ci(automation): pre-ci setup

ilp-rest-service/build.gradle

@@ -2,6 +2,7 @@ plugins {
 	id 'java'
 	id 'org.springframework.boot' version '3.5.6'
 	id 'io.spring.dependency-management' version '1.1.7'
+    id 'jacoco'
 }
 
 group = 'io.github.js0ny'
@@ -26,6 +27,56 @@ dependencies {
 
 }
 
+jacoco {
+    toolVersion = "0.8.12"
+}
+
 tasks.named('test') {
 	useJUnitPlatform()
+    finalizedBy jacocoTestReport
 }
+
+jacocoTestReport {
+    dependsOn test
+    
+    reports {
+        xml.required = true  
+        html.required = true
+    }
+
+    afterEvaluate {
+            classDirectories.setFrom(files(classDirectories.files.collect {
+                fileTree(dir: it, exclude: [
+                    '**/IlpCourseworkApplication.class', 
+                    '**/config/*',
+                    '**/data/*',
+                    '**/util/*'
+                ])
+            }))
+        }
+}
+
+jacocoTestCoverageVerification {
+    violationRules {
+        rule {
+            element = 'CLASS'
+            
+            excludes = [
+                'io.github.js0ny.IlpCourseworkApplication',
+                '**.config.**',
+                '**.data.**',
+                '**.util.**'
+            ]
+
+            limit {
+                counter = 'BRANCH'
+                value = 'COVEREDRATIO'
+
+                // minimum = 0.50 
+            }
+        }
+    }
+}
+
+
+check.dependsOn jacocoTestCoverageVerification