CI: add jacoco reports

Author: Ariouz

.github/workflows/coverage.yml

@@ -8,7 +8,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Run tests and collect coverage
-        run: mvn -B test
+        run: mvn -B test jacoco:report
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5

pom.xml

@@ -112,6 +112,26 @@
                 </executions>
             </plugin>
 
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.10</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
         </plugins>
     </build>