puppeteer/test/mouse.spec.js

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/**
* Copyright 2018 Google Inc. All rights reserved.
*
* 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.
*/
function dimensions() {
const rect = document.querySelector('textarea').getBoundingClientRect();
return {
x: rect.left,
y: rect.top,
width: rect.width,
height: rect.height
};
}
module.exports.addTests = function({testRunner, expect}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Mouse', function() {
it('should resize the textarea', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
const {x, y, width, height} = await page.evaluate(dimensions);
const mouse = page.mouse;
await mouse.move(x + width - 4, y + height - 4);
await mouse.down();
await mouse.move(x + width + 100, y + height + 100);
await mouse.up();
const newDimensions = await page.evaluate(dimensions);
expect(newDimensions.width).toBe(width + 104);
expect(newDimensions.height).toBe(height + 104);
});
it('should select the text with mouse', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.focus('textarea');
const text = 'This is the text that we are going to try to select. Let\'s see how it goes.';
await page.keyboard.type(text);
await page.evaluate(() => document.querySelector('textarea').scrollTop = 0);
const {x, y} = await page.evaluate(dimensions);
await page.mouse.move(x + 2,y + 2);
await page.mouse.down();
await page.mouse.move(100,100);
await page.mouse.up();
expect(await page.evaluate(() => window.getSelection().toString())).toBe(text);
});
it('should trigger hover state', async({page, server}) => {
await page.goto(server.PREFIX + '/input/scrollable.html');
await page.hover('#button-6');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
await page.hover('#button-2');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-2');
await page.hover('#button-91');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-91');
});
it('should trigger hover state with removed window.Node', async({page, server}) => {
await page.goto(server.PREFIX + '/input/scrollable.html');
await page.evaluate(() => delete window.Node);
await page.hover('#button-6');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
});
it('should set modifier keys on click', async({page, server}) => {
await page.goto(server.PREFIX + '/input/scrollable.html');
await page.evaluate(() => document.querySelector('#button-3').addEventListener('mousedown', e => window.lastEvent = e, true));
const modifiers = {'Shift': 'shiftKey', 'Control': 'ctrlKey', 'Alt': 'altKey', 'Meta': 'metaKey'};
for (const modifier in modifiers) {
await page.keyboard.down(modifier);
await page.click('#button-3');
if (!(await page.evaluate(mod => window.lastEvent[mod], modifiers[modifier])))
fail(modifiers[modifier] + ' should be true');
await page.keyboard.up(modifier);
}
await page.click('#button-3');
for (const modifier in modifiers) {
if ((await page.evaluate(mod => window.lastEvent[mod], modifiers[modifier])))
fail(modifiers[modifier] + ' should be false');
}
});
it('should tween mouse movement', async({page, server}) => {
await page.mouse.move(100, 100);
await page.evaluate(() => {
window.result = [];
document.addEventListener('mousemove', event => {
window.result.push([event.clientX, event.clientY]);
});
});
await page.mouse.move(200, 300, {steps: 5});
expect(await page.evaluate('result')).toEqual([
[120, 140],
[140, 180],
[160, 220],
[180, 260],
[200, 300]
]);
});
});
};