mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
705 lines
24 KiB
JavaScript
705 lines
24 KiB
JavaScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const utils = require('./utils');
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const expect = require('expect');
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const {
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getTestState,
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setupTestBrowserHooks,
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setupTestPageAndContextHooks,
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} = require('./mocha-utils');
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describe('waittask specs', function () {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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describe('Page.waitFor', function () {
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itFailsFirefox('should wait for selector', async () => {
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const { page, server } = getTestState();
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let found = false;
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const waitFor = page.waitFor('div').then(() => (found = true));
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await page.goto(server.EMPTY_PAGE);
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expect(found).toBe(false);
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await page.goto(server.PREFIX + '/grid.html');
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await waitFor;
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expect(found).toBe(true);
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});
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itFailsFirefox('should wait for an xpath', async () => {
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const { page, server } = getTestState();
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let found = false;
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const waitFor = page.waitFor('//div').then(() => (found = true));
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await page.goto(server.EMPTY_PAGE);
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expect(found).toBe(false);
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await page.goto(server.PREFIX + '/grid.html');
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await waitFor;
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expect(found).toBe(true);
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});
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itFailsFirefox(
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'should not allow you to select an element with single slash xpath',
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async () => {
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const { page } = getTestState();
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await page.setContent(`<div>some text</div>`);
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let error = null;
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await page
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.waitFor('/html/body/div')
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.catch((error_) => (error = error_));
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expect(error).toBeTruthy();
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}
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);
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it('should timeout', async () => {
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const { page } = getTestState();
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const startTime = Date.now();
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const timeout = 42;
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await page.waitFor(timeout);
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expect(Date.now() - startTime).not.toBeLessThan(timeout / 2);
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});
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it('should work with multiline body', async () => {
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const { page } = getTestState();
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const result = await page.waitForFunction(`
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(() => true)()
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`);
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expect(await result.jsonValue()).toBe(true);
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});
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it('should wait for predicate', async () => {
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const { page } = getTestState();
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await Promise.all([
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page.waitFor(() => window.innerWidth < 100),
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page.setViewport({ width: 10, height: 10 }),
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]);
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});
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it('should throw when unknown type', async () => {
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const { page } = getTestState();
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let error = null;
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await page.waitFor({ foo: 'bar' }).catch((error_) => (error = error_));
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expect(error.message).toContain('Unsupported target type');
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});
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it('should wait for predicate with arguments', async () => {
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const { page } = getTestState();
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await page.waitFor((arg1, arg2) => arg1 !== arg2, {}, 1, 2);
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});
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});
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describe('Frame.waitForFunction', function () {
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it('should accept a string', async () => {
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const { page } = getTestState();
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const watchdog = page.waitForFunction('window.__FOO === 1');
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await page.evaluate(() => (window.__FOO = 1));
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await watchdog;
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});
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itFailsFirefox(
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'should work when resolved right before execution context disposal',
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async () => {
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const { page } = getTestState();
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await page.evaluateOnNewDocument(() => (window.__RELOADED = true));
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await page.waitForFunction(() => {
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if (!window.__RELOADED) window.location.reload();
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return true;
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});
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}
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);
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it('should poll on interval', async () => {
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const { page } = getTestState();
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let success = false;
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const startTime = Date.now();
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const polling = 100;
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const watchdog = page
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.waitForFunction(() => window.__FOO === 'hit', { polling })
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.then(() => (success = true));
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await page.evaluate(() => (window.__FOO = 'hit'));
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expect(success).toBe(false);
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await page.evaluate(() =>
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document.body.appendChild(document.createElement('div'))
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);
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await watchdog;
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expect(Date.now() - startTime).not.toBeLessThan(polling / 2);
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});
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it('should poll on interval async', async () => {
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const { page } = getTestState();
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let success = false;
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const startTime = Date.now();
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const polling = 100;
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const watchdog = page
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.waitForFunction(async () => window.__FOO === 'hit', { polling })
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.then(() => (success = true));
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await page.evaluate(async () => (window.__FOO = 'hit'));
