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10  <title>JaCoCo - Maven Plug-in</title>
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15  <a href="../index.html" class="el_report">JaCoCo</a> &gt;
16  <a href="index.html" class="el_group">Documentation</a> &gt;
17  <span class="el_source">Maven Plug-in</span>
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19<div id="content">
20
21<h1>Maven Plug-in</h1>
22
23<p>
24  The JaCoCo <a href="http://maven.apache.org/">Maven</a> plug-in provides the
25  JaCoCo runtime agent to your tests and allows basic report creation.
26</p>
27
28<p class="hint">
29  If you want to have line number information included in the coverage reports
30  or you want source code highlighting the class files of the test target must
31  be compiled with debug information.
32</p>
33
34<p class="hint">
35  When using the <tt>maven-surefire-plugin</tt> or <tt>maven-failsafe-plugin</tt>
36  you <b>must not</b> use a
37  <a href="http://maven.apache.org/surefire/maven-surefire-plugin/test-mojo.html#forkCount">
38  <tt>forkCount</tt></a> of <tt>0</tt> or set the
39  <a href="http://maven.apache.org/surefire/maven-surefire-plugin/test-mojo.html#forkMode">
40  <tt>forkMode</tt></a> to <tt>never</tt> as this would prevent the execution of
41  the tests with the <tt>javaagent</tt> set and no coverage would be recorded.
42</p>
43
44<h2>Example</h2>
45
46<ul>
47  <li>
48    The JaCoCo distribution contains a simple example how code coverage
49    can be added to a Maven project.</li>
50  <li>
51    This <a href="examples/build/pom.xml">POM file</a>
52    for a JAR project runs JUnit tests under code coverage and creates a coverage
53    report (<tt>target/site/jacoco/index.html</tt>).
54  </li>
55  <li>
56    This <a href="examples/build/pom-it.xml">POM file</a>
57    for a JAR project runs unit tests and integration tests under code coverage
58    and creates two coverage reports, one for unit tests (
59    <tt>target/site/jacoco/index.html</tt>) and one for integration tests (
60    <tt>target/site/jacoco-it/index.html</tt>).
61  </li>
62  <li>
63  The complete example is located in the <code>./doc/examples/build</code>
64  folder of the distribution.
65  </li>
66</ul>
67
68
69<h2>Prerequisites</h2>
70
71<p>
72  The JaCoCo Maven plug-in requires
73</p>
74
75<ul>
76  <li>Maven 2.1.0 or higher and</li>
77  <li>Java 1.5 or higher (for both, the Maven runtime and the test executor).</li>
78</ul>
79
80
81<h2>Usage</h2>
82
83<p>
84  The Maven plug-in can be included in your build with the following
85  declaration. Please check
86  <a href="http://search.maven.org/#search|ga|1|g%3Aorg.jacoco%20a%3Ajacoco-maven-plugin">here</a>
87  for the latest release version in the repository.
88</p>
89
90<pre class="source lang-xml linenums">
91&lt;plugin&gt;
92  &lt;groupId&gt;org.jacoco&lt;/groupId&gt;
93  &lt;artifactId&gt;jacoco-maven-plugin&lt;/artifactId&gt;
94  &lt;version&gt;@project.version@&lt;/version&gt;
95&lt;/plugin&gt;
96</pre>
97
98<p>
99  To receive a full list of goals and available parameters you can use
100  <code>maven-help-plugin</code>:
101</p>
102<pre>
103mvn help:describe -Dplugin=org.jacoco:jacoco-maven-plugin -Ddetail
104</pre>
105
106<h2>Goals</h2>
107
108<p>
109  The JaCoCo Maven plug-in defines the following goals:
110</p>
111
112<ul>
113  <li><a href="help-mojo.html">help</a></li>
114  <li><a href="prepare-agent-mojo.html">prepare-agent</a></li>
115  <li><a href="prepare-agent-integration-mojo.html">prepare-agent-integration</a></li>
116  <li><a href="merge-mojo.html">merge</a></li>
117  <li><a href="report-mojo.html">report</a></li>
118  <li><a href="report-integration-mojo.html">report-integration</a></li>
119  <li><a href="check-mojo.html">check</a></li>
120  <li><a href="dump-mojo.html">dump</a></li>
121  <li><a href="instrument-mojo.html">instrument</a></li>
122  <li><a href="restore-instrumented-classes-mojo.html">restore-instrumented-classes</a></li>
123</ul>
124
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127  <span class="right"><a href="@jacoco.home.url@">JaCoCo</a> @qualified.bundle.version@</span>
128  <a href="license.html">Copyright</a> &copy; @copyright.years@ Mountainminds GmbH &amp; Co. KG and Contributors
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