What is software testing and why it is so hard

Software testing is the process of verifying the functionality of a software program. It is a critical part of the software development process, as it helps to ensure that the software meets the requirements of the end user.

However, testing can be a very challenging and time-consuming task, as it is often difficult to identify all of the potential errors in the programs. As a result, it is important to carefully plan and execute the testing process so that the software is of high quality.

What is software testing?

Software testing is a process that assesses the functionality of a software program.

Testing must be thorough to be effective, which can be challenging and time-consuming. However, it is essential to ensure that software is error-free before it is used, as errors can cause significant problems and even crashes. By thoroughly testing software before it is released, we can avoid these costly and frustrating problems.

The software testing lifecycle identifies the steps involved in the software testing process. These steps include preparing for testing, executing test cases, analyzing results, and reporting findings.

Software Testing Stages and Phases

The software testing process implements a testing lifecycle, which identifies the steps involved in the testing process. The software testing lifecycle has four main stages:

  • Pre-release testing
  • Developing (construction) testing
  • Verification and validation testing
  • Post-release testing

In most cases, these four stages can be broken down into several sub-stages or phases.

1. Pre-release testing

The purpose of pre-release testing is to ensure that the software meets the developer’s specifications before it is made available to the public or other users. As such, this stage primarily employs black box testing techniques, which evaluate a system based on the definition of its requirements. During this stage, testers also identify and resolve bugs.

2. Development (construction) testing

During development (construction) testing, testers employ white box testing techniques, which evaluate a system based on the definition of its requirement and the code base. This stage focuses on evaluating the internal quality of the software and ensures that it meets the defined standards. Development testers also fix minor bugs found during this stage.

3. Verification and Validation

Verification and validation, commonly referred to as V&V, is the last stage in the software testing process before a product is released to the public. During this stage, testers use the white box testing technique to evaluate the internal quality of the code base and the software. Testers also evaluate experimental or proposed solutions, systems, or technologies. During V&V, testers also document test cases and result.

Final validation is followed by final validation, which is followed by release.

4. Post-release testing

Post-release testing follows the deployment of a product to the public. This stage primarily focuses on validating that fixes to bugs introduced during development or construction were successful. This stage also focuses on evaluating the stability of the software and identifying any usability issues for end users. Performance testing belongs in this stage as well, though it is mostly carried out during verification and validation. Post-release testing also involves monitoring and evaluating the software in production, which involves observing user behavior as well as detecting new issues.

Why is software testing so hard?

There are many reasons why software testing is so difficult. One reason is that there are so many different types of software, and each type has its own unique set of challenges. Another reason is that software is constantly changing, so testers have to constantly adapt their methods and approach.

Another challenge is that software is often complex, with many different layers and components. This can make it difficult to identify all the potential areas that could fail. And even when all the potential problems are identified, it can be hard to know how to create tests that will reliably find them.

There are also challenges related to the people involved in software testing. Testers need to have strong technical skills, but they also need to be able to communicate well with other team members. Developers often think their code is perfectly logical, but that’s hardly the case. There will be bugs, and there will be misunderstandings between developers and testers.

So communication is essential, but it’s often a problem. There can be a lot of friction between developers and testers, in part because developers don’t always see the need for extensive software testing. They might feel like their time would be better spent developing more code instead of testing someone else’s.

On the tester side, there may be a lot of jealousy over the developer’s freedom to modify and rewrite code, while testers are confined to using the software differently every time.

Also, there can be a lot of pressure on testers. If the software fails, it’s often in the news. People lose money and their lives are disrupted. The public sees testers as the ones who are supposed to protect against that from happening. That can create a lot of anxiety and stress that testers don’t need.

Hands-on testing to find bugs

Testing can feel like a never-ending task. Every time you finish testing one part of a product, developers add more code to the program. So the tester’s job is never finished. That can be frustrating, especially when much of the testing process seems like a repeat of what’s already been done.

There’s a saying among software testers that you’re never done until the software is done. What that means is that as long as the software is in development, testers must continue testing it. The finished product may work correctly now, but the developers will likely add new features in the future. Unless those parts of the software

But although software testing may seem like a tedious and repetitive task, it’s essential to creating a working product. There are often many different ways that a program can break. Only by testing a program repeatedly can testers find and fix all the bugs before the product is released to the public. That’s why testers need to have a clear understanding of what has and hasn’t been tested.

But despite these challenges, software testing is becoming more and more important, and more companies are realizing the need to invest in testers. According to statistics, the number of jobs for software testers is growing at a rate of 12 percent a year, making it one of the fastest-growing professions.

How to make software testing easier

Software testing is essential to the software development process, but it can be difficult to do effectively. Many factors can make software testing difficult, including the complexity of the software, the possibility of errors in the code, and the need to test all possible scenarios. However, there are also ways to make software testing easier. For example, using automation can help to reduce the amount of time needed to test the software, and using test management tools can help to keep track of the tests that need to be run.

