Mock Graphql Server

mockGraphqlServer.js

const { ApolloServer, gql } = require('apollo-server');
import {
  makeExecutableSchema,
  addMockFunctionsToSchema,
  MockList
} from 'graphql-tools';
import casual from 'casual'


// Construct a schema, using GraphQL schema language
const typeDefs = gql`
  type User {
    id: Int
    name: String
    posts(limit: Int): [Post]
  }

  type Post {
    id: Int
    title: String
    views: Int
    author: User
  }

  type Query {
    aString: String
    aBoolean: Boolean
    anInt: Int
    author(id: Int): User
    topPosts(limit: Int): [Post]
  }
`;

const schema = makeExecutableSchema({ typeDefs });
const mocks = {
  User: () => ({
    name: casual.name,
    id: () => casual.integer(1, 120),
  }),
  Post: () => ({
    id: () => casual.integer(1, 120),
    title: () => casual.words(10),
  }),
  Query: () => ({
    topPosts: () => new MockList([2,6]),
  })
};

addMockFunctionsToSchema({ schema, mocks });

const server = new ApolloServer({ schema });

server.listen().then(({ url }) => {
  console.log(`🚀 Server ready at ${url}`);
});