jellyfin-web/dashboard-ui/bower_components/iron-list/test/basic.html
2016-06-02 13:08:25 -04:00

202 lines
5.8 KiB
HTML

<!doctype html>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
The complete set of authors may be found at http://polymer.github.io/AUTHORS
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
-->
<html>
<head>
<meta charset="UTF-8">
<title>iron-list test</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
<script src="../../web-component-tester/browser.js"></script>
<link rel="import" href="helpers.html">
<link rel="import" href="x-list.html">
</head>
<body>
<test-fixture id="trivialList">
<template>
<x-list></x-list>
</template>
</test-fixture>
<script>
suite('basic features', function() {
var list, container;
setup(function() {
container = fixture('trivialList');
list = container.list;
});
test('defaults', function() {
assert.equal(list.items, null, 'items');
assert.equal(list.as, 'item', 'as');
assert.equal(list.indexAs, 'index', 'indexAs');
assert.equal(list.selectedAs, 'selected', 'selectedAs');
assert.equal(list.scrollTarget, list, 'scrollTarget');
assert.isFalse(list.selectionEnabled, 'selectionEnabled');
assert.isFalse(list.multiSelection, 'multiSelection');
});
test('check items length', function(done) {
container.data = buildDataSet(100);
flush(function() {
assert.equal(list.items.length, container.data.length);
done();
});
});
test('check physical item heights', function(done) {
container.data = buildDataSet(100);
flush(function() {
var rowHeight = list._physicalItems[0].offsetHeight;
list._physicalItems.forEach(function(item) {
assert.equal(item.offsetHeight, rowHeight);
});
done();
});
});
test('check physical item size', function(done) {
var setSize = 10;
container.data = buildDataSet(setSize);
flush(function() {
assert.equal(list.items.length, setSize);
done();
});
});
test('first visible index', function() {
container.data = buildDataSet(100);
Polymer.dom.flush();
assert.equal(list.firstVisibleIndex, 0);
list.scroll(0, container.itemHeight * 10);
list.fire('scroll');
assert.equal(list.firstVisibleIndex, 10);
list.scroll(0, container.itemHeight * 50);
list.fire('scroll');
assert.equal(list.firstVisibleIndex, 50);
list.scrollToIndex(60);
Polymer.dom.flush();
assert.equal(list.firstVisibleIndex, 60);
list.scrollToIndex(0);
Polymer.dom.flush();
assert.equal(list.firstVisibleIndex, 0);
});
test('last visible index', function() {
container.data = buildDataSet(1);
container.itemHeight = 1000;
Polymer.dom.flush();
assert.equal(list.lastVisibleIndex, 0);
container.data = buildDataSet(2);
container.itemHeight = 50;
Polymer.dom.flush();
assert.equal(list.lastVisibleIndex, 1);
container.data = buildDataSet(10);
Polymer.dom.flush();
list.scrollToIndex(8);
Polymer.dom.flush();
assert.equal(list.lastVisibleIndex, 9);
container.itemHeight = 50;
container.data = buildDataSet(100);
Polymer.dom.flush();
list.scroll(0, 100);
list.fire('scroll');
assert.equal(list.lastVisibleIndex, ((list._scrollTop + container.listHeight) / container.itemHeight) - 1);
});
test('scroll to index', function(done) {
list.items = buildDataSet(100);
setTimeout(function() {
list.scrollToIndex(30);
assert.equal(list.firstVisibleIndex, 30);
list.scrollToIndex(0);
assert.equal(list.firstVisibleIndex, 0);
var rowHeight = getFirstItemFromList(list).offsetHeight;
var viewportHeight = list.offsetHeight;
var itemsPerViewport = Math.floor(viewportHeight/rowHeight);
list.scrollToIndex(99);
assert.equal(list.firstVisibleIndex, list.items.length - itemsPerViewport);
// make the height of the viewport same as the height of the row
// and scroll to the last item
list.style.height = list._physicalItems[0].offsetHeight + 'px';
setTimeout(function() {
list.scrollToIndex(99);
assert.equal(list.firstVisibleIndex, 99);
done();
}, 100);
}, 100);
});
test('scroll to top', function(done) {
list.items = buildDataSet(100);
Polymer.dom.flush();
list.scrollToIndex(99);
Polymer.dom.flush();
list.scroll(0, 0);
setTimeout(function() {
assert.equal(list._scrollTop, 0, 'scrollTop = 0');
done();
}, 100);
});
test('scroll to a given scrollTop', function(done) {
list.items = buildDataSet(100);
Polymer.dom.flush();
list.scrollToIndex(99);
Polymer.dom.flush();
list.scroll(0, 500);
setTimeout(function() {
assert.equal(list._scrollTop, 500, 'scrollTop = 500');
done();
}, 100);
});
test('reset items', function(done) {
list.items = buildDataSet(100);
flush(function() {
assert.equal(getFirstItemFromList(list).textContent, '0');
list.items = null;
flush(function() {
assert.notEqual(getFirstItemFromList(list).textContent, '0');
list.items = buildDataSet(100);
flush(function() {
assert.equal(getFirstItemFromList(list).textContent, '0');
done();
});
});
});
});
});
</script>
</body>
</html>