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expect(success).toBe(false);
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await page.evaluate(async () =>
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document.body.appendChild(document.createElement('div'))
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);
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await watchdog;
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expect(Date.now() - startTime).not.toBeLessThan(polling / 2);
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});
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it('should poll on mutation', async () => {
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const { page } = getTestState();
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let success = false;
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const watchdog = page
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.waitForFunction(() => window.__FOO === 'hit', { polling: 'mutation' })
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.then(() => (success = true));
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await page.evaluate(() => (window.__FOO = 'hit'));
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expect(success).toBe(false);
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await page.evaluate(() =>
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document.body.appendChild(document.createElement('div'))
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);
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await watchdog;
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});
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it('should poll on mutation async', async () => {
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const { page } = getTestState();
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let success = false;
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const watchdog = page
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.waitForFunction(async () => window.__FOO === 'hit', {
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polling: 'mutation',
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})
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.then(() => (success = true));
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await page.evaluate(async () => (window.__FOO = 'hit'));
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expect(success).toBe(false);
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await page.evaluate(async () =>
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document.body.appendChild(document.createElement('div'))
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);
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await watchdog;
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});
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it('should poll on raf', async () => {
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const { page } = getTestState();
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const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {
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polling: 'raf',
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});
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await page.evaluate(() => (window.__FOO = 'hit'));
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await watchdog;
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});
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it('should poll on raf async', async () => {
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const { page } = getTestState();
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const watchdog = page.waitForFunction(
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async () => window.__FOO === 'hit',
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{
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polling: 'raf',
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}
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);
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await page.evaluate(async () => (window.__FOO = 'hit'));
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await watchdog;
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});
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itFailsFirefox('should work with strict CSP policy', async () => {
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const { page, server } = getTestState();
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server.setCSP('/empty.html', 'script-src ' + server.PREFIX);
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await page.goto(server.EMPTY_PAGE);
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let error = null;
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await Promise.all([
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page
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.waitForFunction(() => window.__FOO === 'hit', { polling: 'raf' })
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.catch((error_) => (error = error_)),
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page.evaluate(() => (window.__FOO = 'hit')),
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]);
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expect(error).toBe(null);
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});
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it('should throw on bad polling value', async () => {
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const { page } = getTestState();
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let error = null;
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try {
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await page.waitForFunction(() => !!document.body, {
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polling: 'unknown',
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});
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} catch (error_) {
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error = error_;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('polling');
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});
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it('should throw negative polling interval', async () => {
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const { page } = getTestState();
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let error = null;
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try {
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await page.waitForFunction(() => !!document.body, { polling: -10 });
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} catch (error_) {
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error = error_;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('Cannot poll with non-positive interval');
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});
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it('should return the success value as a JSHandle', async () => {
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const { page } = getTestState();
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expect(await (await page.waitForFunction(() => 5)).jsonValue()).toBe(5);
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});
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it('should return the window as a success value', async () => {
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const { page } = getTestState();
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expect(await page.waitForFunction(() => window)).toBeTruthy();
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});
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itFailsFirefox('should accept ElementHandle arguments', async () => {
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const { page } = getTestState();
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await page.setContent('<div></div>');
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const div = await page.$('div');
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let resolved = false;
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const waitForFunction = page
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.waitForFunction((element) => !element.parentElement, {}, div)
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.then(() => (resolved = true));
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expect(resolved).toBe(false);
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await page.evaluate((element) => element.remove(), div);
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await waitForFunction;
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});
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it('should respect timeout', async () => {
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const { page, puppeteer } = getTestState();
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let error = null;
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await page
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.waitForFunction('false', { timeout: 10 })
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.catch((error_) => (error = error_));
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expect(error).toBeTruthy();
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expect(error.message).toContain('waiting for function failed: timeout');
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expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
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});
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it('should respect default timeout', async () => {
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const { page, puppeteer } = getTestState();
