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(The Course materials and Course Completion are directly delivered from Oracle University to those required for Foreign Opportunity)Introduction to Selenium Training
Selenium is an open-source tool that is used for test automation. It is licensed under Apache License 2.0. Selenium is a suite of tools that helps in automating only web applications. This tutorial will give you an in-depth understanding of Selenium and its related tools and their usage.
AudienceThis tutorial is designed for software testing professionals who would like to learn the basics of Selenium through practical examples. The tutorial contains enough ing redients to get you started with Selenium from where you can take yourself to higher levels of expertise.
PrerequisitesBefore proceeding with this tutorial, you should have a basic understanding of Java or any other object-oriented programming language. In addition, you should be well-versed with the fundamentals of testing concepts.
IntroductionSelenium is an open-source and a portable automated software testing tool for testing web applications. It has capabilities to operate across different browsers and operating systems. Selenium is not just a single tool but a set of tools that helps testers to automate web-based applications more efficiently.
Let us now understand each one of the tools available in the Selenium suite and their usage.
Selenium Integrated Development Environment(IDE) is a Firefox plugin that lets testers to record theiractions as they follow the workflow that they need to test.
Selenium Remote Control(RC) was the flagship testing framework that allowed more thansimple browser actions and linear execution. It makes use of thefull power of programming languages such as Java, C#, PHP, Python,Ruby and PERL to create more complex tests.
Selenium Web Driver
Selenium WebDriver is the successor to Selenium RC which sends commandsdirectly to the browser and retrieves results.
Selenium Grid is a tool used to run parallel tests across differentmachines and different browsers simultaneously which results inminimized execution time.
Advantages of Selenium
QTP and Selenium are the most used tools in the market for software automation testing. Hence it makes sense to compare the pros of Selenium over QTP.
Seleniumis an open-source tool.
QTPis a commercial tool and there is a cost involved in each one ofthe licenses.
Can be extended for various technologies that expose DOM.
Limitedadd-ons and needs add-ons for each one of the technologies.
Hascapabilities to execute scripts across different browsers.
Canrun tests in specific versions of Firefox , IE, and Chrome.
Canexecute scripts on various operating systems.
Worksonly with Windows.
Supportsmobile devices with the help of third-party tools.
Executestests within the browser, so focus is NOT required while scriptexecution is in progress.
NeedsFocus during script execution, as the tool acts on the browser(mimics User actions).
Canexecute tests in parallel with the use of Selenium Grids.
QTPcannot execute tests in parallel, however integrating QTP with QCallows testers to execute in parallel. QC is also a commercialtool.
Disadvantages of Selenium
Let us now discuss the pitfalls of Selenium over QTP.
Supportsonly web based applications.
Cantest both web and desktop applications.
Nofeature such as Object Repository/Recovery Scenario
QTPhas built-in object repositories and recovery scenarios.
NoIDE, so the script development won't be as fast as QTP.
Moreintuitive IDE; automation can be achieved faster.
Cannotaccess controls within the browser.
Canaccess controls within the browser such as favorites bar,backward, and forward buttons.
Nodefault test report generation.
Defaulttest result generation within the tool.
Forparameterization, Users has to rely on the programming language.
Parameterizationis built-in and easy to implement.
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