name: Run go tests
on:
  push:
    paths:
      - '**.go'
  pull_request:
    paths:
      - '**.go'

env:
  GOPATH: /go_path
  GOCACHE: /go_cache

jobs:
  test:
    runs-on: ubuntu-latest
    timeout-minutes: 5
    env:
    steps:
    - uses: actions/checkout@v4

    - name: Set up Go
      uses: https://github.com/actions/setup-go@v4
      with:
        go-version: 1.21
        use-latest: true
    
    - name: Hash go.mod and go.sum
      uses: https://gitea.com/actions/go-hashfiles@v0.0.1
      id: hash-go
      with:
        patterns: |
          go.mod
          go.sum
    
    - name: Cache go 
      uses: actions/cache@v3
      id: cache-go
      with:
        path: |
          /go_path
          /go_cache
        key: cache-go-${{ steps.hash-go.outputs.hash }}

    - name: Go mod download
      run: go mod download

    - name: Go mod verify
      run: go mod verify
    
    - name: Go mod tidy
      run: go mod tidy && git diff --exit-code

    - name: Check gofmt
      run: gofmt -s -w . && git diff --exit-code

    - name: Check go vet
      run: go vet ./...
    
    - name: Build
      run: go build -v ./...

    - name: Test
      run: go test -cover -coverprofile=/tmp/cov.out -v ./...
    
    - name: Make coverage report
      run: go tool cover -html=/tmp/cov.out -o /tmp/cov.html
    
    - name: Publish coverage report
      uses: actions/upload-artifact@v3
      with:
        name: coverage-report
        path: /tmp/cov.html