I have a Maven 3 project that has multiple modules. 4 modules generate jar files and then one module creates a war file that includes all the jar files (this war module includes no code but does include integration test cases and starts Tomcat using cargo).
I have clover configured like this in the root pom.xml file:
When I run the build with mvn clean clover2:setup install clover2:aggregate clover2:clover I get no code coverage for my integration tests. I see that clover generates -clover jar files for each of my jar modules, but when I look at the war file in the target/clover directory of my war module it doesn't include the -clover jar files but the regular jar files. I assume that to get code coverage to work for my integration test cases that the war file needs to contain the -clover jar files. I didn't look just at the jar file names, I also looked inside the jar files to verify whether they contained the instrumented class files or not. They did not.
How do I get clover to use the -clover jar files in the war file?
1) Please do not use clover2:setup together with clover2:instrument. Both goals do exactly the same (instrument files), but the clover2:instrument performs this in a forked build life cycle (that's why there are *-clover.jar files produced) while the clover2:setup performs it in the default life cycle (so that jar files keeps their original name).
2) Please do not define <goal>aggregate</goal> target in the pom for multi-module Maven projects. Due to a bug in @aggregator implementation in Maven, such goal might not be executed as the last one. Instead of this, call clover2:aggregate from command line.
3) If you have doubts whether your war/jar file contains instrumented code, please check if you can find files named like 'MyClass$__CLR3_1_7bbh54znlh7.class' inside the jar.
I recommend the following:
A. don't define Clover goals in the pom.xml, just configuration, e.g.:
<plugin> <groupId>com.atlassian.maven.plugins</groupId> <artifactId>maven-clover2-plugin</artifactId> <version>3.1.10</version> <configuration> <!-- put configuration here, if needed --> </configuration> </plugin>
2. use clover2:setup instead of clover2:instrument, call Clover goals from command line, e.g.:
mvn clean clover2:setup install clover2:aggregate clover2:clover
One more tip:
As you're creating a WAR file I assume you will deploy it to a web server. In such case please make sure that clover.jar (com.cenqua.clover:clover) is available in server's class path. Usually it requires either:
You will also have to ensure that clover.db is available at runtime. The best would be to define an absolute path to clover.db and use a single database (as you have multi-module project I guess). For example:
<plugin> <groupId>com.atlassian.maven.plugins</groupId> <artifactId>maven-clover2-plugin</artifactId> <version>3.1.10</version> <configuration> <singleCloverDatabase>true</singleCloverDatabase> <cloverDatabase>/absolute/path/to/clover.db</cloverDatabase> </configuration> </plugin>
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