EVOLUTION-MANAGER

Edit File: offcanvas.spec.js

import Offcanvas from '../../src/offcanvas'
import EventHandler from '../../src/dom/event-handler'

/** Test helpers */
import { clearBodyAndDocument, clearFixture, createEvent, getFixture, jQueryMock } from '../helpers/fixture'
import { isVisible } from '../../src/util'
import ScrollBarHelper from '../../src/util/scrollbar'

describe('Offcanvas', () => {
  let fixtureEl

beforeAll(() => {
    fixtureEl = getFixture()
  })

afterEach(() => {
    clearFixture()
    document.body.classList.remove('offcanvas-open')
    clearBodyAndDocument()
  })

beforeEach(() => {
    clearBodyAndDocument()
  })

describe('VERSION', () => {
    it('should return plugin version', () => {
      expect(Offcanvas.VERSION).toEqual(jasmine.any(String))
    })
  })

describe('Default', () => {
    it('should return plugin default config', () => {
      expect(Offcanvas.Default).toEqual(jasmine.any(Object))
    })
  })

describe('DATA_KEY', () => {
    it('should return plugin data key', () => {
      expect(Offcanvas.DATA_KEY).toEqual('bs.offcanvas')
    })
  })

describe('constructor', () => {
    it('should call hide when a element with data-bs-dismiss="offcanvas" is clicked', () => {
      fixtureEl.innerHTML = [
        '<div class="offcanvas">',
        '  <a href="#" data-bs-dismiss="offcanvas">Close</a>',
        '</div>'
      ].join('')

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const closeEl = fixtureEl.querySelector('a')
      const offCanvas = new Offcanvas(offCanvasEl)

spyOn(offCanvas, 'hide')

closeEl.click()

expect(offCanvas._config.keyboard).toBe(true)
      expect(offCanvas.hide).toHaveBeenCalled()
    })

it('should hide if esc is pressed', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)
      const keyDownEsc = createEvent('keydown')
      keyDownEsc.key = 'Escape'

spyOn(offCanvas, 'hide')

offCanvasEl.dispatchEvent(keyDownEsc)

expect(offCanvas.hide).toHaveBeenCalled()
    })

it('should not hide if esc is not pressed', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)
      const keydownTab = createEvent('keydown')
      keydownTab.key = 'Tab'

spyOn(offCanvas, 'hide')

document.dispatchEvent(keydownTab)

expect(offCanvas.hide).not.toHaveBeenCalled()
    })

it('should not hide if esc is pressed but with keyboard = false', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl, { keyboard: false })
      const keyDownEsc = createEvent('keydown')
      keyDownEsc.key = 'Escape'

spyOn(offCanvas, 'hide')

document.dispatchEvent(keyDownEsc)

expect(offCanvas._config.keyboard).toBe(false)
      expect(offCanvas.hide).not.toHaveBeenCalled()
    })
  })

describe('config', () => {
    it('should have default values', () => {
      fixtureEl.innerHTML = [
        '<div class="offcanvas">',
        '</div>'
      ].join('')

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)

expect(offCanvas._config.backdrop).toEqual(true)
      expect(offCanvas._backdrop._config.isVisible).toEqual(true)
      expect(offCanvas._config.keyboard).toEqual(true)
      expect(offCanvas._config.scroll).toEqual(false)
    })

it('should read data attributes and override default config', () => {
      fixtureEl.innerHTML = [
        '<div class="offcanvas" data-bs-scroll="true" data-bs-backdrop="false"  data-bs-keyboard="false">',
        '</div>'
      ].join('')

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)

expect(offCanvas._config.backdrop).toEqual(false)
      expect(offCanvas._backdrop._config.isVisible).toEqual(false)
      expect(offCanvas._config.keyboard).toEqual(false)
      expect(offCanvas._config.scroll).toEqual(true)
    })

it('given a config object must override data attributes', () => {
      fixtureEl.innerHTML = [
        '<div class="offcanvas" data-bs-scroll="true" data-bs-backdrop="false"  data-bs-keyboard="false">',
        '</div>'
      ].join('')

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl, {
        backdrop: true,
        keyboard: true,
        scroll: false
      })
      expect(offCanvas._config.backdrop).toEqual(true)
      expect(offCanvas._config.keyboard).toEqual(true)
      expect(offCanvas._config.scroll).toEqual(false)
    })
  })
  describe('options', () => {
    it('if scroll is enabled, should allow body to scroll while offcanvas is open', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

spyOn(ScrollBarHelper.prototype, 'hide').and.callThrough()
      spyOn(ScrollBarHelper.prototype, 'reset').and.callThrough()
      const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl, { scroll: true })

