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Selenium

Selenium is a portable open source suite of automated software testing tools licensed under Apache 2.0 that is used for testing web applications. Selenium operates across different operating systems and web browsers. It is used by software testing professionals to test web based applications before being deployed.

Selenium Tools

Selenium contains a suite of tools for automated testing of web based applications. The tools in the suite include:

Selenium IDE: The Selenium Integrated Testing Environment or Selenium IDE is a Firefox Plugin which allows testers to record all activities they undertake while following the test workflow.

Selenium RC: The Selenium Remote Control or Selenium RC is a flagship framework that allows actions beyond simple tests based on linear execution and browser actions.
The Selenium RC allows creation of complex tests using programming languages like PHP, Python, Java, etc.

Selenium WebDriver: The successor to Selenium RC, the Selenium WebDriver works by directly sending commands to the browser and receives the results.

Selenium Grid: Selenium Grid is a powerful tool that greatly reduces test execution time by running different tests in different browsers and different systems simultaneously.

Selenium Advantages

As an automated testing suite of tools, Selenium provides many advantages to the testers.

Open Source: Selenium is an open source toolset, allowing testers to create their own testing algorithms by writing the test codes in programming languages of their choice.

Extensible: Selenium supports a number of plugins and add-ons to work with Document Object Modeling.

Cross Browser: Selenium scripts can be run on all browsers that are used and is browser independent.

Cross Platform: Selenium script is also operating system independent and can be run across different operating systems.

Mobile Support: Selenium supports mobile devices without the help of other third party tools.

In-Browser Testing: Testing scripts for Selenium are run within the browser itself, allowing for less need of attention from the tester while the script is being run.

Parallel Testing: Selenium supports testing simultaneously in different systems by itself without the help of any other software.

Tutorials

  • Selenium IDE FeaturesSelenium IDE Features
    Selenium IDE, or Selenium Integrated Test Environment runs as a Firefox plugin. Select it from the Tools menu of Firefox and it opens as a new test window. Let us take a look at the various features o ...

  • Selenium IDE Script Execution in Different BrowsersSelenium IDE Script Execution in Different Browsers
    Selenium IDE is a Firefox plugin and runs in the Firefox browser. Selenium IDE can be run in other browsers using Selenium WebDriver tool. This article lists the steps you need to follow to run Seleni ...

  • Differences between Selenium and QTPDifferences between Selenium and QTP
    Selenium vs. QTPApart from Selenium, the other most commonly used automation testing software is QTP or HP QuickTest Professional. Let us compare these two automation testing softwares with each other ...

  • Download and Install Selenium IDE on Firefox browser
    Selenium IDE tool runs as a plugin or extension on the Firefox browser. Here is a step by step guide to download and install Selenium IDE on your machine and run it from the Firefox browser.Step 1: La ...