Implement graphql_input_value! and graphql_vars! macros (#996, #503)

- add `From` impls to `InputValue` mirroring `Value` impls to provide better support for `Option` handling
- support expressions in `graphql_value!` macro
- use `null` in addition to `None` to create `Value::Null` in `graphql_value!` macro to mirror `serde_json::json!`
- use macros for `InputValue` and `Variables` construction in tests

Co-authored-by: Ilya Solovyiov <[email protected]>

Author: tyranron

integration_tests/juniper_tests/src/array.rs

@@ -1,6 +1,6 @@
 use juniper::{
-    graphql_object, graphql_value, EmptyMutation, EmptySubscription, GraphQLInputObject, RootNode,
-    Variables,
+    graphql_object, graphql_value, graphql_vars, EmptyMutation, EmptySubscription,
+    GraphQLInputObject, RootNode,
 };
 
 mod as_output_field {
@@ -24,7 +24,7 @@ mod as_output_field {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 
@@ -68,7 +68,7 @@ mod as_input_field {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 
@@ -85,7 +85,7 @@ mod as_input_field {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let res = juniper::execute(query, None, &schema, &Variables::new(), &()).await;
+        let res = juniper::execute(query, None, &schema, &graphql_vars! {}, &()).await;
 
         assert!(res.is_err());
         assert!(res
@@ -103,7 +103,7 @@ mod as_input_field {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let res = juniper::execute(query, None, &schema, &Variables::new(), &()).await;
+        let res = juniper::execute(query, None, &schema, &graphql_vars! {}, &()).await;
 
         assert!(res.is_err());
         assert!(res
@@ -121,7 +121,7 @@ mod as_input_field {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 
@@ -159,7 +159,7 @@ mod as_input_argument {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 
@@ -176,7 +176,7 @@ mod as_input_argument {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let res = juniper::execute(query, None, &schema, &Variables::new(), &()).await;
+        let res = juniper::execute(query, None, &schema, &graphql_vars! {}, &()).await;
 
         assert!(res.is_err());
         assert!(res
@@ -194,7 +194,7 @@ mod as_input_argument {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let res = juniper::execute(query, None, &schema, &Variables::new(), &()).await;
+        let res = juniper::execute(query, None, &schema, &graphql_vars! {}, &()).await;
 
         assert!(res.is_err());
         assert!(res
@@ -212,7 +212,7 @@ mod as_input_argument {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 
@@ -229,7 +229,7 @@ mod as_input_argument {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 
@@ -246,7 +246,7 @@ mod as_input_argument {
         "#;
 
         let schema = RootNode::new(Query, EmptyMutation::new(), EmptySubscription::new());
-        let (res, errors) = juniper::execute(query, None, &schema, &Variables::new(), &())
+        let (res, errors) = juniper::execute(query, None, &schema, &graphql_vars! {}, &())
             .await
             .unwrap();
 

integration_tests/juniper_tests/src/codegen/derive_enum.rs

@@ -1,6 +1,6 @@
 use fnv::FnvHashMap;
 use juniper::{
-    DefaultScalarValue, FromInputValue, GraphQLEnum, GraphQLType, InputValue, Registry,
+    graphql_input_value, DefaultScalarValue, FromInputValue, GraphQLEnum, GraphQLType, Registry,
     ToInputValue,
 };
 
@@ -74,26 +74,26 @@ fn test_derived_enum() {
     // Test no rename variant.
     assert_eq!(
         <_ as ToInputValue>::to_input_value(&NoRenameEnum::AnotherVariant),
-        InputValue::scalar("AnotherVariant")
+        graphql_input_value!("AnotherVariant"),
     );
 
     // Test Regular variant.
     assert_eq!(
         <_ as ToInputValue>::to_input_value(&SomeEnum::Regular),
-        InputValue::scalar("REGULAR")
+        graphql_input_value!("REGULAR"),
     );
     assert_eq!(
-        FromInputValue::<DefaultScalarValue>::from_input_value(&InputValue::scalar("REGULAR")),
-        Some(SomeEnum::Regular)
+        FromInputValue::<DefaultScalarValue>::from_input_value(&graphql_input_value!(REGULAR)),
+        Some(SomeEnum::Regular),
     );
 
     // Test FULL variant.
     assert_eq!(
         <_ as ToInputValue>::to_input_value(&SomeEnum::Full),
-        InputValue::scalar("FULL")
+        graphql_input_value!("FULL"),
     );
     assert_eq!(
-        FromInputValue::<DefaultScalarValue>::from_input_value(&InputValue::scalar("FULL")),
+        FromInputValue::<DefaultScalarValue>::from_input_value(&graphql_input_value!(FULL)),
         Some(SomeEnum::Full)
     );
 }

integration_tests/juniper_tests/src/codegen/derive_input_object.rs

@@ -1,7 +1,7 @@
 use fnv::FnvHashMap;
 use juniper::{
-    marker, DefaultScalarValue, FromInputValue, GraphQLInputObject, GraphQLType, GraphQLValue,
-    InputValue, Registry, ToInputValue,
+    graphql_input_value, marker, DefaultScalarValue, FromInputValue, GraphQLInputObject,
+    GraphQLType, GraphQLValue, InputValue, Registry, ToInputValue,
 };
 
 #[derive(GraphQLInputObject, Debug, PartialEq)]
@@ -65,7 +65,7 @@ impl<'a> FromInputValue for &'a Fake {
 
 impl<'a> ToInputValue for &'a Fake {
     fn to_input_value(&self) -> InputValue {
-        InputValue::scalar("this is fake")
+        graphql_input_value!("this is fake")
     }
 }
 
@@ -119,19 +119,17 @@ fn test_derived_input_object() {
 
     // Test default value injection.
 
