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Summary: Software testing is a critical part of the software development process. Choosing the software testing type that aligns with your project requirements and the end goal is essential. Over 50 software testing types exist. Out of these, we have shortlisted 25 of them for your project. Learn about them and how to choose the right ones.
Quality is never an accident; it is always the result of intelligent effort.–John Ruskin
Software testing is vital for the software development process. It fosters trust, saves unnecessary time and effort on resolving issues, and helps you enhance the software development standards. Hence, following a carefully laid-out approach to software testing is essential.
However, making software testing an integral part of the software development process alone is not enough to deliver high-quality software. You must also choose the right type of software testing that gets the job done.
What is software testing, why you must choose the right testing type, and what various testing types are available in the industry? Read on to find out.
IBM defines software testing as evaluating and verifying that software works how it’s supposed to. The software is tested for security, functionality, and usability. The idea is to identify and fix bugs before releasing the product to prevent costly downtimes, enhance performance, and release high-quality software in the market.
Users have high expectations when using apps and want no compromise on an app’s performance, reliability, ease of use, and security. That’s why software testing is essential and should go alongside the software development process.
Choosing a software testing type that better aligns with your project goals and requirements is even more critical. Here’s how the right software testing type can benefit your business:
Types of software testing such as Agile Testing, Non-Functional Testing, Automation Testing, and Functional Testing, and their subtypes are common in the industry. Each kind of testing has its advantages, features, and disadvantages. Let’s read about some such software testing types.
In functional testing, we validate a software against its applicable requirements/specifications. The idea is to ensure that it works as per the specified requirements. In this approach, we test each software function by providing simple inputs, capturing the outputs it processes, and comparing them with the actual outcomes.
A few examples of functional testing are:
Different types of functional testing exist. Here are a few popular ones:
Unit testing is the software testing technique involving testing an individual unit or component of the software to confirm its accuracy. Developers usually perform it during the software development phase, and they use test automation tools like NUnit, Xunit, and JUnit to execute these tests.
For example, if there is a simple messaging application. The developer will write the unit test to check if the user can send or receive messages before working on additional features. Unit testing is essential because finding and fixing bugs during the development phase is more accessible than fixing them later.
The following types of unit testing exist:
Integration testing is a software testing type in which we logically group two or more application modules and test them as a whole. The idea is to discover the defect in the communication, interface, and data flow among different modules.
For example, Product search and payment processing are two different modules in an online shopping app. Chances are they may work well individually but have some problem in the data flow. Integration testing can help you identify and fix such scenarios.
Here are different types of integration testing:
System Testing is a level of software testing that conducts the test of complete and integrated software. This test aims to evaluate the system’s compliance with the specified requirements.
Following are the types of system testing approaches that exist:
Acceptance testing or UAT (user acceptance testing) is a formal testing technique performed by the end client. In this approach, the client tests the application for real-world business scenarios. They accept the app only if it affirms their business needs and the prerequisites put forward to them.
The last phase of testing is Acceptance testing. Once approved here, the software goes into production.
Here are the different types of acceptance testing we perform:
The key focus of operational acceptance testing:
Regression testing aims to confirm that a recent program or code change has no adverse effects on existing features. It is hard to cover all the frameworks in Regression Testing, so testers utilize mechanization testing instruments for these sorts of testing.
GUI testing is a type of testing technique where the application’s Graphical User Interface is put under test. This testing involves checking the screens with controls like menus, buttons, icons, and all types of bars—toolbar, menu bar, dialog boxes, windows, etc.
As the name indicates, non-function testing focuses on the non-functional aspects of a software application, such as performance, usability, and reliability. The end goal is to test whether the software is ready as per the non-functional parameters (which are not addressed by functional testing) or not.
A prominent example of no-function testing can be checking how many people can log in to an app simultaneously or how much traffic an eCommerce website can handle at a time.
Here are different types of non-functional testing:
In security testing, various tests are performed to ensure that your application/website is secure from all internal and external cyber threats. It also tests how your software behaves when any such attack happens.
A popular type of security testing is penetration testing, in which a group of ethical hackers tries to breach the system to identify its weak points.
In performance testing, we test the stability and response time of a website/app by applying load. This testing is done using tools like JMeter, LoadRunner, Loader.IO, etc.
