test_bazel.yaml

---
name: Bazel
on: [push, pull_request]

jobs:
  test:
    strategy:
      fail-fast: false
      matrix:
        platform: [ubuntu-latest, macos-latest, windows-latest]

    name: ${{ matrix.platform }}
    runs-on: ${{ matrix.platform }}

    steps:
    - name: Cache Setup
      uses: actions/cache@v4
      id: cache-bazel
      with:
        path: ~/.cache/bazel
        key: ${{ runner.os }}-bazel

    - name: Bazel Setup
      uses: jwlawson/actions-setup-bazel@v2
      with:
        bazel-version: latest

    - name: Bazel Version
      run: bazel --version

    - name: Checkout
      uses: actions/checkout@v4

    - name: Build
      run: bazel build --disk_cache ~/.cache/bazel //...

    - name: Test
      run: bazel test --disk_cache ~/.cache/bazel --test_timeout 10 //...

    - name: Upload Test Results
      uses: actions/upload-artifact@v4
      if: failure()
      with:
        name: Test Results (${{ matrix.platform }})
        path: |
          bazel-testlogs*/**/test.log
          bazel-bin*/example/*
          bazel-bin*/src/*
          !bazel-bin*/**/_objs/
          !bazel-bin*/**/*.cppmap
          !bazel-bin*/**/*.params
          !bazel-bin*/**/*.runfiles*


  test_with_old_bazel:
    runs-on: ubuntu-latest
    steps:
    - name: Bazel Setup
      uses: jwlawson/actions-setup-bazel@v2
      with:
        bazel-version: "5.4.1"
    - name: Checkout
      uses: actions/checkout@v4
    - name: Prepare
      run: touch WORKSPACE
    - name: Test
      run: >
        bazel test
        --check_direct_dependencies=error
        --experimental_enable_bzlmod
        --ignore_dev_dependency
        -- //...


  coverage:
    runs-on: ubuntu-latest

    steps:
    - name: Cache Setup
      uses: actions/cache@v4
      id: cache-bazel
      with:
        path: ~/.cache/bazel
        key: ${{ runner.os }}-bazel

    - name: Bazel Setup
      uses: jwlawson/actions-setup-bazel@v2
      with:
        bazel-version: latest

    - name: Checkout
      uses: actions/checkout@v4

    - name: Build
      run: >
        bazel build
        --disk_cache ~/.cache/bazel
        --collect_code_coverage
        --instrument_test_targets
        --instrumentation_filter="^//..."
        --
        //...

    - name: Coverage
      run: >
        bazel coverage
        --disk_cache ~/.cache/bazel
        --instrument_test_targets
        --instrumentation_filter="^//..."
        --combined_report=lcov
        --
        //...

    - name: Strip Branch Coverage
      # Bazel 7 generates branch coverage, but we prefer line coverage reports.
      run: sed -i '/^BR/d' bazel-out/_coverage/_coverage_report.dat

    - name: Coveralls
      uses: coverallsapp/github-action@master
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        path-to-lcov: bazel-out/_coverage/_coverage_report.dat