Automated Regression Testing Best Practices in 2022

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What is Automated Regression Testing?

Automated regression testing is the process of testing a software application to ensure that it has not regressed i.e. that its newly developed features are working as expected, and that its previously developed and tested features are still working as expected.

The purpose of automated regression testing is to ensure that the existing functionality still works as intended after new code is added to it, as well as to ensure that any new code added does indeed work as intended.

Automated regression testing is usually done by executing a test script, or set of scripts, which execute each of your application’s functionalities, in order to verify that they are still working properly.

Unlike manual regression testing, automated regression testing can be done without human intervention once the test scripts have been written and executed.

It also tends to be more accurate than manual regression testing and can make use of test data that would be impractical for manual testing (for example, when performing load or stress tests).

The primary drawback of automated regression testing is that it requires a great deal of time and effort up-front in order to write the test scripts used to perform the automated tests.

However, once those scripts have been written (and assuming they are sufficiently comprehensive) the overall time spent on regression testing can be greatly reduced compared.

Read More: 6 Types of Software Development Models

Approaches for Regression Testing:

Regression testing is an essential part of every software development cycle. It ensures that the functionality of an application is working properly and free from bugs as expected.

Regression testing is also used to ensure that applications work well with new code updates and additions.

It is important to test every single feature of an application and check if the basic functionality of the application is working as designed.

Here are some approaches for regression testing:

Complete Regression Testing:

Complete regression testing means retesting the complete software application after changes have been made to it. The aim of this approach is not only to test the new features but also to make sure that no existing features have broken.

The main advantage of this approach is that it ensures all modules are thoroughly tested and there are no issues with previously released features. However, complete regression testing requires a lot of time and costs more money than other approaches.

Choosing this approach means stopping production work until the tester has finished testing all of the application’s features. Not ideal!

Incremental Regression Testing:

This type of regression testing involves retesting specific areas or modules that have been changed or added in a news release or iteration. The aim here is to make sure that there are no bugs in recently added modules or functionalities.

How To Do Regression Testing Effectively?

Regression testing is a black hole that sucks up a lot of time and money. There are some tricks to doing it more effectively, though. Here are nine tips to help you.

1. Automate It

2. Test Early and Often

3. Prioritize Your Tests

4. Use Risk-Based Testing

5. Build a Good Test Suite

6. Don’t Skip the Usability Testing

7. Limit the Scope of Regression Testing

8. Diversify Your Test Data

9. Use AI for Regression Testing

Regression Test Automation Framework:

A framework is a set of guidelines/rules that one can use to organize the code. The purpose of the automation testing framework is to increase efficiency, reduce cost and improve the quality of the product. The automation testing framework reduces the manual effort and increases the speed & coverage of the test cases.

There are different types of automation testing frameworks such as Data-Driven Testing Framework, Keyword Driven Testing Framework, Hybrid Testing Framework, Library Architecture Testing Framework, and Behavior-Driven Development Framework (BDD).

Choosing Test Cases To Add To Regression Testing:

Regression testing is an issue for testers for a variety of reasons such as budget and time limitations, the increasing the number of regression test cases with each addition of the latest feature, decreasing testing cases, maximizing test coverage, as well as the determination of the number of tests that are conducted. Finding the right test cases to use to test regression is an arduous task.

Here are a few of the most effective suggestions in selecting test cases for regression testing:

Include all the test cases which verify the core features/functionalities of the software product. The Traceability matrix is a way to make sure that all specifications are tested thoroughly.

Include test cases that are more likely to be affected by mistakes even with a minor modification to the code. Test cases like these are tracked through the entire development process and included within the test suite for regression.

Test cases should be included to test the functionality that has recently undergone adjustments.

The complex test cases must be part of the test set for regression.

Include all integration tests in the regression test suite because final minute fixes may cause serious issues like breakage of the integrity between modules, not passing of messages and loss of data over the interface.

The test cases are categorized as Test cases that can be reused and obsolete to help save money and time.

The Application of Regression Testing:

It is crucial for testers to be aware that the tiniest change that may seem insignificant to an application’s source code can cause completely distinct or insignificant errors within the functions.

To ensure that a change or modification to the code is not causing damage to the functionality of the application, testing for regression is essential. Regressions that result from the introduction of new modifications to the application can be prevented by running the test scenarios again that were originally scripted after the issue was solved in the initial test.

This article will explain the way the automated testing of regression plays an essential role in the test of software applications.

In order to ensure that the features of your application’s software aren’t being left unchecked, you could try modern automated regression tools like Testsigma.

Without any programming experience required, Testsigma not only helps you test many regression tests simultaneously both on local and cloud devices but also simplifies testing and helps you create top-quality software applications.

Conclusions:

The rise of AI and machine learning-driven automated regression tests offers a variety of innovative techniques. These include methods for adapting the information from regression tests to the aggregation of large data sets.

The result is an automated system that is able to self-heal and develop its own tests. Regression testing is among the most important aspects that software tests.

But, it’s often thought of as a subpar alternative to fixing bugs or unit testing as well as testing new features.

If you invest time into automating all of your regression testings you’ll be able to make sure that your software is never prone to any regressions. Making a comprehensive collection of regression tests can require some effort but it’ll be rewarded if executed correctly.

Check out Functionize’s automated testing platform and discover how your team can drastically accelerate the process of creating and maintaining your test suite.

bqurious
bqurioushttps://bqurious.com/
Bqurious is the automation testing solutions tool that helps developers, testers, and product managers to collaborate more efficiently and make better decisions.

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