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/shareable_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__enumValue(graph: join__Graph!) on ENUM_VALUE

directive @join__owner(graph: join__Graph!) on OBJECT

scalar join__FieldSet

type Customer
  @join__type(graph: ACCOUNTS)
  @join__type(graph: MARKETING)
  @join__type(graph: SUBSCRIPTIONS)
{
  id: ID!
  name: String
  newsletterSubscribed: Boolean @inaccessible @join__field(graph: MARKETING)
  other: Int @inaccessible @join__field(graph: ACCOUNTS)
  subscriptionPlan: Plan! @inaccessible @join__field(graph: SUBSCRIPTIONS)
}

type Query
{
  customer(id: ID!): Customer @join__field(graph: ACCOUNTS)
}

enum Plan
  @join__type(graph: SUBSCRIPTIONS)
{
  Hobby @join__enumValue(graph: SUBSCRIPTIONS)
  Pro @join__enumValue(graph: SUBSCRIPTIONS)
}

enum join__Graph
{
  ACCOUNTS @join__graph(name: "accounts", url: "http://example.com/accounts")
  MARKETING @join__graph(name: "marketing", url: "http://example.com/marketing")
  SUBSCRIPTIONS @join__graph(name: "subscriptions", url: "http://example.com/subscriptions")
}