ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test-rdma-build:
    name: build (libibverbs) + tests
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11", "3.12"]
    steps:
      - uses: actions/checkout@v4

      - name: Install RDMA dev headers and build tools
        run: |
          sudo apt-get update
          sudo apt-get install -y libibverbs-dev librdmacm-dev cmake ninja-build

      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install (builds the C++ extension) + test deps
        run: |
          python -m pip install --upgrade pip
          pip install ".[test]"

      - name: Verify the extension built with RDMA support
        run: |
          python -c "from peercache import _peercache; assert _peercache.HAS_RDMA, 'expected RDMA build'; print('HAS_RDMA', _peercache.HAS_RDMA)"

      - name: Run tests (TCP fallback; runners have no RDMA device)
        run: pytest -q

  test-no-rdma:
    name: build (PEERCACHE_NO_RDMA) + tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
      - name: Install without RDMA (stub extension + TCP fallback)
        run: |
          python -m pip install --upgrade pip
          pip install ".[test]" --config-settings=cmake.define.PEERCACHE_NO_RDMA=ON
      - name: Verify stub build falls back to TCP
        run: |
          python -c "from peercache import _peercache; assert _peercache.HAS_RDMA is False; print('stub build OK')"
      - name: Run tests
        run: pytest -q