Sonar and Jacoco Maven Configuration

Background

Sonar: Static analysis for code coverage and code quality (bad practices, bugs, etc..)

Jacoco: Java code coverage tool which can generate code coverage reports and enforce code coverage thresholds.

POM Examples

Sonar configuration

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <sonar.host.url>http://sonar_url_here/</sonar.host.url>
    <sonar.exclusions>**/model/*</sonar.exclusions>
</properties>
...
...
<plugins>
    <plugin>
        <groupId>org.sonarsource.scanner.maven</groupId>
        <artifactId>sonar-maven-plugin</artifactId>
        <version>3.4.0.905</version>
    </plugin>
</plugins>

To run use: mvn sonar:sonar
Pass arguments: mvn sonar:sonar -Dsonar.host.url=<sonar_url>

Jacoco configuration

<plugin>
    <groupId>org.jacoco</groupId>
    <artifactId>jacoco-maven-plugin</artifactId>
    <version>0.7.8</version>
    <executions>
        <execution>
            <id>jacoco-initialize</id>
            <goals>
                <goal>prepare-agent</goal>
            </goals>
        </execution>
        <execution>
            <id>jacoco-report</id>
            <phase>test</phase>
            <goals>
                <goal>report</goal>
            </goals>
        </execution>
        <execution>
            <id>jacoco-check</id>
            <phase>test</phase>
            <goals>
                <goal>check</goal>
            </goals>
            <configuration>
                <rules>
                    <rule>
                        <element>PACKAGE</element>
                        <limits>
                            <limit>
                                <counter>LINE</counter>
                                <value>COVEREDRATIO</value>
                                <minimum>0.80</minimum>
                            </limit>
                        </limits>
                    </rule>
                </rules>
                <excludes>
                    <exclude>**/Main.class</exclude>
                    <exclude>**/model/**</exclude>
                </excludes>
            </configuration>
        </execution>
    </executions>
</plugin>