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import { DayGrid } from '@fullcalendar/daygrid'
import { TimeGrid } from '@fullcalendar/timegrid'
import { ListView } from '@fullcalendar/list'
describe('rerender performance', function() {
pushOptions({
defaultDate: '2017-10-04',
events: [
{ title: 'event 0', start: '2017-10-04' }
],
windowResizeDelay: 0
})
;[
{
defaultView: 'dayGridMonth',
classes: { DayGrid },
changeToView: 'list' // does not have DayGrid!
},
{
defaultView: 'timeGridWeek',
classes: { DayGrid, TimeGrid },
changeToView: 'list' // does not have DayGrid!
},
{
defaultView: 'listWeek',
classes: { ListView },
changeToView: 'dayGridMonth'
}
].forEach(function(settings) {
$.each(settings.classes, function(className, Class) {
describe('for ' + className + ' in ' + settings.defaultView + ' view', function() {
it('calls methods a limited number of times', function(done) {
var calSettings = {
defaultView: settings.defaultView,
viewSkeletonRender: function() {},
datesRender: function() {},
eventRender: function() {}
}
var updateSize = spyOnMethod(Class, 'updateSize') // for the specific initial view
spyOn(calSettings, 'viewSkeletonRender') // for all views...
spyOn(calSettings, 'eventRender')
spyOn(calSettings, 'datesRender')
initCalendar(calSettings)
expect(calSettings.viewSkeletonRender.calls.count()).toBe(1)
expect(calSettings.datesRender.calls.count()).toBe(1)
expect(calSettings.eventRender.calls.count()).toBe(1)
expect(updateSize.calls.count()).toBe(1)
currentCalendar.changeView(settings.changeToView)
expect(calSettings.viewSkeletonRender.calls.count()).toBe(2) // +1 (switch to new view)
expect(calSettings.datesRender.calls.count()).toBe(2) // +1 (switch to new view)
expect(calSettings.eventRender.calls.count()).toBe(2) // +1 (switch to new view)
expect(updateSize.calls.count()).toBe(1)
currentCalendar.changeView(settings.defaultView)
expect(calSettings.viewSkeletonRender.calls.count()).toBe(3) // +1 (switch to new view)
expect(calSettings.datesRender.calls.count()).toBe(3) // +1 (switch to new view)
expect(calSettings.eventRender.calls.count()).toBe(3) // +1 (switch to new view)
expect(updateSize.calls.count()).toBe(2) // +1
currentCalendar.rerenderEvents()
expect(calSettings.viewSkeletonRender.calls.count()).toBe(3)
expect(calSettings.datesRender.calls.count()).toBe(3)
expect(calSettings.eventRender.calls.count()).toBe(4) // +1
expect(updateSize.calls.count()).toBe(3) // +1
$(window).simulate('resize')
setTimeout(function() {
expect(calSettings.viewSkeletonRender.calls.count()).toBe(3)
expect(calSettings.datesRender.calls.count()).toBe(3)
expect(calSettings.eventRender.calls.count()).toBe(4)
expect(updateSize.calls.count()).toBe(4) // +1
updateSize.restore()
done()
}, 1) // more than windowResizeDelay
})
})
})
})
})