Explain STLC with an example?

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STLC stands for Software Testing Life Cycle, which is a sequence of activities performed by testing teams to ensure the quality and functionality of software. Here's an overview of the STLC phases with an example of testing a web application:

1. Test Planning:

  • Objective: Define test objectives, scope, resources, and timelines.
  • Example: Gathering requirements for the web application's testing, identifying testing tools, and creating a test plan detailing the testing approach, test cases, and test environments.

2. Test Analysis:

  • Objective: Analyze the requirements and prepare detailed test cases.
  • Example: Reviewing the web application's functional and non-functional requirements, identifying test scenarios, and creating detailed test cases covering various functionalities like login, navigation, forms, etc.

3. Test Design:

  • Objective: Develop test scenarios and test data.
  • Example: Designing test scenarios for different user workflows (e.g., new user registration, order placement), preparing test data sets for different scenarios to cover positive and negative testing.

4. Test Environment Setup:

  • Objective: Set up the test environment with required hardware and software configurations.
  • Example: Configuring servers, databases, browsers, and network setups required for testing the web application.

5. Test Execution:

  • Objective: Execute test cases and report defects.
  • Example: Running the prepared test cases on the web application, recording test results, reporting any defects or issues found during testing, and retesting after defect fixes.

6. Test Reporting:

  • Objective: Create test reports and communicate testing progress and results.
  • Example: Generating test summary reports, defect reports, and communicating with stakeholders about the testing progress, coverage, and any critical issues found.

7. Test Closure:

  • Objective: Assess the completion of testing activities and deliverables.
  • Example: Reviewing the test coverage, ensuring all planned tests are executed, evaluating the exit criteria defined in the test plan, and preparing test closure reports.

The STLC ensures that the testing process is systematic, comprehensive, and aligns with the software's requirements. While the example here focuses on a web application, the STLC framework is adaptable to testing various software types, including mobile apps, enterprise software, and more.

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