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http://jira.codehaus.org/browse/SUREFIRE-348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brett Porter updated SUREFIRE-348:
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    Fix Version/s: 2.x

> Proivde a surefire aggregate option for report-only mojo
> --------------------------------------------------------
>
>                 Key: SUREFIRE-348
>                 URL: http://jira.codehaus.org/browse/SUREFIRE-348
>             Project: Maven Surefire
>          Issue Type: New Feature
>          Components: report plugin
>    Affects Versions: 2.3
>            Reporter: John Allen
>             Fix For: 2.x
>
>
> I have recently modified many plugins to provide aggregate features that 
> aggregate their respective reports for contained sub-n-modules (inc. sub-sub 
> etc) up the *module* hierarchy  (ie not inheritance hierarchy that may be 
> unrelated to the reactor and module structure) and would like to see this for 
> surefire. This enables use view reports for various levels of sub-systems 
> resulting in top level reports that cover an entire solution.  
> I would like to request this feature for the report-only mojo (god knows how 
> you;d do it for the forking surefire:report one)
> My recommendation is either to separate aggregate into a separate mojo that 
> pulls the surefire result xml files up the tree, merging them as it goes and 
> then have report-only simply knock out a report for the, now aggregated 
> report files it finds when its run as part of site. With is the site 
> generation model one binds these kinds of site preprocessing mojos, that 
> themselves tend to be able to @aggregatorrs (thus also getting round the bug 
> where reporting mojos cant be aggregators) to the pre-site phase. This is our 
> preferred technique to site building where one treats analysis a part of the 
> normal build lifecycle (for how else would one be able to run checkers that 
> read the analysis and fail the build if thresholds are breached?) and 
> reporting do nothing but report on the data that has been produced by the 
> normal build and analysis phases (ie no evil forked lifecycles).
> The alternative is to pull the data up to the scope that the report-only mojo 
> is running at from the sub-n-modules beneath it before it then reports on it. 
> The mojo obviously gets run for each level of the module hierarchy as the 
> reactor is processed. This can be optimised to do all the work at the top 
> most module if one wants - i.e. build the merged aggregated data files for 
> all the sub-modules on those modules behalf, as it builds its top-most 
> aggregated data file (ie it populates sub-module target/surefire directories 
> with their merged report xml for them as it needs this info for its report).
> Note I do not know (or like) why the assumptions present in Javadoc and JXR 
> that if one want to aggregate one only wants to aggregate to the top most 
> project..

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