In the case of complex applications, it is very difficult to identify all set of equivalence classes and requires a great deal of expertise from the tester’s side. Incorrectly identified equivalence classes can lead to lesser test coverage and the possibility of defect leakage. Now, we need to write test cases for the above program using the Pytest library.

The equivalence classes that are divided perform the same operation and produce same characteristics or behavior of the inputs provided. Please use ide.geeksforgeeks.org, generate link and share the link here. This class will include test data for a positive scenario.
brightness_4 For the above program, we create 7 invalid classes and 1 valid class. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, Learn from Home Offer - Software Testing Course Learn More, Software Testing Training (9 Courses, 2 Projects), 9 Online Courses | 2 Hands-on Projects | 60+ Hours | Verifiable Certificate of Completion | Lifetime Access, Cyber Security Training (12 Courses, 3 Projects), Software Development Course - All in One Bundle. Cover all test data type for positive and negative test scenarios. Since negative numbers can be treated in a different way so, we will create a different class for negative numbers in order to check the robustness of the application. While testing any kind of application, it is nearly impossible or really very time-consuming to test all the sets of input combinations. To perform automated Equivalence Class Testing, we can make use of Pytest or Unittest Python libraries. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. One of the most important technique among all other techniques used in software testing models is Equivalence Class Testing.

It also helps in reducing the time for finding and executing the test cases while maintaining the efficiency. Prerequisite – Equivalence Class Testing.

The class testing is also helpful as it can be applied to all sorts of testing approaches such as unit testing, system testing, acceptance testing and integration testing that is beneficial for combining the whole testing approach into a single technique. Experience. This testing approach is also used in some cases where exhaustive testing is difficult at that moment and also maintain the overall test coverage at the same time. With this, we have come to the end of our tutorial on equivalence class partitioning. Save my name, email, and website in this browser for the next time I comment. These equivalence classes are constructed so that elements a and b belong to the same equivalence class if, and only if, they are equivalent. b) When there is a strong need to avoid redundancy. In this article, we will use the Pytest library to execute test cases for a simple program. It helps in reducing the overall number of test cases without hampering the test coverage for the applications. So, instead of testing all the combinations of input test data, we can pick and pass any of the test data from a particular equivalence class to the application and assume that the application will behave in the same way for the other test data of that class. The testing method also enables the testing team to focus mainly on smaller sets of data that increases the probability of finding and solving more and more defects in the software products before it get delivered to the client. Here we discuss the introduction, types, why do we need equivalence class testing and importance. Writing code in comment? See your article appearing on the GeeksforGeeks main page and help other Geeks. This class will be used to test the robustness of the application with non-numeric characters. To execute write the following command : As we can see in the above output, all the 8 test cases passed. This testing technique helps in delivering a quality product within a minimal time period. The equivalence class testing, is also known as equivalence class portioning, which is used to subdivide or partition into multiple groups of test inputs that are of similar behavior. Equivalence Class testing. Also, check out our complete software testing tutorial series below.

Now, using equivalence class testing, we can create the following equivalence classes-, Let’s discuss some points or best practices regarding the identification of Equivalence classes-.