name: test

on:
  push:
  pull_request:
  workflow_dispatch:
    inputs:
      gtest_filter:
        description: 'Google Test filter'
      test_linux:
        description: 'Test on Linux'
        type: boolean
        default: true
      test_macos:
        description: 'Test on MacOS'
        type: boolean
        default: true
      test_windows:
        description: 'Test on Windows'
        type: boolean
        default: true

concurrency:
  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
  cancel-in-progress: true

env:
  GTEST_FILTER: ${{ github.event.inputs.gtest_filter || '*' }}

jobs:
  style-check:
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    continue-on-error: true
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: run style check
        run: |
          clang-format --version
          cd test && make style_check

  build-error-check-on-32bit:
    runs-on: ubuntu-latest
    if: >
      (github.event_name == 'push') ||
      (github.event_name == 'pull_request'  &&
       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_linux == 'true')
    strategy:
      matrix:
        config:
        - arch_flags: -m32
          arch_suffix: :i386
          name: (32-bit)
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: install libraries
        run: |
          sudo dpkg --add-architecture i386
          sudo apt-get update
          sudo apt-get install -y libc6-dev${{ matrix.config.arch_suffix }} libstdc++-13-dev${{ matrix.config.arch_suffix }} \
            libssl-dev${{ matrix.config.arch_suffix }} libcurl4-openssl-dev${{ matrix.config.arch_suffix }} \
            zlib1g-dev${{ matrix.config.arch_suffix }} libbrotli-dev${{ matrix.config.arch_suffix }} \
            libzstd-dev${{ matrix.config.arch_suffix }}
      - name: build and run tests (expect failure)
        run: cd test && make test EXTRA_CXXFLAGS="${{ matrix.config.arch_flags }}"
        continue-on-error: true

  ubuntu:
    runs-on: ubuntu-latest
    if: >
      (github.event_name == 'push') ||
      (github.event_name == 'pull_request'  &&
       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_linux == 'true')
    strategy:
      matrix:
        tls_backend: [openssl, mbedtls]
    name: ubuntu (${{ matrix.tls_backend }})
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: install common libraries
        run: |
          sudo apt-get update
          sudo apt-get install -y libcurl4-openssl-dev zlib1g-dev libbrotli-dev libzstd-dev
      - name: install OpenSSL
        if: matrix.tls_backend == 'openssl'
        run: sudo apt-get install -y libssl-dev
      - name: install Mbed TLS
        if: matrix.tls_backend == 'mbedtls'
        run: sudo apt-get install -y libmbedtls-dev
      - name: build and run tests (OpenSSL)
        if: matrix.tls_backend == 'openssl'
        run: cd test && make test_split && make test_openssl_parallel
        env:
          LSAN_OPTIONS: suppressions=lsan_suppressions.txt
      - name: build and run tests (Mbed TLS)
        if: matrix.tls_backend == 'mbedtls'
        run: cd test && make test_split_mbedtls && make test_mbedtls_parallel
      - name: run fuzz test target
        if: matrix.tls_backend == 'openssl'
        run: cd test && make fuzz_test
      - name: build and run WebSocket heartbeat test
        if: matrix.tls_backend == 'openssl'
        run: cd test && make test_websocket_heartbeat && ./test_websocket_heartbeat
      - name: build and run ThreadPool test
        run: cd test && make test_thread_pool && ./test_thread_pool

  macos:
    runs-on: macos-latest
    if: >
      (github.event_name == 'push') ||
      (github.event_name == 'pull_request'  &&
       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_macos == 'true')
    strategy:
      matrix:
        tls_backend: [openssl, mbedtls]
    name: macos (${{ matrix.tls_backend }})
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: install Mbed TLS
        if: matrix.tls_backend == 'mbedtls'
        run: brew install mbedtls@3
      - name: build and run tests (OpenSSL)
        if: matrix.tls_backend == 'openssl'
        run: cd test && make test_split && make test_openssl_parallel
        env:
          LSAN_OPTIONS: suppressions=lsan_suppressions.txt
      - name: build and run tests (Mbed TLS)
        if: matrix.tls_backend == 'mbedtls'
        run: cd test && make test_split_mbedtls && make test_mbedtls_parallel
      - name: run fuzz test target
        if: matrix.tls_backend == 'openssl'
        run: cd test && make fuzz_test
      - name: build and run WebSocket heartbeat test
        if: matrix.tls_backend == 'openssl'
        run: cd test && make test_websocket_heartbeat && ./test_websocket_heartbeat
      - name: build and run ThreadPool test
        run: cd test && make test_thread_pool && ./test_thread_pool

