The need for Regression Testing

 

Regression testing is usually not necessary to get the attention of upper management. In fact, the regression testing might even find a rampage expensive testers - and when budgets are tight, it faced a maximum possible stroke. This is where companies need to be careful. Re-do the test on the features that have been tested are often viewed as paranoia by management. But, this is what will ensure the delivery of valuable software to users. Think of it as a check before the final release.

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regression testing to prevent the application of blow up in your face.

 

The need for Regression Testing

The complexity and sheer size of the code written for the app makes it nearly impossible to determine the impact of even minor updates or bug-fix. This is a regression testing comes into play. By analyzing the core functionality and performance, it ensures that any updates do not remove the app from the edge. It also ensures that all the interdependencies within the code worked seamlessly.

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When do Regression Testing?

To maintain an ideal balance between rapid development and testing is often required that regression testing is integrated in the beginning itself. Plays an important role in the release process, is as important as the development stage. Regression testing is usually done when

 

A bug or error is fixed

Changes effectuated requirements

The existing system is integrated with a new module or component

A newly introduced features or functionality

Challenges on the road

Apart from management's reluctance to adopt regression testing, there are numerous challenges facing the company:

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Knowledge of existing applications: Despite the popularity and wide acceptance of Agile and DevOps methodology, there are still many companies that follow the structure of Waterfall. Waterfall siled structure makes it impossible for the examiner to be aware of the changes made by the developers. Because of this, they are required to run a full regression test suite, which can be back-breaking and time consuming. In Agile and DevOps, testing is the responsibility of the entire team. As a barrier between developers and testers lifted, everyone told about even a little change. This eliminates the need to run a full test suite. Conversely, regression testing can be done only on the areas where changes have been made.

 

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Expensive: Because of the need for a faster deployment, regression testing is seen as a burdensome load step that provide little value. Delegating resources and allocate funds for such processes can be difficult to justify.

Selection of test cases: For the regression testing, time is a luxury that is not affordable. Because of this, there is no window to run large test suites. To take advantage of the most efficient time, testers need to carefully choose and decide which test cases to be run, and especially, the test cases are not running.

The products are very complex: As new updates continue to add the application code, test cases should be maintained accordingly. With the expansion of features and functions, the complexity of the code and test cases increases. In such a scenario, it is very easy to lose track.

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How to Support Regression Testing

Smart work is needed to address this challenge:

 

Small and frequent releases: Easy to perform regression testing on a smaller code than the full release. Developers should be encouraged to continue to apply part of the release will come into the test environment, so that it becomes possible to test and provide feedback simultaneously.

Automatic: Regression testing requires cognitive intelligence to identify cases where the test will be done, and which areas will be analyzed after the update. Automation can be used to eliminate the excessive part of the process. This means that should be automated regression testing for components that remain unaffected by the update. By doing that, some significant time can be saved, and testers can focus on areas that require their undivided attention. However, relying entirely automation can negatively affect the quality of the final product, against the whole purpose of regression testing.

Meeting Overview: Testers need to participate actively in the code review meeting. It does not matter if they have the knowledge of coding. Involved in the code review will keep them updated on the changes made to the code. It further allows them to focus their attention on changes during regression testing.

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