Monday, 24 September 2012

44.Software Testing Life Cycle I


Software testing life cycle (STLC) identifies what test activities to carry out and when (what is the best time) to accomplish those test activities. Even though testing differs between organizations, there is a testing life cycle.
Software Testing Life Cycle consists of seven (generic) phases:
Test Planning,
Test Analysis,
Test Design,
Construction and verification,
Testing Cycles,
Final Testing and Implementation and
Post Implementation.

Test Planning- This is the phase where Project Manager has to decide what things need to be tested,do I have the appropriate budget etc. Naturally proper planning at this stage would greatly reduce the risk of low quality software. This planning will be an ongoing process with no end point.

Test Analysis-Once test plan is made and decided upon, next step is to delve a little more into the project and decide what types of testing should be carried out at different stages of SDLC, do we need or plan to automate, if yes then when the appropriate time to automate is, what type of specific documentation is need for testing.


Test Design-Test plans and cases which were developed in the analysis phase are revised. Functional validation matrix is also revised and finalized. In this stage risk assessment criteria is developed. If you have thought of automation then you have to select which test cases to automate and begin writing scripts for them. Test data is prepared. Standards for unit testing and pass / fail criteria are defined here. Schedule for testing is revised (if necessary) & finalized and test environment is prepared.

Construction and verification- In this phase we have to complete all the test plans, test cases, complete the scripting of the automated test cases, Stress and Performance testing plans needs to be completed. We have to support the development team in their unit testing phase. And obviously bug reporting would be done as when the bugs are found. Integration tests are performed and errors (if any) are reported.


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Er Ratnesh Porwal
Software Engineer
www.AeroSoftCorp.com
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