Add CI

Author: samuelchemla

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: Android CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Run Unit Tests and Generate Coverage
+        run: ./gradlew testFreeVersionDebugUnitTest jacocoTestReport
+
+      - name: Upload Coverage Report
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: app/build/reports/jacoco/jacocoTestReport/html/

app/build.gradle

@@ -4,6 +4,7 @@ plugins {
     id 'org.jetbrains.kotlin.plugin.serialization'
     id 'com.google.devtools.ksp'
     id 'org.jetbrains.kotlin.plugin.compose'
+    id 'jacoco'
 }
 
 kotlin {
@@ -36,6 +37,9 @@ android {
             shrinkResources = true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
+        debug {
+            enableUnitTestCoverage true
+        }
     }
     flavorDimensions += "version"
     productFlavors {
@@ -101,3 +105,23 @@ dependencies {
     implementation 'ru.gildor.coroutines:kotlin-coroutines-okhttp:1.0'
     implementation 'io.github.rburgst:okhttp-digest:3.1.1'
 }
+
+tasks.register('jacocoTestReport', JacocoReport) {
+    dependsOn 'testFreeVersionDebugUnitTest'
+
+    reports {
+        xml.required = true
+        html.required = true
+    }
+
+    def fileFilter = ['**/R.class', '**/R$*.class', '**/BuildConfig.*', '**/Manifest*.*', '**/*Test*.*', 'android/**/*.*']
+    def debugTree = fileTree(dir: "${project.layout.buildDirectory.get().asFile}/intermediates/javac/freeVersionDebug/classes", excludes: fileFilter)
+    def kotlinDebugTree = fileTree(dir: "${project.layout.buildDirectory.get().asFile}/tmp/kotlin-classes/freeVersionDebug", excludes: fileFilter)
+    def mainSrc = "${project.projectDir}/src/main/java"
+
+    sourceDirectories.setFrom(files([mainSrc]))
+    classDirectories.setFrom(files([debugTree, kotlinDebugTree]))
+    executionData.setFrom(fileTree(dir: project.layout.buildDirectory.get().asFile, includes: [
+            "jacoco/testFreeVersionDebugUnitTest.exec"
+    ]))
+}