payload/test/dataloader/int.spec.ts

import { GraphQLClient } from 'graphql-request'

import payload from '../../packages/payload/src'
import { devUser } from '../credentials'
import { initPayloadTest } from '../helpers/configHelpers'
import { postDoc } from './config'

describe('dataloader', () => {
  let serverURL
  beforeAll(async () => {
    const init = await initPayloadTest({ __dirname, init: { local: false } })
    serverURL = init.serverURL
  })

  describe('graphql', () => {
    let client: GraphQLClient
    let token: string

    beforeAll(async () => {
      const url = `${serverURL}/api/graphql`
      client = new GraphQLClient(url)

      const loginResult = await payload.login({
        collection: 'users',
        data: {
          email: devUser.email,
          password: devUser.password,
        },
      })

      if (loginResult.token) token = loginResult.token
    })

    it('should allow multiple parallel queries', async () => {
      for (let i = 0; i < 100; i++) {
        const query = `
          query {
            Shops {
              docs {
                name
                items {
                  name
                }
              }
            }
            Items {
              docs {
                name
                itemTags {
                  name
                }
              }
            }
          }`
        const response = await client.request(query)
        expect(response).toStrictEqual({
          Shops: { docs: [{ name: 'shop1', items: [{ name: 'item1' }] }] },
          Items: { docs: [{ name: 'item1', itemTags: [{ name: 'tag1' }] }] },
        })
      }
    })

    it('should allow querying via graphql', async () => {
      const query = `query {
        Posts {
          docs {
            title
            owner {
              email
            }
          }
        }
      }`

      const response = await client.request(query, null, {
        Authorization: `JWT ${token}`,
      })

      const { docs } = response.Posts
      expect(docs[0].title).toStrictEqual(postDoc.title)
    })

    it('should avoid infinite loops', async () => {
      const relationA = await payload.create({
        collection: 'relation-a',
        data: {
          richText: [
            {
              children: [
                {
                  text: 'relation a',
                },
              ],
            },
          ],
        },
      })

      const relationB = await payload.create({
        collection: 'relation-b',
        data: {
          relationship: relationA.id,
          richText: [
            {
              children: [
                {
                  text: 'relation b',
                },
              ],
            },
          ],
        },
      })

      expect(relationA.id).toBeDefined()
      expect(relationB.id).toBeDefined()

      await payload.update({
        collection: 'relation-a',
        id: relationA.id,
        data: {
          relationship: relationB.id,
          richText: [
            {
              children: [
                {
                  text: 'relation a',
                },
              ],
            },
            {
              children: [
                {
                  text: '',
                },
              ],
              type: 'relationship',
              value: {
                id: relationB.id,
              },
              relationTo: 'relation-b',
            },
          ],
        },
      })

      const relationANoDepth = await payload.findByID({
        collection: 'relation-a',
        id: relationA.id,
        depth: 0,
      })

      expect(relationANoDepth.relationship).toStrictEqual(relationB.id)

      const relationAWithDepth = await payload.findByID({
        collection: 'relation-a',
        id: relationA.id,
        depth: 4,
      })

      const innerMostRelationship =
        relationAWithDepth.relationship.relationship.richText[1].value.relationship.relationship

      expect(innerMostRelationship).toStrictEqual(relationB.id)
    })
  })
})