Jacoco and Coveralls

.github/workflows/android.yml

@@ -31,5 +31,10 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew build --stacktrace
 
-      - name: Run unit tests
-        run: ./gradlew testDebugUnitTest --stacktrace
+      - name: Run unit tests and jacoco coverage
+        run: ./gradlew testDebugUnitTest jacocoTestReport --stacktrace
+
+      - name: Coveralls GitHub Action
+        uses: coverallsapp/github-action@v2.3.4
+        with:
+          format: jacoco

README.md

@@ -1,6 +1,7 @@
 # OSMTracker for Android™
 
-![Build](https://github.com/labexp/osmtracker-android/actions/workflows/android.yml/badge.svg)
+![Build](https://github.com/labexp/osmtracker-android/actions/workflows/android.yml/badge.svg?branch=develop)
+[![Coverage Status](https://coveralls.io/repos/github/labexp/osmtracker-android/badge.svg?branch=develop)](https://coveralls.io/github/labexp/osmtracker-android?branch=develop)
 
 **OSMTracker for Android™** is a mobile app designed for OpenStreetMap mappers and outdoor adventurers. It lets you log a GPS track to document your journey. Its customizable buttons let you simply add POIs as track points directly inside your GPX track.
 

app/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'jacoco'
 
 android {
 
@@ -134,3 +135,30 @@ repositories {
     mavenCentral()
     maven { url "https://jitpack.io" }
 }
+
+jacoco {
+    toolVersion = "0.8.12"
+}
+
+tasks.withType(Test) {
+    jacoco.includeNoLocationClasses = true
+    jacoco.excludes = ['jdk.internal.*']
+}
+
+tasks.register("jacocoTestReport", JacocoReport) {
+    dependsOn testDebugUnitTest
+
+    reports {
+        xml.required = true
+    }
+
+    def fileFilter = ['**/R.class', '**/R$*.class', '**/BuildConfig.*', '**/Manifest*.*', '**/*Test*.*']
+    def mainSrc = "${project.projectDir}/src/main/java"
+
+    sourceDirectories.setFrom(files([mainSrc]))
+    classDirectories.setFrom(fileTree(dir: layout.buildDirectory.dir("intermediates/javac/debug").get().asFile, excludes: fileFilter))
+    executionData.setFrom(fileTree(dir: layout.buildDirectory.get(), includes: [
+            'jacoco/testDebugUnitTest.exec', 'outputs/unit_test_code_coverage/debugUnitTest/testDebugUnitTest.exec'
+    ]))
+
+}

build.gradle

@@ -12,6 +12,10 @@ buildscript {
     }
 }
 
+plugins {
+    id 'jacoco'
+}
+
 allprojects {
     repositories {
         google()