There is no programatic way to open in the Browser Client at the background or as a Background Process. Of coarse the alternative way is to use a Headless Browser and you can find a detailed discussion in Which drivers support “no-browser”/“headless” testing?. Why not possible? Software Test Automation is an art. Your Test Framework … Read more
map, forEach, reduce, etc, does not wait for the asynchronous operation within them, before they proceed to the next element of the iterator they are iterating over. There are multiple ways of going through each item of an iterator synchronously while performing an asynchronous operation, but the easiest in this case I think would be … Read more
If the script is working perfectly fine without headless mode, probably there is issue with the window size. Along with specifying –no-sandbox option, try changing the window size passed to the webdriver chrome_options.add_argument(‘–window-size=1920,1080’) This window size worked in my case. Even if this dosen’t work you might need to add wait timers as answered before … Read more
First the solution Minimum Prerequisites: Selenium client version: Selenium v3.141.59 Chrome version: Chrome v77.0 ChromeDriver version: ChromeDriver v77.0 To download the file clicking on the element with text as Download Data within this website you can use the following solution: Code Block: from selenium import webdriver from selenium.webdriver.common.by import By from selenium.webdriver.support.ui import WebDriverWait from … Read more
When Headless Chrome was first released as GA (General Availability) by Google Team the article Getting Started with Headless Chrome mentioned that : –disable-gpu \ # Temporarily needed if running on Windows. A note was added as : Right now, you’ll also want to include the –disable-gpu flag if you’re running on Windows. As per … Read more
The values returned from evaluate function should be json serializeable. https://github.com/GoogleChrome/puppeteer/issues/303#issuecomment-322919968 the solution is to extract the href values from the elements and return it. await this.page.evaluate((sel) => { let elements = Array.from(document.querySelectorAll(sel)); let links = elements.map(element => { return element.href }) return links; }, sel);
You can run Chrome with extensions headless using Xvfb. Install Xvfb. On Fedora sudo dnf install xorg-x11-server-Xvfb xvfb-run google-chrome –remote-debugging-port=9222 –disable-gpu https://www.google.com Use chrome-remote-interface (or another Chrome Debug Protocol client) to trigger the screenshot. More complicated, but it does work. It’s what we use for headless chrome extension testing.
No, it won’t be possible to make Chrome operate initially in headless mode and then switch back to normal mode within the same session. When you configure an instance of a ChromeDriver with ChromeOptions() to span a new Chrome Browsing Context the configuration gets baked within the chromedriver executable which will persist for the lifetime … Read more
Yes, it’s a “feature”, for security. As mentioned before here is the bug discussion: https://bugs.chromium.org/p/chromium/issues/detail?id=696481 Support was added in chrome version 62.0.3196.0 or above to enable downloading. Here is a python implementation. I had to add the command to the chromedriver commands. I will try to submit a PR so it is included in the … Read more
As per your code trials on your Windows local machine non-headless Chrome works perfecto while on Linux server centos7 using headless Chrome you are redirected to the Access Denied page. <html><head>\n<title>Access Denied</title>\n</head><body>\n<h1>Access Denied</h1>\n \nYou don\’t have permission to access “http://www.newark.com/” on this server.<p>\nReference #18.456cd417.1576243477.e007b9f\n\n\n</p></body></html> Access Denied As per the article How to bypass “Access Denied” … Read more