pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.praveen.samples.jacoco.multimodule</groupId>
  <artifactId>jacoco-multi-module-sample</artifactId>
  <packaging>pom</packaging>
  <version>1.0-SNAPSHOT</version>

  <name>jacoco-multi-module-sample</name>
  <description>Example to show how to merge test reports of unit, integration and functional tests
    onto one combined jacoco report.
  </description>

  <modules>
    <module>module1</module>
    <module>module2</module>
    <module>module3</module>
  </modules>

  <properties>
    <skip.unit.tests>false</skip.unit.tests>
    <skip.integration.tests>true</skip.integration.tests>
    <itCoverageAgent></itCoverageAgent>
    <build-helper-maven-plugin.version>3.1.0</build-helper-maven-plugin.version>
    <maven-failsafe-plugin.version>2.18.1</maven-failsafe-plugin.version>
    <jacoco-maven-plugin.version>0.8.3</jacoco-maven-plugin.version>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <code.coverage.project.folder>${basedir}/../</code.coverage.project.folder>
    <code.coverage.overall.data.folder>${basedir}/target/</code.coverage.overall.data.folder>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <profiles>
    <!-- profile for Unit test only -->
    <profile>
      <id>unit</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
    </profile>
    <!--profile for Integration test only -->
    <profile>
      <id>integration-test</id>
      <properties>
        <skip.integration.tests>false</skip.integration.tests>
        <skip.unit.tests>true</skip.unit.tests>
      </properties>
    </profile>
    <!-- Both Unit and Integration tests combined -->
    <profile>
      <id>testAll</id>
      <properties>
        <skip.integration.tests>false</skip.integration.tests>
        <skip.unit.tests>false</skip.unit.tests>
      </properties>
    </profile>
  </profiles>

  <build>
    <plugins>

      <!-- UNIT test 'mvn clean install' (optionally: -P unit) by default skips Integration tests-->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.19.1</version>
        <configuration>
          <skipTests>${skip.unit.tests}</skipTests>
          <excludes>
            <exclude>**/*IntegrationTest.java</exclude>
          </excludes>
          <forkCount>1</forkCount>
        </configuration>
      </plugin>

      <!-- INTEGRATION test via 'mvn clean install -P integration-test -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-failsafe-plugin</artifactId>
        <version>${maven-failsafe-plugin.version}</version>
        <executions>
          <execution>
            <id>integration-tests</id>
            <goals>
              <goal>integration-test</goal>
              <goal>verify</goal>
            </goals>
            <configuration>
              <skipTests>${skip.integration.tests}</skipTests>
              <includes>
                <include>**/*IntegrationTest.java</include>
              </includes>
              <reuseForks>true</reuseForks>
              <!-- When running as a Maven plugin, the JaCoCo agent configuration is prepared by invoking the prepare-agent
              or prepare-agent-integration goals, before the actual tests are run. This sets a property named argLine which
              points to the JaCoCo agent, later passed as a JVM argument to the test runner -->
              <argLine>${itCoverageAgent}</argLine>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <!-- findbugs for code quality -->
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>findbugs-maven-plugin</artifactId>
        <version>3.0.4</version>
      </plugin>

      <!-- jacoco agent for code coverage -->
      <plugin>
        <groupId>org.jacoco</groupId>
        <artifactId>jacoco-maven-plugin</artifactId>
        <version>${jacoco-maven-plugin.version}</version>
        <executions>
          <execution>
            <id>prepare-unit-tests</id>
            <goals>
              <goal>prepare-agent</goal>
            </goals>
          </execution>
          <!-- prepare agent before integration tests -->
          <execution>
            <id>prepare-agent</id>
            <goals>
              <goal>prepare-agent</goal>
            </goals>
            <phase>pre-integration-test</phase>
            <configuration>
              <propertyName>itCoverageAgent</propertyName>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>

  </build>
</project>