/** * Copyright 2018 Google Inc. All rights reserved. * Modifications copyright (c) Microsoft Corporation. * * 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 utils = require('./utils'); /** * @type {PageTestSuite} */ module.exports.describe = function({testRunner, expect, product, playwright, FFOX, CHROMIUM, WEBKIT}) { const {describe, xdescribe, fdescribe} = testRunner; const {it, fit, xit, dit} = testRunner; const {beforeAll, beforeEach, afterAll, afterEach} = testRunner; describe('Page.waitFor', function() { it('should wait for selector', async({page, server}) => { let found = false; const waitFor = page.waitFor('div').then(() => found = true); await page.goto(server.EMPTY_PAGE); expect(found).toBe(false); await page.goto(server.PREFIX + '/grid.html'); await waitFor; expect(found).toBe(true); }); it('should wait for an xpath', async({page, server}) => { let found = false; const waitFor = page.waitFor('//div').then(() => found = true); await page.goto(server.EMPTY_PAGE); expect(found).toBe(false); await page.goto(server.PREFIX + '/grid.html'); await waitFor; expect(found).toBe(true); }); it('should not allow you to select an element with single slash xpath', async({page, server}) => { await page.setContent(`
some text
`); let error = null; await page.waitFor('/html/body/div').catch(e => error = e); expect(error).toBeTruthy(); }); it('should timeout', async({page, server}) => { const startTime = Date.now(); const timeout = 42; await page.waitFor(timeout); expect(Date.now() - startTime).not.toBeLessThan(timeout / 2); }); it('should work with multiline body', async({page, server}) => { const result = await page.waitForFunction(` (() => true)() `); expect(await result.jsonValue()).toBe(true); }); it('should wait for predicate', async({page, server}) => { await Promise.all([ page.waitFor(() => window.innerWidth < 130), // Windows doesn't like windows below 120px wide page.setViewportSize({width: 10, height: 10}), ]); }); it('should throw when unknown type', async({page, server}) => { let error = null; await page.waitFor({foo: 'bar'}).catch(e => error = e); expect(error.message).toContain('Unsupported target type'); }); it('should wait for predicate with arguments', async({page, server}) => { await page.waitFor((arg1, arg2) => arg1 !== arg2, {}, 1, 2); }); }); describe('Frame.waitForFunction', function() { it('should accept a string', async({page, server}) => { const watchdog = page.waitForFunction('window.__FOO === 1'); await page.evaluate(() => window.__FOO = 1); await watchdog; }); it('should work when resolved right before execution context disposal', async({page, server}) => { await page.addInitScript(() => window.__RELOADED = true); await page.waitForFunction(() => { if (!window.__RELOADED) window.location.reload(); return true; }); }); it('should poll on interval', async({page, server}) => { const polling = 100; const timeDelta = await page.waitForFunction(() => { if (!window.__startTime) { window.__startTime = Date.now(); return false; } return Date.now() - window.__startTime; }, {polling}); expect(timeDelta).not.toBeLessThan(polling); }); it('should poll on mutation', async({page, server}) => { let success = false; const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling: 'mutation'}) .then(() => success = true); await page.evaluate(() => window.__FOO = 'hit'); expect(success).toBe(false); await page.evaluate(() => document.body.appendChild(document.createElement('div'))); await watchdog; }); it('should poll on raf', async({page, server}) => { const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling: 'raf'}); await page.evaluate(() => window.__FOO = 'hit'); await watchdog; }); it.fail(FFOX)('should work with strict CSP policy', async({page, server}) => { server.setCSP('/empty.html', 'script-src ' + server.PREFIX); await page.goto(server.EMPTY_PAGE); let error = null; await Promise.all([ page.waitForFunction(() => window.__FOO === 'hit', {polling: 'raf'}).catch(e => error = e), page.evaluate(() => window.__FOO = 'hit') ]); expect(error).toBe(null); }); it('should throw on bad polling value', async({page, server}) => { let error = null; try { await page.waitForFunction(() => !!document.body, {polling: 'unknown'}); } catch (e) { error = e; } expect(error).toBeTruthy(); expect(error.message).toContain('polling'); }); it('should throw negative polling interval', async({page, server}) => { let error = null; try { await page.waitForFunction(() => !!document.body, {polling: -10}); } catch (e) { error = e; } expect(error).toBeTruthy(); expect(error.message).toContain('Cannot poll with non-positive interval'); }); it('should return the success value as a JSHandle', async({page}) => { expect(await (await page.waitForFunction(() => 5)).jsonValue()).toBe(5); }); it('should return the window as a success value', async({ page }) => { expect(await page.waitForFunction(() => window)).toBeTruthy(); }); it('should accept ElementHandle arguments', async({page}) => { await page.setContent('
