/* eslint-disable no-irregular-whitespace */
import {objectIsEmpty, isObject, longestWord, getRandomItem} from '../helpers'
import {vi} from 'vitest'

describe(`objectIsEmpty`, () => {
  it(`works`, () => {
    expect(objectIsEmpty({})).toBe(true)
    expect(objectIsEmpty({some: {thing: {}}})).toBe(false)
    expect(objectIsEmpty(undefined)).toBe(false)
    expect(objectIsEmpty(``)).toBe(false)
    expect(objectIsEmpty([])).toBe(true)
  })
})

describe(`isObject`, () => {
  it(`works`, () => {
    expect(isObject({})).toBe(true)
    expect(isObject({some: {thing: {}}})).toBe(true)
    expect(isObject(undefined)).toBe(false)
    expect(isObject(``)).toBe(false)
    expect(isObject([])).toBe(false)
  })
})

describe(`longestWord`, () => {
  it(`works`, () => {
    expect(longestWord(`hello worlds`)).toBe(`worlds`)
    expect(longestWord(`worlds hello `)).toBe(`worlds`)
    // spaces and returns should be word separators
    expect(longestWord(`\t \nworlds\n \r\nhello `)).toBe(`worlds`)
    // hyphens, full stops and other punctuation are included as part of a word
    expect(longestWord(`“worlds-hello”.`)).toBe(`“worlds-hello”.`)
    // forward slash can be used as a word separator
    expect(longestWord(`worlds/hello`)).toBe(`worlds`)
    // non-breaking spaces should be included in longestWord
    expect(longestWord(`worlds hello`)).toBe(`worlds hello`)
    // non-breaking spaces should be included in longestWord
    expect(longestWord(`REAL. RUGGED. READY FOR ANYTHING`)).toBe(`REAL. RUGGED. READY`)
  })
})

describe(`getRandomItem`, () => {
  it(`returns a random item of a supplied array or string`, () => {
    expect(getRandomItem()).toBeUndefined()
    expect(getRandomItem([1])).toBe(1)

    vi.spyOn(Math, `random`).mockReturnValueOnce(0.49)
    expect(getRandomItem([1, 2])).toEqual(1)

    vi.spyOn(Math, `random`).mockReturnValueOnce(0.5)
    expect(getRandomItem([1, 2])).toEqual(2)

    vi.spyOn(Math, `random`).mockReturnValueOnce(0.5)
    expect(getRandomItem([1, 2, 3])).toEqual(2)

    vi.spyOn(Math, `random`).mockReturnValueOnce(0.67)
    expect(getRandomItem([1, 2, 3])).toEqual(3)
  })
})