  windows:
    runs-on: windows-latest
    if: >
      (github.event_name == 'push') ||
      (github.event_name == 'pull_request'  &&
       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_windows == 'true')
    strategy:
      matrix:
        config:
        - with_ssl: false
          compiled: false
          run_tests: true
          name: without SSL
        - with_ssl: true
          compiled: false
          run_tests: true
          name: with SSL
        - with_ssl: false
          compiled: true
          run_tests: false
          name: compiled
    name: windows ${{ matrix.config.name }}
    steps:
    - name: Prepare Git for Checkout on Windows
      run: |
        git config --global core.autocrlf false
        git config --global core.eol lf
    - name: Checkout
      uses: actions/checkout@v4
    - name: Export GitHub Actions cache environment variables
      uses: actions/github-script@v7
      with:
        script: |
          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
    - name: Setup msbuild on windows
      uses: microsoft/setup-msbuild@v2
    - name: Cache vcpkg packages
      id: vcpkg-cache
      uses: actions/cache@v4
      with:
        path: C:/vcpkg/installed
        key: vcpkg-installed-windows-gtest-curl-zlib-brotli-zstd
    - name: Install vcpkg dependencies
      if: steps.vcpkg-cache.outputs.cache-hit != 'true'
      run: vcpkg install gtest curl zlib brotli zstd
    - name: Install OpenSSL
      if: ${{ matrix.config.with_ssl }}
      run: choco install openssl
    - name: Configure CMake ${{ matrix.config.name }}
      run: >
        cmake -B build -S .
        -DCMAKE_BUILD_TYPE=Release
        -DCMAKE_TOOLCHAIN_FILE=${{ env.VCPKG_ROOT }}/scripts/buildsystems/vcpkg.cmake
        -DHTTPLIB_TEST=ON
        -DHTTPLIB_COMPILE=${{ matrix.config.compiled && 'ON' || 'OFF' }}
        -DHTTPLIB_USE_OPENSSL_IF_AVAILABLE=${{ matrix.config.with_ssl && 'ON' || 'OFF' }}
        -DHTTPLIB_REQUIRE_ZLIB=ON
        -DHTTPLIB_REQUIRE_BROTLI=ON
        -DHTTPLIB_REQUIRE_ZSTD=ON
        -DHTTPLIB_REQUIRE_OPENSSL=${{ matrix.config.with_ssl && 'ON' || 'OFF' }}
    - name: Build ${{ matrix.config.name }}
      run: cmake --build build --config Release -- /v:m /clp:ShowCommandLine
    - name: Run tests ${{ matrix.config.name }}
      if: ${{ matrix.config.run_tests }}
      shell: pwsh
      working-directory: build/test
      run: |
        $shards = 4
        $procs = @()
        for ($i = 0; $i -lt $shards; $i++) {
          $log = "shard_${i}.log"
          $procs += Start-Process -FilePath ./Release/httplib-test.exe `
            -ArgumentList "--gtest_color=yes","--gtest_filter=${{ github.event.inputs.gtest_filter || '*' }}-*BenchmarkTest*" `
            -NoNewWindow -PassThru -RedirectStandardOutput $log -RedirectStandardError "${log}.err" `
            -Environment @{ GTEST_TOTAL_SHARDS="$shards"; GTEST_SHARD_INDEX="$i" }
        }
        $procs | Wait-Process
        $failed = $false
        for ($i = 0; $i -lt $shards; $i++) {
          $log = "shard_${i}.log"
          if (Select-String -Path $log -Pattern "\[  PASSED  \]" -Quiet) {
            $passed = (Select-String -Path $log -Pattern "\[  PASSED  \]").Line
            Write-Host "Shard ${i}: $passed"
          } else {
            Write-Host "=== Shard $i FAILED ==="
            Get-Content $log
            if (Test-Path "${log}.err") { Get-Content "${log}.err" }
            $failed = $true
          }
        }
        if ($failed) { exit 1 }
        Write-Host "All shards passed."
    - name: Run benchmark tests with retry ${{ matrix.config.name }}
      if: ${{ matrix.config.run_tests }}
      run: ctest --output-on-failure --test-dir build -C Release -R "BenchmarkTest" --repeat until-pass:5

    env:
      VCPKG_ROOT: "C:/vcpkg"
      VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"