'); const div = await page.$('div'); let resolved = false; const waitForFunction = page.waitForFunction(element => !element.parentElement, {}, div).then(() => resolved = true); expect(resolved).toBe(false); await page.evaluate(element => element.remove(), div); await waitForFunction; }); it('should respect timeout', async({page}) => { let error = null; await page.waitForFunction('false', {timeout: 10}).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('waiting for function failed: timeout'); expect(error).toBeInstanceOf(playwright.errors.TimeoutError); }); it('should respect default timeout', async({page}) => { page.setDefaultTimeout(1); let error = null; await page.waitForFunction('false').catch(e => error = e); expect(error).toBeInstanceOf(playwright.errors.TimeoutError); expect(error.message).toContain('waiting for function failed: timeout'); }); it('should disable timeout when its set to 0', async({page}) => { const watchdog = page.waitForFunction(() => { window.__counter = (window.__counter || 0) + 1; return window.__injected; }, {timeout: 0, polling: 10}); await page.waitForFunction(() => window.__counter > 10); await page.evaluate(() => window.__injected = true); await watchdog; }); it('should survive cross-process navigation', async({page, server}) => { let fooFound = false; const waitForFunction = page.waitForFunction('window.__FOO === 1').then(() => fooFound = true); await page.goto(server.EMPTY_PAGE); expect(fooFound).toBe(false); await page.reload(); expect(fooFound).toBe(false); await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html'); expect(fooFound).toBe(false); await page.evaluate(() => window.__FOO = 1); await waitForFunction; expect(fooFound).toBe(true); }); it('should survive navigations', async({page, server}) => { const watchdog = page.waitForFunction(() => window.__done); await page.goto(server.EMPTY_PAGE); await page.goto(server.PREFIX + '/consolelog.html'); await page.evaluate(() => window.__done = true); await watchdog; }); }); describe('Frame.waitForSelector', function() { const addElement = tag => document.body.appendChild(document.createElement(tag)); it('should immediately resolve promise if node exists', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const frame = page.mainFrame(); await frame.waitForSelector('*'); await frame.evaluate(addElement, 'div'); await frame.waitForSelector('div'); }); it('should work with removed MutationObserver', async({page, server}) => { await page.evaluate(() => delete window.MutationObserver); const [handle] = await Promise.all([ page.waitForSelector('.zombo'), page.setContent(`
anything
`), ]); expect(await page.evaluate(x => x.textContent, handle)).toBe('anything'); }); it('should resolve promise when node is added', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const frame = page.mainFrame(); const watchdog = frame.waitForSelector('div'); await frame.evaluate(addElement, 'br'); await frame.evaluate(addElement, 'div'); const eHandle = await watchdog; const tagName = await eHandle.getProperty('tagName').then(e => e.jsonValue()); expect(tagName).toBe('DIV'); }); it('should work when node is added through innerHTML', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const watchdog = page.waitForSelector('h3 div'); await page.evaluate(addElement, 'span'); await page.evaluate(() => document.querySelector('span').innerHTML = '

'); await watchdog; }); it('Page.$ waitFor is shortcut for main frame', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); const otherFrame = page.frames()[1]; const watchdog = page.waitForSelector('div'); await otherFrame.evaluate(addElement, 'div'); await page.evaluate(addElement, 'div'); const eHandle = await watchdog; expect(await eHandle.ownerFrame()).toBe(page.mainFrame()); }); it('should run in specified frame', async({page, server}) => { await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE); const frame1 = page.frames()[1]; const frame2 = page.frames()[2]; const waitForSelectorPromise = frame2.waitForSelector('div'); await frame1.evaluate(addElement, 'div'); await frame2.evaluate(addElement, 'div'); const eHandle = await waitForSelectorPromise; expect(await eHandle.ownerFrame()).toBe(frame2); }); it('should throw when frame is detached', async({page, server}) => { await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); const