unit-tests-darwin.yml

name: PR unit tests (darwin)

# Triggers the workflow on push or pull request events
on: [push, pull_request]

permissions: read-all

concurrency:
  group: build-${{ github.event.pull_request.number || github.ref }}-${{github.workflow}}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
jobs:

  build:
    name: PR unit tests (darwin)
    runs-on: macos-latest
    steps:

    - name: Check out code into the Go module directory
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: 1.23.*
      id: go

    # Retrieve build locations with `go env`
    # <https://markphelps.me/posts/speed-up-your-go-builds-with-actions-cache/>
    - id: go-cache-paths
      run: |
        echo "go-build=$(go env GOCACHE)" >> $GITHUB_OUTPUT
        echo "go-mod=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT

    - uses: actions/cache@v4
      with:
        path: |
          ${{ steps.go-cache-paths.outputs.go-build }}
          ${{ steps.go-cache-paths.outputs.go-mod }}
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-

    # Skip tests for `docs`-only changes (only works for PR-based dev workflows like Skaffold's).
    # NOTE: grep output is stored in env var with `|| true` as the run command cannot fail or action will fail
    - name: Check if only docs changes were made in this PR
      run: |
        echo ${{ github.event.before }}
        echo ${{ github.event.after }}
        NON_DOCS_FILES_CHANGED=$(git diff --name-only ${{ github.event.pull_request.base.sha }}..${{ github.sha }}| grep -v '^docs/' || true) 
        echo "NON_DOCS_FILES_CHANGED=${#NON_DOCS_FILES_CHANGED}" >> $GITHUB_ENV  # get the char len of diff output (used later)

    - name: Run unit tests
      if: ${{ env.NON_DOCS_FILES_CHANGED != 0 }}
      run: |
        make unit-tests

    - name: Run diagnostics tests
      if: ${{ env.NON_DOCS_FILES_CHANGED != 0 }}
      run: |
         make -f Makefile.diag coverage