(Software Testing Life Cycle)
STLC stands for Software Testing Life Cycle. It is a series of steps followed by testers to ensure that a software application works correctly and meets the required expectations.
1. Requirement Analysis
In this phase, testers study the project requirements and understand what needs to be tested.
Testers identify:
- What features need testing
- What type of testing is required
- Whether the requirements are clear and testable
2. Test Planning
In this phase, the testing team creates a testing plan.
The team decides:
- Testing scope
- Testing types
- Testing tools
- Resources
- Testing schedule
3. Test Case Development
Testers create test cases and test scenarios based on the requirements.
A test case generally contains:
- Test steps
- Test data
- Expected result
- Actual result
4. Test Environment Setup
The required environment is prepared for testing.
For example, testers may set up:
- Operating systems
- Browsers
- Databases
- Devices
- Testing tools
5. Test Execution
Testers execute the test cases in the testing environment.
The actual result is compared with the expected result. If there is a difference, the tester reports it as a defect or bug.
After developers fix the defects, testers perform retesting and regression testing.
6. Test Closure
This is the final phase of STLC.
The testing team reviews the testing results, checks the completed test cases and defects, and prepares the final testing report.
Conclusion
STLC provides a structured approach to software testing. By following each phase properly, testers can identify defects early and help deliver a reliable and high-quality software application.
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