How do you prevent or reduce defect reopening by improving your testing and development processes?

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Defect reopening is a common and costly issue in software testing and development. It means that a defect that was reported as fixed by the developer is found to be unresolved or reoccurring by the tester or the customer. This can lead to delays, rework, customer dissatisfaction, and loss of trust. How can you prevent or reduce defect reopening by improving your testing and development processes? Here are some tips to help you.

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Clarify requirements upfront:

Ensure all stakeholders have a shared understanding of the project requirements. Document and validate these expectations to minimize misunderstandings that lead to defect reopening.### *Implement test-driven development:Write automated tests before coding to cover all possible scenarios. This proactive approach helps catch defects early, reducing the likelihood of reoccurrence.

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1 Clarify requirements and expectations

One of the main causes of defect reopening is the mismatch between the requirements and expectations of the stakeholders. The developer may fix a defect according to the specifications, but the tester or the customer may have a different interpretation or expectation of the functionality or the quality. To avoid this, you need to clarify the requirements and expectations upfront, and document them clearly and consistently. You also need to communicate and validate them with all the stakeholders, and update them whenever there are changes or feedback.

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jaya Krishna tummala ,MS, CSM

Award Winning Senior Functional Quality Assurance|BSA|SAP QA|Safe 6.0 Agilist|Sigma Xi Full Member|IEEE Senior Member|Fellow IETE|Author
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Defects can arise from issues beyond just requirements misalignment, such as insufficient testing coverage, integration problems, or environmental factors. To address defect reopening comprehensively, it's crucial to integrate continuous dialogue and feedback mechanisms throughout the development lifecycle, ensuring that all stakeholders are engaged regularly. This ongoing engagement helps to identify and resolve misunderstandings or issues as they arise, rather than solely relying on initial documentation and communication.

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2 Apply test-driven development

Another way to prevent or reduce defect reopening is to apply test-driven development (TDD). TDD is a methodology that requires the developer to write automated tests before writing the code. This ensures that the code is designed to meet the test criteria, and that the tests cover all the possible scenarios and edge cases. TDD also helps the developer to detect and fix defects early, and to refactor the code without breaking the functionality. TDD can improve the quality, reliability, and maintainability of the code, and reduce the chances of defect reopening.

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3 Perform root cause analysis

Sometimes, defect reopening is caused by deeper or underlying issues that are not addressed by the initial fix. For example, the fix may be incomplete, incorrect, or incompatible with other parts of the code. To prevent this, you need to perform root cause analysis (RCA) whenever a defect is reported. RCA is a process that helps you to identify and understand the origin and nature of the defect, and to find and implement the most effective and permanent solution. RCA can also help you to prevent similar defects from occurring in the future, and to improve your testing and development processes.

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4 Conduct peer reviews and inspections

Another effective technique to prevent or reduce defect reopening is to conduct peer reviews and inspections. Peer reviews and inspections are activities that involve checking and evaluating the work of others, such as code, tests, design, or documentation. They can help you to detect and correct defects, errors, inconsistencies, or gaps in the work, and to improve the quality and standards. Peer reviews and inspections can also facilitate knowledge sharing, feedback, and collaboration among the team members, and enhance their skills and performance.

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5 Use defect tracking tools and metrics

Finally, you can prevent or reduce defect reopening by using defect tracking tools and metrics. Defect tracking tools are software applications that help you to record, manage, and monitor the defects throughout the testing and development lifecycle. They can help you to assign, prioritize, categorize, and track the status and progress of the defects, and to communicate and collaborate with the stakeholders. Defect tracking tools can also generate reports and metrics that can help you to analyze and measure the quality, performance, and efficiency of your testing and development processes, and to identify and address the areas of improvement.

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Ramdinesh Boopalan

SAFe | DevOps | Secure Development | Cloud Services | Cyber Security | Infra Management | Technical Writer | AI/ML|
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How to calculate reopen defects using JIRA. Establish clear criteria for a reopened defect in your Jira project (i.e., Change in status of a defect from "Resolved" or "Closed" back to "Open" or “Reopen” status. In Jira, create a JQL query to filter and find issues that meet your criteria. i.e., (status changed to "Open" AFTER status was "Resolved”) Save the created JQL query for finding the reopened defects, and you can save it as a filter. Click "Save as" to save the filter, give the filter a descriptive name, like "Reopened Defects," and save it. Report: Create a report in Jira to display the count of reopened defects over time or by a specific project or version.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How do you prevent or reduce defect reopening by improving your testing and development processes?

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1 Clarify requirements and expectations

2 Apply test-driven development

3 Perform root cause analysis

4 Conduct peer reviews and inspections

5 Use defect tracking tools and metrics

6 Here’s what else to consider

Defect Tracking

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