five-bells-visualization
Version:
Tool to visualize Five Bells payments
192 lines (187 loc) • 8.4 kB
HTML
<!--
Copyright (c) 2014 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.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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.txt
-->
<html>
<head>
<title>core-list</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<script src="../../webcomponentsjs/webcomponents.js"></script>
<script src="../../web-component-tester/browser.js"></script>
<link rel="import" href="../core-list.html">
<style>
body {
margin: 0;
height: 100%;
}
core-list {
display: block;
height: 100%;
margin: 0 auto;
}
input {
width: 20px;
}
.item {
height: 80px;
background: lightblue;
}
.item.selected {
background: orange;
}
</style>
</head>
<body fit>
<core-list id="list">
<template>
<div class="item {{ selected ? 'selected' : '' }}">
<span id="index">{{index}}</span><br>
<span id="id">{{model.id}}</span><br>
<input id="checkbox" type="checkbox" checked="{{model.checked}}">
<input id="input" type="number" _value="{{model.value}}" class="narrow">
<select id="select" selectedIndex="{{model.type}}"><option>a</option><option>b</option><option>c</option></select>
</div>
</template>
</core-list>
<script>
test('core-list-data', function(done) {
// Initial setup
var list = document.querySelector('core-list');
var height = 80;
var physicalCount = Math.ceil(list.offsetHeight / height);
var index = 0;
// Helper to create random items
var generateItem = function() {
return {
id: Math.floor(Math.random()*10000),
checked: !!Math.floor(Math.random()*2),
value: Math.floor(Math.random()*10000),
type: Math.floor(Math.random()*3)
};
};
// Helper to populate the list
var populateList = function(next) {
var more = physicalCount * 20;
list.data = [];
while (more--) {
list.data.push(generateItem());
}
waitFor(function() {
chai.assert(list.children.length > physicalCount + 1, // (+1 for template)
'children.length should be > ' + physicalCount + ' (1 template + max number of elements) after populating list');
for (i=1; i<list.children.length - 1; i++) {
chai.assert(list.children[i].getAttribute('hidden') === null,
'all items should be visible after populating list; item ' + i + ' was hidden');
}
}, next);
};
async.series([
// Set data to null
function(next) {
populateList(function() {
list.children[1].listHasNotReRendered = true;
list.data = null;
waitFor(function() {
chai.assert(list.children[1].listHasNotReRendered,
'list should not re-render when setting list.data to null');
chai.assert(list.children.length > physicalCount + 1, // (+1 for template)
'children.length should be > ' + physicalCount + ' (1 template + max number of elements');
for (i=1; i<list.children.length - 1; i++) {
chai.assert(list.children[i].getAttribute('hidden') !== null,
'all items should be hidden after setting list.data to null; item ' + i + ' was not hidden');
}
}, next);
});
},
// Splice all items from data
function(next) {
populateList(function() {
list.data.splice(0, list.data.length);
waitFor(function() {
chai.assert(list.children[1].listHasNotReRendered,
'list should not re-render when splicing all items from list.data');
chai.assert(list.children.length > physicalCount + 1, // (+1 for template)
'children.length should be > ' + physicalCount + ' (1 template + max number of elements');
for (i=1; i<list.children.length - 1; i++) {
chai.assert(list.children[i].getAttribute('hidden') !== null,
'all items should be hidden; item after splicing all items from list.data' + i + ' was not hidden');
}
}, next);
});
},
// Set data to empty array
function(next) {
populateList(function() {
list.data = [];
waitFor(function() {
chai.assert(list.children[1].listHasNotReRendered,
'list should not re-render when initializing list.data to []');
chai.assert(list.children.length > physicalCount + 1, // (+1 for template)
'children.length should be > ' + physicalCount + ' (1 template + max number of elements');
for (i=1; i<list.children.length - 1; i++) {
chai.assert(list.children[i].getAttribute('hidden') !== null,
'all items should be hidden; item after initializing list.data to []' + i + ' was not hidden');
}
}, next);
});
},
// Push one item
function(next) {
list.data.push(generateItem());
waitFor(function() {
chai.assert(list.children[1].listHasNotReRendered,
'list should not re-render when adding items to list');
chai.assert(list.children.length > physicalCount + 1, // (+1 for template)
'children.length should be > ' + physicalCount + ' (1 template + max number of elements');
chai.assert(list.children[1].querySelector('#index').textContent == '0',
'first item index content should be ' + index + ' after adding item to list');
chai.assert(list.children[1].querySelector('#id').textContent == list.data[0].id,
'first item id content should be ' + list.data[0].id + ' after adding item to list');
for (var i=1; i<list.children.length - 1; i++) {
if (i < 2) {
chai.assert(list.children[i].getAttribute('hidden') === null,
'first 1 item should not be hidden after adding an item');
} else {
chai.assert(list.children[i].getAttribute('hidden') !== null,
'remaining items should be hidden after adding an item');
}
}
}, next);
},
// Push another item
function(next) {
list.data.push(generateItem());
waitFor(function() {
chai.assert(list.children[1].listHasNotReRendered,
'list should not re-render when adding items to list');
chai.assert(list.children.length > physicalCount + 1, // (+1 for template)
'children.length should be ' + physicalCount + ' (1 template + max number of elements');
chai.assert(list.children[1].querySelector('#index').textContent == '0',
'first item index content should be 0 after adding item to list');
chai.assert(list.children[1].querySelector('#id').textContent == list.data[0].id,
'first item id content should be ' + list.data[0].id + ' after adding item to list');
chai.assert(list.children[2].querySelector('#index').textContent == '1',
'second item index content should be 1 after adding item to list');
chai.assert(list.children[2].querySelector('#id').textContent == list.data[1].id,
'second item id content should be ' + list.data[1].id + ' after adding item to list');
for (var i=1; i<list.children.length - 1; i++) {
if (i < 3) {
chai.assert(list.children[i].getAttribute('hidden') === null,
'first 1 item should not be hidden after adding an item');
} else {
chai.assert(list.children[i].getAttribute('hidden') !== null,
'remaining items should be hidden after adding an item');
}
}
}, next);
}
], done);
});
</script>
</body>
</html>