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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.mohsin.sonar</groupId>
  <artifactId>maven-multimodule-sonar-scanner</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>pom</packaging>

  <name>multi-module maven project with sonar-scanner cli</name>

  <modules>
    <module>module1</module>
    <module>module2</module>
    <module>tests</module>

    <!-- create report-bundle to aggregate report. this is needed for sonar when working with multimodule maven projects
      for multimodule projects
      1.  report-bundle should define all modules as dependency.
      2.  define jacoco report-aggregate goal.
     -->
    <module>report-bundle</module>
  </modules>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <maven.compiler.target>1.8</maven.compiler.target>
    <maven.compiler.source>1.8</maven.compiler.source>
    <jacoco-maven-plugin.version>0.8.5</jacoco-maven-plugin.version>
    <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
    <maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>
    <skip.unit.tests>false</skip.unit.tests>
    <skip.integration.tests>false</skip.integration.tests>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.1</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>${maven-surefire-plugin.version}</version>
          <configuration>
            <!-- Sets the VM argument line used when unit tests are run. -->
            <!--<argLine>${surefireArgLine}</argLine>-->
            <!-- Skips unit tests if the value of skip.unit.tests property is true -->
            <skipTests>${skip.unit.tests}</skipTests>
            <!-- Excludes integration tests when unit tests are run. -->
            <excludes>
              <exclude>**/*IT.java</exclude>
            </excludes>
            <!--<excludedGroups>com.mohsin.sonar.it</excludedGroups> used with @Category annotation-->
          </configuration>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-failsafe-plugin</artifactId>
          <version>${maven-failsafe-plugin.version}</version>
          <executions>
            <!--Ensures that both integration-test and verify goals of the Failsafe Maven plugin are executed.-->
            <execution>
              <goals>
                <goal>integration-test</goal>
                <goal>verify</goal>
              </goals>
              <configuration>
                <!-- Sets the VM argument line used when integration tests are run. -->
                <!--<argLine>${failsafeArgLine}</argLine>-->
                <!--Skips integration tests if the value of skip.integration.tests property is true -->
                <skipTests>${skip.integration.tests}</skipTests>
              </configuration>
            </execution>
          </executions>
        </plugin>

        <plugin>
          <groupId>org.jacoco</groupId>
          <artifactId>jacoco-maven-plugin</artifactId>
          <version>${jacoco-maven-plugin.version}</version>
          <configuration>
            <excludes>
              <exclude>**/*com/mohsin/sonar/MavenBasicApplication.class</exclude>
            </excludes>
            <includes>
            </includes>
            <append>true</append>
          </configuration>
          <executions>
            <!--Prepares the property pointing to the JaCoCo runtime agent which is passed as VM argument when Maven the Surefire plugin is executed.-->
            <execution>
              <id>pre-unit-test</id>
              <goals>
                <goal>prepare-agent</goal>
              </goals>
              <configuration>
                <!-- Sets the name of the property containing the settings for JaCoCo runtime agent.-->
                <!--<propertyName>surefireArgLine</propertyName>-->
              </configuration>
            </execution>
            <!-- Ensures that the code coverage report for unit tests is created after unit tests have been run.-->
            <execution>
              <id>post-unit-test</id>
              <phase>test</phase>
              <goals>
                <goal>report</goal>
              </goals>
            </execution>
            <!-- Prepares the property pointing to the JaCoCo runtime agent which is passed as VM argument when Maven the Failsafe plugin is executed.-->
            <execution>
              <id>pre-integration-test</id>
              <phase>pre-integration-test</phase>
              <goals>
                <goal>prepare-agent</goal>
              </goals>
              <configuration>
                <!--Sets the name of the property containing the settings for JaCoCo runtime agent.-->
                <!--<propertyName>failsafeArgLine</propertyName>-->
              </configuration>
            </execution>
            <!--Ensures that the code coverage report for integration tests after integration tests have been run.-->
            <execution>
              <id>post-integration-test</id>
              <phase>post-integration-test</phase>
              <goals>
                <goal>report</goal>
              </goals>
            </execution>
          </executions>
        </plugin>
      </plugins>
  </build>
</project>