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page.setDefaultTimeout(1);
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let error = null;
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await page.waitForFunction('false').catch((error_) => (error = error_));
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expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
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expect(error.message).toContain('waiting for function failed: timeout');
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});
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it('should disable timeout when its set to 0', async () => {
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const { page } = getTestState();
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const watchdog = page.waitForFunction(
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() => {
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window.__counter = (window.__counter || 0) + 1;
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return window.__injected;
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},
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{ timeout: 0, polling: 10 }
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);
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await page.waitForFunction(() => window.__counter > 10);
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await page.evaluate(() => (window.__injected = true));
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await watchdog;
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});
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it('should survive cross-process navigation', async () => {
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const { page, server } = getTestState();
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let fooFound = false;
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const waitForFunction = page
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.waitForFunction('window.__FOO === 1')
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.then(() => (fooFound = true));
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await page.goto(server.EMPTY_PAGE);
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expect(fooFound).toBe(false);
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await page.reload();
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expect(fooFound).toBe(false);
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await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html');
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expect(fooFound).toBe(false);
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await page.evaluate(() => (window.__FOO = 1));
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await waitForFunction;
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expect(fooFound).toBe(true);
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});
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it('should survive navigations', async () => {
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const { page, server } = getTestState();
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const watchdog = page.waitForFunction(() => window.__done);
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await page.goto(server.EMPTY_PAGE);
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await page.goto(server.PREFIX + '/consolelog.html');
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await page.evaluate(() => (window.__done = true));
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await watchdog;
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});
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});
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describeFailsFirefox('Frame.waitForSelector', function () {
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const addElement = (tag) =>
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document.body.appendChild(document.createElement(tag));
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it('should immediately resolve promise if node exists', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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await frame.waitForSelector('*');
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await frame.evaluate(addElement, 'div');
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await frame.waitForSelector('div');
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});
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it('should work with removed MutationObserver', async () => {
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const { page } = getTestState();
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await page.evaluate(() => delete window.MutationObserver);
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const [handle] = await Promise.all([
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page.waitForSelector('.zombo'),
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page.setContent(`<div class='zombo'>anything</div>`),
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]);
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expect(await page.evaluate((x) => x.textContent, handle)).toBe(
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'anything'
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);
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});
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it('should resolve promise when node is added', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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const watchdog = frame.waitForSelector('div');
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await frame.evaluate(addElement, 'br');
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await frame.evaluate(addElement, 'div');
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const eHandle = await watchdog;
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const tagName = await eHandle
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.getProperty('tagName')
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.then((e) => e.jsonValue());
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expect(tagName).toBe('DIV');
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});
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it('should work when node is added through innerHTML', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const watchdog = page.waitForSelector('h3 div');
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await page.evaluate(addElement, 'span');
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await page.evaluate(
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() =>
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(document.querySelector('span').innerHTML = '<h3><div></div></h3>')
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);
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await watchdog;
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});
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it('Page.waitForSelector is shortcut for main frame', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const otherFrame = page.frames()[1];
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const watchdog = page.waitForSelector('div');
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await otherFrame.evaluate(addElement, 'div');
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await page.evaluate(addElement, 'div');
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const eHandle = await watchdog;
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expect(eHandle.executionContext().frame()).toBe(page.mainFrame());
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});
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it('should run in specified frame', async () => {
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const { page, server } = getTestState();
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
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const frame1 = page.frames()[1];
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const frame2 = page.frames()[2];
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const waitForSelectorPromise = frame2.waitForSelector('div');
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await frame1.evaluate(addElement, 'div');
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await frame2.evaluate(addElement, 'div');
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const eHandle = await waitForSelectorPromise;
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expect(eHandle.executionContext().frame()).toBe(frame2);
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});
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it('should throw when frame is detached', async () => {
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const { page, server } = getTestState();
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const frame = page.frames()[1];
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let waitError = null;
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const waitPromise = frame
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.waitForSelector('.box')
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.catch((error) => (waitError = error));
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await utils.detachFrame(page, 'frame1');
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await waitPromise;
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expect(waitError).toBeTruthy();
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expect(waitError.message).toContain(
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'waitForFunction failed: frame got detached.'
