test.yml

name: Test

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

jobs:
  test:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: "1.23"

      - name: Test
        run: go test ./...

      - name: Vet
        run: go vet ./...

  unit_tests:
    name: "Unit tests"
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: "1.23"

      - name: Run tests with coverage
        run: go test ./... -coverprofile=coverage.txt -covermode=atomic

      - name: Upload coverage artifact
        uses: actions/upload-artifact@v4
        with:
          name: code-coverage
          path: coverage.txt
          if-no-files-found: error

      - name: Generate coverage badge
        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
        run: |
          TOTAL=$(go tool cover -func=coverage.txt | grep '^total:' | awk '{print $NF}' | tr -d '%')
          echo "Total coverage: ${TOTAL}%"

          # Determine badge color
          if (( $(echo "$TOTAL >= 80" | bc -l) )); then
            COLOR="brightgreen"
          elif (( $(echo "$TOTAL >= 60" | bc -l) )); then
            COLOR="green"
          elif (( $(echo "$TOTAL >= 40" | bc -l) )); then
            COLOR="yellowgreen"
          elif (( $(echo "$TOTAL >= 20" | bc -l) )); then
            COLOR="yellow"
          else
            COLOR="orange"
          fi

          # Write shields.io endpoint JSON
          mkdir -p .github/badges
          cat > .github/badges/coverage.json <<-EOF
          {
            "schemaVersion": 1,
            "label": "coverage",
            "message": "${TOTAL}%",
            "color": "${COLOR}"
          }
          EOF

          # Commit and push badge data to main
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add .github/badges/coverage.json
          git diff --cached --quiet || git commit -m "Update coverage badge [skip ci]"
          git push

      - name: Run shell tests
        run: bash static/build/docker-entrypoint_test.sh

  code_coverage:
    name: "Code coverage report"
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    needs: unit_tests
    continue-on-error: true  # Don't block PR if baseline is missing (first run)
    permissions:
      contents:      read
      actions:       read
      pull-requests: write
    steps:
      - uses: fgrosse/go-coverage-report@v1.1.1
        with:
          coverage-artifact-name: "code-coverage"
          coverage-file-name: "coverage.txt"

  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: "1.23"

      - uses: golangci/golangci-lint-action@v6
        with:
          version: latest

  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: "1.23"

      - name: Build all targets
        run: |
          GOOS=linux GOARCH=amd64 go build -o /dev/null .
          GOOS=linux GOARCH=arm64 go build -o /dev/null .
          GOOS=darwin GOARCH=amd64 go build -o /dev/null .
          GOOS=darwin GOARCH=arm64 go build -o /dev/null .
          GOOS=windows GOARCH=amd64 go build -o /dev/null .
          GOOS=windows GOARCH=arm64 go build -o /dev/null .