name: tests
on:
  push:
    branches:
      - 'main'
      - 'release*'
  pull_request:
    branches:
      - 'main'
      - 'release*'

permissions:
  contents: read
  packages: write
  id-token: write

jobs:
  pre-checks:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3.2.0

      - name: Unshallow
        run: git fetch --prune --unshallow

      # see https://michaelheap.com/ensure-github-actions-pinned-sha/
      - name: Ensure SHA pinned actions
        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@fe7afd3f619254d126dcb69aabacc269f8ef8fd7 # pin@v2.0.3
        with:
          # slsa-github-generator requires using a semver tag for reusable workflows. 
          # See: https://github.com/slsa-framework/slsa-github-generator#referencing-slsa-builders-and-generators
          allowlist: |
            slsa-framework/slsa-github-generator

      - name: Setup go
        uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
        with:
          go-version: ~1.19.4

      - name: golangci-lint
        uses: golangci/golangci-lint-action@0ad9a0988b3973e851ab0a07adf248ec2e100376 # pin@v3
        with:
          version: v1.48

      - name: gofmt check
        run: |
          if [ "$(gofmt -s -l . | wc -l)" -ne 0 ]
          then
           echo "The following files were found to be not go formatted:"
           gofmt -s -l .
           echo "Please run 'make fmt' to go format the above files."
           exit 1
          fi

      - name: goimports
        run: |
          go install golang.org/x/tools/cmd/goimports@f112c43328372460f7ac5bc951711609e22b01cc # v0.2.0
          if [ "$(goimports -l . | wc -l)" -ne 0 ]
          then
           echo "The following files were found to have import formatting issues:"
           goimports -l -l .
           echo "Please run 'make fmt' to go format the above files."
           exit 1
          fi

      - name: Checking unused pkgs using go mod tidy
        run: |
          make unused-package-check

      - name: Go vet
        run: |
          make vet

  tests:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      - name: Checkout
        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3.2.0

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go
        uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
        with:
          go-version: ~1.19.4

      - name: Cache Go modules
        uses: actions/cache@4723a57e26efda3a62cbde1812113b730952852d # pin@v3
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Kyverno unit test
        run: |
          export PROJECT_PATH=$(pwd)
          make test-unit