index.test.js

// import {isValidUsingTraversing as isValid} from './index'
import {isValidUsingRegex as isValid} from './index'

describe('Day 3 challenge', () => {
  test('is valid letter without parenthesis', () => {
    expect(isValid('bici coche peluche')).toBeTruthy()
  })

  test('is valid letter with one parenthesis', () => {
    expect(isValid('bici coche (balón) peluche')).toBeTruthy()
  })

  test('is valid letter with two parenthesis', () => {
    expect(isValid('bici coche (balón) tren (moto) peluche')).toBeTruthy()
  })

  test('is valid letter starting with parenthesis', () => {
    expect(isValid('(bici) coche peluche')).toBeTruthy()
  })

  test('is valid letter finishing with parenthesis', () => {
    expect(isValid('bici coche (peluche)')).toBeTruthy()
  })

  test('is invalid letter with empty parenthesis', () => {
    expect(isValid('bici () peluche')).toBeFalsy()
  })

  test('is invalid letter with unclosed parenthesis', () => {
    expect(isValid('bici (coche peluche')).toBeFalsy()
    expect(isValid('bici (coche) (peluche')).toBeFalsy()
  })

  test('is invalid letter with invalid chracters', () => {
    expect(isValid('bici (tren [coche) peluche')).toBeFalsy()
    expect(isValid('bici (tren ]coche) peluche')).toBeFalsy()
    expect(isValid('bici (tren {coche) peluche')).toBeFalsy()
    expect(isValid('bici (tren }coche) peluche')).toBeFalsy()
  })

  test('is invalid letter with unpair parenthesis', () => {
    expect(isValid('bici coche (tren (moto) peluche')).toBeFalsy()
    expect(isValid('bici (coche) (tren (moto) peluche')).toBeFalsy()
  })

  test('is invalid letter with inner parenthesis', () => {
    expect(isValid('bici coche (tren (moto)) peluche')).toBeFalsy()
    expect(isValid('bici (coche) (tren (moto)) peluche')).toBeFalsy()
  })
})