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What’s Next for Test-Driven Software Development?

Test-driven development is already a popular choice for many development teams across the globe. But, what happens next?

Robert Butler

By Robert Butler

Senior Engagement Manager Robert Butler helps foster positive relationships between BairesDev and clients while working with teams across the company.

10 min read

Test-driven development (TDD) has already made its mark on the world of software design and development as it can help not only streamline certain processes but also produce better products. Still, there are many who still prefer old methods of testing software and programs over using TDD. 

Even though test-driven development has its critics, the positive effects that it can have on software design allow it to keep growing and gaining more space in the field of development. That’s why it’s important to keep an eye on its evolution and its adaptation process to the new development context.

Test-Driven Software Uses in Software Design and Development

Automation of Development Process 

One of the reasons why test-driven development is starting to really get picked up by developers is the integration that it allows between designing, developing, and testing new software. TDD offers developers the option to create an array of different tests automatically used when necessary during the development of new software.

This differs from traditional software testing methods, where tests often became obsolete after a time and could only test one specific program. The automation in testing processes will eventually allow engineers more space to focus on the creation of new software as the development of new tests will have become obsolete.

Better Code 

One of the elements of TDD that will continue growing in the future is the fact that it can create cleaner and better code. Essentially, when you run a test with TDD, it erases everything within that sealed environment and then recreates it.

As such, that recreation is usually cleaner as it lacks some of the human elements that the previous environment had. This, in part, is also because the testing process is continuous. When it encounters deviations to the code, they are automatically removed so that the code may become cleaner and better.

Streamlined Code 

As touched upon above, TDD helps code become void of any deviations, but it can also divide it into sections during this process. By creating smaller sections of code in production, software development teams can ensure that each part is only responsible for a single function. If that part were to fail, the program would continue to run without the entirety of the software coming to a complete crippling stop. 

This deviates from previous practices when big code portions were the norm. This meant that when one portion stopped properly functioning the entire system collapsed. In a way, this means that TDD could also enhance both the security and reliability of the designed software in the future.

Software Developers’ Abilities and Information 

Developers using TDD in their software design get to benefit from something that other designers wouldn’t. Because TDD testing becomes constant, a more in-depth understanding of each section and layer of coding by developers occurs.

This means that they will also be more aware of each aspect of their system and could potentially be better able to troubleshoot issues that may arise. In part, this is due to the fact that they will know in exactly which part the system will need to access to correct the new problems.

Improved Testing and Final Product 

It’s only natural that the TDD process allows for not only continuous testing but also more carefully targeted testing that can create products that run better from the start. An integral part of the TDD process is the creation of testing requirements that don’t simply aim to generically improve the code and system, but that can test the system based on user requirements.

User requirements are the key to any efficient TDD process. Since the program is already tested based on those requirements, the release of the final product will be much more likely to generate a positive response from clients or users.


Perhaps one of the most future-led aspects of the TDD process is that it will allow developers to continue testing the code even when the system is in full operation. More importantly, the testing process has no effect on the user experience.

This means that any small issues that need fixing or parts of the code that need altering can take place without needing to take the system down for hours so as to run effective tests. As user demands grow and downtime from platforms or services leads to dissatisfaction, the ability to be in constant control of the operations is one that many developers and companies will benefit from.


TDD brings a unique element of cooperation for developers. Because testing occurs via predetermined tests designed by developers, those tests are sharable and may find use on different software also in development with the same team. The automation element means that different team members could take over when needed so as to ensure that the program continues operating.

The Future Depends on Test-Driven Development Redefinition 

According to some developers, the future of test-driven development starts with the redefining of TDD. Although it’s currently only considered to be a testing methodology, the implications of this methodology on program design should prove that it’s not just about testing.

Currently, TDD can help improve code by stopping any chance of it not functioning—it’s not yet capable of actually generating better quality code. In the future, this could be the next step that test-driven development takes to keep on top of modern-day development practices and needs. 

Test-driven development has already brought many positive aspects to development practices. This includes aspects ranging from the automation of the testing process allowing for more cooperation to less downtime for fixing coding issues.

Yet, if the technology doesn’t continue to grow towards being not just a process that stops software from not operating properly but instead a process that allows for the creation of better codes and products, then its future may remain short-lived. 

When companies choose custom development for the software that they will use, they’ll get the option to choose the security protocol that they’d like. Having that built-in level of security will mean that even if something touches the external components or integrated programs that are in use, their own software and the data used will remain safe. Built-in security is vital for ensuring the elimination of as many security threats as possible, and TDD offers companies such reassurances

Robert Butler

By Robert Butler

Senior Engagement Manager Robert Butler fosters positive relationships with new and existing clients of BairesDev. Robert helps clients schedule their projects effectively, implements services, and helps prepare performance reports while working with teams across the company.

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