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mod interface {
use crate::{
GraphQLObject, graphql_interface, graphql_object,
schema::model::RootNode,
types::scalars::{EmptyMutation, EmptySubscription},
};
// TODO: Consider this for the GraphQL interfaces in the expansion.
#[expect(dead_code, reason = "GraphQL schema testing")]
#[graphql_interface]
#[graphql(for = [Cat, Dog])]
trait Pet {
fn name(&self) -> &str;
}
#[derive(GraphQLObject)]
#[graphql(impl = PetValue)]
struct Dog {
name: String,
woofs: bool,
}
#[derive(GraphQLObject)]
#[graphql(impl = PetValue)]
struct Cat {
name: String,
meows: bool,
}
struct Schema {
pets: Vec<PetValue>,
}
#[graphql_object]
impl Schema {
fn pets(&self) -> &Vec<PetValue> {
&self.pets
}
}
#[tokio::test]
async fn test() {
let schema = RootNode::new(
Schema {
pets: vec![
Dog {
name: "Odie".into(),
woofs: true,
}
.into(),
Cat {
name: "Garfield".into(),
meows: false,
}
.into(),
],
},
EmptyMutation::<()>::new(),
EmptySubscription::<()>::new(),
);
let doc = r"
{
pets {
name
... on Dog {
woofs
}
... on Cat {
meows
}
}
}";
let vars = vec![].into_iter().collect();
let (result, errs) = crate::execute(doc, None, &schema, &vars, &())
.await
.expect("Execution failed");
assert_eq!(errs, []);
println!("Result: {result:#?}");
assert_eq!(
result,
graphql_value!({
"pets": [{
"name": "Odie",
"woofs": true,
}, {
"name": "Garfield",
"meows": false,
}],
}),
);
}
}
mod union {
use crate::{
graphql_object, graphql_union,
schema::model::RootNode,
types::scalars::{EmptyMutation, EmptySubscription},
};
#[graphql_union]
trait Pet {
fn as_dog(&self) -> Option<&Dog> {
None
}
fn as_cat(&self) -> Option<&Cat> {
None
}
}
struct Dog {
name: String,
woofs: bool,
}
impl Pet for Dog {
fn as_dog(&self) -> Option<&Dog> {
Some(self)
}
}
#[graphql_object]
impl Dog {
fn name(&self) -> &str {
&self.name
}
fn woofs(&self) -> bool {
self.woofs
}
}
struct Cat {
name: String,
meows: bool,
}
impl Pet for Cat {
fn as_cat(&self) -> Option<&Cat> {
Some(self)
}
}
#[graphql_object]
impl Cat {
fn name(&self) -> &str {
&self.name
}
fn meows(&self) -> bool {
self.meows
}
}
struct Schema {
pets: Vec<Box<dyn Pet + Send + Sync>>,
}
#[graphql_object]
impl Schema {
fn pets(&self) -> Vec<&(dyn Pet + Send + Sync)> {
self.pets.iter().map(|p| p.as_ref()).collect()
}
}
#[tokio::test]
async fn test_unions() {
let schema = RootNode::new(
Schema {
pets: vec![
Box::new(Dog {
name: "Odie".into(),
woofs: true,
}),
Box::new(Cat {
name: "Garfield".into(),
meows: false,
}),
],
},
EmptyMutation::<()>::new(),
EmptySubscription::<()>::new(),
);
let doc = r"
{
pets {
__typename
... on Dog {
name
woofs
}
... on Cat {
name
meows
}
}
}";
let vars = vec![].into_iter().collect();
let (result, errs) = crate::execute(doc, None, &schema, &vars, &())
.await
.expect("Execution failed");
assert_eq!(errs, []);
println!("Result: {result:#?}");
assert_eq!(
result,
graphql_value!({
"pets": [{
"__typename": "Dog",
"name": "Odie",
"woofs": true,
}, {
"__typename": "Cat",
"name": "Garfield",
"meows": false,
}],
}),
);
}
}