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(ScrollBarHelper.prototype.hide).not.toHaveBeenCalled()
        offCanvas.hide()
      })
      offCanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        expect(ScrollBarHelper.prototype.reset).not.toHaveBeenCalled()
        done()
      })
      offCanvas.show()
    })

it('if scroll is disabled, should call ScrollBarHelper to handle scrollBar on body', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(ScrollBarHelper.prototype.hide).toHaveBeenCalled()
        offCanvas.hide()
      })
      offCanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        expect(ScrollBarHelper.prototype.reset).toHaveBeenCalled()
        done()
      })
      offCanvas.show()
    })

it('should hide a shown element if user click on backdrop', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl, { backdrop: true })

const clickEvent = document.createEvent('MouseEvents')
      clickEvent.initEvent('mousedown', true, true)
      spyOn(offCanvas._backdrop._config, 'clickCallback').and.callThrough()

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(typeof offCanvas._backdrop._config.clickCallback).toBe('function')

offCanvas._backdrop._getElement().dispatchEvent(clickEvent)
      })

offCanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        expect(offCanvas._backdrop._config.clickCallback).toHaveBeenCalled()
        done()
      })

offCanvas.show()
    })

it('should not trap focus if scroll is allowed', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl, {
        scroll: true
      })

spyOn(offCanvas._focustrap, 'activate').and.callThrough()

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(offCanvas._focustrap.activate).not.toHaveBeenCalled()
        done()
      })

offCanvas.show()
    })
  })

describe('toggle', () => {
    it('should call show method if show class is not present', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)

spyOn(offCanvas, 'show')

offCanvas.toggle()

expect(offCanvas.show).toHaveBeenCalled()
    })

it('should call hide method if show class is present', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)
      offCanvas.show()
      expect(offCanvasEl.classList.contains('show')).toBe(true)

spyOn(offCanvas, 'hide')

offCanvas.toggle()

expect(offCanvas.hide).toHaveBeenCalled()
    })
  })

describe('show', () => {
    it('should do nothing if already shown', () => {
      fixtureEl.innerHTML = '<div class="offcanvas show"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      offCanvas.show()

expect(offCanvasEl.classList.contains('show')).toBe(true)

spyOn(offCanvas._backdrop, 'show').and.callThrough()
      spyOn(EventHandler, 'trigger').and.callThrough()
      offCanvas.show()

expect(EventHandler.trigger).not.toHaveBeenCalled()
      expect(offCanvas._backdrop.show).not.toHaveBeenCalled()
    })

it('should show a hidden element', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      spyOn(offCanvas._backdrop, 'show').and.callThrough()

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(offCanvasEl.classList.contains('show')).toEqual(true)
        expect(offCanvas._backdrop.show).toHaveBeenCalled()
        done()
      })

offCanvas.show()
    })

it('should not fire shown when show is prevented', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      spyOn(offCanvas._backdrop, 'show').and.callThrough()

const expectEnd = () => {
        setTimeout(() => {
          expect(offCanvas._backdrop.show).not.toHaveBeenCalled()
          done()
        }, 10)
      }

offCanvasEl.addEventListener('show.bs.offcanvas', event => {
        event.preventDefault()
        expectEnd()
      })

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        throw new Error('should not fire shown event')
      })

offCanvas.show()
    })

it('on window load, should make visible an offcanvas element, if its markup contains class "show"', done => {
      fixtureEl.innerHTML = '<div class="offcanvas show"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      spyOn(Offcanvas.prototype, 'show').and.callThrough()

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        done()
      })

window.dispatchEvent(createEvent('load'))

const instance = Offcanvas.getInstance(offCanvasEl)
      expect(instance).not.toBeNull()
      expect(Offcanvas.prototype.show).toHaveBeenCalled()
    })

it('should trap focus', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('.offcanvas')
      const offCanvas = new Offcanvas(offCanvasEl)

spyOn(offCanvas._focustrap, 'activate').and.callThrough()

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(offCanvas._focustrap.activate).toHaveBeenCalled()
        done()
      })

offCanvas.show()
    })
  })

describe('hide', () => {
    it('should do nothing if already shown', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

spyOn(EventHandler, 'trigger').and.callThrough()

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      spyOn(offCanvas._backdrop, 'hide').and.callThrough()

offCanvas.hide()
      expect(offCanvas._backdrop.hide).not.toHaveBeenCalled()
      expect(EventHandler.trigger).not.toHaveBeenCalled()
    })

it('should hide a shown element', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      spyOn(offCanvas._backdrop, 'hide').and.callThrough()
      offCanvas.show()

offCanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        expect(offCanvasEl.classList.contains('show')).toEqual(false)
        expect(offCanvas._backdrop.hide).toHaveBeenCalled()
        done()
      })

offCanvas.hide()
    })

it('should not fire hidden when hide is prevented', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      spyOn(offCanvas._backdrop, 'hide').and.callThrough()

offCanvas.show()

const expectEnd = () => {
        setTimeout(() => {
          expect(offCanvas._backdrop.hide).not.toHaveBeenCalled()
          done()
        }, 10)
      }

offCanvasEl.addEventListener('hide.bs.offcanvas', event => {
        event.preventDefault()
        expectEnd()
      })

offCanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        throw new Error('should not fire hidden event')
      })

offCanvas.hide()
    })

it('should release focus trap', done => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      spyOn(offCanvas._focustrap, 'deactivate').and.callThrough()
      offCanvas.show()

offCanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        expect(offCanvas._focustrap.deactivate).toHaveBeenCalled()
        done()
      })

