The document outlines the life cycle of a bug report in Moodle from initial discovery and report, to prioritization, development of a patch, review, testing, and finally being fixed and released. It notes that many people are typically involved in the process, including the original reporter, developer, peer reviewer, integrator, and tester. Community involvement is encouraged through reporting bugs, voting, providing reproduction steps, and watching issues.

1. the world’s open source
learning platform
Life Cycle of the Moodle
Bug
Dan Poltawski
Integrator
Moodle HQ
@dan_p #mootus16

2. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Tracker - Heart of Moodle Development
https://tracker.moodle.org

3. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Bug Discovered, Issue Created

4. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Issue Reported
MDL-50176

5. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Gathering community interest

6. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Issue Triaged
• Has it been reported
previously?
• Are the issue fields
correct?

7. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Problem Reproduced
Steps to reproduce:
1. I prepare my slides
2. Present to the audience
Expected results:
Never-ending supply of beer
Actual results:
Limited beer supply

8. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Prioritised
Moodle Partners
Partner tagged issues
Priority/Severity of issue
Critical issues such as
security
Moodle Association
Roadmap developments
Votes/Comments
High votes/response
from community
Moodle HQ Backlog
MDL-12344
MDL-12345
MDL-12346
…

9. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Developer starts work on issue
Usually worked on by:
• Moodle HQ Developers
• Community Developers
(often Moodle Partners,
Universities, Schools etc)
But open to anyone!

10. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Patch is made

11. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Branch Created for Review

12. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Automated Checks

13. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Peer Review

14. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Integration Review
• Is the change safe?
• Will it work for all Moodle users?
• Does it affect backwards compatibility?
• Do we have automated tests to
prevent regressions?

15. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Automated Tests

16. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Manual Tests

17. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Fixed. Closed. Released

18. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Documented

19. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
Many hands make light work…
At Least 5 people:
• Issue reporter
• Developer
• Peer reviewer
• Integrator
• Tester
For MDL-50176:
16 participants
24 voters
31 watchers

20. Copyright 2016 © Moodle Pty Ltd - CC SA - support@moodle.comthe world’s open source learning platform
• Report bugs
• Vote for important issues
• Help with steps to reproduce
• Watch issues and provide insight
Get involved!