name: CI
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
jobs:
  preflight:
    name: License Header and Formatting Checks
    runs-on: ubuntu-latest
    container:
      image: swift
    steps:
    - uses: actions/checkout@v3
    - name: "Formatting and License Headers check"
      run: |
        SWIFTFORMAT_VERSION=0.49.4
        git clone --depth 1 --branch "$SWIFTFORMAT_VERSION" "https://github.com/nicklockwood/SwiftFormat" "$HOME/SwiftFormat"
        swift build --package-path "$HOME/SwiftFormat" --product swiftformat
        export PATH=$PATH:"$(swift build --package-path "$HOME/SwiftFormat" --show-bin-path)"
        ./scripts/sanity.sh
  unit-tests:
    strategy:
      fail-fast: false
      matrix:
        include:
          - image: swift:5.6-focal
            # No TSAN because of: https://github.com/apple/swift/issues/59068
            # swift-test-flags: "--sanitize=thread"
          - image: swift:5.5-focal
            swift-test-flags: "--sanitize=thread"
          - image: swift:5.4-focal
            swift-test-flags: "--sanitize=thread"
    name: Build and Test on ${{ matrix.image }}
    runs-on: ubuntu-latest
    container:
      image: ${{ matrix.image }}
    steps:
    - uses: actions/checkout@v3
    - name: 🔧 Build
      run: swift build ${{ matrix.swift-build-flags }}
      timeout-minutes: 20
    - name: 🧪 Test
      # Skip tests on 5.6: https://bugs.swift.org/browse/SR-15955
      if: ${{ matrix.image != 'swift:5.6-focal' }}
      run: swift test ${{ matrix.swift-test-flags }}
      timeout-minutes: 20
  performance-tests:
    strategy:
      fail-fast: false
      matrix:
        include:
          - image: swift:5.6-focal
            env:
              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 429000
              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 177000
              MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_10_small_requests: 110000
              MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_1_small_request: 65000
              MAX_ALLOCS_ALLOWED_embedded_server_unary_1k_rpcs_1_small_request: 61000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong: 175000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_client: 182000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_server: 182000
          - image: swift:5.5-focal
            env:
              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 459000
              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 189000
              MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_10_small_requests: 110000
              MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_1_small_request: 65000
              MAX_ALLOCS_ALLOWED_embedded_server_unary_1k_rpcs_1_small_request: 61000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong: 186000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_client: 193000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_server: 193000
          - image: swift:5.4-focal
            env:
              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 459000
              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 189000
              MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_10_small_requests: 110000
              MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_1_small_request: 65000
              MAX_ALLOCS_ALLOWED_embedded_server_unary_1k_rpcs_1_small_request: 61000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong: 186000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_client: 193000
              MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_server: 193000
    name: Performance Tests on ${{ matrix.image }}
    runs-on: ubuntu-latest
    container:
      image: ${{ matrix.image }}
    steps:
    - uses: actions/checkout@v3
    - name: 🧮 Allocation Counting Tests
      run: ./Performance/allocations/test-allocation-counts.sh
      env: ${{ matrix.env }}
      timeout-minutes: 20
  integration-tests:
    strategy:
      fail-fast: false
      matrix:
        include:
          - image: swift:5.6-focal
          - image: swift:5.5-focal
          - image: swift:5.4-focal
    name: Integration Tests on ${{ matrix.image }}
    runs-on: ubuntu-latest
    container:
      image: ${{ matrix.image }}
    steps:
    - uses: actions/checkout@v3
    - name: Build without NIOSSL
      run: swift build
      env:
        GRPC_NO_NIO_SSL: 1
      timeout-minutes: 20
    - name: Test without NIOSSL
      run: swift test
      env:
        GRPC_NO_NIO_SSL: 1
      timeout-minutes: 20