frame = page.frames()[1]; let waitError = null; const waitPromise = frame.waitForSelector('.box').catch(e => waitError = e); await utils.detachFrame(page, 'frame1'); await waitPromise; expect(waitError).toBeTruthy(); expect(waitError.message).toContain('waitForFunction failed: frame got detached.'); }); it('should survive cross-process navigation', async({page, server}) => { let boxFound = false; const waitForSelector = page.waitForSelector('.box').then(() => boxFound = true); await page.goto(server.EMPTY_PAGE); expect(boxFound).toBe(false); await page.reload(); expect(boxFound).toBe(false); await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html'); await waitForSelector; expect(boxFound).toBe(true); }); it('should wait for visible', async({page, server}) => { let divFound = false; const waitForSelector = page.waitForSelector('div', { waitFor: 'visible' }).then(() => divFound = true); await page.setContent(`
1
`); expect(divFound).toBe(false); await page.evaluate(() => document.querySelector('div').style.removeProperty('display')); expect(divFound).toBe(false); await page.evaluate(() => document.querySelector('div').style.removeProperty('visibility')); expect(await waitForSelector).toBe(true); expect(divFound).toBe(true); }); it('should wait for visible recursively', async({page, server}) => { let divVisible = false; const waitForSelector = page.waitForSelector('div#inner', { waitFor: 'visible' }).then(() => divVisible = true); await page.setContent(`
hi
`); expect(divVisible).toBe(false); await page.evaluate(() => document.querySelector('div').style.removeProperty('display')); expect(divVisible).toBe(false); await page.evaluate(() => document.querySelector('div').style.removeProperty('visibility')); expect(await waitForSelector).toBe(true); expect(divVisible).toBe(true); }); it('hidden should wait for hidden', async({page, server}) => { let divHidden = false; await page.setContent(`
`); const waitForSelector = page.waitForSelector('div', { waitFor: 'hidden' }).then(() => divHidden = true); await page.waitForSelector('div'); // do a round trip expect(divHidden).toBe(false); await page.evaluate(() => document.querySelector('div').style.setProperty('visibility', 'hidden')); expect(await waitForSelector).toBe(true); expect(divHidden).toBe(true); }); it('hidden should wait for display: none', async({page, server}) => { let divHidden = false; await page.setContent(`
`); const waitForSelector = page.waitForSelector('div', { waitFor: 'hidden' }).then(() => divHidden = true); await page.waitForSelector('div'); // do a round trip expect(divHidden).toBe(false); await page.evaluate(() => document.querySelector('div').style.setProperty('display', 'none')); expect(await waitForSelector).toBe(true); expect(divHidden).toBe(true); }); it('hidden should wait for removal', async({page, server}) => { await page.setContent(`
`); let divRemoved = false; const waitForSelector = page.waitForSelector('div', { waitFor: 'hidden' }).then(() => divRemoved = true); await page.waitForSelector('div'); // do a round trip expect(divRemoved).toBe(false); await page.evaluate(() => document.querySelector('div').remove()); expect(await waitForSelector).toBe(true); expect(divRemoved).toBe(true); }); it('should return null if waiting to hide non-existing element', async({page, server}) => { const handle = await page.waitForSelector('non-existing', { waitFor: 'hidden' }); expect(handle).toBe(null); }); it('should respect timeout', async({page, server}) => { let error = null; await page.waitForSelector('div', { timeout: 10 }).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('waiting for selector "div" failed: timeout'); expect(error).toBeInstanceOf(playwright.errors.TimeoutError); }); it('should have an error message specifically for awaiting an element to be hidden', async({page, server}) => { await page.setContent(`
`); let error = null; await page.waitForSelector('div', { waitFor: 'hidden', timeout: 10 }).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('waiting for selector "[hidden] div" failed: timeout'); }); it('should respond to node attribute mutation', async({page, server}) => { let divFound = false; const waitForSelector = page.waitForSelector('.zombo').then(() => divFound = true); await page.setContent(`
`); expect(divFound).toBe(false); await page.evaluate(() => document.querySelector('div').className = 'zombo'); expect(await waitForSelector).toBe(true); }); it('should return the element handle', async({page, server}) => { const waitForSelector = page.waitForSelector('.zombo'); await page.setContent(`
anything
