How does SIT and UAT testing differ?

 


What is System Integration Testing (SIT)?

The dependency between modules is tested by transferring data from one module to another. Different components are integrated into a single unit and then integration testing is conducted on these units. 

Integration is referred to as the interaction between components and when the interaction between modules is tested, then it is referred to as integration testing.

SIT Testing is a combination of system testing and integration testing. System testing is performed on the absolute integrated products to verify whether the system is aligned with the functional and non-functional requirements or not. 

The initiation of the SIT process takes place at the module level where integration of units takes place, thereby forming a subsystem and subsequently a system.

 

What is User Acceptance Testing (UAT)?

UAT testing is conducted in the final stages of the software development process wherein an end-user will be given the responsibility to test the product or application in a real-time production environment. 

User requirement specifications are taken into consideration to ascertain whether the product is built according to the user and business-specific requirements.

User feedback plays a crucial role in the UAT testing method. Post-testing, users will provide their valuable feedback and suggestions to further modify or change the product based on the user inputs.

Differences between SIT and UAT:

System Integration Testing

User Acceptance Testing

The interactions between software modules or systems are verified

 The software is verified to know whether it is able to meet the user and business requirements or not

It is conducted in a controlled and simulated environment

It is conducted in a real-time environment

Integration of various systems and modules are tested

The user experience and software’s usability are tested

Test data is used to simulate module interactions

User data and real-world scenarios are used

It uses an incremental approach, wherein one module at a time is tested

It uses a comprehensive approach, wherein all user scenarios are covered

 


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