Four Software Testing Approaches Used to Ensure Product Quality

3 min read

Abstract: This article continues our series about the role of testing in software development and software testing approaches. It elucidates the automated approaches, load testing, and documentation testing. 

Testing plays a crucial role in creating outstanding digital products. The lack of proper testing can nullify the tremendous effort invested in planning, developing, and releasing a digital product. Such failures have become well-known: it’s enough to recall false missile alerts or cancellation of flights due to computer system glitches. This review will provide experience-proven tips on digital product quality testing. 

Documentation testing: where quality begins

Some may roll their eyes regarding documentation testing. It may seem like an auxiliary stage. However, it is one of the handy software testing approaches to identify and fix errors before your code goes live. 

It is another instance where we go through requirements and standards, shaping and defining them. These standards will be further followed throughout the product’s lifecycle. This is when your eye quickly spots inconsistencies, contradictions, and misunderstandings.

The documentation testing verifies that all product-related documents match how the product works. We ensure that artifacts, improvements, and changes are appropriately documented during this process.

Here is the comment of our technical lead, Alex, who has been working on delivery improvement for our client during the company’s transformation:

      Once you’ve started creating the documentation, you should reserve the room for documentation and put specific triggers in the delivery process: who, when, and under which conditions must be updated. Otherwise, it would be a failure. If you use a random approach to the documentation, it can generate volumes of irrelevant papers.

     The sad thing is that you won’t be able to wrap your head around which papers are up to date and which are not. So, in a while, you’ll intuitively follow a pattern: if some article hasn’t been updated for a year, you’d better not rely on it.

    We spent a lot of time with our client to implement this framework for the documentation culture. Its main principle is to stuff up the explanatory and documentation resources for any new function in place. It means showing your team which buttons this new function pushes.

     The products and technical team must see the elements that come into motion with the new function. And the documentation is a sure way to describe this. Next, you need to specify who is responsible for this new function and who implements it. Put it on paper. Then make sure to include this description in the Product Requirements Document, and as the last step, the technician documentation.”

To summarize, ensure documentation testing is reliably listed among your regular software testing approaches.

Documentation testing as one of the software testing approaches

The types of reviewed documentation can be different, varying from user documentation to internal instructions. Internal instructions include all papers describing procedures and product requirements. We recommend starting with the top software process you have on your project.

When reading through papers, you remove all mismatches between the description of a function and its actual performance. Go through test cases, plans, and requirements.

Examples entail commands, interfaces, and their components. Look at them and spot errors, inconsistencies, and ambiguities.

Software Testing Approaches Thus, we can see that careful documentation testing is your way to eliminate incomplete or erroneous technical descriptions and keep them up to date. 

Load testing

Load testing is one of the critical software testing approaches. It helps to create stable and scalable applications. This type of testing plays a crucial role in preventing application failures and ensuring their successful operation even during increased user activity.

Think of it as an investment in the stability and successful scalability of the application. Regular testing ensures the development of a product that meets current requirements and is prepared for future growth and changes.

By the way, here you can find a detailed description of the load testing implemented for our client. However, reviewing the main pros of load testing is always a good idea.

In a nutshell, load testing clearly defines the bottlenecks in your product.

What insights can you gain from the results of a load test? You’ll discover:

– The capacity of your software to handle simultaneous user access.

– How many additional users can it accommodate?

– Your software’s response to peak loads.

– If your infrastructure is enough to support your software.

The use of intelligent automation in testing 

Automated testing has become a cornerstone in ensuring software quality. It is another valuable tool among software testing approaches. The principles of the testing pyramid drive the efficiency of automated testing, did you know? A further explanation reveals more.

At the bottom, the testing pyramid has unit tests.  API and UI tests are on the next level of this hierarchy. 

Software testing approaches 3

The modern view of this pyramid is that it provides just a core basis of the testing scheme. It is adjustable, but the main principle remains a “simple-to-complex” basis. With the higher level, there are fewer tests. You can write many manual brief unit tests, add a few more general tests, and some high-level tests that check the app from start to finish. 

We believe that automated tests do not rule out manual testing. The intelligent combination of both software testing approaches is your path to maintaining stable, efficient, and intuitively understandable applications that meet user expectations. Don’t look down on manual testing too much, remembering about the pesticide effect.

The repetitive execution of the same set of tests leads to the omission of deficiencies in the system. Automated tests often work with uniform data and scenarios, potentially missing the diversity of potential issues.

Automated tests are saving you from thoughtless following click protocols. If you had to do massive refactoring without proper tests, you already know what’s coming. It means you would have to look through all test cases and clock every single test case. 

Final thoughts

In our review above, we discussed the intricacies of documentation testing, manual & automated testing approaches, and load testing.

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