multi.html
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<!doctype html>
<!--
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.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>iron-selector-multi</title>
<meta charset="utf-8">
<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>
<script src="../../test-fixture/test-fixture-mocha.js"></script>
<link rel="import" href="../../test-fixture/test-fixture.html">
<link rel="import" href="../../iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="../iron-selector.html">
<style>
.iron-selected {
background: #ccc;
}
</style>
</head>
<body>
<test-fixture id="test">
<template>
<iron-selector multi>
<div>Item 0</div>
<div>Item 1</div>
<div>Item 2</div>
<div>Item 3</div>
<div>Item 4</div>
</iron-selector>
</template>
</test-fixture>
<!--
NOTE(cdata): Enable test-fixture when polymer/polymer#2495 is resolved
-->
<!--<test-fixture id="repeatedItems">
<template>-->
<iron-selector multi id="repeatedItems">
<template is="dom-repeat" items='["foo", "bar", "baz"]'>
<div>[[item]]</div>
</template>
<div>vim</div>
</iron-selector>
<!--</template>
</test-fixture>-->
<script>
suite('multi', function() {
var s;
setup(function () {
s = fixture('test');
});
test('honors the multi attribute', function() {
assert.isTrue(s.multi);
});
test('has sane defaults', function() {
assert.equal(s.selectedValues, undefined);
assert.equal(s.selectedClass, 'iron-selected');
assert.equal(s.items.length, 5);
});
test('set multi-selection via selected property', function() {
// set selectedValues
s.selectedValues = [0, 2];
// check selected class
assert.isTrue(s.children[0].classList.contains('iron-selected'));
assert.isTrue(s.children[2].classList.contains('iron-selected'));
// check selectedItems
assert.equal(s.selectedItems.length, 2);
assert.equal(s.selectedItems[0], s.children[0]);
assert.equal(s.selectedItems[1], s.children[2]);
});
test('set multi-selection via tap', function() {
// set selectedValues
s.children[0].dispatchEvent(new CustomEvent('tap', {bubbles: true}));
s.children[2].dispatchEvent(new CustomEvent('tap', {bubbles: true}));
// check selected class
assert.isTrue(s.children[0].classList.contains('iron-selected'));
assert.isTrue(s.children[2].classList.contains('iron-selected'));
// check selectedItems
assert.equal(s.selectedItems.length, 2);
assert.equal(s.selectedItems[0], s.children[0]);
assert.equal(s.selectedItems[1], s.children[2]);
});
test('fire iron-select/deselect events', function() {
// setup listener for iron-select event
var selectEventCounter = 0;
s.addEventListener('iron-select', function(e) {
selectEventCounter++;
});
// setup listener for core-deselect event
var deselectEventCounter = 0;
s.addEventListener('iron-deselect', function(e) {
deselectEventCounter++;
});
// tap to select an item
s.children[0].dispatchEvent(new CustomEvent('tap', {bubbles: true}));
// check events
assert.equal(selectEventCounter, 1);
assert.equal(deselectEventCounter, 0);
// tap on already selected item should deselect it
s.children[0].dispatchEvent(new CustomEvent('tap', {bubbles: true}));
// check selectedValues
assert.equal(s.selectedValues.length, 0);
// check class
assert.isFalse(s.children[0].classList.contains('iron-selected'));
// check events
assert.equal(selectEventCounter, 1);
assert.equal(deselectEventCounter, 1);
});
test('fires selected-values-changed when selection changes', function() {
var selectedValuesChangedEventCounter = 0;
s.addEventListener('selected-values-changed', function(e) {
selectedValuesChangedEventCounter++;
});
MockInteractions.tap(Polymer.dom(s).children[0]);
MockInteractions.tap(Polymer.dom(s).children[0]);
MockInteractions.tap(Polymer.dom(s).children[0]);
expect(selectedValuesChangedEventCounter);
});
test('selects from items created by dom-repeat', function(done) {
var selectEventCounter = 0;
var firstChild;
s = document.querySelector('#repeatedItems');
s.addEventListener('iron-select', function(e) {
selectEventCounter++;
});
// NOTE(cdata): I guess `dom-repeat` doesn't stamp synchronously..
Polymer.Base.async(function() {
firstChild = Polymer.dom(s).querySelector('div');
MockInteractions.tap(firstChild);
assert.equal(s.selectedItems[0].textContent, 'foo');
done();
});
});
/* test('toggle multi from true to false', function() {
// set selected
s.selected = [0, 2];
var first = s.selected[0];
// set mutli to false, so to make it single-selection
s.multi = false;
// selected should not be an array
assert.isNotArray(s.selected);
// selected should be the first value from the old array
assert.equal(s.selected, first);
}); */
});
</script>
</body>
</html>