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use crate::query_planner::{
tests::testkit::{build_query_plan_with_defaults, init_logger},
utils::parsing::parse_operation,
};
use std::error::Error;
#[test]
fn simple_requires_provides() -> Result<(), Box<dyn Error>> {
init_logger();
let document = parse_operation(
r#"
query {
me {
reviews {
id
author {
id
username
}
product {
inStock
}
}
}
}"#,
);
let query_plan = build_query_plan_with_defaults(
"fixture/tests/requires-provides.supergraph.graphql",
document,
)?;
insta::assert_snapshot!(format!("{}", query_plan), @r#"
QueryPlan {
Sequence {
Fetch(service: "accounts") {
{
me {
__typename
id
}
}
},
Flatten(path: "me") {
Fetch(service: "reviews") {
{
... on User {
__typename
id
}
} =>
{
... on User {
reviews {
id
author {
id
username
}
product {
__typename
upc
}
}
}
}
},
},
Flatten(path: "me.reviews.@.product") {
Fetch(service: "inventory") {
{
... on Product {
__typename
upc
}
} =>
{
... on Product {
inStock
}
}
},
},
},
},
"#);
insta::assert_snapshot!(format!("{}", sonic_rs::to_string_pretty(&query_plan).unwrap_or_default()), @r#"
{
"kind": "QueryPlan",
"node": {
"kind": "Sequence",
"nodes": [
{
"kind": "Fetch",
"serviceName": "accounts",
"operationKind": "query",
"operation": "{me{__typename id}}"
},
{
"kind": "Flatten",
"path": [
{
"Field": "me"
}
],
"node": {
"kind": "Fetch",
"serviceName": "reviews",
"operationKind": "query",
"operation": "query($representations:[_Any!]!){_entities(representations: $representations){...on User{reviews{id author{id username} product{__typename upc}}}}}",
"requires": [
{
"kind": "InlineFragment",
"typeCondition": "User",
"selections": [
{
"kind": "Field",
"name": "__typename"
},
{
"kind": "Field",
"name": "id"
}
]
}
]
}
},
{
"kind": "Flatten",
"path": [
{
"Field": "me"
},
{
"Field": "reviews"
},
"@",
{
"Field": "product"
}
],
"node": {
"kind": "Fetch",
"serviceName": "inventory",
"operationKind": "query",
"operation": "query($representations:[_Any!]!){_entities(representations: $representations){...on Product{inStock}}}",
"requires": [
{
"kind": "InlineFragment",
"typeCondition": "Product",
"selections": [
{
"kind": "Field",
"name": "__typename"
},
{
"kind": "Field",
"name": "upc"
}
]
}
]
}
}
]
}
}
"#);
Ok(())
}