import { addQuestion, createQuestion } from '../utils/classes'
import { Subject, Question } from '../types/basicTypes'

const question: Question = createQuestion('asd', 'asd', { type: 'simple' })

test('Adds questions to empty db', () => {
  const emptyDb: Subject[] = []
  addQuestion(emptyDb, 'test subject', question)
  expect(emptyDb.length).toBe(1)
})

test('Adds questions next to existing', () => {
  const db: Subject[] = [
    {
      Name: 'test subject',
      Questions: [question],
    },
  ]
  addQuestion(db, 'another something', question)
  expect(db.length).toBe(2)
})

test('Does not add new subject, multiple new questions', () => {
  const db: Subject[] = [
    {
      Name: 'test subject',
      Questions: [question],
    },
  ]
  addQuestion(db, 'test subject', question)
  addQuestion(db, 'test subject', question)
  addQuestion(db, 'test subject', question)
  addQuestion(db, 'test subject', question)
  expect(db.length).toBe(1)
})

test('Adds new subjects, multiple new questions', () => {
  const db: Subject[] = [
    {
      Name: 'test subject',
      Questions: [question],
    },
  ]
  addQuestion(db, 'gfjdkglfd', question)
  addQuestion(db, ' somrthing test ', question)
  addQuestion(db, 'aaaaaaaa', question)
  expect(db.length).toBe(4)
})