name: Tests

on:
  pull_request:
    branches:
      - master
    types: [opened, synchronize]
    paths-ignore:
      - 'scripts/**'
      - '**/*.md'
  workflow_dispatch:

env:
  GO111MODULE: "on"

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v2
        with:
          version: latest

  gomodcheck:
    name: Check internal dependencies
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Check dependencies
        run: |
          ./scripts/check_deps.sh

  test_cover:
    name: Coverage
    runs-on: ubuntu-20.04

    env:
      CGO_ENABLED: 0
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Sync VM submodule
        run: |
          git submodule sync
          git submodule update --init

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.18

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Write coverage profile
        run: go test -v ./... -coverprofile=./coverage.txt -covermode=atomic -coverpkg=./pkg...,./cli/...

      - name: Upload coverage results to Codecov
        uses: codecov/codecov-action@v2
        with:
          fail_ci_if_error: true # if something is wrong on uploading codecov results, then this job will fail
          files: ./coverage.txt
          verbose: true

  tests:
    name: Run tests
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-20.04, windows-2022]
        go_versions: [ '1.16', '1.17', '1.18' ]
        exclude:
          # Only latest Go version for Windows.
          - os: windows-2022
            go_versions: '1.16'
          - os: windows-2022
            go_versions: '1.17'
          # Exclude latest Go version for Ubuntu as Coverage uses it.
          - os: ubuntu-20.04
            go_versions: '1.18'
      fail-fast: false
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: '${{ matrix.go_versions }}'

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Sync VM submodule
        run: |
          git submodule sync
          git submodule update --init

      - name: Run tests
        run: go test -v -race ./...