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);
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});
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it('should survive cross-process navigation', async () => {
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const { page, server } = getTestState();
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let boxFound = false;
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const waitForSelector = page
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.waitForSelector('.box')
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.then(() => (boxFound = true));
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await page.goto(server.EMPTY_PAGE);
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expect(boxFound).toBe(false);
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await page.reload();
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expect(boxFound).toBe(false);
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await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html');
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await waitForSelector;
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expect(boxFound).toBe(true);
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});
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it('should wait for visible', async () => {
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const { page } = getTestState();
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let divFound = false;
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const waitForSelector = page
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.waitForSelector('div', { visible: true })
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.then(() => (divFound = true));
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await page.setContent(
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`<div style='display: none; visibility: hidden;'>1</div>`
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);
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expect(divFound).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('display')
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);
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expect(divFound).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('visibility')
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);
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expect(await waitForSelector).toBe(true);
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expect(divFound).toBe(true);
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});
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it('should wait for visible recursively', async () => {
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const { page } = getTestState();
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let divVisible = false;
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const waitForSelector = page
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.waitForSelector('div#inner', { visible: true })
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.then(() => (divVisible = true));
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await page.setContent(
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`<div style='display: none; visibility: hidden;'><div id="inner">hi</div></div>`
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);
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expect(divVisible).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('display')
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);
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expect(divVisible).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('visibility')
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);
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expect(await waitForSelector).toBe(true);
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expect(divVisible).toBe(true);
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});
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it('hidden should wait for visibility: hidden', async () => {
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const { page } = getTestState();
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let divHidden = false;
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await page.setContent(`<div style='display: block;'></div>`);
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const waitForSelector = page
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.waitForSelector('div', { hidden: true })
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.then(() => (divHidden = true));
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await page.waitForSelector('div'); // do a round trip
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expect(divHidden).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.setProperty('visibility', 'hidden')
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);
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expect(await waitForSelector).toBe(true);
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expect(divHidden).toBe(true);
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});
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it('hidden should wait for display: none', async () => {
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const { page } = getTestState();
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let divHidden = false;
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|
await page.setContent(`<div style='display: block;'></div>`);
|
|
const waitForSelector = page
|
|
.waitForSelector('div', { hidden: true })
|
|
.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 () => {
