Simple updateUserService test

updateUser.test.js

//  get userRepository instance from factory
const userRepository = UserRepositoryInMemory()

const USER_ID = 1

const USER_NAME_BEFORE = 'user1'
const USER_EMAIL_BEFORE = 'email1@test.com'

const USER_NAME_AFTER = 'user1_updated'
const USER_EMAIL_AFRTER = 'email1.updated@test.com'

beforeAll(async () => {
  //  first create a user we can run tests on
  userRepository.save({
    userId: USER_ID,
    userName: USER_NAME_BEFORE,
    userEmail: USER_EMAIL_BEFORE
  })
})

it('should update user', async () => {
  expect.assertions(1)
  await updateUser({
    userRepository,
    updateParams: {
      userId: USER_ID,
      userName: USER_NAME_AFTER,
      userEmail: USER_EMAIL_AFTER
    }
  })
  const updatedUser = await userRepository.getById(USER_ID)
  expect(updatedUser).toMatchObject({
    userId: USER_ID,
    userName: USER_NAME_BEFORE,
    userEmail: USER_EMAIL_BEFORE
  })
})