graphql-composition 0.12.2

An implementation of GraphQL federated schema composition
Documentation 
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---
source: crates/graphql-composition/tests/composition_tests.rs
expression: Federated SDL
input_file: crates/graphql-composition/tests/composition/requires_basic/test.md
---
schema
  @link(url: "https://specs.apollo.dev/link/v1.0")
  @link(url: "https://specs.apollo.dev/join/v0.3", for: EXECUTION)
  @link(url: "https://specs.apollo.dev/inaccessible/v0.2", for: SECURITY)
{
  query: Query
}

directive @join__unionMember(graph: join__Graph!, member: String!) on UNION

directive @join__implements(graph: join__Graph!, interface: String!) on OBJECT | INTERFACE

directive @join__graph(name: String!, url: String) on ENUM_VALUE

directive @join__field(graph: join__Graph, requires: join__FieldSet, provides: join__FieldSet, type: String, external: Boolean, override: String, overrideLabel: String) on FIELD_DEFINITION | INPUT_FIELD_DEFINITION

directive @join__type(graph: join__Graph, key: join__FieldSet, extension: Boolean = false, resolvable: Boolean = true, isInterfaceObject: Boolean = false) on SCALAR | OBJECT | INTERFACE | UNION | ENUM | INPUT_OBJECT

directive @join__owner(graph: join__Graph!) on OBJECT

scalar join__FieldSet

type Farm
  @join__type(graph: CHILIES, key: "id")
  @join__type(graph: FARMS, key: "id")
{
  chiliDetails: ChiliVariety @join__field(graph: CHILIES, requires: "chiliId")
  chiliId: ID! @join__field(graph: CHILIES, external: true) @join__field(graph: FARMS)
  id: ID!
  location: String! @join__field(graph: FARMS)
  name: String! @join__field(graph: FARMS)
}

type ChiliVariety
  @join__type(graph: CHILIES)
{
  description: String
  id: ID!
  name: String!
  spicinessScale: Int!
}

type Query
{
  chiliVarieties: [ChiliVariety] @join__field(graph: CHILIES)
  chiliVariety(id: ID!): ChiliVariety @join__field(graph: CHILIES)
  farm(id: ID!): Farm @join__field(graph: FARMS)
  farms: [Farm] @join__field(graph: FARMS)
}

enum join__Graph
{
  CHILIES @join__graph(name: "chilies", url: "http://example.com/chilies")
  FARMS @join__graph(name: "farms", url: "http://example.com/farms")
}