test-bazel.yaml

---
name: test
on:
  workflow_call:
    inputs:
      bazel-config:
        description: Bazel config to pass to bazel run and bazel test (e.g. "remote")
        type: string
      runs-on:
        description: Operating system to test against
        type: string
        default: ubuntu-latest
    secrets:
      BUILDBUDDY_API_KEY:
        description: BuildBuddy API key for remote caching
        required: false
permissions:
  contents: read
jobs:
  test:
    name: Run tests
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 0
    - uses: bazel-contrib/setup-bazel@0.19.0
      with:
        bazelisk-cache: true
        disk-cache: ${{ inputs.bazel-config == '' && github.workflow || false }}
        repository-cache: true
        bazelrc: |
          ${{ secrets.BUILDBUDDY_API_KEY != '' && format('build:remote --remote_header=x-buildbuddy-api-key={0}', secrets.BUILDBUDDY_API_KEY) || '' }}
    - name: Determine base SHA
      id: base_sha
      run: |
        if [ "${{ github.event.pull_request != null }}" = "true" ]; then
          echo "sha=${{ github.event.pull_request.base.sha }}" >> $GITHUB_OUTPUT
        else
          echo "sha=${{ github.event.before }}" >> $GITHUB_OUTPUT
        fi
    - name: Run tests
      run: |
        config=${{ inputs.bazel-config != '' && format('--config={0}', inputs.bazel-config) || '' }}
        files="$(git diff --name-only ${{ steps.base_sha.outputs.sha }}..HEAD)"

        # Run tests for targets that depend on the changed files. This includes
        # all dependent tests, not just the tests for the changed files.
        bazel $config run //:buildifier
        bazel $config test $(bazel query --keep_going "tests(rdeps(//..., set($files)))" 2>/dev/null)