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From "Knut Anders Hatlen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5512) emma-single and emma-all don't use the instrumented jars
Date Wed, 23 Nov 2011 17:11:39 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Knut Anders Hatlen updated DERBY-5512:

    Attachment: d5512.diff

Attaching a patch that makes emma-instrumentation depend on junit-init-nocp instead of junit-init.
junit-init-nocp does essentially the same as what junit-init did before DERBY-4089, and it
skips the automatic classpath configuration so that emma-instrumentation can set the classpath
the way it wants. I now get a code coverage report when I run emma-single.
> emma-single and emma-all don't use the instrumented jars
> --------------------------------------------------------
>                 Key: DERBY-5512
>                 URL: https://issues.apache.org/jira/browse/DERBY-5512
>             Project: Derby
>          Issue Type: Bug
>          Components: Build tools, Test
>    Affects Versions:
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: d5512.diff
> When running the Ant targets that produce code coverage reports for the JUnit tests,
the reports are empty:
> $ ant -Dderby.junit.testclass=org.apache.derbyTesting.functionTests.tests.lang.CommentTest
emma-single 2>&1
> (...)
> emma-report:
>    [report] [EMMA v2.0, build 5312 (2005/06/12 19:32:43)]
>    [report] input data path:
>    [report] {
>    [report]   /code/derby/trunk/junit_20111123_1751/coverage.em
>    [report] }
>    [report] source path:
>    [report] {
>    [report]   /code/derby/trunk/java/client
>    [report]   /code/derby/trunk/java/demo
>    [report]   /code/derby/trunk/java/drda
>    [report]   /code/derby/trunk/java/engine
>    [report]   /code/derby/trunk/java/shared
>    [report]   /code/derby/trunk/java/storeless
>    [report]   /code/derby/trunk/java/tools
>    [report] }
>    [report] processing input file [/code/derby/trunk/junit_20111123_1751/coverage.em]
>    [report]   loaded 1542 metadata entries
>    [report] 1 file(s) read and merged in 194 ms
>    [report] nothing to do: no runtime coverage data found in any of the data files
> (...)
> Running Ant with the -v option revealed that the JUnit test was run with the uninstrumented
jar files. I suspect that this is because DERBY-4089 made the build script set derby.junit.classpath
automatically if it's not already set. Since Ant properties cannot be changed once they've
been assigned a value, this prevents the emma-instrumentation target from building a derby.junit.classpath
that points to the instrumented jars.

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