on: [push, pull_request]
name: Test
jobs:
  test:
    env:
      GOPATH: ${{ github.workspace }}
    defaults:
      run:
        working-directory: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
    strategy:
      matrix:
        go-version: [1.8.x, 1.9.x, 1.10.x, 1.11.x, 1.12.x, 1.13.x, 1.14.x, 1.15.x]
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
    - name: Install Go
      uses: actions/setup-go@v2
      with:
        go-version: ${{ matrix.go-version }}
    - name: Checkout code
      uses: actions/checkout@v2
      with:
        path: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
    - name: Checkout dependencies
      run: go get golang.org/x/xerrors
    - name: Test
      run: go test -v -race ./...
    - name: Format
      if: matrix.go-version == '1.15.x'
      run: diff -u <(echo -n) <(gofmt -d .)