Adding JaCoCo coverage.

Author: jwcarman

.github/workflows/maven.yml

@@ -30,4 +30,4 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-      run: mvn -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=jwcarman_adventofcode2024
+      run: mvn -Pci -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=jwcarman_adventofcode2024

pom.xml

@@ -32,6 +32,7 @@
         <kotlin.version>2.1.0</kotlin.version>
 
         <assertj.version>3.26.3</assertj.version>
+        <jacoco.version>0.8.12</jacoco.version>
         <junit.version>5.11.3</junit.version>
         <kotest.version>5.9.1</kotest.version>
 
@@ -132,4 +133,38 @@
         </dependency>
     </dependencies>
 
+    <profiles>
+        <profile>
+            <id>ci</id>
+            <build>
+                <plugins>
+                    <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>
+                                <goals>
+                                    <goal>report</goal>
+                                </goals>
+                                <configuration>
+                                    <formats>
+                                        <format>XML</format>
+                                    </formats>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
 </project>