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<span class="el_source">Maven Plug-in</span>
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<h1>Maven Plug-in</h1>
<p>
The JaCoCo <a href="http://maven.apache.org/">Maven</a> plug-in provides the
JaCoCo runtime agent to your tests and allows basic report creation.
</p>
<p class="hint">
If you want to have line number information included in the coverage reports
or you want source code highlighting the class files of the test target must
be compiled with debug information.
</p>
<p class="hint">
When using the <tt>maven-surefire-plugin</tt> or <tt>maven-failsafe-plugin</tt>
you <b>must not</b> use a
<a href="http://maven.apache.org/surefire/maven-surefire-plugin/test-mojo.html#forkCount">
<tt>forkCount</tt></a> of <tt>0</tt> or set the
<a href="http://maven.apache.org/surefire/maven-surefire-plugin/test-mojo.html#forkMode">
<tt>forkMode</tt></a> to <tt>never</tt> as this would prevent the execution of
the tests with the <tt>javaagent</tt> set and no coverage would be recorded.
</p>
<h2>Example</h2>
<ul>
<li>
The JaCoCo distribution contains a simple example how code coverage
can be added to a Maven project.</li>
<li>
This <a href="examples/build/pom.xml">POM file</a>
for a JAR project runs JUnit tests under code coverage and creates a coverage
report (<tt>target/site/jacoco/index.html</tt>).
</li>
<li>
This <a href="examples/build/pom-it.xml">POM file</a>
for a JAR project runs unit tests and integration tests under code coverage
and creates two coverage reports, one for unit tests (
<tt>target/site/jacoco/index.html</tt>) and one for integration tests (
<tt>target/site/jacoco-it/index.html</tt>).
</li>
<li>
The complete example is located in the <code>./doc/examples/build</code>
folder of the distribution.
</li>
</ul>
<h2>Prerequisites</h2>
<p>
The JaCoCo Maven plug-in requires
</p>
<ul>
<li>Maven 2.1.0 or higher and</li>
<li>Java 1.5 or higher (for both, the Maven runtime and the test executor).</li>
</ul>
<h2>Usage</h2>
<p>
The Maven plug-in can be included in your build with the following
declaration. Please check
<a href="http://search.maven.org/#search|ga|1|g%3Aorg.jacoco%20a%3Ajacoco-maven-plugin">here</a>
for the latest release version in the repository.
</p>
<pre class="source lang-xml linenums">
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>@project.version@</version>
</plugin>
</pre>
<p>
To receive a full list of goals and available parameters you can use
<code>maven-help-plugin</code>:
</p>
<pre>
mvn help:describe -Dplugin=org.jacoco:jacoco-maven-plugin -Ddetail
</pre>
<h2>Goals</h2>
<p>
The JaCoCo Maven plug-in defines the following goals:
</p>
<ul>
<li><a href="help-mojo.html">help</a></li>
<li><a href="prepare-agent-mojo.html">prepare-agent</a></li>
<li><a href="prepare-agent-integration-mojo.html">prepare-agent-integration</a></li>
<li><a href="merge-mojo.html">merge</a></li>
<li><a href="report-mojo.html">report</a></li>
<li><a href="report-integration-mojo.html">report-integration</a></li>
<li><a href="check-mojo.html">check</a></li>
<li><a href="dump-mojo.html">dump</a></li>
<li><a href="instrument-mojo.html">instrument</a></li>
<li><a href="restore-instrumented-classes-mojo.html">restore-instrumented-classes</a></li>
</ul>
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