feat: add coverage checks with min 80% threshold

.github/workflows/check.yml

@@ -18,5 +18,8 @@ jobs:
           distribution: 'temurin'
           java-version: '17'
 
+      - name: Set up Gradle
+        uses: gradle/gradle-build-action@v2
+
       - name: Run Gradle check
         run: ./gradlew check

.github/workflows/coverage.yml

@@ -0,0 +1,41 @@
+name: Coverage
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Set up Gradle
+        uses: gradle/gradle-build-action@v2
+
+      - name: Run tests and generate coverage report
+        run: ./gradlew koverXmlReport
+
+      - name: Extract coverage from XML
+        run: |
+          COVERAGE=$(grep -oP 'line-rate="([0-9.]+)"' build/reports/kover/report.xml | head -1 | grep -oP '[0-9.]+')
+          echo "Coverage: ${COVERAGE}"
+          echo "coverage=${COVERAGE}" >> $GITHUB_ENV
+
+      - name: Fail if coverage is too low
+        run: |
+          MIN_COVERAGE=0.80
+          if (( $(echo "$COVERAGE < $MIN_COVERAGE" | bc -l) )); then
+            echo "Coverage ($COVERAGE) is below the minimum threshold ($MIN_COVERAGE)."
+            exit 1
+          fi

chat-android/build.gradle.kts

@@ -4,6 +4,7 @@ plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.android.kotlin)
     alias(libs.plugins.build.config)
+    alias(libs.plugins.kover)
 }
 
 val version = libs.versions.ably.chat.get()

gradle/libs.versions.toml

@@ -66,3 +66,4 @@ android-library = { id = "com.android.library", version.ref = "agp" }
 android-application = { id = "com.android.application", version.ref = "agp" }
 compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 build-config = { id = "com.github.gmazzo.buildconfig", version.ref = "build-config" }
+kover = { id = "org.jetbrains.kotlinx.kover", version = "0.9.0-RC" }