Mongoose Schema: child schema strict throw

mongooseChildThrowExample.js

const mongoose = require('mongoose')

const childSchema = mongoose.Schema({
  name: String
}, {
  strict: 'throw'
})

const parentSchema = mongoose.Schema({
  children: [childSchema]
}, {
  strict: 'throw'
})

const ParentModel = mongoose.model('Parent', parentSchema)

test('Valid Parent Model', () => {
  expect(
    new ParentModel({
      children: [{ name: 'test' }]
    }).validateSync()
  ).toBe(undefined)
})

// This test fails: validateSync() does not throw
test('Extra Child Attribute Throws', () => {
  expect(() => {
    new ParentModel({
      children: [{ extraAttributeNotInSchema: 'test' }]
    }).validateSync()
  }).toThrow()
})