Fix a Bug

Developer

1

Reproduce the Bug

• Follow bug description.
• Obtain more information.
• Abandon bug.

2

Locate Cause of Bug

• Isolate functional area.
• Reassign bug.
• Trace involved code areas.
• Analyze system with external tools.
• Pinpoint the problem.

3

Reassign Bug

• Modify bug description.
• Update owner.

4

Decide on Strategy for a Fix

• Analyze located bug.
• Decide on an architectural fix.
• Decide on a resource fix.
• Decide on a performance fix.
• Reassign bug.

5

Code Fix

• Check out code.
• Write new code.
• Update code in existing code files.

6

Write or Update a Unit Test

• Identify the unit test scope.
• Write or update the unit test.
• Validate the unit test.

7

Perform Unit Test

• Identify appropriate unit test.
• Perform a unit test.
• Analyze test results.
• Debug code.

8

Refactor Code

• Read code review notes.
• Apply refactoring.
• Perform unit tests.

9

Prepare for Code Review

• Identify reviewers.
• Schedule the review.
• Circulate code for review.

10

Code Review

• Verify name correctness.
• Verify code relevance.
• Verify extensibility.
• Verify minimum code complexity.
• Verify algorithmic complexity.
• Verify code security.
• Create code review work item.

11

Integrate Changes

• Check dependencies.
• Test and integrate other development tasks.
• Check in the set of changes.
• Resolve scenario or quality of service requirement work item
• Resolve bug work item.

The code coverage for the unit tests meets the test metric threshold or non-coverage is explained.

A change set for the bug fix is created.

The bug is fixed and ready for verification. The state of the bug is resolved.

The bug is abandoned as not reproducible. The bug is reassigned to the tester that created it.