Defect Lifecycle

The defect lifecycle refers to the process that a defect goes through from the time it is identified until it is resolved and closed .It tracks the status of a defect as it moves through various stages, ensuring that issues are addressed promptly and efficiently . The defect lifecycle plays a crucial role in ensuring software Quality by systematically managing and resolving defects.




Stages of the Defect Lifecycle
  1.  New (or open)
    • Description : This is the start stage of a first identified. It is reported by the tester and logged into the defect tracking system.
    • Action: The defect is reviewed by the QA or development team to verify its validity and determine its priority and severity.
  2. Assigned
    • Description : Once the defect is confired, it is assigned to a developer or team member who is responsible for fixing the issue.
    • Action : The assigned developer begins investigating the defect , reproducing it , and finding the root cause of the problem .
  3. fixed
    • Description :The defect has been addressed and resolved by the developer. the software has been modified or updated to correct the issue .
    • Action :The developer marks the defect as "Fixed" in the defect management system and the defect is ready for verification.
  4. Retesting
    • Description : After the defect is fixed , it is sent back to the testing team for verification to ensure that the fix is effective and that the defect no longer exists.
    • Action : The testing team runs tests cases to validate the fix . If the defect is fixed, it moves to the next stage. if not , It may return to the "Assigned" stage for further development.
  5. Verified
    • Description : The testing team has verified that the defect has been resolved and the fix is successful.
    • Action: The defect is marked as "verified" to indicate that the solution is correct and the issue no longer affects the software.
  6. Closed
    • Description : once the defect is verified nd confired to be fixed, it is considered closed.
    • Action: The defect is officially closed in the defect management system , indicating that no further action is needed. 
  7. Reopened (optional)
    • Description : In some cases, a defect may be marked as "Reopened" if it resurfaces after being closed or if the initial fix was incomplete.
    • Action : The defect goes through the lifecycle again , starting from the "Assigned" stage, to ensure that it is properly addressed.


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