build: Adding Jacoco 🔧

pom.xml

@@ -1,5 +1,5 @@
 <?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"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
@@ -16,6 +16,7 @@
     <description>Demo project for Apero Tech</description>
     <properties>
         <java.version>17</java.version>
+        <jacoco-maven-plugin.version>0.8.9</jacoco-maven-plugin.version>
     </properties>
 
     <dependencyManagement>
@@ -146,6 +147,68 @@
                     </properties>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>${jacoco-maven-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>pre-unit-tests</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>post-unit-test</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>pre-integration-tests</id>
+                        <goals>
+                            <goal>prepare-agent-integration</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>post-integration-tests</id>
+                        <phase>post-integration-test</phase>
+                        <goals>
+                            <goal>report-integration</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>merge</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>merge</goal>
+                        </goals>
+                        <configuration>
+                            <fileSets>
+                                <fileSet implementation="org.apache.maven.shared.model.fileset.FileSet">
+                                    <directory>${project.basedir}</directory>
+                                    <includes>
+                                        <include>**/*.exec</include>
+                                    </includes>
+                                </fileSet>
+                            </fileSets>
+                            <destFile>target/jacoco/allTest.exec</destFile>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>post-merge-report</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                        <configuration>
+                            <dataFile>target/jacoco/allTest.exec</dataFile>
+                            <outputDirectory>target/jacoco/</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>