`); expect(await page.evaluate(x => x.textContent, await waitForSelector)).toBe('anything'); }); it('should have correct stack trace for timeout', async({page, server}) => { let error; await page.waitForSelector('.zombo', { timeout: 10 }).catch(e => error = e); expect(error.stack).toContain('waittask.spec.js'); }); it('should throw for unknown waitFor option', async({page, server}) => { await page.setContent('
test
'); const error = await page.waitForSelector('section', { waitFor: 'foo' }).catch(e => e); expect(error.message).toContain('Unsupported waitFor option'); }); it('should throw for visibility option', async({page, server}) => { await page.setContent('
test
'); const error = await page.waitForSelector('section', { visibility: 'hidden' }).catch(e => e); expect(error.message).toBe('options.visibility is not supported, did you mean options.waitFor?'); }); it('should throw for true waitFor option', async({page, server}) => { await page.setContent('
test
'); const error = await page.waitForSelector('section', { waitFor: true }).catch(e => e); expect(error.message).toContain('Unsupported waitFor option'); }); it('should throw for false waitFor option', async({page, server}) => { await page.setContent('
test
'); const error = await page.waitForSelector('section', { waitFor: false }).catch(e => e); expect(error.message).toContain('Unsupported waitFor option'); }); it('should support >> selector syntax', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const frame = page.mainFrame(); const watchdog = frame.waitForSelector('css=div >> css=span'); await frame.evaluate(addElement, 'br'); await frame.evaluate(addElement, 'div'); await frame.evaluate(() => document.querySelector('div').appendChild(document.createElement('span'))); const eHandle = await watchdog; const tagName = await eHandle.getProperty('tagName').then(e => e.jsonValue()); expect(tagName).toBe('SPAN'); }); it('should wait for detached if already detached', async({page, server}) => { await page.setContent('
43543
'); expect(await page.waitForSelector('css=div', { waitFor: 'detached'})).toBe(null); }); it('should wait for detached', async({page, server}) => { await page.setContent('
43543
'); let done = false; const waitFor = page.waitForSelector('css=div', { waitFor: 'detached'}).then(() => done = true); expect(done).toBe(false); await page.waitForSelector('css=section'); expect(done).toBe(false); await page.$eval('div', div => div.remove()); expect(await waitFor).toBe(true); expect(done).toBe(true); }); }); describe('Frame.waitForSelector xpath', function() { const addElement = tag => document.body.appendChild(document.createElement(tag)); it('should support some fancy xpath', async({page, server}) => { await page.setContent(`

red herring

hello world

`); const waitForXPath = page.waitForSelector('//p[normalize-space(.)="hello world"]'); expect(await page.evaluate(x => x.textContent, await waitForXPath)).toBe('hello world '); }); it('should respect timeout', async({page}) => { let error = null; await page.waitForSelector('//div', { timeout: 10 }).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('waiting for selector "//div" failed: timeout'); expect(error).toBeInstanceOf(playwright.errors.TimeoutError); }); it('should run in specified frame', async({page, server}) => { await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE); const frame1 = page.frames()[1]; const frame2 = page.frames()[2]; const waitForXPathPromise = frame2.waitForSelector('//div'); await frame1.evaluate(addElement, 'div'); await frame2.evaluate(addElement, 'div'); const eHandle = await waitForXPathPromise; expect(await eHandle.ownerFrame()).toBe(frame2); }); it('should throw when frame is detached', async({page, server}) => { await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); const frame = page.frames()[1]; let waitError = null; const waitPromise = frame.waitForSelector('//*[@class="box"]').catch(e => waitError = e); await utils.detachFrame(page, 'frame1'); await waitPromise; expect(waitError).toBeTruthy(); expect(waitError.message).toContain('waitForFunction failed: frame got detached.'); }); it('should return the element handle', async({page, server}) => { const waitForXPath = page.waitForSelector('//*[@class="zombo"]'); await page.setContent(`
anything
`); expect(await page.evaluate(x => x.textContent, await waitForXPath)).toBe('anything'); }); it('should allow you to select an element with single slash', async({page, server}) => { await page.setContent(`
some text
`); const waitForXPath = page.waitForSelector('//html/body/div'); expect(await page.evaluate(x => x.textContent, await waitForXPath)).toBe('some text'); }); }); };