run_android_tests.yml

name: android-tests

on:
  push:
    tags:
      # Trigger on release candidate builds
      # Release candidate tags look like: v1.11.0-rc1
      - v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+
      - 'ciflow/trunk/*'
      - 'ciflow/android/*'
    branches:
      - master
      - main
      - release/*
  workflow_dispatch:

concurrency:
  group: run-android-tests-${{ github.event.pull_request.number || github.sha }}-${{ github.event_name == 'workflow_dispatch' }}
  cancel-in-progress: true

defaults:
  run:
    shell: bash -e -l {0}

jobs:

  build-and-test:
    runs-on: ubuntu-latest
    env:
      JOB_BASE_NAME: ubuntu-latest-android-tests
    steps:
      - name: Setup miniconda
        uses: conda-incubator/setup-miniconda@v2
        with:
          auto-update-conda: true
          python-version: 3.8
          activate-environment: build

      - name: Install dependencies
        run: |
          conda install -y \
            cffi \
            cmake \
            mkl \
            mkl-include \
            ninja \
            numpy \
            pyyaml \
            requests \
            setuptools \
            typing_extensions

      # [see note: pytorch repo ref]
      - name: Checkout PyTorch
        uses: pytorch/pytorch/.github/actions/checkout-pytorch@master

      - name: Build PyTorch Android
        run: |
          # Install NDK 21 after GitHub update
          # https://github.com/actions/virtual-environments/issues/5595
          ANDROID_ROOT="/usr/local/lib/android"
          ANDROID_SDK_ROOT="${ANDROID_ROOT}/sdk"
          SDKMANAGER="${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager"
          echo "y" | $SDKMANAGER "ndk;21.4.7075529"

          export ANDROID_NDK="${ANDROID_SDK_ROOT}/ndk-bundle"
          ln -sfn $ANDROID_SDK_ROOT/ndk/21.4.7075529 $ANDROID_NDK

          echo "CMAKE_PREFIX_PATH=${CONDA_PREFIX:-"$(dirname "$(which conda)")/../"}" >> "${GITHUB_ENV}"
          ./scripts/build_pytorch_android.sh x86

      - name: Run tests
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: 25
          script: ./android/run_tests.sh