/** * 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. */ const expect = require('expect'); const { getTestState, setupTestBrowserHooks, setupTestPageAndContextHooks, } = require('./mocha-utils'); const utils = require('./utils'); describe('ElementHandle specs', function () { setupTestBrowserHooks(); setupTestPageAndContextHooks(); describeFailsFirefox('ElementHandle.boundingBox', function () { it('should work', async () => { const { page, server } = getTestState(); await page.setViewport({ width: 500, height: 500 }); await page.goto(server.PREFIX + '/grid.html'); const elementHandle = await page.$('.box:nth-of-type(13)'); const box = await elementHandle.boundingBox(); expect(box).toEqual({ x: 100, y: 50, width: 50, height: 50 }); }); it('should handle nested frames', async () => { const { page, server, isChrome } = getTestState(); await page.setViewport({ width: 500, height: 500 }); await page.goto(server.PREFIX + '/frames/nested-frames.html'); const nestedFrame = page.frames()[1].childFrames()[1]; const elementHandle = await nestedFrame.$('div'); const box = await elementHandle.boundingBox(); if (isChrome) expect(box).toEqual({ x: 28, y: 260, width: 264, height: 18 }); else expect(box).toEqual({ x: 28, y: 182, width: 254, height: 18 }); }); it('should return null for invisible elements', async () => { const { page } = getTestState(); await page.setContent('
hi
'); const element = await page.$('div'); expect(await element.boundingBox()).toBe(null); }); it('should force a layout', async () => { const { page } = getTestState(); await page.setViewport({ width: 500, height: 500 }); await page.setContent( '
hello
' ); const elementHandle = await page.$('div'); await page.evaluate( (element) => (element.style.height = '200px'), elementHandle ); const box = await elementHandle.boundingBox(); expect(box).toEqual({ x: 8, y: 8, width: 100, height: 200 }); }); it('should work with SVG nodes', async () => { const { page } = getTestState(); await page.setContent(` `); const element = await page.$('#therect'); const pptrBoundingBox = await element.boundingBox(); const webBoundingBox = await page.evaluate((e) => { const rect = e.getBoundingClientRect(); return { x: rect.x, y: rect.y, width: rect.width, height: rect.height }; }, element); expect(pptrBoundingBox).toEqual(webBoundingBox); }); }); describeFailsFirefox('ElementHandle.boxModel', function () { it('should work', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/resetcss.html'); // Step 1: Add Frame and position it absolutely. await utils.attachFrame(page, 'frame1', server.PREFIX + '/resetcss.html'); await page.evaluate(() => { const frame = document.querySelector('#frame1'); frame.style = ` position: absolute; left: 1px; top: 2px; `; }); // Step 2: Add div and position it absolutely inside frame. const frame = page.frames()[1]; const divHandle = ( await frame.evaluateHandle(() => { const div = document.createElement('div'); document.body.appendChild(div); div.style = ` box-sizing: border-box; position: absolute; border-left: 1px solid black; padding-left: 2px; margin-left: 3px; left: 4px; top: 5px; width: 6px; height: 7px; `; return div; }) ).asElement(); // Step 3: query div's boxModel and assert box values. const box = await divHandle.boxModel(); expect(box.width).toBe(6); expect(box.height).toBe(7); expect(box.margin[0]).toEqual({ x: 1 + 4, // frame.left + div.left y: 2 + 5, }); expect(box.border[0]).toEqual({ x: 1 + 4 + 3, // frame.left + div.left + div.margin-left y: 2 + 5, }); expect(box.padding[0]).toEqual({ x: 1 + 4 + 3 + 1, // frame.left + div.left + div.marginLeft + div.borderLeft y: 2 + 5, }); expect(box.content[0]).toEqual({ x: 1 + 4 + 3 + 1 + 2, // frame.left + div.left + div.marginLeft + div.borderLeft + dif.paddingLeft y: 2 + 5, }); }); it('should return null for invisible elements', async () => { const { page } = getTestState(); await page.setContent('
hi
'); const element = await page.$('div'); expect(await element.boxModel()).toBe(null); }); }); describe('ElementHandle.contentFrame', function () { itFailsFirefox('should work', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); const elementHandle = await page.$('#frame1'); const frame = await elementHandle.contentFrame(); expect(frame).toBe(page.frames()[1]); }); }); describe('ElementHandle.click', function () { it('should work', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/button.html'); const button = await page.$('button'); await button.click(); expect(await page.evaluate(() => result)).toBe('Clicked'); }); it('should work for Shadow DOM v1', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/shadow.html'); const buttonHandle = await page.evaluateHandle(() => button); await buttonHandle.click(); expect(await page.evaluate(() => clicked)).toBe(true); }); it('should work for TextNodes', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/button.html'); const buttonTextNode = await page.evaluateHandle( () => document.querySelector('button').firstChild ); let error = null; await buttonTextNode.click().catch((error_) => (error = error_)); expect(error.message).toBe('Node is not of type HTMLElement'); }); it('should throw for detached nodes', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/button.html'); const button = await page.