name: Go test and lint

on:
  pull_request:
    branches: 'master'

jobs:
  go-test-lint:
    strategy:
      matrix:
        go: [1.18]
        golangcli: [v1.50.0]
        os: [ubuntu-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ matrix.go }}

      - name: Checkout
        uses: actions/checkout@v3

      - name: Go Cache Paths
        id: go-cache-paths
        run: |
          echo "::set-output name=go-build::$(go env GOCACHE)"
          echo "::set-output name=go-mod::$(go env GOMODCACHE)"

      - name: Go Build Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-build }}
          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.sum') }}

      - name: Go Mod Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-mod }}
          key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}

      - name: Validate go mod
        run: |
          go mod tidy
          git --no-pager diff && [[ 0 -eq $(git status --porcelain | wc -l) ]]

      - name: Go Lint
        uses: golangci/golangci-lint-action@v3
        with:
          version: ${{ matrix.golangci }}
          args: "--out-${NO_FUTURE}format colored-line-number"
          skip-pkg-cache: true
          skip-build-cache: true

      - name: Go Build
        run: go build ./...

      - name: Go Test
        run: go test -race -v ./...