Sanity Testing in Manual Software Testing

Manual Testing

Published on Sep 27, 2023

Understanding Sanity Testing in Manual Software Testing

Sanity testing is an important aspect of the manual software testing process. It plays a crucial role in ensuring the quality and functionality of the software being tested. In this article, we will delve into the process of sanity testing, its objectives, differences from smoke testing, common challenges, its contribution to overall software quality, and provide examples of scenarios where sanity testing is essential.

What is Sanity Testing?

Sanity testing, also known as sanity check or build verification testing, is a subset of regression testing. It is performed when a small change is made to the codebase or after a bug fix to ensure that the new code has not adversely affected the existing functionality of the software. The primary objective of sanity testing is to quickly determine whether it is reasonable to proceed with more rigorous testing. It helps in identifying any major flaws in the software before proceeding with comprehensive testing.

Key Objectives of Sanity Testing

The key objectives of sanity testing include:

1. Verifying Critical Functionality: Sanity testing aims to verify the critical functionality of the software after minor changes or bug fixes.

2. Ensuring System Stability: It ensures that the system remains stable after the introduction of new code.

3. Identifying Major Defects: It helps in identifying any major defects introduced due to the recent changes.

Differences Between Sanity Testing and Smoke Testing

Sanity testing is often confused with smoke testing, but they serve different purposes.

Smoke testing is performed to check whether the critical functionalities of the software are working fine, and it is usually done before the detailed testing process begins. On the other hand, sanity testing is done to check whether the bugs have been fixed and to ensure that no new issues have been introduced due to the recent changes. It is performed after smoke testing.

Common Challenges in Conducting Sanity Testing

While sanity testing is an important step in the testing process, it comes with its own set of challenges.

Some common challenges in conducting sanity testing include:

1. Time Constraints: Limited time for testing after each code change or bug fix can be a challenge.

2. Resource Allocation: Allocating resources for sanity testing in a fast-paced development environment can be difficult.

3. Test Case Prioritization: Prioritizing test cases for sanity testing can be challenging, as it requires a balance between coverage and time constraints.

Contribution of Sanity Testing to Overall Software Quality

Sanity testing significantly contributes to the overall software quality in several ways.

It helps in identifying critical issues early in the development cycle, allowing for timely fixes and preventing the accumulation of major defects. This, in turn, leads to a more stable and reliable software product. Additionally, it instills confidence in the development team and stakeholders regarding the quality and functionality of the software.

Examples of Scenarios Where Sanity Testing is Essential

There are several scenarios where sanity testing is essential to ensure the stability and functionality of the software.

For example, after a bug fix is implemented, sanity testing is crucial to verify that the fix has not caused any new issues. Similarly, after a minor code change, sanity testing helps in ensuring that the existing functionality has not been adversely affected. In the case of frequent software updates, sanity testing becomes essential to maintain the overall stability of the system.

Conclusion

In conclusion, sanity testing is a critical step in the manual software testing process. It helps in ensuring the quality and functionality of the software after minor changes or bug fixes. By understanding the objectives, differences from smoke testing, common challenges, and its contribution to overall software quality, testing teams can effectively incorporate sanity testing into their testing processes to deliver stable and reliable software products.


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