name: "Android checks"
description: "Run Android build and test steps using the Android SDK/NDK and emulator."

inputs:
  target:
    description: "Rust target to build for."
    required: true
  working-directory:
    description: "Working directory."
    default: "."
  ndk-version:
    description: "NDK version to install."
    # https://searchfox.org/mozilla-central/search?q=NDK_VERSION =&path=python/mozboot/mozboot/android.py
    default: "27.2.12479018"
  api-level:
    description: "Android API level to use."
    # https://searchfox.org/mozilla-central/search?q=\bapi_level=&path=taskcluster/scripts/misc/build-llvm-common.sh&regexp=true
    # However, NSS requires an API >= 23 for a few symbols.
    default: "23"
  minimum-nss-version:
    description: "If NSS is required, the minimum version required."
    default: ""
  github-token:
    description: "A Github PAT"
    required: true

runs:
  using: composite
  steps:
    - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
      with:
        distribution: zulu
        java-version: 23

    - uses: android-actions/setup-android@40fd30fb8d7440372e1316f5d1809ec01dcd3699 # v4.0.1
      with:
        accept-android-sdk-licenses: true
        log-accepted-android-sdk-licenses: false

    - shell: bash
      env:
        NDK_VERSION: ${{ inputs.ndk-version }}
        WD: ${{ inputs.working-directory }}
      run: cd "$WD" && sdkmanager --install "ndk;$NDK_VERSION"

    - uses: mozilla/actions/rust@2e46408d5c495e59a21e5e125e82008fad0d9408 # v1.1.7
      with:
        version: stable
        targets: ${{ inputs.target }}
        tools: cargo-ndk@^4, cargo-hack
        token: ${{ inputs.github-token }}

    - uses: mozilla/actions/nss@2e46408d5c495e59a21e5e125e82008fad0d9408 # v1.1.7
      if: ${{ inputs.minimum-nss-version != '' }}
      with:
        minimum-version: ${{ inputs.minimum-nss-version }}
        target: ${{ inputs.target }}
        token: ${{ inputs.github-token }}

    - shell: bash
      env:
        TARGET: ${{ startsWith(inputs.target, 'arm') && 'arm64-v8a' || inputs.target }}
        API_LEVEL: ${{ inputs.api-level }}
        WD: ${{ inputs.working-directory }}
      run: cd "$WD" && cargo hack --feature-powerset --exclude-features gecko,blapi ndk --platform "$API_LEVEL" --target "$TARGET" test --no-run

    # FIXME: Enable emulator testing for aarch64 once Google ships Android
    # emulator binaries for ARM64 Linux hosts.
    # See https://issuetracker.google.com/issues/242699119
    - shell: bash
      if: ${{ !startsWith(inputs.target, 'aarch64') }}
      env:
        TARGET: ${{ inputs.target }}
        API_LEVEL: ${{ inputs.api-level }}
      run: |
        echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
        sudo udevadm control --reload-rules
        sudo udevadm trigger --name-match=kvm
        cat <<'EOF' > /tmp/rust-android-run-tests-on-emulator.sh
        #!/bin/bash
        set -ex
        adb wait-for-device
        while [ -z "$(adb shell getprop sys.boot_completed | tr -d '\r')" ]; do sleep 1; done
        any_failures=0
        TMP=/data/local/tmp
        [ -e "$WD/test-fixture/db" ] && adb push "test-fixture/db" "$TMP/"
        [ "$LD_LIBRARY_PATH" ] && adb push "$LD_LIBRARY_PATH" "$TMP/"
        for test in $(find $WD/target/$TARGET/debug/deps/ -type f -executable ! -name "*.so" -name "*-*"); do
          adb push "$test" "$TMP/"
          adb shell chmod +x "$TMP/$(basename "$test")"
          # See https://unix.stackexchange.com/a/451140/409256
          adb shell "CARGO_TERM_COLOR=always RUST_BACKTRACE=1 LD_LIBRARY_PATH=$TMP/lib TEST_FIXTURE_DB=$TMP/db API_LEVEL=$API_LEVEL $TMP/$(basename "$test") || echo _FAIL_" 2>&1 | tee output
          grep _FAIL_ output > /dev/null && any_failures=1
        done
        exit $any_failures
        EOF
        chmod a+x /tmp/rust-android-run-tests-on-emulator.sh

    - uses: reactivecircus/android-emulator-runner@e89f39f1abbbd05b1113a29cf4db69e7540cae5a # v2.37.0
      if: ${{ !startsWith(inputs.target, 'aarch64') }}
      with:
        api-level: ${{ inputs.api-level }}
        arch: ${{ startsWith(inputs.target, 'x86_64') && 'x86_64' || (startsWith(inputs.target, 'i686') && 'x86' || (startsWith(inputs.target, 'aarch64') && 'arm64-v8a')) }}
        ndk: ${{ inputs.ndk-version }}
        emulator-boot-timeout: 120
        disk-size: 2G
        script: /tmp/rust-android-run-tests-on-emulator.sh