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From Vemund Østgaard (JIRA) <j...@apache.org>
Subject [jira] Commented: (DERBY-3445) Make it easier to use the EMMA tool to measure the code coverage of the Derby testing
Date Mon, 03 Mar 2008 15:22:50 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12574553#action_12574553

Vemund Østgaard commented on DERBY-3445:

Thank you Dyre!

I've started on a wiki page here: http://wiki.apache.org/db-derby/CodeCoverageWithEMMA

Hopefully that has enough information for you to use the emma targets.

The junit-single target works the same way as the junit-all and junit-simple targets. They
all require you to set the classpath to point to your Derby classes or jars. If you are using
ant 1.6.5 you must also have junit.jar and ant-junit.jar in your classpath. I don't have this
problem with ant 1.7.

To configure the classpath when running junit targets I have been using the property derby.junit.classpath.
I guess you can just set your CLASSPATH env var as well, or use the -lib option for ant, I
haven't tried.

When you use the emma targets (emma-single and emma-all) you don't have to worry about the
classpath, this is overridden by the emma targets. You have to download emma.jar and emma_ant.jar
(in addition to junit.jar) and place them under tools/java/ in your sandbox. You must build
your jars as usual, either sane or insane, and then you can use the emma targets.

> Make it easier to use the EMMA tool to measure the code coverage of the Derby testing
> -------------------------------------------------------------------------------------
>                 Key: DERBY-3445
>                 URL: https://issues.apache.org/jira/browse/DERBY-3445
>             Project: Derby
>          Issue Type: Improvement
>          Components: Build tools
>            Reporter: Vemund Østgaard
>            Assignee: Vemund Østgaard
>         Attachments: 3445-general-diff, 3445-general-diffv2, 3445-singletest-diff, 3445-SysinfoLocaleTest-diff,
3445-testspecific-diff, 3445-testspecific-diffv2
> It is a bit tricky to use EMMA to measure code coverage for the derby testing.
> Modifications must be made to the source both to avoid problems with the SecurityManager
and individual tests. It would be good if these modifcations could be done once and for all
so that it was easier for anyone to run the tests with EMMA.
> It would also be good to have ant tasks that would make it even easier to run the tests
with EMMA.

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