on: [push, pull_request]
name: tests

jobs:
  test:
    strategy:
      matrix:
        go-version: [1.x, 1.16.x]
        platform: [ubuntu-latest]
        include:
          # only update test coverage stats with the most recent go version on linux
          - go-version: 1.x
            platform: ubuntu-latest
            update-coverage: true
    runs-on: ${{ matrix.platform }}

    permissions:
      # styfle/cancel-workflow-action needs to be able to cancel existing action workflows
      actions: write

    steps:
    - name: Cancel previous
      uses: styfle/cancel-workflow-action@89f242ee29e10c53a841bfe71cc0ce7b2f065abc #0.9.0
      with:
        access_token: ${{ github.token }}

    - uses: actions/setup-go@v3
      with:
        go-version: ${{ matrix.go-version }}
    - uses: actions/checkout@v3

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

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

    - name: Upload coverage to Codecov
      if: ${{ matrix.update-coverage }}
      uses: codecov/codecov-action@v3