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/**
* @license
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import '../../../test/common-test-setup-karma.js';
import './gr-hovercard.js';
import {html} from '@polymer/polymer/lib/utils/html-tag.js';
const basicFixture = fixtureFromTemplate(html`
<gr-hovercard for="foo" id="bar"></gr-hovercard>
`);
suite('gr-hovercard tests', () => {
let element;
let button;
setup(() => {
button = document.createElement('button');
button.innerHTML = 'Hello';
button.setAttribute('id', 'foo');
document.body.appendChild(button);
element = basicFixture.instantiate();
});
teardown(() => {
element.hide({});
button.remove();
});
test('updatePosition', () => {
// Test that the correct style properties have at least been set.
element.position = 'bottom';
element.updatePosition();
assert.typeOf(element.style.getPropertyValue('left'), 'string');
assert.typeOf(element.style.getPropertyValue('top'), 'string');
assert.typeOf(element.style.getPropertyValue('paddingTop'), 'string');
assert.typeOf(element.style.getPropertyValue('marginTop'), 'string');
const parentRect = document.documentElement.getBoundingClientRect();
const targetRect = element._target.getBoundingClientRect();
const thisRect = element.getBoundingClientRect();
const targetLeft = targetRect.left - parentRect.left;
const targetTop = targetRect.top - parentRect.top;
const pixelCompare = pixel =>
Math.round(parseInt(pixel.substring(0, pixel.length - 1)), 10);
assert.equal(
pixelCompare(element.style.left),
pixelCompare(
(targetLeft + (targetRect.width - thisRect.width) / 2) + 'px'));
assert.equal(
pixelCompare(element.style.top),
pixelCompare(
(targetTop + targetRect.height + element.offset) + 'px'));
});
test('hide', () => {
element.hide({});
const style = getComputedStyle(element);
assert.isFalse(element._isShowing);
assert.isFalse(element.classList.contains('hovered'));
assert.equal(style.display, 'none');
assert.notEqual(element.container, element.parentNode);
});
test('show', () => {
element.show({});
const style = getComputedStyle(element);
assert.isTrue(element._isShowing);
assert.isTrue(element.classList.contains('hovered'));
assert.equal(style.opacity, '1');
assert.equal(style.visibility, 'visible');
});
test('debounceShow does not show immediately', done => {
element.debounceShowBy(100);
setTimeout(() => {
assert.isFalse(element._isShowing);
done();
}, 0);
});
test('debounceShow shows after delay', done => {
element.debounceShowBy(1);
setTimeout(() => {
assert.isTrue(element._isShowing);
done();
}, 10);
});
test('card is scheduled to show on enter and hides on leave', done => {
const button = document.querySelector('button');
assert.isFalse(element._isShowing);
const enterHandler = event => {
assert.isTrue(element._isScheduledToShow);
element._showDebouncer.flush();
assert.isTrue(element._isShowing);
assert.isFalse(element._isScheduledToShow);
button.dispatchEvent(new CustomEvent('mouseleave'));
};
const leaveHandler = event => {
assert.isTrue(element._isScheduledToHide);
assert.isTrue(element._isShowing);
element._hideDebouncer.flush();
assert.isFalse(element._isScheduledToShow);
assert.isFalse(element._isShowing);
button.removeEventListener('mouseenter', enterHandler);
button.removeEventListener('mouseleave', leaveHandler);
done();
};
button.addEventListener('mouseenter', enterHandler);
button.addEventListener('mouseleave', leaveHandler);
button.dispatchEvent(new CustomEvent('mouseenter'));
});
test('card should disappear on click', done => {
const button = document.querySelector('button');
assert.isFalse(element._isShowing);
const enterHandler = event => {
assert.isTrue(element._isScheduledToShow);
// click to hide
MockInteractions.tap(button);
};
const leaveHandler = event => {
// no flush needed as hide will be called immediately
assert.isFalse(element._isScheduledToShow);
assert.isFalse(element._isShowing);
button.removeEventListener('mouseenter', enterHandler);
button.removeEventListener('click', leaveHandler);
done();
};
button.addEventListener('mouseenter', enterHandler);
button.addEventListener('click', leaveHandler);
button.dispatchEvent(new CustomEvent('mouseenter'));
});
});