|
|
const { page } = getTestState();
|
|
|
|
await page.setContent(`<div></div>`);
|
|
let divRemoved = false;
|
|
const waitForSelector = page
|
|
.waitForSelector('div', { hidden: true })
|
|
.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 () => {
|
|
const { page } = getTestState();
|
|
|
|
const handle = await page.waitForSelector('non-existing', {
|
|
hidden: true,
|
|
});
|
|
expect(handle).toBe(null);
|
|
});
|
|
it('should respect timeout', async () => {
|
|
const { page, puppeteer } = getTestState();
|
|
|
|
let error = null;
|
|
await page
|
|
.waitForSelector('div', { timeout: 10 })
|
|
.catch((error_) => (error = error_));
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain(
|
|
'waiting for selector "div" failed: timeout'
|
|
);
|
|
expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
|
|
});
|
|
it('should have an error message specifically for awaiting an element to be hidden', async () => {
|
|
const { page } = getTestState();
|
|
|
|
await page.setContent(`<div></div>`);
|
|
let error = null;
|
|
await page
|
|
.waitForSelector('div', { hidden: true, timeout: 10 })
|
|
.catch((error_) => (error = error_));
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain(
|
|
'waiting for selector "div" to be hidden failed: timeout'
|
|
);
|
|
});
|
|
|
|
it('should respond to node attribute mutation', async () => {
|
|
const { page } = getTestState();
|
|
|
|
let divFound = false;
|
|
const waitForSelector = page
|
|
.waitForSelector('.zombo')
|
|
.then(() => (divFound = true));
|
|
await page.setContent(`<div class='notZombo'></div>`);
|
|
expect(divFound).toBe(false);
|
|
await page.evaluate(
|
|
() => (document.querySelector('div').className = 'zombo')
|
|
);
|
|
expect(await waitForSelector).toBe(true);
|
|
});
|
|
itFailsFirefox('should return the element handle', async () => {
|
|
const { page } = getTestState();
|
|
|
|
const waitForSelector = page.waitForSelector('.zombo');
|
|
await page.setContent(`<div class='zombo'>anything</div>`);
|
|
expect(
|
|
await page.evaluate((x) => x.textContent, await waitForSelector)
|
|
).toBe('anything');
|
|
});
|
|
it('should have correct stack trace for timeout', async () => {
|
|
const { page } = getTestState();
|
|
|
|
let error;
|
|
await page
|
|
.waitForSelector('.zombo', { timeout: 10 })
|
|
.catch((error_) => (error = error_));
|
|
expect(error.stack).toContain('waittask.spec.js');
|
|
});
|
|
});
|
|
|
|
describeFailsFirefox('Frame.waitForXPath', function () {
|
|
const addElement = (tag) =>
|
|
document.body.appendChild(document.createElement(tag));
|
|
|
|
it('should support some fancy xpath', async () => {
|
|
const { page } = getTestState();
|
|
|
|
await page.setContent(`<p>red herring</p><p>hello world </p>`);
|
|
const waitForXPath = page.waitForXPath(
|
|
'//p[normalize-space(.)="hello world"]'
|
|
);
|
|
expect(
|
|
await page.evaluate((x) => x.textContent, await waitForXPath)
|
|
).toBe('hello world ');
|
|
});
|
|
it('should respect timeout', async () => {
|
|
const { page, puppeteer } = getTestState();
|
|
|
|
let error = null;
|
|
await page
|
|
.waitForXPath('//div', { timeout: 10 })
|
|
.catch((error_) => (error = error_));
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain(
|
|
'waiting for XPath "//div" failed: timeout'
|
|
);
|
|
expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
|
|
});
|
|
it('should run in specified frame', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
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.waitForXPath('//div');
|
|
await frame1.evaluate(addElement, 'div');
|
|
await frame2.evaluate(addElement, 'div');
|
|
const eHandle = await waitForXPathPromise;
|
|
expect(eHandle.executionContext().frame()).toBe(frame2);
|
|
});
|
|
it('should throw when frame is detached', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
|
|
const frame = page.frames()[1];
|
|
let waitError = null;
|
|
const waitPromise = frame
|
|
.waitForXPath('//*[@class="box"]')
|
|
.catch((error) => (waitError = error));
|
|
await utils.detachFrame(page, 'frame1');
|
|
await waitPromise;
|
|
expect(waitError).toBeTruthy();
|
|
expect(waitError.message).toContain(
|
|
'waitForFunction failed: frame got detached.'
|
|
);
|
|
});
|
|
it('hidden should wait for display: none', async () => {
|
|
const { page } = getTestState();
|
|
|
|
let divHidden = false;
|
|
await page.setContent(`<div style='display: block;'></div>`);
|
|
const waitForXPath = page
|
|
.waitForXPath('//div', { hidden: true })
|
|
.then(() => (divHidden = true));
|
|
await page.waitForXPath('//div'); // do a round trip
|
|
expect(divHidden).toBe(false);
|
|
await page.evaluate(() =>
|
|
document.querySelector('div').style.setProperty('display', 'none')
|
|
);
|
|
expect(await waitForXPath).toBe(true);
|
|
expect(divHidden).toBe(true);
|
|
});
|
|
it('should return the element handle', async () => {
|
|
const { page } = getTestState();
|
|
|
|
const waitForXPath = page.waitForXPath('//*[@class="zombo"]');
|
|
await page.setContent(`<div class='zombo'>anything</div>`);
|
|
expect(
|
|
await page.evaluate((x) => x.textContent, await waitForXPath)
|
|
).toBe('anything');
|
|
});
|
|
it('should allow you to select a text node', async () => {
|
|
const { page } = getTestState();
|
|
|
|
await page.setContent(`<div>some text</div>`);
|
|
const text = await page.waitForXPath('//div/text()');
|
|
expect(await (await text.getProperty('nodeType')).jsonValue()).toBe(
|
|
3 /* Node.TEXT_NODE */
|
|
);
|
|
});
|
|
it('should allow you to select an element with single slash', async () => {
|
|
const { page } = getTestState();
|
|
|
|
await page.setContent(`<div>some text</div>`);
|
|
const waitForXPath = page.waitForXPath('/html/body/div');
|
|
expect(
|
|
await page.evaluate((x) => x.textContent, await waitForXPath)
|
|
).toBe('some text');
|
|
});
|
|
});
|
|
});
|