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What is Regression Testing in Software Development

This time around, the FAQ we are going to discuss is "what is regression testing in software development" and "how it impacts the entire software development routines”.

What is regression testing in software development?

Regression testing is a process that helps ensure that the software still meets customer needs after upgrades or changes have been made. In other words, it's a way to make sure your code works as intended after new features are added.

This type of testing is called "regression" because it's designed to find bugs that may be introduced into the application as a result of upgrading or modifying it. Regression testing begins by looking at the existing code and verifying that it still works as expected. This covers all aspects of the application, including:

  • Operating system, browser, and hardware configuration
  • Environment (e.g., production vs test)
  • Configuration parameters such as database size or database name

Regression tests help you find problems with your application quickly and easily by testing whether any code changes can cause problems with existing functionality. This can be useful for companies who want to add new features but don't want those features to break existing ones (or vice versa). Apart from the concepts answering the FAQ “what is regression testing in software development”, we also need to look into other important aspects of this testing method.

>An important part of regression testing is end-to-end testing.

End-to-end tests are similar to unit tests and functional tests, but instead of focusing on one component or function, they test the whole system from start to finish. This can be done by simulating real user interactions with your site or app by using automated tools like Selenium WebDriver or PhantomJS.

End-to-end tests are typically performed after each iteration of development work has been completed but before any new features are added to the codebase so that it's clear what needs changing if something breaks during testing later on down the road.

> You must include all the necessary components of the application to test, including user input and system calls.

To test a software application, you must include all the necessary components of the application to test. This means that you must consider user input and system calls in your regression tests.

User input is any data that users enter into an application while they're using it. In other words, when a user enters their name on a form or chooses an item from a menu, this is considered "user input." 

System calls are functions that interact with operating systems or other applications (e.g., disk accesses). These are usually visible to users as well; for example, clicking on a button within an application may trigger an operation such as opening up another window within that same application window itself.

Regression testing can help save time and effort.

Regression testing is important to ensure that the software still meets customer needs after upgrades or changes have been made. It allows you to catch bugs before they become problems, which reduces the cost of fixing them later on, as well as making sure your code is secure against future attacks by hackers.

Tool to Carry out Regression Testing:

Server Performance Testing by WeTest can help with regression testing by identifying performance issues before and after changes are made to an application.  To use it, follow the steps:

  1. Define the scope of regression testing
  2. Create performance testing scenarios
  3. Run performance tests before and after changes
  4. Analyze performance metrics, and address any identified issues

By using Server Performance Testing for regression testing, you can catch performance regressions early in development and ensure that your application continues to perform as expected.

Conclusion

Here it is. Before concluding the post on the FAQ "what is regression testing in software development" it can be stated that regression testing is crucial to ameliorate the overall quality of the product and stoner experience. The right regression testing tools can significantly identify all surfaced blights.

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