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Does all software need to be tested?

We know that the world is currently undergoing a technological transformation. This has led many companies to use new technological tools to complement and optimize their processes, triggering exponential growth in software development worldwide.

Among the positive outcomes of these changes is significant progress in process optimization and improvement. This has also led to a high level of competitiveness in various industries, driving companies to be more demanding in their implementations and strive for the highest quality in their software development.

This is where software testing plays a crucial role in this new landscape.

What is the purpose of software testing?

Software testing is performed to verify the quality of software development. Its objectives are to find defects or bugs, increase confidence in the quality level, provide information for decision-making, and prevent defects from appearing in the developed software.

Its purpose, as previously mentioned, is to achieve the highest quality in development and prevent future problems, ensuring that the final product meets all the objectives set at the beginning of the project.

Why should software be tested?

Software testing is how companies can guarantee the correct functioning of their technology developments. It’s how they verify that all the effort invested is well-constructed, that its operation is optimal, and that it won’t have any problems when it’s deployed to perform the task for which it was built.

In some companies, the quality standards for their software products are very high because a malfunction in a development can result in significant losses. In others, it’s necessary to verify that the development fully meets the purpose described in the initial project request. Likewise, there are different reasons why software must be tested, and consequently, there are different types of tests, each focused on verifying different objectives.

There are different types of tests…

Among the types of tests to which software can be subjected, two categories are known:

Functional Tests

Software testing is based on the execution, review, and feedback of the functionalities previously designed for the software (functional requirements).

Within these, we can find:

Unit testing
Component testing
Integration testing
System testing
Smoke testing
Alpha testing
Beta testing
Acceptance testing
Regression testing

Non-Functional Testing

This type of testing aims to verify a requirement that specifies criteria used to evaluate a system’s operation (non-functional requirements), such as availability, accessibility, usability, maintainability, security, and performance.

This category of testing can be further classified as follows:

Security testing
Stress testing
Usability testing
Performance testing
Internationalization and localization testing
Scalability testing
Maintainability testing
Instability testing
Portability testing

Knowing all this, it becomes clear that in every software development project, when the goal is to ensure the functionality, execution, capabilities, and other qualities of the development, it is necessary to subject it to evaluation. Ultimately, the current level of global competitiveness demands that every development project function optimally.

Therefore, the best option is to test your development when you explicitly need your software to be error-free upon execution.

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