selection.html
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<!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>
<script src="../../test-fixture/test-fixture-mocha.js"></script>
<script src="../../iron-test-helpers/mock-interactions.js"></script>
<link rel="import" href="../../test-fixture/test-fixture.html">
<link rel="import" href="../../paper-styles/paper-styles.html">
<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('selection', function() {
var list, container;
setup(function() {
container = fixture('trivialList');
list = container.list;
});
test('single selection by item index', function(done) {
list.items = buildDataSet(100);
flush(function() {
assert.isNull(list.selectedItem);
list.selectItem(0);
assert.deepEqual(list.selectedItem, list.items[0]);
list.deselectItem(0);
assert.deepEqual(list.selectedItem, null);
list.selectItem(99);
assert.deepEqual(list.selectedItem, list.items[99]);
done();
});
});
test('single selection by item object', function(done) {
list.items = buildDataSet(100);
flush(function() {
assert.isNull(list.selectedItem);
list.selectItem(list.items[50]);
assert.deepEqual(list.selectedItem, list.items[50]);
done();
});
});
test('multi selection by item index', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.multiSelection = true;
assert.isArray(list.selectedItems);
list.selectItem(0);
list.selectItem(50);
list.selectItem(99);
assert.equal(list.selectedItems.length, 3);
assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[50]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[99]), -1);
assert.equal(list.selectedItems.indexOf(list.items[2]), -1);
done();
});
});
test('multi selection by item object', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.multiSelection = true;
assert.isArray(list.selectedItems);
list.selectItem(list.items[0]);
list.selectItem(list.items[50]);
list.selectItem(list.items[99]);
assert.equal(list.selectedItems.length, 3);
assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[50]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[99]), -1);
assert.equal(list.selectedItems.indexOf(list.items[2]), -1);
done();
});
});
test('clear selection', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.multiSelection = true;
assert.isArray(list.selectedItems);
list.items.forEach(function(item) {
list.selectItem(item);
});
assert.equal(list.selectedItems.length, list.items.length);
list.clearSelection();
assert.equal(list.selectedItems.length, 0);
done();
});
});
test('toggle selection by item index', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.toggleSelectionForItem(0);
assert.deepEqual(list.selectedItem, list.items[0]);
list.toggleSelectionForItem(0);
assert.isNull(list.selectedItem);
done();
});
});
test('toggle selection by item object', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.toggleSelectionForItem(list.items[0]);
assert.deepEqual(list.selectedItem, list.items[0]);
list.toggleSelectionForItem(list.items[0]);
assert.isNull(list.selectedItem);
done();
});
});
test('change multi property', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.multiSelection = true;
assert.isArray(list.selectedItems);
list.multiSelection = false;
assert.isNotArray(list.selectedItems);
assert.isNull(list.selectedItems);
list.multiSelection = true;
assert.isArray(list.selectedItems);
done();
});
});
test('selectionEnabled with single selection', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.selectionEnabled = true;
assert.isNull(list.selectedItem);
// select item[0]
MockInteractions.tap(list._physicalItems[0]);
assert.deepEqual(list.selectedItem, list.items[0]);
// select item[5] and deselect item[0]
MockInteractions.tap(list._physicalItems[5]);
// select item[1] and deselect item[5]
MockInteractions.tap(list._physicalItems[1]);
assert.deepEqual(list.selectedItem, list.items[1]);
done();
});
});
test('selectionEnabled with multiple selection', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.multiSelection = true;
MockInteractions.tap(list._physicalItems[0]);
assert.equal(list.selectedItems.length, 0);
// enable the feature
list.selectionEnabled = true;
// select item[0]
MockInteractions.tap(list._physicalItems[0]);
assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
// multiple selection
MockInteractions.tap(list._physicalItems[1]);
MockInteractions.tap(list._physicalItems[5]);
MockInteractions.tap(list._physicalItems[10]);
MockInteractions.tap(list._physicalItems[12]);
list.selectItem(0);
list.deselectItem(1);
assert.equal(list.selectedItems.indexOf(list.items[1]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[5]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[10]), -1);
assert.notEqual(list.selectedItems.indexOf(list.items[12]), -1);
list.clearSelection();
assert.equal(list.selectedItems.length, 0);
// disable the feature
list.selectionEnabled = false;
MockInteractions.tap(list._physicalItems[1]);
assert.equal(list.selectedItems.length, 0);
done();
});
});
test('toggle', function(done) {
list.items = buildDataSet(100);
flush(function() {
list.selectionEnabled = true;
MockInteractions.tap(list._physicalItems[0]);
assert.deepEqual(list.selectedItem, list.items[0]);
MockInteractions.tap(list._physicalItems[0]);
assert.isNull(list.selectedItem);
MockInteractions.tap(list._physicalItems[0]);
list.clearSelection();
assert.isNull(list.selectedItem);
done();
});
});
test('selectedAs', function(done) {
list.items = buildDataSet(100);
flush(function() {
// multi selection
list.multiSelection = true;
assert.isFalse(list._physicalItems[0]._templateInstance.selected);
list.selectItem(0);
assert.isTrue(list._physicalItems[0]._templateInstance.selected);
list.toggleSelectionForItem(0);
assert.isFalse(list._physicalItems[0]._templateInstance.selected);
// single selection
list.multiSelection = false;
list.selectItem(0);
list.selectItem(10);
assert.isFalse(list._physicalItems[0]._templateInstance.selected);
assert.isTrue(list._physicalItems[10]._templateInstance.selected);
done();
});
});
test('splice a selected item', function(done) {
list.items = buildDataSet(100);
flush(function() {
// multi selection
list.multiSelection = true;
// select the first two items
list.selectItem(0);
list.selectItem(1);
assert.equal(list.selectedItems.length, 2);
// remove the first two items
list.splice('items', 0, 2);
assert.equal(list.selectedItems.length, 0);
done();
});
});
});
</script>
</body>
</html>