[QA\QC] Requirement Traceability Metrix and Test Scenarios, Decision table testing

Requirement Traceability Matrix – Parameters include

  • Requirement ID
  • Risks
  • Requirement Type and Description
  • Trace to design specification
  • Unit test cases
  • Integration test cases
  • System test cases
  • User acceptance test cases
  • Trace to test script

Why create Test Scenarios?

Test Scenarios are created for following reasons,

  • Creating Test Scenarios ensures complete Test Coverage
  • Test Scenarios can be approved by various stakeholders like Business Analyst, Developers, Customers to ensure the Application Under Test is thoroughly tested. It ensures that the software is working for the most common use cases.
  • They serve as a quick tool to determine the testing work effort and accordingly create a proposal for the client or organize the workforce.
  • They help determine the most important end-to-end transactions or the real use of the software applications.
  • For studying the end-to-end functioning of the program, Test Scenario is critical.

How to create a Test Scenario

(http://www.guru99.com/test-scenario.html for an example)

As a tester, you can follow these five steps to create Test Scenarios-

  • Step 1: Read the Requirement Documents like BRS, SRS, FRS, of the System Under Test (SUT).  You could also refer uses cases, books, manual, etc. of the application to be tested.
  • Step 2: For each requirement, figure out possible users actions and objectives. Determine the technical aspects of the requirement. Ascertain possible scenarios of system abuse and evaluate users with hacker’s mindset.
  • Step 3: After reading the Requirements Document and doing your due Analysis, list out different test scenarios that verify each feature of the software.
  • Step 4: Once you have listed all possible Test Scenarios, a Traceability Matrix is created to verify that each & every requirement has a corresponding Test Scenario
  • Step 5: The scenarios created are reviewed by your supervisor. Later, they are also reviewed by other Stakeholders in the project.

Tips to Create Test Scenarios

  • Each Test Scenario should be tied to a minimum of one Requirement or User Story as per the Project Methodology.
  • Before creating a Test Scenario that verifies multiple Requirements at once, ensure you have a test scenario that checks that requirement in isolation.
  • Avoid creating overly complicated Test Scenarios spanning multiple Requirements.
  • The number of scenarios may be large, and it is expensive to run them all. Based on customer priorities only run selected Test Scenarios
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