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26 Types of Software Testing: The ABC’s of Testing

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There are various types of software testing, some functional testing and some non-functional, while each has its own set of strengths, capabilities, advantages and disadvantages too. In this article, we will define 26 types of software testing (of course there are many more!), for each alphabetic letter. Let’s get started! ๐Ÿ” ๐Ÿ˜‰

Types of Software Testing

  1. Acceptance Testing
  2. Beta Testing
  3. Component Testing
  4. Dynamic Testing
  5. Exploratory Testing
  6. Functional Testing
  7. GUI Testing
  8. Happy Path Testing
  9. Integration Testing
  10. Junit Testing
  11. Keyword Driven Testing
  12. Load Testing
  13. Monkey Testing
  14. Non-functional Testing
  15. Operational Acceptance Testing
  16. Performance Testing
  17. Qualification Testing
  18. Regression Testing
  19. System Testing
  20. Top Down Integration Testing
  21. Usability Testing
  22. Vulnerability Testing
  23. White Box Testing
  24. XP Testing
  25. Yellow Box Testing
  26. Zombie Testing

Types of Software Testing

A โ€“ Acceptance Testing

Acceptance testing is a test level performed by the client, that focuses on determining whether to accept the system/software as per the requirements and end-user needs.

B โ€“ Beta Testing

Beta testing is a type of acceptance testing performed at an external site to the developerโ€™s test environment by roles outside the development organization. This is the final testing completed before releasing the software to the market, usually to a limited amount of end-users.

C โ€“ Component Testing

Component testing is a test level that focuses on individual hardware or software components, mostly performed by development team following unit testing.

D โ€“ Dynamic Testing

Dynamic testing involves the testing of the dynamic behavior of the code (whereas static testing does not involve the execution of the code).

E โ€“ Exploratory Testing

Exploratory testing is an approach to testing whereby the testers dynamically design & execute tests based on their knowledge, exploration of the test item and the results of previous tests.

F โ€“ Functional Testing

Functional testing is performed to evaluate whether a component or system satisfies functional requirements.

G โ€“ GUI Testing

GUI testing is performed by interacting with the software under test via GUI.

H โ€“ Happy Path Testing

Happy path testing is performed to test an application successfully on a positive flow. It does not look for negative or error conditions.

I โ€“ Integration Testing

Integration testing is test level that focuses on the interaction between components or systems.

J โ€“ Junit Testing

Junit is an open source unit testing framework for Java.

K โ€“ Keyword Driven Testing (KDT)

Keyword-driven testing is a scripting technique in which test scripts contain high-level keywords and supporting files that contain low-level scripts that implement those keywords.

L โ€“ Load Testing

Load testing is a type of performance testing conducted to evaluate the behavior of a component or system under varying loads, usually between anticipated conditions of low, typical and peak usage.

M โ€“ Monkey Testing

Monkey testing is carried out by a tester by giving random inputs and no test cases are scripted. It is not necessary to know the full functionality of the system.

N โ€“ Non-Functional Testing

Non-functional testing is performed to evaluate that a component or system complies with non-functional requirements.

O โ€“ Operational Acceptance Testing (OAT)

Operational acceptance testing is a type of acceptance testing performed to determine if operations/system administration staff can accept a system.

P โ€“ Performance Testing

Performance testing determines the performance efficiency of a component or system.

Q โ€“ Qualification Testing

Qualification testing is performed to verify the design and provides a baseline for subsequent acceptance tests.

R โ€“ Regression Testing

Regression testing is a type of testing related to software changes with an aim to detect whether defects have been introduced or uncovered in unchanged areas of the software.

S โ€“ System Testing

System testing is a test level that focuses on verifying that a system as a whole meets specified requirements (it is a black-box type of testing).

T โ€“ Top Down Integration Testing

Top down integration testing is a type of Integration testing technique used in order to simulate the behavior of the lower-level modules that are not yet integrated. It uses stubs as the temporary replacement for testing purposes.

U โ€“ Usability Testing

Usability testing is performed to check the user-friendliness. It tests whether a user can understand the application easily or not.

V โ€“ Vulnerability Testing

Vulnerability testing involves identifying weaknesses in the software, hardware and the network.

W โ€“ White Box Testing

White box testing is based on an analysis of the internal structure of the component or system.

X โ€“ XP Testing

XP testing is for testing the Extreme Programming applications to produce high-quality software. XP is an Agile software development framework.

Y โ€“ Yellow Box Testing

Yellow box testing is performed to check the warning messages.

Z โ€“ Zombie Testing

Zombie testing is a routine test execution using predetermined patterns & methods, turning testers into what is called “Zombie testers”.


What is your go-to testing type? Which ones would you add to the list?
Happy Testing ๐Ÿ˜‡!


About the author

Sri Priya P Kulkarni

An ISTQB certified tester with 2+ years of experience in the field of Software Testing.Dedicated & Hardworking with focus on performing testing activities on Web Applications.Also performedย  testing on APIs and became passionate on Testing.Hands on experience in Manual and Automation Testing. My focus is on Software Quality and making sure that Software is Bug free.I will enjoy to work in team and learning from others, across all areas of business and technologies.I love to share my knowledge and discuss Software Testing related topics.

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