What is the difference between ChromeOptions and DesiredCapabilities?

ChromeOptions class has introduced in the latest/updated version of Selenium. It is helpful to make changes in the Chrome browser whereas, DesiredCapabilities is an old concept (its usage in Java is deprecated.) to configure or make changes in the browser.

How do you set ChromeOptions?

You can create an instance of ChromeOptions, which has convenient methods for setting ChromeDriver-specific capabilities. You can then pass the ChromeOptions object into the ChromeDriver constructor: ChromeOptions options = new ChromeOptions(); options.

How do I run Selenium in incognito?

Run chrome browser in inconginto Mode in Selenium
  1. Right click on the shortcut of Google Chrome and select “Properties”.
  2. On “Shortcut” tab on the “Target” field add an –incognito to the end of program path. So in the “Target” field you should have “C:\Program Files (x86)\Google\Chrome\Application\chrome.exe” –incognito.

What is headless mode in Selenium?

Headless testing is simply running your Selenium tests using a headless browser. It operates as your typical browser would, but without a user interface, making it excellent for automated testing.

What is the purpose of the ChromeOptions class?

The Chromeoptions Class is a concept in Selenium WebDriver for manipulating various properties of the Chrome driver. The Chrome options class is generally used in conjunction with Desired Capabilities for customizing Chrome driver sessions.

What is a ChromeDriver?

WebDriver is an open source tool for automated testing of webapps across many browsers. It provides capabilities for navigating to web pages, user input, JavaScript execution, and more. ChromeDriver is a standalone server that implements the W3C WebDriver standard.

Can we capture screenshot in headless mode?

To capture screenshot in the headless mode approach would be similar that we normally use to capture a screenshot. We can use Third party Utility like aShot or Shutterbug that we have already discussed in other blogs.

What is the use of HTMLUnitDriver in Selenium?

HtmlUnitDriver is headless driver providing non-GUI implementation of Selenium WebDriver. It is based on HtmlUnit, fastest and light-weight browser implemented in Java.

Which driver is faster in Selenium?

HTMLUnitDriver. HTML UnitDriver is the most light weight and fastest implementation headless browser for of WebDriver. It is based on HtmlUnit. It is known as Headless Browser Driver.

Are headless browsers faster?

PRO: Headless Browsers are Faster than Real Browsers

But you will typically see a 2x to 15x faster performance when using a headless browser.

Why do we use headless browser?

The main use cases for headless browsers are: Test automation in modern web applications (web testing) Taking screenshots of web pages. Running automated tests for JavaScript libraries.

Why is Selenium so slow?

Generally, Selenium WebDriver scripts are very slow because they run through the browser. There are multiple ways that help to increase their speed.

What is SlimerJS?

SlimerJS is a scriptable browser. It allows you to manipulate a web page with an external Javascript script: opening a webpage, clicking on links, modifying the content… It is useful to do functional tests, page automation, network monitoring, screen capture etc.

What is Selenium Grid?

What is Selenium Grid? Selenium Grid is a smart proxy server that makes it easy to run tests in parallel on multiple machines. This is done by routing commands to remote web browser instances, where one server acts as the hub. This hub routes test commands that are in JSON format to multiple registered Grid nodes.

How can I make Selenium run faster?

How can you execute your Selenium test cases faster?
  1. Open URL under test utilizing Selenium Webdriver (local/remote)
  2. Making use of relevant web locators, locate the web elements.
  3. Perform assertions on located web elements on the page under test.
  4. Relieve the resources used by WebDriver.

When should Selenium be used?

Why is Selenium Used? Selenium is basically used to automate the testing across various web browsers. It supports various browsers like Chrome, Mozilla, Firefox, Safari, and IE, and you can very easily automate browser testing across these browsers using Selenium WebDriver.

Why ID is faster than XPath?

This is because : ID is considered as unique key so there cannot be more than 1 elements for same ID while Xpath is created using relative path/position of elements, so there can be cases when we can get 2 or more elements for same Xpath.

Which XPath is best?

Relative Xpaths are always preferred as they are not the complete paths from the root element. (//html//body). Because in future, if any webelement is added/removed, then the absolute Xpath changes. So Always use Relative Xpaths in your Automation.

What is DOM in Selenium?

DOM stands for Document Object Model. In simple words, DOM specifies the structural representation of HTML elements. There are four ways through which we can identify and locate a web element using DOM.

Which locator is fastest?

IDs are the safest, fastest locator option and should always be your first choice. ID’s are supposed to be unique to each element. ID locator is faster because at its roots, it calls document.