Why Reliability Testing Is Important In The Software Testing Process?

By 15th June 2020 June 26th, 2020 Testing

In this article, we will provide a brief overview to give you a better understanding of why reliability testing is important in the software testing process.

When developing software, it is essential to make sure that it is as reliable as possible for as long as possible before releasing it to the client.

Using various methods, you can determine the reliability of the software. This is a crucial part of the overall software development life cycle (SDLC).

What Is Reliability Testing? 

Reliability testing seeks to establish the reliability of the functions of your software. To do this, you need to perform reliability tests in a certain environment for a given period. This is an integral part of the software testing process.

You need to set up certain constraints to establish the average time between software failures. You also need to note the average time it takes to repair these failures. To do this, there is a specific formula. It provides a numerical perspective on where the faults in the software lie.

With this kind of testing, developers can get an overview of the structure of the software. Then they can figure out where things go wrong. It is important to keep checking reliability when introducing new features in the software.

In other words, you can apply reliability testing throughout the software development process. However, you can prioritize it depending on budget and time constraints. This also depends on the particular type of software you’re developing.

To provide some more detailed insight into what this looks like in practice, below we discuss the three main types of reliability testing. These are Feature Tests, Load Tests, and Regression Tests.

Types Of Reliability Tests 

Developers can use these three main types of reliability testing to test certain aspects of the software. This makes sense given the fact that software can be very complex. As such, teams will need to focus on a certain area to understand where any issues lie.

1. Feature Testing

As the client-facing part of the software, this is very important to test. Software failure can lead to not only bad user experience but also problems that could negatively affect a business.

As the name suggests, feature testing tests all of the features of a software product. This is the first step in the reliability testing process.

First, you will test all features once. Then, reduce the interaction between features so that testing teams can check the execution of each feature once again. This ensures that the features work as they should each time.

2. Load Testing

All software features must work correctly. But, it is equally as important to make sure that these features can operate at scale. Especially when developing an enterprise product.

After feature testing, you can then perform load tests. This is to test all features under the maximum workload to see how they function.

Once complete, testing teams can get a good idea of how the software performs under pressure.

3. Regression Testing

Since software development is an ongoing process, developers use regression testing to test the software for bugs. Then they fix any bugs and perform the tests again to ensure no new issues occur.

Why Is It Important In The Software Testing Process?

There are many different kinds of software testing. These all work together to make sure that all aspects of the product function correctly by testing them frequently and regularly.

Following on from the points above, and as part of a comprehensive approach ensuring optimal software performance, reliability testing is important in the software testing process for the following reasons:

1. It ensures that the software functions the way it should

For practical purposes, it is important to make sure that all kinds of software work as they should. Regardless of what they might be used for. Otherwise, the applications will not serve a useful purpose.

For example, the software used for maintaining essential public or other important services needs to be reliable. This is because a failure could have large-scale negative effects.

As we rely more on software for business support, making sure that software is reliable and isn’t going to crash unexpectedly becomes even more vital.

2. Improves the software’s performance

While software can operate at an adequate level and still be effective, reliability testing can help improve its performance. Before releasing software or presenting it to a client, it is critical to make sure that the software performs its best.

This is to ensure the ideal user experience. It also helps to streamline the interaction between this kind of software and auxiliary forms of software support, such as servers and other integrated applications.

Unfortunately, one small error can have ripple effects throughout the structure of the software. So, it is important to do reliability testing on an ongoing basis.

3. Helps to fix bugs and issues

Bugs are a common occurrence in software development. It is important to make sure as many of these are eradicated before delivering the software. Although, some minor ones might be inevitable over the software’s lifetime.

Of course, you might not pick up some issues as easily as others – especially when building large scale software. It is important to dedicate an entire form of testing just to make sure that the software is as reliable as possible.

While it might be a challenge to go through all software features individually, reliability testing also gives a practical and algebraic formula for picking up errors. This can save a lot of time and money in the long run.

Conclusion 

As software becomes increasingly important in maintaining businesses and essential services, it is easy to see why reliability testing is an important part of overall software development.

Reliability testing helps to ensure that you deliver a quality end-product. It helps you to identify and fix bugs, improve performance, and test features. By performing reliability testing, you can ensure that your software functions exactly how it should.

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