Tracking and Squashing Bugs
#1

Presented by
Charlie Chung

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Tracking and Squashing Bugs
Risk Management
 Risk Assessment
 What things might go wrong badly?
 Cost, schedule or quality?
 Risk Control
 Take the correct action to handle it?
 Maintaining the Top Five Risk List
 Bug Triage
Risk Assessment ideas…
 I discover a requirement that I can not figure out how to implement
 I don’t have time to finish the code, I have too many other projects to do
 I can’t finish all the planned features in the time allowed
 I lose the program’s source code due to a hardware issue
 My code quality is too low to share without embarrassment
Risk Assessment
 Risk Control
 Get things done!
 Maintaining the T5 Risk List
 The goal of the Top 5 risk list is to give you an idea where you can immediately and easy review the most serious threats to your project
 Bug Triage
 Prioritizing bugs based on their seriousness and deciding what to do about each one
 Fix what really need to be fixed
 By Design
 Duplicate
 Postponed
 Not Reproducible
 Won’t fixed
 Reassigned
 Fixed
Bug Tracking Work Flow
 A tester find a bug and report it
 The bug is assigned to a manager for initial triage
 The manager resolve it or assign to a developer
 Resolved bug returned to a tester
 The tester either closes the bug or reopen it with additional information or comments which start step 2 again
QA & Testing
Type of Software Test

 QA for Lone Wolf
 Build a Test Network
 Type of Software Testing
 Unit testing
Chapter 5, by function or component
 Functional testing
Walk through with specifications?
 Conformance testing
Match industry spec? ex. XML format match W3C XML..
 Compatibility testing
Different OS, HW…
 Performance testing
Check the application performance is acceptable to user
Type of Software Testing
 Stress testing
How app fail when subjected to excessive stress
 Regression testing
Test that were passed by previous build of the software
 Smoke testing
Running “quick and dirty” tests that exercises major features .. Have to wait till next build if failed
 Black-box testing
Focusing on external interfaces, (most are QA jobs)
 White-box testing
Internal behavior of component is tested , just like unit testing
 QA for the lone wolf
 Use unit test
 Create a list of critical requirements
 Set code aside for a few days before performing functional tests
 Get someone don’t know your app to test
 Keep a written list of requirements
 Use bug tracking system
 Be sure to check absurd input
 If you think something might go wrong while coding, enter it as a bug in you bug tracking system. This will help you to remember
Building a Test Network
 Some advice from the author
 Buy preassembled machine, name brand, serious development hardware
 Skip tapes
 Store data separately
 Keep drive image
 Use virtual machines
 Use KVM switch ( many company do this)
 Get your own domain
 Use a firewall
 Set aside test machine & use mix of machines
 Set aside a build machines
Bug Tracking Tools
 Choosing a bug Tracking Tool
 Using a bug tracking tool
 Choosing a bug Tracking Tool
 Cost (tool cost / license ..)?
 Multiple platform needs? / web based or other interfaces
 Send notification, distinguish or feature request?
 Integrate with other management tool?
 Where does the tool store information?
 What do you NEED from here?
Using a bug tracking tool
 What happen
 What the tester thinks should happen instead
 Steps to reproduces the problem
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