@ -20,6 +20,8 @@ use crate::utils::register_attr::RegisterAttr;
 use crate::utils::with_attributes::WithAttributes;
 use crate::utils::with_doc::WithDoc;
 
+use super::common::impl_suppress_tupple_clippy_error;
+
 #[derive(FromAttributes, Debug, Clone)]
 #[darling(attributes(graphql))]
 pub struct ScalarAttrs {
@@ -188,19 +190,25 @@ fn impl_register(scalar: &Scalar) -> darling::Result<TokenStream> {
     })
 }
 
+fn impl_suppress_clippy_error(scalar: &Scalar) -> TokenStream {
+    impl_suppress_tupple_clippy_error(&scalar.ident, &scalar.generics, 1)
+}
+
 impl ToTokens for Scalar {
     fn to_tokens(&self, tokens: &mut TokenStream) {
         let impl_scalar = impl_scalar(self).into_token_stream();
         let impl_resolved_own = impl_resolved_own(self).into_token_stream();
         let impl_resolve_ref = impl_resolve_ref(self).into_token_stream();
         let impl_from_value = impl_from_value(self).into_token_stream();
         let impl_register = impl_register(self).into_token_stream();
+        let impl_suppress = impl_suppress_clippy_error(self);
         tokens.extend(quote! {
             #impl_scalar
             #impl_resolved_own
             #impl_resolve_ref
             #impl_from_value
             #impl_register
+            #impl_suppress
         })
     }
 }

derive/tests/app.rs

@@ -54,6 +54,7 @@ fn test_app_with_generic() {
     }
 
     trait GetFoo {
+        #[allow(dead_code)]
         fn get_foo(&self) -> Foo;
     }
 
@@ -105,6 +106,7 @@ fn test_app_with_lifetime() {
         pub string: Foo,
     }
 
+    #[allow(dead_code)]
     struct Other<'a>(&'a Foo);
     impl<'a> Register for Other<'a> {
         fn register(registry: Registry) -> Registry {
@@ -147,6 +149,7 @@ fn test_app_with_generic_and_lifetime() {
     }
 
     trait GetFoo {
+        #[allow(dead_code)]
         fn get_foo(&self) -> Foo;
     }
 
@@ -158,6 +161,7 @@ fn test_app_with_generic_and_lifetime() {
         }
     }
 
+    #[allow(dead_code)]
     struct Other<'a, T>(&'a T)
     where
         T: GetFoo;

derive/tests/interface/interface_tests.rs

@@ -295,6 +295,7 @@ fn test_schema_with_skip() {
     #[Interface]
     trait Node {
         fn the_id(&self) -> String;
+        #[allow(dead_code)]
         #[graphql(skip)]
         fn old(&self) -> String;
     }