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Name

Technical Debt Plugin

Authors

Freddy Mallet, Olivier Gaudin

Jira

http://jira.codehaus.org/browse/SONARPLUGINS/component/13850

Most Recent Version

0.2

License

LGPL v3

Sources

http://svn.codehaus.org/sonar-plugins/trunk/technical-debt/

Download

Latest stable : technical-debt-0.2.jar
Called for a vote : technical-debt-0.3-SNAPSHOT.jar

Compatibility with Sonar

Plugin versions

1.8

1.9

1.10

0.1

(tick)

0.2

(tick)

0.3-SNAPSHOT

(tick)

Description / Features

The plugin evaluates how much technical debt a project is in. It consists of 4 advanced measures :

Clicking on an indicator brings the usual drill down

The debt is first calculated on the basic axis : Duplication, Violations, Complexity, Coverage and Documentation.
It is then summed up to provide a global measure.

Full details of axes calculation are available here.

The debt ratio

The debt ratio gives a percentage of the current technical debt of the project versus the total possible debt for the project.
It enables to better compare projects. Indeed having $ 10,000 debt on a "small" project does not mean the same as the same debt on a big project.

The cost to reimburse

This gives in $$ what it would cost to clean all defects on every axis (no more violation, no more duplication...).

The work to reimburse

This is the cost to reimburse expressed in man days

The breakdown

This gives through a pie chart a view of the debt repartition across the 5 quality axis used.

Usage & Installation

  1. Copy the jar into /extensions/plugins/ directory
  2. Restart Sonar Web server
  3. Launch a new quality analysis and the technical debt metrics will be fed

Known limitations

A significant improvement to the would be to gather manual measures : see SONARPLUGINS-91. Indeed this would enable to record other technical debts that are not gathered by Sonar to get a complete view.

Having a real cost to resolve for each rule would add a lot accuracy

Changelog

Technical Debt 0.3 :

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Technical Debt 0.2 :

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