jquery-ui/tests/unit/draggable/draggable_events.js

100 lines
1.9 KiB
JavaScript

/*
* draggable_events.js
*/
(function($) {
module("draggable: events");
test("callbacks occurrence count", function() {
expect(3);
var start = 0,
stop = 0,
dragc = 0,
el = $("#draggable2").draggable({
start: function() { start++; },
drag: function() { dragc++; },
stop: function() { stop++; }
});
el.simulate( "drag", {
dx: 10,
dy: 10
});
equal(start, 1, "start callback should happen exactly once");
equal(dragc, 3, "drag callback should happen exactly once per mousemove");
equal(stop, 1, "stop callback should happen exactly once");
});
test("stopping the start callback", function() {
expect(3);
var start = 0,
stop = 0,
dragc = 0,
el = $("#draggable2").draggable({
start: function() { start++; return false; },
drag: function() { dragc++; },
stop: function() { stop++; }
});
el.simulate( "drag", {
dx: 10,
dy: 10
});
equal(start, 1, "start callback should happen exactly once");
equal(dragc, 0, "drag callback should not happen at all");
equal(stop, 0, "stop callback should not happen if there wasnt even a start");
});
test("stopping the drag callback", function() {
expect(3);
var start = 0,
stop = 0,
dragc = 0,
el = $("#draggable2").draggable({
start: function() { start++;},
drag: function() { dragc++; return false; },
stop: function() { stop++; }
});
el.simulate( "drag", {
dx: 10,
dy: 10
});
equal(start, 1, "start callback should happen exactly once");
equal(dragc, 1, "drag callback should happen exactly once");
equal(stop, 1, "stop callback should happen, as we need to actively stop the drag");
});
test("stopping the stop callback", function() {
expect(1);
var el = $("#draggable2").draggable({
helper: 'clone',
stop: function() { return false; }
});
el.simulate( "drag", {
dx: 10,
dy: 10
});
ok($("#draggable2").data('ui-draggable').helper, "the clone should not be deleted if the stop callback is stopped");
});
})(jQuery);