The software testing life cycle (STLC) is a framework that outlines the different stages involved in the testing process. It is an organized approach to software testing that helps to ensure that all aspects of the software are thoroughly tested and that any defects are identified and resolved in a timely manner. The exact stages of the STLC may vary depending on the organization or methodology being used, but a typical STLC includes the following stages:
Requirements gathering and analysis: This stage involves gathering and analyzing the requirements for the software to determine what needs to be tested and what the acceptance criteria are.
Test planning: This stage involves creating a test plan that outlines the objectives of the testing, the testing approach, the test cases that will be executed, and the resources required.
Test design: This stage involves creating test cases and test scripts that will be used to test the software. This includes determining the inputs and expected outputs for each test case and any prerequisites or setup steps that need to be done before the test can be executed.
Test execution: This stage involves executing the test cases and test scripts on the software and recording the results. Any defects or bugs that are found during the testing should be documented in a bug report.
Test closure: This stage involves summarizing the testing results, documenting any defects that were found, and verifying that all the testing objectives have been met.
Test maintenance: This stage involves maintaining the test cases and test scripts, updating them as needed to reflect changes in the software or requirements.
It's important to note that the STLC is an iterative process, which means that the testing process is repeated until the software meets the requirements and no more defects are found.
It's also important to note that some methodologies like Agile, have overlapping and iterative stages, so the process should be adapted to the methodology used.
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