This is the documentation for Clover 4.0. View this page for the

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of Clover, or visit the latest Clover documentation.

The Maven 2 and 3 Clover plugin produces Clover reports from Maven 2 and 3 projects.

Maven Site Documentation

For documentation presented in the standard Maven format, see the Maven Site Docs.

 

On this page:

Basic Usage

How to quickly set up basic Clover configuration in settings.xml and pom.xml and run Clover's goals from a command line.

Configuring instrumentation

How to set which source files shall be instrumented, control level of instrumentation, set JDK level and location of coverage data.

Configuring reports

How to choose report formats, generate historical reports and customize report content.

Configuring a coverage goal

How to set a coverage level as a quality gate and fail a build if it drops below certain threshold or drops compared to a previous build.

Using Test Optimization

Test Optimization saves valuable time in the build and test cycle, by only running tests that cover code which has changed since the last build.

Working with distributed systems

Working with multi-module projects

You can use the clover2:aggregate goal to combine the Clover databases of child projects into a single database at the parent project level.

You can also create a single database for all modules with singleCloverDatabase parameter set to true in clover2:setup goal.

Because of this Maven bug, aggregation of databases occurs before the child databases have been generated, when you use the site target.

You can create Clover reports for a multi-module project with the command line mvn clover2:setup test clover2:aggregate clover2:clover.

Best practices

Using Clover with other Maven plug-ins

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