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From "Knut Anders Hatlen (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-5512) emma-single and emma-all don't use the instrumented jars
Date Wed, 23 Nov 2011 16:57:39 GMT
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

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
   [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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