Software Testing Life Cycle refers to a testing process which has specific steps to be executed in a definite sequence to ensure that the quality goals have been met. In STLC process, each activity is carried out in a planned and systematic way.

Requirement Phase:

During this phase of STLC, analyze and study the requirements. Have brain storming sessions with other teams and try to find out whether the requirements are testable or not. 

Planning Phase:

In practical scenarios, Test planning is the first step of the testing process. In this phase we identify the activities and resources which would help to meet the testing objectives.


Analysis Phase:

This STLC phase defines “WHAT” to be tested. We basically identify the test conditions through the requirements document, product risks and other test basis.

Design Phase:

This phase defines “HOW” to test. This phase involves the following tasks:

– Detail the test condition. Break down the test conditions into multiple sub conditions to increase coverage.
– Identify and get the test data
– Identify and set up the test environment.
– Create the requirement traceability metrics
– Create the test coverage metrics.

Implementation Phase:

The major task in this STLC phase is of creation of the detailed test cases. Prioritize the test cases also identify which test case will become part of the regression suite. 

Execution Phase:

As the name suggests, this is the Software Testing Life Cycle phase where the actual execution takes place. 

Conclusion Phase:

This STLC phase concentrates on the exit criteria and reporting. Depending on your project and stakeholders choice, you can decide on reporting whether you want to send out a daily report of weekly report etc. 

Closure Phase:

Tasks for the closure activities include the following:

– Check for the completion of the test. Whether all the test cases are executed or mitigated deliberately. Check there are no severity 1 defects opened.
– Do lessons learnt meeting and create lessons learnt document.( Include what went well, where are the scope of improvements and what can be improved).

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