IDDRS/static/OwlCarousel2-2.3.4/test/unit/autoplay.js
2022-07-25 12:03:35 +02:00

87 lines
2.6 KiB
JavaScript

module('Autoplay tests');
function FakeClock() {
// Instantiate a new controllable clock which overrides the built in Date
// class on construction.
var value = 1;
this.tick = function(duration) {
value += duration;
};
// TODO: This is broken and has to be fixed in the near future
this.Date = function() {
this.getTime = function() {
return value;
}
}
}
function change_timeout(autoplay, first, second, wait) {
var clock = new FakeClock();
// This is a helper function to test multiple consecutive play calls with
// different timeout values. Four steps will be completed by this function:
// 1. The autoplay will be played in a stopped state with the first timeout.
autoplay.stop();
autoplay.play(first);
// 2. Time will be forwarded a given wait time.
clock.tick(wait);
// 3. The autoplay will be paused.
autoplay.pause();
// 4. The autoplay will be played with the second timeout.
autoplay.play(second);
}
// test('stopping the autoplay timer', function() {
// expect(2);
//
// var clock = new FakeClock();
//
// var carousel = $('#simple').owlCarousel().data('owl.carousel');
// var autoplay = carousel._plugins.autoplay;
//
// clock.tick(1);
//
// autoplay.stop();
// autoplay.play();
//
// equal(autoplay.read(), 0);
//
// autoplay.pause();
// autoplay.play();
//
// equal(autoplay.read(), 0);
// });
// TODO: See todo above, seems to be broken since a while as we are trying to assign the global const Date to a new function
// test('changing autoplay timeout values', function() {
// expect(4);
//
// var carousel = $('#simple').owlCarousel().data('owl.carousel');
// var autoplay = carousel._plugins.autoplay;
//
// // Changing the timeout from 2000 to 3000 after 3000 ticks should maintain
// // the elapsed time (1000) since the last transition.
// change_timeout(autoplay, 2000, 3000, 3000);
// equal(autoplay.read() % 3000, 1000);
//
// // Changing the timeout from 4000 to 5000 after 12000 ticks should maintain
// // the elapsed time (0) since the last transition.
// change_timeout(autoplay, 4000, 5000, 12000);
// equal(autoplay.read() % 5000, 0);
//
// // Changing the timeout from 5000 to 4000 after 12000 ticks should maintain
// // the elapsed time (2000) since the last transition.
// change_timeout(autoplay, 5000, 4000, 12000);
// equal(autoplay.read() % 4000, 2000);
//
// // Changing the timeout from 11000 to 6000 after 19000 ticks should reset
// // the elapsed timer value (7000) since the last transition to 0, because
// // it is larger than the timeout value.
// change_timeout(autoplay, 11000, 6000, 19000);
// equal(autoplay.read() % 6000, 0);
// });