_test.yml

# Reusable: unit + integration tests on all platforms
name: Test

on:
  workflow_call:
    inputs:
      skip_perf:
        description: 'Skip incremental perf tests (phases 2-7)'
        type: boolean
        default: true
      broad_platforms:
        description: 'Test the broad platform matrix (older glibc + extra OS versions) instead of the core set'
        type: boolean
        default: false

permissions:
  contents: read

jobs:
  # Emit the platform matrices as JSON. The CORE set is the default (fast,
  # unchanged); the BROAD set adds extra free runners (older glibc /
  # additional OS versions) for a wider "does it build everywhere" picture.
  setup-matrix:
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      unix: ${{ steps.set.outputs.unix }}
      windows: ${{ steps.set.outputs.windows }}
    steps:
      - name: Compute matrices
        id: set
        env:
          BROAD: ${{ inputs.broad_platforms }}
        run: |
          CORE_UNIX='[
            {"os":"ubuntu-latest","cc":"gcc","cxx":"g++"},
            {"os":"ubuntu-24.04-arm","cc":"gcc","cxx":"g++"},
            {"os":"macos-14","cc":"cc","cxx":"c++"},
            {"os":"macos-15-intel","cc":"cc","cxx":"c++"}
          ]'
          BROAD_UNIX='[
            {"os":"ubuntu-22.04","cc":"gcc","cxx":"g++","optional":true},
            {"os":"ubuntu-22.04-arm","cc":"gcc","cxx":"g++","optional":true},
            {"os":"macos-15","cc":"cc","cxx":"c++","optional":true}
          ]'
          # Each Windows leg pins the msys2 environment + package arch to the
          # RUNNER architecture so the build is native, never emulated:
          #   x86-64 runners -> CLANG64 (mingw-w64-clang-x86_64-*)
          #   ARM64  runner  -> CLANGARM64 (mingw-w64-clang-aarch64-*)
          # windows-11-arm previously used the x86-64 CLANG64 toolchain, so its
          # binary ran under Windows-on-ARM x86-64 emulation and ASan's function
          # interception crashed (interception_win: unhandled instruction). With
          # the native ARM64 toolchain ASan instruments native ARM64 code, so it
          # is a real (non-optional) gate, not a tolerated emulated-flake.
          CORE_WIN='[{"os":"windows-latest","msystem":"CLANG64","pkg":"x86_64"}]'
          BROAD_WIN='[{"os":"windows-2025","optional":true,"msystem":"CLANG64","pkg":"x86_64"},{"os":"windows-11-arm","msystem":"CLANGARM64","pkg":"aarch64"}]'
          if [ "$BROAD" = "true" ]; then
            UNIX=$(jq -cn --argjson a "$CORE_UNIX" --argjson b "$BROAD_UNIX" '$a + $b')
            WIN=$(jq -cn --argjson a "$CORE_WIN" --argjson b "$BROAD_WIN" '$a + $b')
          else
            UNIX=$(jq -cn --argjson a "$CORE_UNIX" '$a')
            WIN=$(jq -cn --argjson a "$CORE_WIN" '$a')
          fi
          echo "unix={\"include\":$UNIX}" >> "$GITHUB_OUTPUT"
          echo "windows={\"include\":$WIN}" >> "$GITHUB_OUTPUT"

  test-unix:
    needs: setup-matrix
    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.setup-matrix.outputs.unix) }}
    runs-on: ${{ matrix.os }}
    # Broad-only legs (extra OS versions) are informational: visible but
    # non-blocking, so a flaky/less-common runner can't block a release.
    continue-on-error: ${{ matrix.optional == true }}
    timeout-minutes: 240
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - name: Install deps (Ubuntu)
        if: startsWith(matrix.os, 'ubuntu')
        run: sudo apt-get update && sudo apt-get install -y zlib1g-dev

      - name: Test
        run: scripts/test.sh CC=${{ matrix.cc }} CXX=${{ matrix.cxx }}
        env:
          CBM_SKIP_PERF: ${{ inputs.skip_perf && '1' || '' }}

  test-windows:
    needs: setup-matrix
    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.setup-matrix.outputs.windows) }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.optional == true }}
    timeout-minutes: 240
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - uses: msys2/setup-msys2@66cd2cce69caa17b53920067426061ca1de3a884 # v2
        with:
          msystem: ${{ matrix.msystem }}
          path-type: inherit
          install: >-
            mingw-w64-clang-${{ matrix.pkg }}-clang
            mingw-w64-clang-${{ matrix.pkg }}-compiler-rt
            mingw-w64-clang-${{ matrix.pkg }}-zlib
            make
            git

      - name: Test
        shell: msys2 {0}
        # AddressSanitizer is unavailable on native ARM64 Windows (LLVM ships no
        # libclang_rt.asan for aarch64-w64-windows-gnu) and cannot intercept the
        # system DLLs under x86-64 emulation either, so windows-11-arm runs the
        # native ARM64 build with SANITIZE= (no sanitizer) — still a real
        # functional gate. ASan/UBSan coverage comes from the other 9 legs,
        # including native-ARM Linux/macOS. x86-64 Windows keeps full sanitizers.
        run: scripts/test.sh CC=clang CXX=clang++ ${{ matrix.os == 'windows-11-arm' && 'SANITIZE=' || '' }}
        env:
          CBM_SKIP_PERF: ${{ inputs.skip_perf && '1' || '' }}

  # Windows product-surface regression guards. Distinct from test-windows above
  # (the sanitizer C suite): these drive a real product binary + embedded HTTP UI
  # over stdio / CLI / HTTP and fail if a Windows bug already fixed on main comes
  # back -- non-ASCII repo paths dropping definitions (#636/#357, fixed by #700),
  # the PreToolUse hook augmenter no-op on drive-letter cwd (#618, fixed by #619),
  # and the UI directory picker not enumerating drives (#548, roots field). The
  # still-open narrow-argv repro (#423/#20) is opt-in and excluded via -GuardsOnly.
  test-windows-guards:
    runs-on: windows-latest
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - uses: msys2/setup-msys2@66cd2cce69caa17b53920067426061ca1de3a884 # v2
        with:
          msystem: CLANG64
          path-type: inherit
          install: >-
            mingw-w64-clang-x86_64-clang
            mingw-w64-clang-x86_64-zlib
            make
            git

      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: "22"

      - name: Build product binary with embedded UI
        shell: msys2 {0}
        # --with-ui builds the frontend (npm) and embeds it, so the drive-picker
        # guard's HTTP UI is available. Functional gate only (no sanitizers).
        run: scripts/build.sh --with-ui CC=clang CXX=clang++

      - name: Windows regression guards (#636/#357, #618, #548)
        shell: pwsh
        # -GuardsOnly runs the three green guards and gates on them; the runner
        # runs indexing in-process (CBM_INDEX_SUPERVISOR=0) so a guard reflects the
        # path/hook/drive fix under test, not the orthogonal index-worker spawn.
        run: ./scripts/test-windows.ps1 -GuardsOnly -Binary build/c/codebase-memory-mcp.exe