Generate aggregate coverage report and import it into Sonar

Author: Godin

build.gradle.kts

@@ -232,6 +232,18 @@ sonarqube {
     }
 }
 
+subprojects {
+    sonarqube.properties {
+        property(
+            "sonar.coverage.jacoco.xmlReportPaths",
+            listOf(
+                "build/reports/jacoco/test/jacocoTestReport.xml",
+                "${project.rootDir}/sonar-kotlin-plugin/build/reports/jacoco/testCodeCoverageReport/testCodeCoverageReport.xml"
+            ).joinToString(",")
+        )
+    }
+}
+
 artifactory {
     clientConfig.info.buildName = "sonar-kotlin"
     clientConfig.info.buildNumber = System.getenv("BUILD_NUMBER")

sonar-kotlin-plugin/build.gradle.kts

@@ -6,6 +6,7 @@ import java.util.jar.JarInputStream
 plugins {
     id("com.gradleup.shadow") version "8.3.1"
     kotlin("jvm")
+    id("jacoco-report-aggregation")
 }
 
 dependencies {
@@ -141,3 +142,8 @@ fun checkJarEntriesPathUniqueness(file: File) {
         throw GradleException("Duplicated entries in the jar: '${file.path}': ${duplicatedNames.joinToString(", ")}")
     }
 }
+
+tasks.check {
+    // Generate aggregate coverage report
+    dependsOn(tasks.named<JacocoReport>("testCodeCoverageReport"))
+}