-    let input_no_defaults: InputValue = ::serde_json::from_value(serde_json::json!({
+    let input_no_defaults = graphql_input_value!({
         "regularField": "a",
-    }))
-    .unwrap();
-
-    let output_no_defaults: Input = FromInputValue::from_input_value(&input_no_defaults).unwrap();
+    });
+    let output_no_defaults = Input::from_input_value(&input_no_defaults).unwrap();
     assert_eq!(
         output_no_defaults,
         Input {
             regular_field: "a".into(),
             c: 33,
             other: None,
-        }
+        },
     );
 
     // Test with all values supplied.
@@ -150,7 +148,7 @@ fn test_derived_input_object() {
             regular_field: "a".into(),
             c: 55,
             other: Some(true),
-        }
+        },
     );
 
     // Test disable renaming
@@ -165,7 +163,7 @@ fn test_derived_input_object() {
         output,
         NoRenameInput {
             regular_field: "hello".into(),
-        }
+        },
     );
 }
 

integration_tests/juniper_tests/src/codegen/derive_object_with_raw_idents.rs

@@ -1,6 +1,6 @@
 use juniper::{
-    execute, graphql_object, graphql_value, EmptyMutation, EmptySubscription, GraphQLInputObject,
-    RootNode, Value, Variables,
+    execute, graphql_object, graphql_value, graphql_vars, EmptyMutation, EmptySubscription,
+    GraphQLInputObject, RootNode, Value,
 };
 
 pub struct Query;
@@ -93,7 +93,7 @@ async fn run_type_info_query(doc: &str) -> Value {
         EmptySubscription::<()>::new(),
     );
 
-    let (result, errs) = execute(doc, None, &schema, &Variables::new(), &())
+    let (result, errs) = execute(doc, None, &schema, &graphql_vars! {}, &())
         .await
         .expect("Execution failed");
 

integration_tests/juniper_tests/src/codegen/impl_scalar.rs

@@ -1,6 +1,6 @@
 use juniper::{
-    execute, graphql_object, graphql_scalar, graphql_value, DefaultScalarValue, EmptyMutation,
-    EmptySubscription, Object, ParseScalarResult, ParseScalarValue, RootNode, Value, Variables,
+    execute, graphql_object, graphql_scalar, graphql_value, graphql_vars, DefaultScalarValue,
+    EmptyMutation, EmptySubscription, Object, ParseScalarResult, ParseScalarValue, RootNode, Value,
 };
 
 use crate::custom_scalar::MyScalarValue;
@@ -169,7 +169,7 @@ where
         EmptySubscription::<()>::new(),
     );
 
-    let (result, errs) = execute(doc, None, &schema, &Variables::new(), &())
+    let (result, errs) = execute(doc, None, &schema, &graphql_vars! {}, &())
         .await
         .expect("Execution failed");
 
@@ -226,7 +226,7 @@ async fn default_name_introspection() {
         );
         assert_eq!(
             type_info.get_field_value("description"),
-            Some(&graphql_value!(None)),
+            Some(&graphql_value!(null)),
         );
     })
     .await;
@@ -250,7 +250,7 @@ async fn other_order_introspection() {
         );
         assert_eq!(
             type_info.get_field_value("description"),
-            Some(&graphql_value!(None)),
+            Some(&graphql_value!(null)),
         );
     })
     .await;
@@ -274,7 +274,7 @@ async fn named_introspection() {
         );
         assert_eq!(
             type_info.get_field_value("description"),
-            Some(&graphql_value!(None)),
+            Some(&graphql_value!(null)),
         );
     })
     .await;
@@ -299,7 +299,7 @@ async fn scalar_description_introspection() {
         assert_eq!(
             type_info.get_field_value("description"),
             Some(&graphql_value!(
-                "A sample scalar, represented as an integer"
+                "A sample scalar, represented as an integer",
             )),
         );
     })
@@ -324,7 +324,7 @@ async fn generated_scalar_introspection() {
         );
         assert_eq!(
             type_info.get_field_value("description"),
-            Some(&graphql_value!(None)),
+            Some(&graphql_value!(null)),
         );
     })
     .await;
@@ -341,7 +341,7 @@ async fn resolves_with_custom_scalar_value() {
     );
 
     assert_eq!(
-        execute(DOC, None, &schema, &Variables::new(), &()).await,
+        execute(DOC, None, &schema, &graphql_vars! {}, &()).await,
         Ok((graphql_value!({"withCustomScalarValue": 0}), vec![])),
     );
 }