short-url/public/vendor/seiyria-bootstrap-slider/test/specs/ScrollableBodySpec.js

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JavaScript
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2020-07-01 08:57:45 +00:00
describe("Scrollable body test", function() {
var testSlider;
var sliderHandleTopPos;
var sliderHandleLeftPos;
describe("Vertical scrolled body", function() {
beforeEach(function() {
testSlider = new Slider("#veryLowPositionedSlider", {
id: "scrollTestSliderId",
orientation: "vertical",
min: 0,
max: 20,
value: 10,
step: 1
});
document.body.scrollTop = 2000;
var sliderHandleEl = document.querySelector("#scrollTestSliderId .slider-handle");
var sliderHandleBoundingBoxInfo = sliderHandleEl.getBoundingClientRect();
sliderHandleTopPos = sliderHandleBoundingBoxInfo.top;
sliderHandleLeftPos = sliderHandleBoundingBoxInfo.left;
});
afterEach(function() {
if(testSlider) {
testSlider.destroy();
}
document.body.scrollTop = 0;
});
// The difference between sliderHandleTopPos and mousemoveY is equal to 50 in both cases,
// but difference between initial and final slider value is not equal (6 and 4).
// It happens because we don't 'hit' the center of handle but the top left corner.
it("slides up when handle moves upwards after scroll page down", function() {
var mousemove = document.createEvent('MouseEvents');
var mousemoveX = sliderHandleLeftPos;
var mousemoveY = sliderHandleTopPos - 50;
var newSliderValue;
mousemove.initMouseEvent(
"mousedown",
true /* bubble */,
true /* cancelable */,
window,
null,
0, 0, mousemoveX, mousemoveY, /* coordinates */
false, false, false, false, /* modifier keys */
0 /*left*/,
null
);
testSlider.sliderElem.dispatchEvent(mousemove);
newSliderValue = testSlider.getValue();
expect(newSliderValue).toEqual(4);
});
it("slides down when handle moves downwards after scroll page down", function() {
var mousemove = document.createEvent('MouseEvents');
var mousemoveX = sliderHandleLeftPos;
var mousemoveY = sliderHandleTopPos + 50;
var newSliderValue;
mousemove.initMouseEvent(
"mousedown",
true /* bubble */,
true /* cancelable */,
window,
null,
0, 0, mousemoveX, mousemoveY, /* coordinates */
false, false, false, false, /* modifier keys */
0 /*left*/,
null
);
testSlider.sliderElem.dispatchEvent(mousemove);
newSliderValue = testSlider.getValue();
expect(newSliderValue).toEqual(14);
});
});
describe('Horizontal scrolled body', function() {
beforeEach(function() {
testSlider = new Slider('#offRightEdgeSliderInput', {
id: 'offRightEdgeSlider',
orientation: 'horizontal',
min: 0,
max: 20,
value: 10,
step: 1,
});
testSlider.sliderElem.scrollIntoView();
var handle = document.querySelector('#offRightEdgeSlider .slider-handle');
var handleRect = handle.getBoundingClientRect();
sliderHandleTopPos = handleRect.top;
sliderHandleLeftPos = handleRect.left;
});
afterEach(function() {
if (testSlider) {
testSlider.destroy();
}
window.scrollTo(0, 0);
});
it('slides left when clicked on the left of the handle', function() {
var x = sliderHandleLeftPos - 50;
var y = sliderHandleTopPos;
var mousedown, newSliderValue;
mousedown = createMouseDownEvent(x, y);
testSlider.sliderElem.dispatchEvent(mousedown);
newSliderValue = testSlider.getValue();
expect(newSliderValue).toEqual(4);
});
it('slides right when clicked on the left of the handle', function() {
var x = sliderHandleLeftPos + 50;
var y = sliderHandleTopPos;
var mousedown, newSliderValue;
mousedown = createMouseDownEvent(x, y);
testSlider.sliderElem.dispatchEvent(mousedown);
newSliderValue = testSlider.getValue();
expect(newSliderValue).toEqual(14);
});
function createMouseDownEvent(x, y) {
var mousedown = document.createEvent('MouseEvents');
mousedown.initMouseEvent(
'mousedown',
false /* bubble */,
true /* cancelable */,
window, /* view */
null, /* detail */
0, 0, x, y, /* coordinates */
false, false, false, false, /* modifier keys */
0, /* button: left */
null /* relatedTarget */
);
return mousedown;
}
});
});