import { Query } from './Query';
import { auth } from './Mutation/auth';
import { cities } from './Mutation/cities';
import { tests } from './Mutation/tests';
import { schools } from './Mutation/schools';
import { olympiads } from './Mutation/olympiads';
import { questions } from './Mutation/questions';
import { AuthPayload } from './AuthPayload';
import { prisma } from '../generated/prisma-client';

export default {
  Query,
  // Isto é necessário porque o cliente Prisma só busca o valores 'escalares',
  // mas não as 'relações'. O campo 'questions' não é buscado pelo cliente
  // quando invocamos os métodos 'test' or 'tests', como é feito nos resolvers
  // 'test' ou 'tests', respectivamente (veja Query.ts).
  // https://www.prisma.io/tutorials/a-guide-to-common-resolver-patterns-ct08/#scenario:-implementing-relations-with-prisma-client
  Test: {
    /**
     * Busca as questões relacionadas a uma prova.
     * @param parent instância da prova (Test)
     */
    questions(parent) {
      return prisma.test({ id: parent.id }).questions();
    },
  },
  // https://github.com/prisma/prisma/issues/2225#issuecomment-413265367
  Node: {
    __resolveType(obj, ctx, info) {
      return obj.__typename;
    },
  },
  Mutation: {
    ...cities,
    ...auth,
    ...tests,
    ...schools,
    ...olympiads,
    ...questions,
  },
  AuthPayload,
};

import { Query } from './Query';
import { auth } from './Mutation/auth';
import { cities } from './Mutation/cities';
import { tests } from './Mutation/tests';
import { schools } from './Mutation/schools';
import { olympiads } from './Mutation/olympiads';
import { questions } from './Mutation/questions';
import { AuthPayload } from './AuthPayload';

export default {
  Query,
  // https://github.com/prisma/prisma/issues/2225#issuecomment-413265367
  Node: {
    __resolveType(obj, ctx, info) {
      return obj.__typename;
    },
  },
  Mutation: {
    ...cities,
    ...auth,
    ...tests,
    ...schools,
    ...olympiads,
    ...questions,
  },
  AuthPayload,
};

--- 
+++ 
@@ -6,9 +6,24 @@
 import { olympiads } from './Mutation/olympiads';
 import { questions } from './Mutation/questions';
 import { AuthPayload } from './AuthPayload';
+import { prisma } from '../generated/prisma-client';
 
 export default {
   Query,
+  // Isto é necessário porque o cliente Prisma só busca o valores 'escalares',
+  // mas não as 'relações'. O campo 'questions' não é buscado pelo cliente
+  // quando invocamos os métodos 'test' or 'tests', como é feito nos resolvers
+  // 'test' ou 'tests', respectivamente (veja Query.ts).
+  // https://www.prisma.io/tutorials/a-guide-to-common-resolver-patterns-ct08/#scenario:-implementing-relations-with-prisma-client
+  Test: {
+    /**
+     * Busca as questões relacionadas a uma prova.
+     * @param parent instância da prova (Test)
+     */
+    questions(parent) {
+      return prisma.test({ id: parent.id }).questions();
+    },
+  },
   // https://github.com/prisma/prisma/issues/2225#issuecomment-413265367
   Node: {
     __resolveType(obj, ctx, info) {
Add 'type resolver' for the Test type

This is necessary because Prisma client only resolves 'scalar' values,
no relations. The 'questions' field is not fetched by the client when
invoking the 'test' or 'tests' method as is done in the 'test' or
'tests' resolvers, respectively.
