This example demonstrates how to use the Clover plugin in a multiproject scenario (i.e. a master Maven project with several children modules. It also demonstrates how to perform Clover report aggregation and how functional tests can be accounted for in the Clove report.
Sources are available here.
To execute the project run mvn install to generate the Clover report.
Note: Because of a bug in Maven2 you'll need to run mvn install twice at the top level if you want to generate an aggregated report. This is because it currently works only if the Clover databases int he children exist prior to the top level project running the Clover report generation.