JaCoCo JavaコードカバレッジMavenの例

<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.techfou</groupId>
    <artifactId>MathOperations</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>Mathematical Operations</name>

    <properties>
        <jacoco.version>0.7.5.201505241946</jacoco.version>
        <junit.version>4.12</junit.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <skipMain>true</skipMain>
                    <skip>true</skip>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.jacoco</groupId>
                <artifactId>jacoco-maven-plugin</artifactId>
                <version>${jacoco.version}</version>
                <executions>
                    <execution>
                        <id>prepare-agent</id>
                        <goals>
                            <goal>prepare-agent</goal>
                        </goals>
                    </execution>
                    <execution>
                        <id>report</id>
                        <phase>prepare-package</phase>
                        <goals>
                            <goal>report</goal>
                        </goals>
                    </execution>
                    <execution>
                        <id>post-unit-test</id>
                        <phase>test</phase>
                        <goals>
                            <goal>report</goal>
                        </goals>
                        <configuration>
                            <!-- Sets the path to the file which contains the execution data. -->

                            <dataFile>target/jacoco.exec</dataFile>
                            <!-- Sets the output directory for the code coverage report. -->
                            <outputDirectory>target/jacoco-ut</outputDirectory>
                        </configuration>
                    </execution>
                </executions>
                <configuration>
                    <systemPropertyVariables>
                        <jacoco-agent.destfile>target/jacoco.exec</jacoco-agent.destfile>
                    </systemPropertyVariables>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

package math.operation;

public class ArithmeticOperations {

    public Integer add(Integer a, Integer b)
    {
        return a+b;
    }

}

package math.operation;

import org.junit.Test;
import static org.junit.Assert.assertEquals;

public class ArithmeticOperationsTest {

    @Test
    public void testAdd()
    {
        ArithmeticOperations operations = new ArithmeticOperations();
        Integer actual = operations.add(2, 6);
        Integer expected = 8;
        assertEquals(expected, actual);
    }

}