Merge pull request #11 from secure-software-engineering/test_coverage

added jacoco test report

Author: palaniappan1

build.gradle.kts

@@ -2,6 +2,8 @@ plugins {
     kotlin("jvm") version "2.0.0"
     id("com.diffplug.spotless") version "8.3.0"
     id("io.gitlab.arturbosch.detekt") version "1.23.8"
+    java
+    jacoco
 }
 
 group = "fair"
@@ -78,9 +80,29 @@ tasks.register<JavaExec>("debugFair") {
 
 tasks.test {
     useJUnitPlatform()
+    finalizedBy(tasks.jacocoTestReport) // always generate report after tests
     maxHeapSize = "4g"
 }
 
+tasks.jacocoTestReport {
+    dependsOn(tasks.test) // ensure tests run first
+
+    reports {
+        xml.required.set(true) // for CI tools
+        html.required.set(true) // this is the index.html you want
+        csv.required.set(false)
+    }
+}
+
+tasks.register("testCoverage") {
+    group = "verification"
+    description = "Runs tests and generates JaCoCo coverage report"
+    dependsOn("test", "jacocoTestReport")
+    doLast {
+        println("Check the reports in build/reports/jacoco/test/html/index.html")
+    }
+}
+
 tasks.register<Test>("debug") {
     group = "verification"
     description = "Run tests and generate IntelliJ debug configs for failing assertions"