How “watir” tool works?

Watir  is pronounced as Water, is an open-source (BSD) family of Ruby libraries for automating web browsers. It allows you to write tests that are easy to read and maintain. It is simple and flexible.

Watir drives browsers the same way people do. It clicks links, fills in forms, presses buttons. Watir also checks results, such as whether expected text appears on the page.

Watir is a family of Ruby libraries but it supports your app no matter what technology it is developed in. Whilst Watir supports only Internet Explorer on Windows, Watir-Webdriver supports Chrome, Firefox, Internet Explorer, Opera and also running in headless mode (HTML Unit).

Like other programming languages, Ruby gives you the power to connect to databases, read data files and spreadsheets, export XML, and structure your code as reusable libraries. Unlike other programming languages, Ruby is concise and often a joy to read.

Watir will drive web applications that are served up as HTML pages in a web browser. Watir will not work with ActiveX plugin components, Java Applets, Macromedia Flash, or other plugin applications. To determine whether Watir can be used to automate a part of a web application, right click on the object and see if the View Source menu option is available. If you can view the HTML source, that object can be automated using Watir.

To use the tool, you should have a basic understanding of:

  • HTML
  • Programming: You should understand programming basics, including variables and simple control structures like “for” loops and “if” statements.
  • Ruby: You do not need to know how to program in Ruby to get started with Watir, but you should learn some Ruby if you really want to get the most out of Watir.

The detailed information about how to install and use Watir tool, check out the link http://wiki.openqa.org/display/WTR/Tutorial

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