Bug Tracker Activity-MouseTrap

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=== Additional Information: ===
{{Learning Activity Info
{| border="1"
|acm unit=
Software Development Fundamentals (SDF) // Software Engineering (SE)
|'''ACM Knowledge Area/Knowledge Unit''' || What ACM Computing Curricula 2013 knowledge area and units does this activity cover? [[ACM_Body_of_Knowledge]]
|acm topic= Development Methods, Verification and Validation (Defect tracking)
|difficulty= Easy
|'''ACM Topic''' || What specific topics are addressed? The Computing Curriucula 2013 provides a list of topics - https://www.acm.org/education/CS2013-final-report.pdf
|time= 60 minutes
|'''Level of Difficulty''' || Is this activity easy, medium or challenging?
Student needs access to the project's bug tracker, internet access.
|'''Estimated Time to Completion''' ||  60 minutes
Stoney Jackson
|'''Materials/Environment''' ||  Access to Internet/Web and web browser.  
{{License CC BY SA}}
|'''Author''' || Who wrote this activity?
|'''Source''' || Is there another activity on which this activity is based?  If so, please provide a link to the original resource.
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=== Suggestions for Open Source Community: ===
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{{License CC BY SA}}
[[Category:Learning Activity]]
[[Category:Learning Activity]]
[[Category:Communication and Tools]]
[[Category:Communication and Tools]]
[[Category:CS Principles]]
[[Category:CS Principles]]
[[Category:Minimal Sketch]]

Revision as of 17:57, 8 March 2017

Title Bug Tracker Activity-MouseTrap
Overview Learners will gain an understanding of the features of bug trackers and how they are used to identify work items to be completed in a FOSS project.
Prerequisite Knowledge None
Learning Objectives Ability to: 1) Describe the role that a bug tracker plays in a FOSS project, 2) Describe the different types of issues stored in a bug tracker and their priorities, and 3) Identify and track the status of a particular bug in a project.



Bug tracking systems are a form of change management and organization used by FOSS projects. Bug trackers do far more than simply keep track of bugs. They also are used to hold new feature requests, patches, and some tasks. Bug trackers are also called request trackers, issue trackers and ticket systems.


We will use the GNOME MouseTrap project to explore a typical Bugzilla instance for a project.

Part 1 - Bug Reports

  1. Open a browser and go to GNOME Bugzilla
  2. Enter 'MouseTrap' in the search bar.
  3. What do each of the column names below indicate? What are the range of possible values for 2-7 below?
    1. ID
    2. Sev
    3. Pri
    4. OS
    5. Product
    6. Status
    7. Resolution
    8. Summary
  4. In what order are the bugs initially displayed?
  5. What is the meaning of the shading of some bug reports?
  6. What is the meaning of the colors used when describing a bug (red, gray, black)?
  7. What do the bug reports tell you about the current state of the system?
  8. Select a bug that you think that you might be able to fix and look at it more closely (click on the bug number).
    1. Identify when the bug was submitted.
    2. How understandable is the description?
    3. Identify if there has been recent discussion about the bug?
    4. Is the bug current?
    5. Is the bug assigned? To whom?
    6. What would we need to do to fix the bug?
  9. Repeat the previous step with a different kind of bug.

Part 2 - Collective Reports

This section refers to the entire GNOME project, not just MouseTrap.

  1. Click on the “Reports” link on the top of the page.
  2. Click on "Summary of bug activity for the last week."
  3. How many bug reports were opened in the last week? How many were closed?
  4. What was the general trend last week? Were more bugs opened than closed or vice versa?
  5. Who were the top three bug closers? Why is this important to know?
  6. Who were the top three bug reporters? Are these the same as the top three bug closes? What is the overlap in these two lists?
  7. Who are the top three contributors of patches?
  8. Who are the top three reviewers of patches? What is the overlap between these lists and the bug closers and bug reporters? What is the overlap between patch contributors and patch reviewers?


Wiki posting describing the results of your exploration below.


How will the activity be graded?

How will learning will be measured?

Include sample assessment questions/rubrics.

Criteria Level 1 (fail) Level 2 (pass) Level 3 (good) Level 4 (exceptional)
The purpose of the project
Why the project is open source


What should the instructor know before using this activity?

What are some likely difficulties that an instructor may encounter using this activity?

ACM Body of Knowledge
Area & Unit(s)

Software Development Fundamentals (SDF) // Software Engineering (SE)

ACM Topic(s)

Development Methods, Verification and Validation (Defect tracking)

Level of Difficulty


Estimated Completion Time

60 minutes

Environment / Materials

Student needs access to the project's bug tracker, internet access.


Stoney Jackson


This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License

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Suggestions for Open Source Community:

Suggestions for an open source community member who is working in conjunction with the instructor.

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