Hi Tim,
regarding your second point. JaCoCo by default uses on-the-fly
instrumentation. At this point in time there is no easy way to know
where the classes actually come from (e.g. project or 3rd party). So by
default JaCoCo collects coverage data for all classes not loaded by the
system classloader. The overhead is very small, so this shouldn't be an
issue.
Regards,
-marc
On 2014-09-25 19:07, Tim Webster wrote:
Hi,
As some of you know, since SonarQube changed to execute coverage
before analysis, they recommend to execute Jacoco like so:
mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent install
-Dmaven.test.failure.ignore=true
However, I need to include some parameters for the plugin (mainly
'includes' to make sure I don't instrument some 3rd party jars like
JIDE). Is there anyway to pass Jacoco parameters to the plugin
execution using the above format, or do I have to use the old
<argLine> thing and configure the plugin in the POM like so:
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<executions>
<execution>
<id>pre-unit-test</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<destFile>${project.build.directory}/coverage-reports/jacoco-ut.exec</destFile>
<propertyName>surefireArgLine</propertyName>
<includes>
<include>com.mycompany.*</include>
</includes>
</configuration>
My problem is the first method is a lot simpler, and I'm also having
problems getting the Coverage reports to show up in SonarQube using
the second method (which is probably a separate issue that I've not
fully investigated). My preference would be to use the first method.
Also - does Jacoco always try to instrument everything on the project
classpath by default, even classes that aren't part of the project
source, like 3rd party jars?
Thanks
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