feat: @requires directive on different services as gateway

bench.sh

@@ -1,3 +1,19 @@
 #! /bin/bash
 
-./node_modules/.bin/autocannon -c 100 -d 5 -p 10 --on-port '/graphql?query={add(x:2,y:2)}' -- node examples/basic.js
+# from https://github.com/mercurius-js/auth/tree/main/bench
+
+echo '=============================='
+echo '= Normal Mode                ='
+echo '=============================='
+npx concurrently --raw -k \
+  "node ./bench/standalone.js" \
+  "npx wait-on tcp:3000 && node ./bench/standalone-bench.js"
+
+echo '==============================='
+echo '= Gateway Mode                ='
+echo '==============================='
+npx concurrently --raw -k \
+  "node ./bench/gateway-service-1.js" \
+  "node ./bench/gateway-service-2.js" \
+  "npx wait-on tcp:3001 tcp:3002 && node ./bench/gateway.js" \
+  "npx wait-on tcp:3000 && node ./bench/gateway-bench.js"

bench/gateway-bench.js

@@ -0,0 +1,44 @@
+'use strict'
+
+const autocannon = require('autocannon')
+
+const query = `query {
+  me {
+    id
+    name
+    nickname: name
+    topPosts(count: 2) {
+      pid
+      author {
+        id
+      }
+    }
+  }
+  topPosts(count: 2) {
+    pid
+  }
+}`
+
+const instance = autocannon(
+  {
+    url: 'http://localhost:3000/graphql',
+    connections: 100,
+    title: '',
+    method: 'POST',
+    headers: {
+      'content-type': 'application/json', 'x-user': 'admin'
+    },
+    body: JSON.stringify({ query })
+  },
+  (err) => {
+    if (err) {
+      console.error(err)
+    }
+  }
+)
+
+process.once('SIGINT', () => {
+  instance.stop()
+})
+
+autocannon.track(instance, { renderProgressBar: true })

bench/gateway-service-1.js

@@ -0,0 +1,61 @@
+'use strict'
+
+const Fastify = require('fastify')
+const mercurius = require('..')
+
+const app = Fastify()
+
+const users = {
+  u1: {
+    id: 'u1',
+    name: 'John'
+  },
+  u2: {
+    id: 'u2',
+    name: 'Jane'
+  }
+}
+
+const schema = `
+directive @auth(
+  requires: Role = ADMIN,
+) on OBJECT | FIELD_DEFINITION
+
+enum Role {
+  ADMIN
+  REVIEWER
+  USER
+  UNKNOWN
+}
+
+type Query @extends {
+  me: User
+}
+
+type User @key(fields: "id") {
+  id: ID!
+  name: String! @auth(requires: ADMIN)
+}`
+
+const resolvers = {
+  Query: {
+    me: (root, args, context, info) => {
+      return users.u1
+    }
+  },
+  User: {
+    __resolveReference: (user, args, context, info) => {
+      return users[user.id]
+    }
+  }
+}
+
+app.register(mercurius, {
+  schema,
+  resolvers,
+  federationMetadata: true,
+  graphiql: false,
+  jit: 1
+})
+
+app.listen(3001)

bench/gateway-service-2.js

@@ -0,0 +1,91 @@
+'use strict'
+
+const Fastify = require('fastify')
+const mercurius = require('..')
+
+const app = Fastify()
+
+const posts = {
+  p1: {
+    pid: 'p1',
+    title: 'Post 1',
+    content: 'Content 1',
+    authorId: 'u1'
+  },
+  p2: {
+    pid: 'p2',
+    title: 'Post 2',
+    content: 'Content 2',
+    authorId: 'u2'
+  },
+  p3: {
+    pid: 'p3',
+    title: 'Post 3',
+    content: 'Content 3',
+    authorId: 'u1'
+  },
+  p4: {
+    pid: 'p4',
+    title: 'Post 4',
+    content: 'Content 4',
+    authorId: 'u1'
+  }
+}
+
+const schema = `
+directive @auth(
+  requires: Role = ADMIN,
+) on OBJECT | FIELD_DEFINITION
+
+enum Role {
+  ADMIN
+  REVIEWER
+  USER
+  UNKNOWN
+}
+
+type Post @key(fields: "pid") {
+  pid: ID!
+  author: User @auth(requires: ADMIN)
+}
+
+extend type Query {
+  topPosts(count: Int): [Post] @auth(requires: ADMIN)
+}
+
+type User @key(fields: "id") @extends {
+  id: ID! @external
+  topPosts(count: Int!): [Post]
+}`
+
+const resolvers = {
+  Post: {
+    __resolveReference: (post, args, context, info) => {
+      return posts[post.pid]
+    },
+    author: (post, args, context, info) => {
+      return {
+        __typename: 'User',
+        id: post.authorId
+      }
+    }
+  },
+  User: {
+    topPosts: (user, { count }, context, info) => {
+      return Object.values(posts).filter(p => p.authorId === user.id).slice(0, count)
+    }
+  },
+  Query: {
+    topPosts: (root, { count = 2 }) => Object.values(posts).slice(0, count)
+  }
+}
+
+app.register(mercurius, {
+  schema,
+  resolvers,
+  federationMetadata: true,
+  graphiql: false,
+  jit: 1
+})
+
+app.listen(3002)