offCanvas.hide()
    })
  })

describe('dispose', () => {
    it('should dispose an offcanvas', () => {
      fixtureEl.innerHTML = '<div class="offcanvas"></div>'

const offCanvasEl = fixtureEl.querySelector('div')
      const offCanvas = new Offcanvas(offCanvasEl)
      const backdrop = offCanvas._backdrop
      spyOn(backdrop, 'dispose').and.callThrough()
      const focustrap = offCanvas._focustrap
      spyOn(focustrap, 'deactivate').and.callThrough()

expect(Offcanvas.getInstance(offCanvasEl)).toEqual(offCanvas)

spyOn(EventHandler, 'off')

offCanvas.dispose()

expect(backdrop.dispose).toHaveBeenCalled()
      expect(offCanvas._backdrop).toBeNull()
      expect(focustrap.deactivate).toHaveBeenCalled()
      expect(offCanvas._focustrap).toBeNull()
      expect(Offcanvas.getInstance(offCanvasEl)).toEqual(null)
    })
  })

describe('data-api', () => {
    it('should not prevent event for input', done => {
      fixtureEl.innerHTML = [
        '<input type="checkbox" data-bs-toggle="offcanvas" data-bs-target="#offcanvasdiv1" />',
        '<div id="offcanvasdiv1" class="offcanvas"></div>'
      ].join('')

const target = fixtureEl.querySelector('input')
      const offCanvasEl = fixtureEl.querySelector('#offcanvasdiv1')

offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
        expect(offCanvasEl.classList.contains('show')).toEqual(true)
        expect(target.checked).toEqual(true)
        done()
      })

target.click()
    })

it('should not call toggle on disabled elements', () => {
      fixtureEl.innerHTML = [
        '<a href="#" data-bs-toggle="offcanvas" data-bs-target="#offcanvasdiv1" class="disabled"></a>',
        '<div id="offcanvasdiv1" class="offcanvas"></div>'
      ].join('')

const target = fixtureEl.querySelector('a')

spyOn(Offcanvas.prototype, 'toggle')

target.click()

expect(Offcanvas.prototype.toggle).not.toHaveBeenCalled()
    })

it('should call hide first, if another offcanvas is open', done => {
      fixtureEl.innerHTML = [
        '<button id="btn2" data-bs-toggle="offcanvas" data-bs-target="#offcanvas2" ></button>',
        '<div id="offcanvas1" class="offcanvas"></div>',
        '<div id="offcanvas2" class="offcanvas"></div>'
      ].join('')

const trigger2 = fixtureEl.querySelector('#btn2')
      const offcanvasEl1 = document.querySelector('#offcanvas1')
      const offcanvasEl2 = document.querySelector('#offcanvas2')
      const offcanvas1 = new Offcanvas(offcanvasEl1)

offcanvasEl1.addEventListener('shown.bs.offcanvas', () => {
        trigger2.click()
      })
      offcanvasEl1.addEventListener('hidden.bs.offcanvas', () => {
        expect(Offcanvas.getInstance(offcanvasEl2)).not.toBeNull()
        done()
      })
      offcanvas1.show()
    })

it('should focus on trigger element after closing offcanvas', done => {
      fixtureEl.innerHTML = [
        '<button id="btn" data-bs-toggle="offcanvas" data-bs-target="#offcanvas" ></button>',
        '<div id="offcanvas" class="offcanvas"></div>'
      ].join('')

const trigger = fixtureEl.querySelector('#btn')
      const offcanvasEl = fixtureEl.querySelector('#offcanvas')
      const offcanvas = new Offcanvas(offcanvasEl)
      spyOn(trigger, 'focus')

offcanvasEl.addEventListener('shown.bs.offcanvas', () => {
        offcanvas.hide()
      })
      offcanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        setTimeout(() => {
          expect(trigger.focus).toHaveBeenCalled()
          done()
        }, 5)
      })

trigger.click()
    })

it('should not focus on trigger element after closing offcanvas, if it is not visible', done => {
      fixtureEl.innerHTML = [
        '<button id="btn" data-bs-toggle="offcanvas" data-bs-target="#offcanvas" ></button>',
        '<div id="offcanvas" class="offcanvas"></div>'
      ].join('')

const trigger = fixtureEl.querySelector('#btn')
      const offcanvasEl = fixtureEl.querySelector('#offcanvas')
      const offcanvas = new Offcanvas(offcanvasEl)
      spyOn(trigger, 'focus')

offcanvasEl.addEventListener('shown.bs.offcanvas', () => {
        trigger.style.display = 'none'
        offcanvas.hide()
      })
      offcanvasEl.addEventListener('hidden.bs.offcanvas', () => {
        setTimeout(() => {
          expect(isVisible(trigger)).toBe(false)
          expect(trigger.focus).not.toHaveBeenCalled()
          done()
        }, 5)
      })

trigger.click()
    })
  })

describe('jQueryInterface', () => {
    it('should create an offcanvas', () => {
      fixtureEl.innerHTML = '<div></div>'

const div = fixtureEl.querySelector('div')