Replace Jacoco with Kover for code coverage reporting

Author: sraptis-scy

document-manager/build.gradle.kts

@@ -30,11 +30,7 @@ plugins {
     alias(libs.plugins.dependencycheck)
     alias(libs.plugins.sonarqube)
     alias(libs.plugins.maven.publish)
-    jacoco
-}
-
-jacoco {
-    toolVersion = libs.versions.jacoco.get()
+    alias(libs.plugins.kover)
 }
 
 val NAMESPACE: String by project
@@ -93,13 +89,6 @@ android {
         }
     }
 
-    // Register Jacoco tasks for each variant
-    androidComponents {
-        onVariants { variant ->
-            createJacocoTasks(variant.name)
-        }
-    }
-
     kotlinOptions {
         jvmTarget = libs.versions.java.get()
         freeCompilerArgs += listOf(
@@ -236,111 +225,7 @@ afterEvaluate {
     }
 }
 
-// Jacoco Tasks
-
-val coverageExclusions = listOf(
-    "**/databinding/*Binding.*",
-    "**/R.class",
-    "**/R$*.class",
-    "**/BuildConfig.*",
-    "**/Manifest*.*",
-    "**/*Test*.*",
-    "android/**/*.*",
-    // butterKnife
-    "**/*\$ViewInjector*.*",
-    "**/*\$ViewBinder*.*",
-    "**/Lambda\$*.class",
-    "**/Lambda.class",
-    "**/*Lambda.class",
-    "**/*Lambda*.class",
-    "**/*_MembersInjector.class",
-    "**/Dagger*Component*.*",
-    "**/*Module_*Factory.class",
-    "**/di/module/*",
-    "**/*_Factory*.*",
-    "**/*Module*.*",
-    "**/*Dagger*.*",
-    "**/*Hilt*.*",
-    // kotlin
-    "**/*MapperImpl*.*",
-    "**/*\$ViewInjector*.*",
-    "**/*\$ViewBinder*.*",
-    "**/BuildConfig.*",
-    "**/*Component*.*",
-    "**/*BR*.*",
-    "**/Manifest*.*",
-    "**/*\$Lambda\$*.*",
-    "**/*Companion*.*",
-    "**/*Module*.*",
-    "**/*Dagger*.*",
-    "**/*Hilt*.*",
-    "**/*MembersInjector*.*",
-    "**/*_MembersInjector.class",
-    "**/*_Factory*.*",
-    "**/*_Provide*Factory*.*",
-    "**/*Extensions*.*"
-)
+
 
 fun String.capitalize() =
     replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }
-
-fun createJacocoTasks(variantName: String) {
-    val testTaskName = "test${variantName.capitalize()}UnitTest"
-    val taskName = "${testTaskName}Coverage"
-    val javaClasses = layout.buildDirectory.dir("intermediates/javac/${variantName}")
-        .get().asFileTree.matching {
-            exclude(coverageExclusions)
-        }
-    val kotlinClasses = layout.buildDirectory.dir("tmp/kotlin-classes/${variantName}")
-        .get().asFileTree.matching {
-            exclude(coverageExclusions)
-        }
-    val sourceDirs = files(
-        "$projectDir/src/main/java",
-        "$projectDir/src/main/kotlin",
-        "$projectDir/src/${variantName}/java",
-        "$projectDir/src/${variantName}/kotlin"
-    )
-    val executionDataVariant =
-        layout.buildDirectory.file("/outputs/unit_test_code_coverage/${variantName}UnitTest/${testTaskName}.exec")
-            .get().asFile
-
-    val reportTask = tasks.register<JacocoReport>(taskName) {
-        group = "reporting"
-        description = "Generate Jacoco coverage reports for the $variantName build."
-        dependsOn(testTaskName)
-        reports {
-            xml.required = true
-            html.required = true
-        }
-        sourceDirectories.setFrom(sourceDirs)
-        classDirectories.setFrom(javaClasses, kotlinClasses)
-        executionData.setFrom(executionDataVariant)
-
-        doLast {
-            layout.buildDirectory.file("reports/jacoco/${taskName}/html/index.html")
-                .get()
-                .asFile
-                .readText()
-                .let { Regex("Total[^%]*>(\\d?\\d?\\d?%)").find(it) }
-                ?.let { println("Test coverage: ${it.groupValues[1]}") }
-        }
-    }
-    tasks.register<JacocoCoverageVerification>("${testTaskName}CoverageVerification") {
-        group = "reporting"
-        description = "Verifies Jacoco coverage for the $variantName build."
-        dependsOn(reportTask.name)
-
-        violationRules {
-            rule {
-                limit {
-                    minimum = 80.toBigDecimal()
-                }
-            }
-        }
-
-        classDirectories.setFrom(kotlinClasses, javaClasses)
-        sourceDirectories.setFrom(sourceDirs)
-        executionData.setFrom("${layout.buildDirectory.get()}$executionDataVariant")
-    }
-}

gradle.properties

@@ -40,7 +40,7 @@ android.nonTransitiveRClass=true
 
 systemProp.sonar.host.url=https://sonarcloud.io
 systemProp.sonar.gradle.skipCompile=true
-systemProp.sonar.coverage.jacoco.xmlReportPaths=build/reports/jacoco/testDebugUnitTestCoverage/testDebugUnitTestCoverage.xml,build/reports/jacoco/testReleaseUnitTestCoverage/testReleaseUnitTestCoverage.xml
+systemProp.sonar.coverage.reportPaths=build/reports/kover/xml/report.xml
 systemProp.sonar.projectName=eudi-lib-android-wallet-document-manager
 VERSION_NAME=0.12.1-SNAPSHOT
 

gradle/libs.versions.toml

@@ -6,7 +6,6 @@ cose = "1.1.0"
 dependency-license-report = "2.9"
 dependencycheck = "12.1.3"
 dokka = "1.9.20"
-jacoco = "0.8.12"
 java = "17"
 json = "20250517"
 kotlin = "2.1.21"
@@ -20,6 +19,7 @@ sonarqube = "6.2.0.5505"
 eudi-sd-jwt-vc-kt = "0.10.0"
 nimbus = "9.47"
 ktor = "3.3.0"
+kover = "0.9.1"
 
 [libraries]
 bouncy-castle-pkix = { module = "org.bouncycastle:bcpkix-jdk18on", version.ref = "bouncy-castle" }
@@ -50,3 +50,4 @@ kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 maven-publish = { id = "com.vanniktech.maven.publish", version.ref = "mavenPublish" }
 sonarqube = { id = "org.sonarqube", version.ref = "sonarqube" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
+kover = { id = "org.jetbrains.kotlinx.kover", version.ref = "kover" }