$('button'); await page.evaluate((button) => button.remove(), button); let error = null; await button.click().catch((error_) => (error = error_)); expect(error.message).toBe('Node is detached from document'); }); it('should throw for hidden nodes', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/button.html'); const button = await page.$('button'); await page.evaluate((button) => (button.style.display = 'none'), button); const error = await button.click().catch((error_) => error_); expect(error.message).toBe( 'Node is either not visible or not an HTMLElement' ); }); it('should throw for recursively hidden nodes', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/button.html'); const button = await page.$('button'); await page.evaluate( (button) => (button.parentElement.style.display = 'none'), button ); const error = await button.click().catch((error_) => error_); expect(error.message).toBe( 'Node is either not visible or not an HTMLElement' ); }); itFailsFirefox('should throw for
elements', async () => { const { page } = getTestState(); await page.setContent('hello
goodbye'); const br = await page.$('br'); const error = await br.click().catch((error_) => error_); expect(error.message).toBe( 'Node is either not visible or not an HTMLElement' ); }); }); describe('ElementHandle.hover', function () { itFailsFirefox('should work', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/scrollable.html'); const button = await page.$('#button-6'); await button.hover(); expect( await page.evaluate(() => document.querySelector('button:hover').id) ).toBe('button-6'); }); }); describe('ElementHandle.isIntersectingViewport', function () { it('should work', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/offscreenbuttons.html'); for (let i = 0; i < 11; ++i) { const button = await page.$('#btn' + i); // All but last button are visible. const visible = i < 10; expect(await button.isIntersectingViewport()).toBe(visible); } }); }); describe('Custom queries', function () { this.afterEach(() => { const { puppeteer } = getTestState(); puppeteer.__experimental_clearQueryHandlers(); }); it('should register and unregister', async () => { const { page, puppeteer } = getTestState(); await page.setContent('
'); // Register. puppeteer.__experimental_registerCustomQueryHandler( 'getById', (element, selector) => document.querySelector(`[id="${selector}"]`) ); const element = await page.$('getById/foo'); expect(await page.evaluate((element) => element.id, element)).toBe('foo'); // Unregister. puppeteer.__experimental_unregisterCustomQueryHandler('getById'); try { await page.$('getById/foo'); expect.fail('Custom query handler not set - throw expected'); } catch (error) { expect(error).toStrictEqual( new Error( 'Query set to use "getById", but no query handler of that name was found' ) ); } }); it('should throw with invalid query names', () => { try { const { puppeteer } = getTestState(); puppeteer.__experimental_registerCustomQueryHandler( '1/2/3', (element, selector) => {} ); expect.fail('Custom query handler name was invalid - throw expected'); } catch (error) { expect(error).toStrictEqual( new Error('Custom query handler names may only contain [a-zA-Z]') ); } }); it('should work for multiple elements', async () => { const { page, puppeteer } = getTestState(); await page.setContent( '
Foo1
Foo2
' ); puppeteer.__experimental_registerCustomQueryHandler( 'getByClass', (element, selector) => document.querySelectorAll(`.${selector}`) ); const elements = await page.$$('getByClass/foo'); const classNames = await Promise.all( elements.map( async (element) => await page.evaluate((element) => element.className, element) ) ); expect(classNames).toStrictEqual(['foo', 'foo baz']); }); it('should eval correctly', async () => { const { page, puppeteer } = getTestState(); await page.setContent( '
Foo1
Foo2
' ); puppeteer.__experimental_registerCustomQueryHandler( 'getByClass', (element, selector) => document.querySelectorAll(`.${selector}`) ); const elements = await page.$$eval( 'getByClass/foo', (divs) => divs.length ); expect(elements).toBe(2); }); it('should wait correctly with waitForSelector', async () => { const { page, puppeteer } = getTestState(); puppeteer.__experimental_registerCustomQueryHandler( 'getByClass', (element, selector) => element.querySelector(`.${selector}`) ); const waitFor = page.waitForSelector('getByClass/foo'); // Set the page content after the waitFor has been started. await page.setContent( '
Foo1
' ); const element = await waitFor; expect(element).toBeDefined(); }); it('should wait correctly with waitFor', async () => { const { page, puppeteer } = getTestState(); puppeteer.__experimental_registerCustomQueryHandler( 'getByClass', (element, selector) => element.querySelector(`.${selector}`) ); const waitFor = page.waitFor('getByClass/foo'); // Set the page content after the waitFor has been started. await page.setContent( '
Foo1
' ); const element = await waitFor; expect(element).toBeDefined(); }); }); });