headless-browser

问题 The main difference is, execution on GUI bases and non GUI bases(Headless). I am looking for difference between all Headless browsers with each other, But unfortunately I didn't find any. I go through one by one, Which makes more confusion. It would be great if someone can share short information with differences, which makes things clear. 回答1: Browser A Browser is an application program that provides a way to look at and interact with all the information on the World Wide Web. Technically a

问题 I'm trying to follow the Selenium Webdrive Tutorial http://www.toolsqa.com/selenium-webdriver/headless-browser-testing-selenium-webdriver/ There is a simple test, here you are the steps: Open webpage http://google.com Get the title of the page. Search for ‘Selenium’ Check the title of the page again. Starting from the class code sample, here you are my code package headlessBrowser; import org.openqa.selenium.By; import org.openqa.selenium.WebElement; import org.openqa.selenium.htmlunit

问题 Throughout the process of installation chrome headless on a clean ubuntu 18.04 i faced quite a few issues. The setup guide on github is not sufficient for a clean ubuntu 18.04 The following are some errors and answer / solutions to setting up headless chrome an alternative to phantomjs. Error 1 (node:23835) UnhandledPromiseRejectionWarning: Error: Chromium revision is not downloaded. Run "npm install" or "yarn install" at Launcher.launch owlcommand.com /puppeteer/node_modules/puppeteer/lib

问题 I would like to generate HTML Snapshots using Watir, hosted on Heroku. Google's Full Specification for Making AJAX Applications Crawlable suggests using HTMLUnit... see How do I create an HTML snapshot? point #3. HtmlUnit is a Java-only headless browser emulator; and unfortunately jRuby is not an option on Heroku. So HtmlUnit is ruled out (to my knowledge). If you're interested I have another question open regarding HtmlUnit as a service hosted on Google App Engine... Making AJAX Applications

问题 Tried setting the browser size on chrome --headless by using Selenium webdriver commands. I get this webdriver error: - Failed: unknown error: cannot get automation extension from unknown error: page could not be found: chrome-extension://aapnijgdinlhnhlmodcfapnahmbfebeb/_generated_background_page.html (Session info: headless chrome=58.0.3029.81) (Driver info: chromedriver=2.29.461571 (8a88bbe0775e2a23afda0ceaf2ef7ee74e822cc5),platform=Linux 4.4.0-72-generic x86_64) (WARNING: The server did

问题 I am in charge of testing an enterprise web application that makes heavy use of AJAX. I need to build a system that allows continuous running of tests without human intervention. Currently I am mostly interested in load testing but I want the same scripts used to generate load to be used in functional tests. Currently for loadtesting I am using the grinder. We record scripts and then process the heck out of them to handle among other things the asynchronous requests. This system works for now

问题 As it is still not clear for me how to download files using --headless mode in ChromeDriver - selenium [Java], add here please the example of how to do so, I try to do it like that (the file downloading works properly without --headless option): ChromeOptions lChromeOptions = new ChromeOptions(); HashMap<String, Object> lChromePrefs = new HashMap<String, Object>(); lChromePrefs.put("profile.default_content_settings.popups", 0); lChromePrefs.put("download.default_directory", _PATH_TO_DOWNLOAD

问题 I am downloading HTML pages that have data defined in them in the following way: ... <script type= "text/javascript"> window.blog.data = {"activity":{"type":"read"}}; </script> ... I would like to extract the JSON object defined in 'window.blog.data'. Is there a simpler way than parsing it manually? (I am looking into Beautiful Soap but can't seem to find a method that will return the exact object without parsing) Thanks Edit: Would it be possible and more correct to do this with a python

问题 There is a site I am trying to scrape, that first loads an html/js modifies the form input fields using js and then POSTs. How can I get the final html output of the POSTed page? I tried to do this with phantomjs, but it seems to only have an option to render image files. Googling around suggests it should be possible , but I can't figure out how. My attempt: var page = require('webpage').create(); var fs = require('fs'); page.open('https://www.somesite.com/page.aspx', function () { page

问题 I am using selenium to run chrome headless with the following command: system "LC_ALL=C google-chrome --headless --enable-logging --hide-scrollbars --remote-debugging-port=#{debug_port} --remote-debugging-address=0.0.0.0 --disable-gpu --no-sandbox --ignore-certificate-errors &" However it appears that chrome headless is consuming too much memory and cpu,anyone know how we can limit CPU/Memory usage of chrome headless? Or if there is some workaround. Thanks in advance. 回答1: There had been a