Here are a few types of performance testing:
In usability testing, we test an app from users’ perspectives to check whether it is user-friendly or not. Here are different types of usability testing:
Compatibility testing checks how an application runs and behaves in web servers, hardware, and network environments. The idea is to ensure that your application keeps working regardless of the database, browser, and configurations.
Browser compatibility testing is a popular compatibility testing approach in which we test whether software runs with combinations of different browsers and operating systems or not.
In failover testing, we validate whether an app can allocate extra resources or backup the information if it fails abruptly. The goal is to ensure the application can handle critical failures and scale up or down as per the requirements.
In maintainability testing, we test a system’s ability to update and modify the application. It is essential because the application will undergo various software life cycle changes. Also, it will need maintenance once it is life in which it has to go through several changes.
Following are the four categories in which the maintainability testing will deal:
Compliance testing is a non-functional software testing technique in which we validate whether the application complies with the industry standards or not. It includes validating access rights, documentation procedures, and program change control procedures.
In efficiency testing, we validate how many resources an application needs to perform a specific function. This term shows how much effort develops the application and ensures user satisfaction.
In reliability testing, we check whether software can operate without failure for a specific period in a particular environment. The end goal is to ensure the software is free of bugs and reliable enough to fulfill its purpose.
Disaster recovery testing is a process to ensure that an organization can restore data and applications and resume operations after an interruption of its services, such as a critical IT failure or complete disruption.
In localization testing, we verify the software behavior and accuracy for specific locations. The idea is to ensure the software works according to the needs of that region.
Testing an application of user interface, date & time format, and language vocabulary is an example of localization testing.
Internationalization testing is a process in which we ensure the adaptability of an application to different cultures and languages worldwide so that they can handle international support without any modifications to the source code. The critical objective of internationalization testing is to make the application usable to the global audience.
Ad-hoc testing is a software testing approach that is exceptionally casual and unstructured. Any tester with no reference to any experiment or test configuration records can perform this test. Ad-hoc testing intends to discover defects that were not found by existing tests.
It is a programming test that aims to check if the software’s fresher variant can work effectively over the previous version. And also to look into factors if the more up-to-date form of the software works fine with table structure, data structures, and records made by the past version of the product.
This testing technique follows a concept called “error aggregates at boundaries.” It is one of the most extensive tests run on a software to check for defects at boundary conditions. The testing is done for values 101, 100, 99, 2, 1, and 0 for the accepted values of 1 to 100.
API testing is a type of software testing that is like unit testing. Every Software API is tried according to API determination. The testing group performs API testing if APIs are not complex and do not necessitate broad coding.
Negative testing is a way of testing software in such a way that the application works according to the user requirements and can handle unwanted input and user behavior. The intake of erroneous or invalid information initiates this test.
Mutation Testing is a sort of white box testing in which a tester changes one of the program’s source codes. It checks whether the current experiments can identify the deformities in the framework or not. The program source code adjustment is extremely negligible with the goal that it mustn’t affect the whole application, just the particular zone that is witnessing the effect.
The multi-tenancy testing aims to discover and fix loopholes in the multi-tenant systems. The primary reason behind this testing approach is that in multi-tenant systems, there are higher risks of breaking the system if you incorporate changes to the code of the software program. Multi-tenancy testing ensures nothing of that sort happens.
In multi-tenancy testing, we test an application from three aspects: application, infrastructure, and network. To identify and fix loopholes in multi-tenant applications, we conduct the following types of tests:
All the software testing types are essential; however, their importance varies from industry to industry. For example, industries like healthcare and finance significantly emphasize security. On the other hand, the eCommerce and media streaming industries focus on performance.
Choosing a software testing type that doesn’t align with your business goals will only waste time and effort. At Net Solution, we put a significant emphasis on software testing. With dedicated QA experts, we ensure you choose a software testing plan that perfectly syncs with your project. Hence, we can help you choose the right software testing type.
We can classify software testing data into the following four types:
Following are the five levels of software testing:
Manual testing is the software testing process where we manually execute the test cases without tools or automation scripting.A test plan document prepared early on acts as a guide to the testing process, and tests use it to see whether the app is working or not.
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