Locator is a command that tells Selenium IDE which GUI elements ( say Text Box, Buttons, Check Boxes, etc) it needs to operate on. The tester can test the broken links, the existence of some object on the UI, Ajax functionality, alerts, window, list options, and a lot more using Selenese.Īction: Commands which interact directly with the applicationĪccessors: Allow the user to store certain values to a user-defined variableĪssertions: Verifies the current state of the application with an expected state Selenese is the set of Selenium commands which are used to test your web application. The server acts as a client configured HTTP proxy and "tricks" the browser into believing that Selenium Core and the web application being tested come from the same origin. Selenium RC was introduced to address this. However, it cannot access pages from other domains like This test application can access all Google domain pages like /login, /mail, etc. The same Origin Policy prevents a malicious script on one page to access sensitive data on another webpage.Ĭonsider a JavaScript program used by. The origin refers to a combination of the URL scheme, hostname, and port number. According to this policy, a web browser allows scripts from one webpage to access the contents of another webpage provided both the pages have the same origin. Same Origin policy is a feature adopted for security purposes. What is the same-origin policy and how is it handled? The new version came along with several bug fixes and increased stability.Ħ. It is inherently backward compatible and does not involve Selenium RC. Selenium 3.0 is the extended version of Selenium 2.0. Selenium RC got deprecated since the merge, however, was used for backward compatibility It represents the merger of the original Selenium project with the WebDriver project. Selenium 2.0 is a tool that makes the development of automated tests for web applications easier. What is the difference between Selenium 2.0 and Selenium 3.0? Compare the test outcome with the actual outcomeĥ.Prioritization of test cases: The selected test cases are prioritized based on business impact and critical functionalities.įunctional testing - Functional Testing involves the verification of every function of the application with the required specification.In this step, some of the tests are selected. Regression test selection: Tests are classified as feature tests, integration tests, and the end to end tests.It proves to be very expensive and time-consuming. Re-testing: All tests in the existing test suite are executed.Regression testing - It is a full or partial selection of already executed test cases that are re-executed to ensure existing functionalities work fine. Selenium supports Regression testing and Functional testing. What are the testing types supported by Selenium? May require the knowledge of programming languages: Selenium WebDriver expects the user to have some basic knowledge about programming.Ĥ.No built-in reporting and test management facility: Selenium has to be integrated with tools like TestNG, or JUnit among others to facilitate test reporting and management.Tests web applications only: Selenium needs to be integrated with third-party tools like Appium and TestNG to test desktop and mobile applications.Unavailability of reliable tech support: Since Selenium is an open-source tool, it does not have dedicated tech support to resolve the user queries.What are the limitations of Selenium testing? It is exceptionally flexible and is integrated with other suite components for simultaneous execution. It allows the parallel execution of tests on different browsers and different operating systems. The grid was designed to distribute commands to different machines simultaneously. Unlike RC, WebDriver does not require an additional server and interacts natively with the browser applications. It makes provision to act on web elements. WebDriver is a programming interface that helps create and run test cases. The commands from the test script are accepted by this server and are sent to the browser as Selenium core JavaScript commands. RC is a server that allows users to write application tests in various programming languages. It records the user actions on the web browser and exports them as a reusable script. It is a Firefox/Chrome plug-in that was developed to speed up the creation of automation scripts. Selenium can be combined with some tools, such as TESTNG in Selenium and JUNIT, for managing test cases and generating reports. The tests can be done in any operating system like Mac, Linux and Windows. Licensing is not required, and it has more benefits than other testing tools. Selenium is an open-source tool used as a free automation testing suite of tools. Beginner Level Selenium Interview Questions 1.
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