name: Development tests
on:
  push:
    branches:
      - 'main-ose'
  pull_request:

concurrency:
  group: test-dev-${{ github.ref }}
  cancel-in-progress: true

# We provide a remote gradle build cache. Take the settings from the secrets and enable
# configuration and build cache for all gradle jobs.
env:
  GRADLE_BUILDCACHE_URL: ${{ secrets.gradle_buildcache_url }}
  GRADLE_BUILDCACHE_USERNAME: ${{ secrets.gradle_buildcache_username }}
  GRADLE_BUILDCACHE_PASSWORD: ${{ secrets.gradle_buildcache_password }}
  GRADLE_OPTS: -Dorg.gradle.caching=true -Dorg.gradle.configuration-cache=true

jobs:
  compile:
    name: Compile
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: 21

      # See https://community.gradle.org/github-actions/docs/setup-gradle/ for more information
      - uses: gradle/actions/setup-gradle@v5
        with:
          cache-encryption-key: ${{ secrets.gradle_encryption_key }}
          cache-read-only: false                            # allow branches to update their configuration cache
          gradle-home-cache-excludes: caches/build-cache-1  # don't cache local build cache because we use a remote cache

      - name: Cache Android environment
        uses: actions/cache@v5
        with:
          path: ~/.config/.android                          # needs to be cached so that configuration cache can work
          key: android-${{ hashFiles('app/build.gradle.kts') }}

      - name: Compile
        run: ./gradlew app:compileOseDebugSource

      # Cache configurations for the other jobs
      - name: Populate configuration cache
        run: |
          ./gradlew --dry-run app:lintOseDebug
          ./gradlew --dry-run app:testOseDebugUnitTest
          ./gradlew --dry-run app:virtualOseDebugAndroidTest

  unit_tests:
    needs: compile
    name: Lint and unit tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: 21
      - uses: gradle/actions/setup-gradle@v5
        with:
          cache-encryption-key: ${{ secrets.gradle_encryption_key }}
          cache-read-only: true

      - name: Restore Android environment
        uses: actions/cache/restore@v5
        with:
          path: ~/.config/.android
          key: android-${{ hashFiles('app/build.gradle.kts') }}

      - name: Lint checks
        run: ./gradlew app:lintOseDebug

      - name: Unit tests
        run: ./gradlew app:testOseDebugUnitTest

  instrumented_tests:
    needs: compile
    name: Instrumented tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: 21
      - uses: gradle/actions/setup-gradle@v5
        with:
          cache-encryption-key: ${{ secrets.gradle_encryption_key }}
          cache-read-only: true

      - name: Restore Android environment
        uses: actions/cache/restore@v5
        with:
          path: ~/.config/.android
          key: android-${{ hashFiles('app/build.gradle.kts') }}

      # gradle and Android SDK often take more space than what is available on the default runner.
      # We try to free a few GB here to make gradle-managed devices more reliable.
      - name: Free some disk space
        uses: jlumbroso/free-disk-space@main
        with:
          android: false          # we need the Android SDK
          large-packages: false   # apt takes too long
          swap-storage: false     # gradle needs much memory

      - name: Restore AVD
        id: restore-avd
        uses: actions/cache/restore@v5
        with:
          path: ~/.config/.android/avd                        # where AVD is stored
          key: avd-${{ hashFiles('app/build.gradle.kts') }}   # gradle-managed devices are defined there

      # Enable virtualization for Android emulator
      - name: Enable KVM group perms
        run: |
          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
          sudo udevadm control --reload-rules
          sudo udevadm trigger --name-match=kvm

      - name: Instrumented tests
        run: ./gradlew app:virtualOseDebugAndroidTest

      - name: Cache AVD
        uses: actions/cache/save@v5
        if: steps.restore-avd.outputs.cache-hit != 'true'
        with:
          path: ~/.config/.android/avd                        # where AVD is stored
          key: avd-${{ hashFiles('app/build.gradle.kts') }}   # gradle-managed devices are defined there