What are the types of Software Testing

Software testing is a vast field with numerous techniques and methodologies to ensure that software meets its specifications and works correctly. Here’s a list of common types of software testing:

  1. Functional Testing: Evaluates the system’s functionality against the requirements. Common types include:

    • Unit Testing: Test individual units or components of the software.
    • Integration Testing: Test interfaces between components or systems.
    • System Testing: Test the complete integrated system.
    • Acceptance Testing: Check if the software meets the acceptance criteria, often carried out by the client or end-users.
  2. Non-functional Testing: Tests the non-functional aspects like performance, usability, etc. Types include:

    • Performance Testing: Evaluates the system’s performance. This can further be divided into:
      • Load Testing
      • Stress Testing
      • Volume Testing
      • Scalability Testing
    • Usability Testing: Evaluates the software’s user-friendliness.
    • Security Testing: Checks for vulnerabilities, threats, and risks.
    • Compatibility Testing: Ensures software works in different environments – browsers, OS, etc.
    • Reliability Testing: Measures software stability.
    • Recovery Testing: Checks the software’s ability to recover from failures.
  3. Regression Testing: Ensures that recent changes haven’t adversely affected existing features.

  4. Smoke Testing (or Sanity Testing): A preliminary test to check the basic functionalities of an application.

  5. Exploratory Testing: Testers explore the application to identify defects.

  6. Ad-hoc Testing: Without any specific test case or plan in mind.

  7. Alpha Testing: Conducted by the in-house developer team before the product is released to select external users.

  8. Beta Testing: After alpha testing, it’s released to a select group of external users.

  9. Black Box Testing: Tests the software without any knowledge of its inner workings.

  10. White Box Testing: Tests the software with knowledge of its inner code and logic.

  11. Grey Box Testing: Combination of both black box and white box testing.

  12. Database Testing: Checks the integrity of the database.

  13. Boundary Testing: Test the software using the boundary values of the input domain.

  14. Error Handling Testing: Ensures that errors are handled appropriately.

  15. Mobile Testing: Tests software on mobile devices.

  16. API Testing: Directly tests the APIs for functionality, reliability, etc.

  17. Monkey Testing: Random testing with no specific use-case in mind.

  18. User Acceptance Testing (UAT): Final phase where actual users test the software to see if it’s ready for release.

  19. Localization/Globalization Testing: Checks the software’s localization for a particular region or culture and its adaptability globally.

  20. Parallel/Audit Testing: Compare results of two different systems.

  21. Static vs. Dynamic Testing: While static testing evaluates the software’s documentation and code without running the program, dynamic testing checks the software by executing it.

  22. Installation Testing: Validates whether the software installs correctly.

  23. Configuration Testing: Checks software with multiple configurations.

  24. Conformance (or Compliance) Testing: Ensures the software adheres to standards.

  25. Operational Testing: Evaluates the operational readiness of a software application.

  26. Accessibility Testing: Ensures software and applications are accessible by people with disabilities.

These are just some of the main types of software testing. Depending on the nature and requirements of a software product, testers might employ a combination of multiple testing types and methodologies.

Related Articles 

  1. What is Selenium Testing
  2. What is System Testing ?
  3. What is Automation Testing ?
  4. The different types of testing


How many types are there in software testing?

There are three main ways you can do testing: manual, automated, and continuous. Let us take a closer look at each option. Manual testing is the most hands-on type of testing and is employed by every team at some point.

What are the 4 types of software tests?

What are the different levels of software testing?

  • Unit testing.
  • Integration testing.
  • System testing.
  • Acceptance testing.

What are the 5 testing methods?

  • 1) Unit Tests. …
  • 2) Integration/System Tests. …
  • 3) Functional Tests. …
  • 4) Regression Tests. …
  • 5) Acceptance Tests.

What is a test type in software testing?

A test type is focused on a particular test objective, which could be the testing of the function to be performed by the component or system.

How many main types of testing are there?

There are various software testing types for manual testing and automated testing, and different testing methodologies such as black-box testing, white-box testing, and gray-box testing.

What are the 3 types of test data?

Three types of test data are:

  • normal data – typical, sensible data that the program should accept and be able to process.
  • boundary data – valid data that falls at the boundary of any possible ranges, sometimes known as extreme data.
  • erroneous data – data that the program cannot process and should not accept.

What are the two main types of system testing?

Load Testing: Load Testing is a type of software Testing which is carried out to determine the behavior of a system or software product under extreme load. Stress Testing: Stress Testing is a type of software testing performed to check the robustness of the system under the varying loads.

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Author: Pallavi

Business Analyst , Functional Consultant, Provide Training on Business Analysis and SDLC Methodologies.

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