on: [push, pull_request]
name: tests
env:
  GO111MODULE: on

jobs:
  test:
    strategy:
      matrix:
        go-version: [1.x, 1.12.x]
        platform: [ubuntu-latest, windows-latest]
    runs-on: ${{ matrix.platform }}

    steps:
    - uses: actions/setup-go@v1
      with:
        go-version: ${{ matrix.go-version }}
    - uses: actions/checkout@v2

    - name: Cache go modules
      uses: actions/cache@v1
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
        restore-keys: ${{ runner.os }}-go-

    - name: Run go fmt
      if: runner.os != 'Windows'
      run: diff -u <(echo -n) <(gofmt -d -s .)

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

    - name: Run go test
      run: go test -v -race -coverprofile coverage.txt -covermode atomic ./...

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v1
      with:
        token: ${{ secrets.CODECOV_TOKEN }}