Integrate jacoco report

Author: kaytran2992

.github/workflows/BuildTest.yml

@@ -10,10 +10,12 @@ on:
     pull_request:
       branches:
         - 'staging'
-
 jobs:
   build_test:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -68,10 +70,25 @@ jobs:
           path: lib/build/test-results/testDebugUnitTest
 
       - name: Run Lib Compose Unit Test
-        run: ./gradlew lib-compose:testDebugUnitTest
+        run: ./gradlew lib-compose:jacocoTestReport
 
       - name: Upload Lib Compose Test Results
         uses: actions/upload-artifact@v4
         with:
           name: lib-compose-test-results
-          path: lib-compose/build/test-results/testDebugUnitTest
+          path: lib-compose/build/reports/jacoco/jacocoTestReport
+
+      - name: Jacoco Report to PR
+        if: github.event.pull_request.base.ref == 'epic/**'
+        id: jacoco
+        uses: madrapps/[email protected]
+        with:
+          paths: ${{ github.workspace }}/**/build/reports/jacoco/jacocoTestReport/jacocoTestReport.xml
+          token: ${{ secrets.GITHUB_TOKEN }}
+          min-coverage-overall: 40
+          min-coverage-changed-files: 60
+          title: ':lobster: Coverage Report'
+          update-comment: true
+          pass-emoji: ':green_square:'
+          fail-emoji: ':red_square:'
+          debug-mode: true

build.gradle.kts

@@ -5,6 +5,7 @@ buildscript {
         classpath(libs.ktlint.gradle)
         classpath(libs.sonarqube.gradle.plugin)
         classpath(libs.kotlin.gradle.plugin)
+        classpath(libs.jacoco.core)
     }
 }
 

gradle/libs.versions.toml

@@ -21,6 +21,7 @@ junit4 = "4.13.2"
 mockk = "1.13.10"
 androidxCoreTesting = "1.6.1"
 androidArchCoreTesting = "2.2.0"
+jacocoVersion = "0.8.11"
 
 #Compose
 androidxComposeBom = "2024.10.00"
@@ -66,6 +67,7 @@ androidx-core-testing = { module = "androidx.arch.core:core-testing", version.re
 junit4 = { group = "junit", name = "junit", version.ref = "junit4" }
 mockk = { group = "io.mockk", name = "mockk", version.ref = "mockk" }
 truth = { module = "com.google.truth:truth", version.ref = "truth" }
+jacoco-core = { module = "org.jacoco:org.jacoco.core", version.ref = "jacocoVersion" }
 
 #Compose
 androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "androidxComposeBom" }
@@ -106,4 +108,5 @@ compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "
 dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
 maven-publish = { id = "maven-publish" }
 signing = { id = "signing" }
-kotlin-parcelize = { id = "kotlin-parcelize" }
+kotlin-parcelize = { id = "kotlin-parcelize" }
+jacoco = { id = "jacoco" }

lib-compose/build.gradle.kts

@@ -8,6 +8,7 @@ plugins {
     alias(libs.plugins.dokka)
     alias(libs.plugins.compose.compiler)
     id(libs.plugins.kotlin.parcelize.get().pluginId)
+    id(libs.plugins.jacoco.get().pluginId)
 }
 
 /**
@@ -38,6 +39,9 @@ android {
                 "proguard-rules.pro"
             )
         }
+        debug {
+            enableUnitTestCoverage = true
+        }
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -59,6 +63,39 @@ android {
     }
 }
 
+jacoco {
+    toolVersion = libs.versions.jacocoVersion.get()
+}
+
+tasks.register<JacocoReport>("jacocoTestReport") {
+    dependsOn(tasks.withType<Test>().named("testDebugUnitTest"))
+
+    reports {
+        xml.required.set(true)
+        html.required.set(true)
+    }
+
+    val fileFilter = listOf(
+        "**/R.class",
+        "**/R$*.class",
+        "**/BuildConfig.*",
+        "**/Manifest*.*"
+    )
+
+    val javaTree = fileTree("${buildDir}/intermediates/javac/debug") {
+        exclude(fileFilter)
+    }
+    val kotlinTree = fileTree("${buildDir}/tmp/kotlin-classes/debug") {
+        exclude(fileFilter)
+    }
+
+    sourceDirectories.setFrom(files("${project.projectDir}/src/main/java", "${project.projectDir}/src/main/kotlin"))
+    classDirectories.setFrom(files(javaTree, kotlinTree))
+    executionData.setFrom(fileTree("${buildDir}/outputs/unit_test_code_coverage/debugUnitTest").apply {
+        include("testDebugUnitTest.exec")
+    })
+}
+
 tasks.register("checkSnapshotDependencies") {
     doLast {
         val snapshotDependencies = allprojects.flatMap { project ->