helpers.ts — vue Source File

Source Code

export { waitForUpdate } from '../helpers/wait-for-update'
export { nextFrame } from 'web/runtime/transition-util'

// toHaveBeenWarned() matcher
function noop() {}

if (typeof console === 'undefined') {
  // @ts-ignore
  window.console = {
    warn: noop,
    error: noop
  }
}

// avoid info messages during test
console.info = noop

let asserted

function createCompareFn(spy) {
  const hasWarned = msg => {
    let count = spy.calls.count()
    let args
    while (count--) {
      args = spy.calls.argsFor(count)
      if (args.some(containsMsg)) {
        return true
      }
    }

    function containsMsg(arg) {
      return arg.toString().indexOf(msg) > -1
    }
  }

  return {
    compare: msg => {
      asserted = asserted.concat(msg)
      const warned = Array.isArray(msg) ? msg.some(hasWarned) : hasWarned(msg)
      return {
        pass: warned,
        message: warned
          ? 'Expected message "' + msg + '" not to have been warned'
          : 'Expected message "' + msg + '" to have been warned'
      }
    }
  }
}

// define custom matcher for warnings
beforeEach(() => {
  asserted = []
  // @ts-ignore
  spyOn(console, 'warn')
  // @ts-ignore
  spyOn(console, 'error')
  jasmine.addMatchers({
    toHaveBeenWarned: () => createCompareFn(console.error),
    toHaveBeenTipped: () => createCompareFn(console.warn)
  })
// ... (85 more lines)