name: tests

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

concurrency:
  group: "${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}"
  cancel-in-progress: true

jobs:
  test:
    strategy:
      matrix:
        go-version: [stable, oldstable, "1.13"]
        platform: [ubuntu-latest]
        include:
          # only update test coverage stats with most recent go version on linux
          - go-version: stable
            platform: ubuntu-latest
            update-coverage: true
    runs-on: ${{ matrix.platform }}

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5.4.0
        with:
          go-version: ${{ matrix.go-version }}

      - 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@ad3126e916f78f00edff4ed0317cf185271ccc2d #v5.4.2
