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# GMD smoke tests on CI.
#
# GitHub-hosted `ubuntu-latest` runners expose `/dev/kvm` for CPU acceleration
# (the "Enable KVM" step installs a udev rule so the runner user can access
# it), but they have no GPU/Vulkan driver — so the GPU mode is forced to
# `swiftshader_indirect`. Note: swiftshader is documented to crash on Linux
# kernel >= 6.17 (see TESTING_SETUP.md). GitHub-hosted runners are currently
# on kernel ~6.8, but if that changes this workflow will need a different
# harness.
#
# To keep Free-tier Actions minutes in budget, this workflow is path-filtered
# on PRs — it only runs when files that could affect the smoke surface change.
name: Smoke
permissions:
  contents: read

on:
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]
    paths:
      - 'app/src/androidTest/**'
      - 'app/src/main/**/ui/**'
      - 'app/build.gradle.kts'
      - 'gradle/libs.versions.toml'
      - 'gradle.properties'
      - '.github/workflows/smoke.yml'
  workflow_dispatch:

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

jobs:
  smoke:
    name: GMD Smoke Tests
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - name: Checkout code
        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: Enable KVM
        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: Run GMD Smoke Tests
        run: ./gradlew pixel2api33Check -Pandroid.testoptions.manageddevices.emulator.gpu=swiftshader_indirect

      - name: Upload Managed Device Reports
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: gmd-test-reports
          path: |
            app/build/reports/androidTests/managedDevice/
            app/build/outputs/androidTest-results/managedDevice/
          if-no-files-found: warn
          retention-days: 7