android_integration_test.yml

name: Android CI

on:
  push:
    branches: [master, f-droid]
  pull_request:
    branches: [master, f-droid]

env:
  ARTIFACT_PATH: ./screenshots

# Cancel a currently running workflow from the same PR, branch or tag when a new workflow is
# triggered (ref https://stackoverflow.com/a/72408109)
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  android-device-tests:
    # use macos to have hardware acceleration https://github.com/ReactiveCircus/android-emulator-runner/issues/46
    runs-on: ${{ matrix.os }}
    timeout-minutes: 70
    strategy:
      matrix:
        # lower api-levels would be supported but the webView that is pre-installed on these images does not.
        api-level: [33]
        include:
          - os: ubuntu-latest
            # needs to be the `id` from the devices given by `avdmanager list device`
            device: "pixel_3a"
            # disable for now. it takes ages to build and launch the app and the upper limit of
            # recordings is 180s. The app has not even started by then.
            record_video: false
      fail-fast: false
    steps:
      # Setup Environment
      - uses: actions/checkout@v4

      - uses: actions/setup-java@v4
        with:
          java-version: "17"
          distribution: "temurin"

      - 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: Install flutter wrapper
        run: ./scripts/install_flutter_wrapper.sh

      - name: Setup Android SDK and accept licences
        uses: android-actions/setup-android@v3

      - name: List android images
        run: sdkmanager --list | grep system-images

      - name: Get dependencies (i.e., melos)
        run: .flutter/bin/dart pub get

      - name: Melos Bootstrap
        run: .flutter/bin/dart run melos bootstrap

      - name: Gradle cache
        uses: gradle/actions/setup-gradle@v3

      - name: AVD cache
        uses: actions/cache@v4
        id: avd-cache
        with:
          path: |
            ~/.android/avd/*
            ~/.android/adb*
          key: avd-${{ matrix.api-level }}-${{ matrix.device }}

      - name: Run encointer-node
        run: ./scripts/docker_run_encointer_node_notee.sh &

      - name: Bootstrap Demo Community
        run: ./scripts/docker_run_encointer_client_bootstrap_demo_community.sh

      - name: "Create AVD and generate a clean snapshot for caching"
        if: steps.avd-cache.outputs.cache-hit != 'true'
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}
          profile: ${{ matrix.device }}
          force-avd-creation: false
          arch: x86_64
          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
          disable-animations: false
          script: echo "Generated AVD snapshot for caching."

      - name: "Android Integration Tests"
        uses: reactivecircus/android-emulator-runner@v2
        env:
          ANDROID_DEBUG: "true"
          RECORD: ${{ matrix.record_video }}
          TEMP_DIR: ${{ env.ARTIFACT_PATH }}
        with:
          api-level: ${{ matrix.api-level }}
          profile: ${{ matrix.device }}
          force-avd-creation: false
          arch: x86_64
          # as we use the cleanly cached emulator, we need to define `-no-snapshot-save` here.
          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
          disable-animations: true
          script: ./scripts/android_integration_test.sh

      - name: "Upload screenshots"
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.device }}
          path: ${{ env.ARTIFACT_PATH }}