vue-meta/test/unit/shared.test.js

/**
 * @jest-environment node
 */
import { ensureIsArray } from '../../src/shared/ensure'
import setOptions from '../../src/shared/options'
import { hasGlobalWindowFn } from '../../src/shared/window'
import { defaultOptions } from '../utils/constants'

const noop = () => {}

describe('shared', () => {
  test('ensureIsArray ensures var is array', () => {
    let a = { p: 1 }
    expect(ensureIsArray(a)).toEqual([])

    a = 1
    expect(ensureIsArray(a)).toEqual([])

    a = [1]
    expect(ensureIsArray(a)).toBe(a)
  })

  test('ensureIsArray ensures obj prop is array', () => {
    const a = { p: 1 }
    expect(ensureIsArray(a, 'p')).toEqual({ p: [] })
  })

  test('no error when window is not defined', () => {
    expect(hasGlobalWindowFn()).toBe(false)
  })

  test('can use setOptions', () => {
    const keyName = 'MY KEY'
    let options = { keyName }
    options = setOptions(options)

    expect(options.keyName).toBe(keyName)
    expect(options.contentKeyName).toBeDefined()
    expect(options.contentKeyName).toBe(defaultOptions.contentKeyName)
  })

  test('setOptions warns when afterNavigation not fn', () => {
    const warn = jest.spyOn(console, 'warn').mockImplementation(noop)

    let options = { afterNavigation: true }
    options = setOptions(options)

    expect(warn).toHaveBeenCalledTimes(1)
    expect(options.afterNavigation).toBeUndefined()

    warn.mockRestore()
  })
  test('setOptions sets refreshOnceOnNavigation when afterNavigation defined', () => {
    const warn = jest.spyOn(console, 'warn').mockImplementation(noop)

    let options = { afterNavigation: noop }
    options = setOptions(options)

    expect(warn).not.toHaveBeenCalled()
    expect(options.refreshOnceOnNavigation).toBe(true)

    warn.mockRestore()
  })
})