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Last updated on Tue 17 Mar 2020

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SELENIUM

HISTORY OF SELENIUM:

In 2007, Huggins joined Google. Well adjust with others like Jennifer Bevan, he continued with the development and balance of Selenium RC. At the same time, Simon Stewart at Thought Works developed a superior browser automation tool called WebDriver.

Selenium is a compact software testing framework for web applications. Selenium provides a record/playback tool for creation tests without study a test scripting language (Selenium IDE). It also provides a test domain-specific language (Selenide) to write tests in a number of famous programming languages, along with Java, C#, Groovy, Perl, PHP, Python and Ruby. The tests can then be run across most modern web browsers. Selenium deploys on Windows, Linux, and Macintosh terrace. It is open-source software, liberated under the Apache 2.0 license, and can be downloaded and used outdoors charge.

 

What is Selenium?

Selenium imbrute browsers. That's it! What you do with that power is entirely up to you. Basically, it is for automating web applications for testing  design , but is certainly not limited to just that. Dull web-based administration tasks can (and should!) also be mechanical as well.

Selenium has the guide of some of the largest browser merchants who have taken (or are taking) steps to make Selenium a native part of their browser. It is also the substance technology in endless other browser automation tools, APIs and frameworks.

SELINIUM

Which part of Selenium is useful for me?

Selenium WebDriver

If you want to

Create robust, browser-placed throwback automation suites and tests

Scale and distribute scripts across many surroundings

Then you want to use Selenium WebDriver; a number of language specific bindings to guide a browser -- the way it is determine to be driven.

Selenium WebDriver is the follower of Selenium Remote Control which has been officially rundown. The Selenium Server (used by both WebDriver and Remote Control) in a moment also includes built-in grid capabilities.

Then you want to use Selenium IDE; a Firefox add-on that will do smooth record-and-playback of Communication with the browser.

 

COMPONENTS:

Selenium IDE :

Selenium IDE is a entire integrated development environment (IDE) for Selenium tests. It is resolved as a Firefox Add-On, and grants recording, editing, and debugging tests. It was previously known as Selenium Recorder. Selenium-IDE was basically created by Shinya Kasatani and donated to the Selenium project in 2006. It is little-keep and is compatible with Selenium RC, which was deprecated.

Selenium client API :

As an different to writing tests in Selenide, tests can also be written in various programming terminology. These tests then communicate with Selenium by calling methods in the Selenium Client API. Selenium currently implements client APIs for Java, C#, Ruby and Python.

Selenium Remote Control :

Selenium Remote regulation (RC) is a server, written in Java, that accepts commands for the browser via HTTP. RC makes it available to write automated tests for a web application in any programming language, which allows for preferred integration of Selenium in existing unit test frameworks. To make writing tests easier, Selenium project currently implements client drivers for PHP, Python, Ruby, .NET, Perl and Java. The Java driver can also be worn with JavaScript (via the Rhino engine). A new detail of selenium RC server is needed to launch html test case - which means that the port allow be different for each parallel run.[citation needed] However, for Java/PHP test case only one Selenium RC detail needs to be running continuously.[citation needed]

Selenium WebDriver :

Selenium WebDriver is the replacement to Selenium RC. Selenium WebDriver obtain commands (sent in Selenese, or via a Client API) and address them to a browser. This is carryout through a browser-specific browser driver, which sends commands to a browser, and recover results. Better browser drivers actually launch and access a browser operation (such as Firefox or Internet Explorer); there is again an HtmlUnit browser driver, which simulates a browser using HtmlUnit.

Selenium Grid :

Selenium Grid is a server that grant tests to use web browser instances running on remote machines. With Selenium framework, one server acts as the hub. Tests meeting the hub to obtain access to browser instances. The hub has a list of servers that arrange access to browser instances (WebDriver nodes), and lets tests use these instances. Selenium Grid allows running tests in coordinate on multiple machines, and to manage different browser versions and browser configurations centrally (instead of in each ORIGINAL test).

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