Interview Questions and Answers for QTP (Quick Test Professional)

Monday, September 12, 2005

Difference between System Testing and Integration Testing

System testing is high level testing, and integration testing is a lower level testing.

Integration testing is completed first, not the system testing. In other words, upon completion of integration testing, system testing is started, and not vice versa.

For integration testing, test cases are developed with the express purpose of exercising the interfaces between the components. For system testing, on the other hand, the complete system is configured in a controlled environment, and test cases are developed to simulate real life scenarios that occur in a simulated real life test environment.

The purpose of integration testing is to ensure distinct components of the application still work in accordance to customer requirements. The purpose of system testing, on the other hand, is to validate an application's accuracy and completeness in performing the functions as designed, and to test all functions of the system that are required in real life.

QTP and Winrunner Questions and Answers
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At 6:50 AM, March 23, 2008, Blogger Kollol said...

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