import { describe, expect, it } from 'vitest'
import { isTitleValid, normalizeTitle } from './noteValidation'

describe('isTitleValid', () => {
  it('accepts a non-empty title', () => {
    expect(isTitleValid('Courses')).toBe(true)
  })

  it('rejects an empty title', () => {
    expect(isTitleValid('')).toBe(false)
  })

  it('rejects a whitespace-only title', () => {
    expect(isTitleValid('   ')).toBe(false)
  })
})

describe('normalizeTitle', () => {
  it('trims surrounding whitespace', () => {
    expect(normalizeTitle('  Courses  ')).toBe('Courses')
  })

  it('keeps an already trimmed title unchanged', () => {
    expect(normalizeTitle('Courses')).toBe('Courses')
  })
})