To ensure that software testing is effective, you will need to consider several factors when figuring out how to test your software. The level of uncertainty concerning these factors will determine how much human supervision and iteration your tests will need. The more complex and/or critical the software, the more manual testing will be required.


Here are some factors to consider when testing software:

Know the functionality and purpose of your software

This seems like a fairly simple factor to keep in mind, but it’s important to test the functionality of the software you’re developing against the purpose it is intended to serve. This will help to avoid creating an application that looks great technically but doesn’t solve the problem it was designed to address.

Make a list of objectives and features to refer to when testing

Talk to the people who will use the software daily to get an idea of their goals and expectations. This will help to ensure that your software meets those goals and expectations in a useful and effective way.

Choose the right software testing techniques

There are many software testing techniques to choose from, but the following are some of the most effective:

  • Test-Driven Development (TDD)

Test-driven development is a software development process that requires developers to write a failing unit test before writing any code. When the developer writes the code that passes the test, they also write another test that could fail. The biggest benefit of test-driven development is that it ensures the code is thoroughly tested and that any new code is written in a way that ensures both stability and flexibility.

  • Behavior-Driven Development (BDD)

Similar to TDD, BDD focuses on describing the software’s behavior in a language that everyone can understand. The tests are written in a text file or an editor and read like simple English specifications. As the code changes, so do the execution of the tests.

  • Test-based sampling

This technique involves running some samples of the software’s source code through an automated test tool to obtain check data. This data is then used to estimate the quality of the rest of the code.

  • Exploratory testing

This is a form of agile software testing that involves the tester “flying blind” without any formal scripts or plans. The tester executes an automated test tool in an exploratory manner to identify bugs and other defects. Once an error is discovered, it is labeled as such and set aside until the end of the testing cycle, at which point all the bugs have been organized by category.

  • Software testing in real-time

The best way to ensure that the software is meeting its goals and expectations is to test the software daily. This will allow you to catch bugs as they arise and address them quickly.

  • Simplify your testing process

The more products you test, the slower your testing process becomes. To avoid sinking into this quagmire, you need to find ways to simplify your testing process so you can test more products in less time.

Automated testing

Software testing is essential because it allows us to find bugs in our code and ensure that our code works as intended. However, it can be difficult to do effectively, especially when we are working with complex codebases. Automated testing can help to make our testing more efficient and accurate, but it can also be difficult to set up and maintain. Ultimately, though, the benefits outweigh the challenges, and it is essential to the success of any software development project.

Software testers are constantly trying to find ways to make testing easier and more effective. Over the last few decades, software testers have developed a variety of testing approaches and techniques for finding bugs. One helpful approach is automated software testing. When implemented effectively, automated testing can help to make testing faster, more accurate, and more consistent.

Testing in the cloud

Software testing is an essential but difficult process. Here’s why: testing in the cloud can be challenging and time-consuming. In addition, cloud-based applications can be difficult to test because of their distributed nature. Finally, cloud-based applications can be difficult to test because they are often built on top of complex infrastructure.

The various challenges in software testing

Software testing is essential but difficult: Here’s why. The various challenges make it difficult to ensure that software is error-free. These challenges include the need to test for a wide range of potential errors, the need to test complex software, and the need to test software promptly. Despite these challenges, software testing is essential to the development of high quality.

The following are among the most common software testing techniques:

  • White box testing
  • Black box testing
  • Unit testing
  • Integration testing
  • System testing
  • Manual testing
  • Automated software testing
  • Code coverage
  • Functional testing
  • Performance testing
  • Sanity checking
  • Shadowing

What are the benefits of software testing?

Software testing is essential because it helps ensure that software meets its requirements and performs as expected. However, testing can be difficult because it can be time-consuming and expensive, and there is always the potential for errors.


Here are several reasons why you should be glad that software testing is so important:

1. IT safety

Software testing ensures that software performs as expected and that it doesn’t contain any bugs that could cause crashes or other problems. This prevents risks such as system outages, malware infections, and other problems that could potentially put your

2. Customer satisfaction

Software that contains errors is frustrating for customers and can result in decreased satisfaction, as well as negative online reviews that could negatively impact your brand.

3. Revenue growth

Software that works well will increase revenue, both through retaining existing customers and attracting new ones.

4. Resource optimization

Utilizing tools such as Software Testing Service provides the ability to maximize the efficiency of your software assets, which can save you money in the long run.


Testing is essential to the quality of software but it is often hard to do well. This is because testing is about finding bugs, and bugs are by definition difficult to find. The best way to find bugs is to have a good understanding of the code and the system and to think creatively about how it could fail. Good testing is a combination of art and science, and it takes time and experience to get good at it.

Genislab Technologies

NexGeneration complete end-2-end software testing & modern development operations tooling & solutions

Do you want to discuss your testing requirements with us? please don’t hesitate to hit the contact us button below, and we will get back to you at our earliest..

Share this article: