Upload test coverage to codecov. (#25)

Upload test coverage to codecov.

.github/workflows/verify.yaml

@@ -45,13 +45,17 @@ jobs:
         timeout-minutes: 10
         env:
           INTEGRATION_TEST: true
+          JACOCO: "true"
 
       - name: 'Publish Test Results'
         uses: EnricoMi/publish-unit-test-result-action@v1
         if: always()
         with:
           files: "**/test-results/**/*.xml"
 
+      - name: CodeCov
+        uses: codecov/codecov-action@v3
+
       - name: 'docker-compose logs'
         run: docker-compose -f system-tests/tests/docker-compose.yml logs
         if: always()

build.gradle.kts

@@ -19,6 +19,7 @@ plugins {
     `maven-publish`
     id("org.gradle.crypto.checksum") version "1.4.0"
     id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
+    jacoco
 }
 
 repositories {
@@ -84,6 +85,8 @@ subprojects{
 allprojects {
     apply(plugin = "maven-publish")
 
+    apply(plugin = "java")
+
     version = projectVersion
     group = projectGroup
 
@@ -147,13 +150,26 @@ allprojects {
         }
     }
 
-    tasks.withType<Test> {
+    tasks.test {
         useJUnitPlatform()
         testLogging {
             showStandardStreams = true
         }
     }
 
+    if (System.getenv("JACOCO") == "true") {
+        apply(plugin = "jacoco")
+        tasks.test {
+            finalizedBy(tasks.jacocoTestReport)
+        }
+        tasks.jacocoTestReport {
+            reports {
+                // Generate XML report for codecov.io
+                xml.required.set(true)
+            }
+        }
+    }
+
     // EdcRuntimeExtension uses this to determine the runtime classpath of the module to run.
     tasks.register("printClasspath") {
         doLast {