bench/gateway.js

@@ -0,0 +1,22 @@
+'use strict'
+
+const Fastify = require('fastify')
+const mercurius = require('..')
+
+const app = Fastify()
+
+app.register(mercurius, {
+  gateway: {
+    services: [{
+      name: 'user',
+      url: 'http://localhost:3001/graphql'
+    }, {
+      name: 'post',
+      url: 'http://localhost:3002/graphql'
+    }]
+  },
+  graphiql: false,
+  jit: 1
+})
+
+app.listen(3000)

bench/standalone-bench.js

@@ -0,0 +1,43 @@
+'use strict'
+
+const autocannon = require('autocannon')
+
+const query = `query {
+  four: add(x: 2, y: 2)
+  six: add(x: 3, y: 3)
+  subtract(x: 3, y: 3)
+  messages {
+    title
+    public
+    private
+  }
+  adminMessages {
+    title
+    public
+    private
+  }
+}`
+
+const instance = autocannon(
+  {
+    url: 'http://localhost:3000/graphql',
+    connections: 100,
+    title: '',
+    method: 'POST',
+    headers: {
+      'content-type': 'application/json', 'x-user': 'admin'
+    },
+    body: JSON.stringify({ query })
+  },
+  (err) => {
+    if (err) {
+      console.error(err)
+    }
+  }
+)
+
+process.once('SIGINT', () => {
+  instance.stop()
+})
+
+autocannon.track(instance, { renderProgressBar: true })

bench/standalone-setup.js

@@ -0,0 +1,73 @@
+'use strict'
+
+const schema = `
+  directive @auth(
+    requires: Role = ADMIN,
+  ) on OBJECT | FIELD_DEFINITION
+
+  enum Role {
+    ADMIN
+    REVIEWER
+    USER
+    UNKNOWN
+  }
+
+  type Message {
+    title: String!
+    public: String!
+    private: String! @auth(requires: ADMIN)
+  }
+
+  type Query {
+    add(x: Int, y: Int): Int @auth(requires: ADMIN)
+    subtract(x: Int, y: Int): Int
+    messages: [Message!]!
+    adminMessages: [Message!]! @auth(requires: ADMIN)
+  }
+`
+
+const resolvers = {
+  Query: {
+    add: async (_, obj) => {
+      const { x, y } = obj
+      return x + y
+    },
+    subtract: async (_, obj) => {
+      const { x, y } = obj
+      return x - y
+    },
+    messages: async () => {
+      return [
+        {
+          title: 'one',
+          public: 'public one',
+          private: 'private one'
+        },
+        {
+          title: 'two',
+          public: 'public two',
+          private: 'private two'
+        }
+      ]
+    },
+    adminMessages: async () => {
+      return [
+        {
+          title: 'admin one',
+          public: 'admin public one',
+          private: 'admin private one'
+        },
+        {
+          title: 'admin two',
+          public: 'admin public two',
+          private: 'admin private two'
+        }
+      ]
+    }
+  }
+}
+
+module.exports = {
+  schema,
+  resolvers
+}

bench/standalone.js

@@ -0,0 +1,16 @@
+'use strict'
+
+const Fastify = require('fastify')
+const mercurius = require('..')
+const { schema, resolvers } = require('./standalone-setup')
+
+const app = Fastify()
+
+app.register(mercurius, {
+  schema,
+  resolvers,
+  graphiql: false,
+  jit: 1
+})
+
+app.listen(3000)