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<html>
<head>
<meta charset="UTF-8">
<title>iron-dropdown basic tests</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="../iron-dropdown.html">
<link rel="import" href="../../test-fixture/test-fixture.html">
</head>
<body>
<test-fixture id="TrivialDropdown">
<template>
<iron-dropdown>
<div class="dropdown-content">Hello!</div>
</iron-dropdown>
</template>
</test-fixture>
<test-fixture id="NonLockingDropdown">
<template>
<iron-dropdown>
<div class="dropdown-content" allow-outside-scroll>I don't lock scroll!</div>
</iron-dropdown>
</template>
</test-fixture>
<test-fixture id="AlignedDropdown">
<template>
<div style="display: block; position: relative; width: 100px; height: 100px;">
<iron-dropdown horizontal-align="right" vertical-align="top">
<div class="dropdown-content">Hello!</div>
</iron-dropdown>
</div>
</template>
</test-fixture>
<test-fixture id="FocusableContentDropdown">
<template>
<iron-dropdown>
<div class="dropdown-content" tabindex="0">
<div class="subcontent" tabindex="0"></div>
</div>
</iron-dropdown>
</template>
</test-fixture>
<script>
function elementIsVisible(element) {
var contentRect = element.getBoundingClientRect();
var computedStyle = window.getComputedStyle(element);
return computedStyle.display !== 'none' &&
contentRect.width > 0 &&
contentRect.height > 0;
}
suite('<iron-dropdown>', function() {
var dropdown;
var content;
suite('basic', function() {
setup(function() {
dropdown = fixture('TrivialDropdown');
content = Polymer.dom(dropdown).querySelector('.dropdown-content');
});
test('effectively hides the dropdown content', function() {
expect(elementIsVisible(content)).to.be.equal(false);
});
test('shows dropdown content when opened', function(done) {
dropdown.open();
Polymer.Base.async(function() {
expect(elementIsVisible(content)).to.be.equal(true);
done();
});
});
test('hides dropdown content when outside is clicked', function(done) {
dropdown.open();
Polymer.Base.async(function() {
expect(elementIsVisible(content)).to.be.equal(true);
MockInteractions.downAndUp(document.body, function() {
Polymer.Base.async(function() {
expect(elementIsVisible(content)).to.be.equal(false);
done();
}, 100);
});
});
});
suite('when content is focusable', function() {
setup(function() {
dropdown = fixture('FocusableContentDropdown');
content = Polymer.dom(dropdown).querySelector('.dropdown-content');
});
test('focuses the content when opened', function(done) {
dropdown.open();
Polymer.Base.async(function() {
expect(document.activeElement).to.be.equal(content);
done();
});
});
test('focuses a configured focus target', function(done) {
var focusableChild = Polymer.dom(content).querySelector('div[tabindex]');
dropdown.focusTarget = focusableChild;
dropdown.open();
Polymer.Base.async(function() {
expect(document.activeElement).to.not.be.equal(content);
expect(document.activeElement).to.be.equal(focusableChild);
done();
});
});
});
});
suite('locking scroll', function() {
var dropdown;
setup(function() {
dropdown = fixture('NonLockingDropdown');
});
test('can be disabled with `allowOutsideScroll`', function() {
dropdown.open();
expect(Polymer.IronDropdownScrollManager.elementIsScrollLocked(document.body))
.to.be.equal(false);
});
});
suite('aligned dropdown', function() {
var parent;
setup(function() {
parent = fixture('AlignedDropdown');
dropdown = parent.querySelector('iron-dropdown');
});
test('can be re-aligned to the right and the top', function(done) {
var parentRect;
var dropdownRect;
dropdown.opened = true;
Polymer.Base.async(function() {
dropdownRect = dropdown.getBoundingClientRect();
parentRect = parent.getBoundingClientRect();
// NOTE(cdata): IE10 / 11 have minor rounding errors in this case,
// so we assert with `closeTo` and a tight threshold:
expect(dropdownRect.top).to.be.closeTo(parentRect.top, 0.1);
expect(dropdownRect.right).to.be.closeTo(parentRect.right, 0.1);
done();
}, 1);
});
test('can be re-aligned to the bottom', function(done) {
var parentRect;
var dropdownRect;
dropdown.verticalAlign = 'bottom';
dropdown.opened = true;
Polymer.Base.async(function() {
parentRect = parent.getBoundingClientRect();
dropdownRect = dropdown.getBoundingClientRect();
// NOTE(cdata): IE10 / 11 have minor rounding errors in this case,
// so we assert with `closeTo` and a tight threshold:
expect(dropdownRect.bottom).to.be.closeTo(parentRect.bottom, 0.1);
expect(dropdownRect.right).to.be.closeTo(parentRect.right, 0.1);
done();
}, 1);
});
suite('with an offset', function() {
test('is offset by the offset value when open', function() {
var dropdownRect;
var offsetDropdownRect;
dropdown.opened = true;
Polymer.Base.async(function() {
dropdownRect = dropdown.getBoundingClientRect();
dropdownRect.verticalOffset = 10;
dropdownRect.horizontalOffset = -10;
offsetDropdownRect = dropdown.getBoundingClientRect();
expect(dropdownRect.top).to.be.equal(offsetDropdownRect.top - 10);
expect(dropdownRect.left).to.be.equal(offsetDropdownRect.left + 10);
}, 1);
});
});
});
});
</script>
</body>
</html>