name: CI

on:
  push:
    branches:
      - master
  pull_request:

jobs:
  test:
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      # Fail fast is disabled because there are Go version specific features and tests
      # that should be able to fail independently.
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        go: ['1.15', '1.16', '1.17', '1.18']
        tags: ['', 'viper_yaml2', 'viper_toml2']
    env:
      GOFLAGS: -mod=readonly

    steps:
      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ matrix.go }}

      - name: Checkout code
        uses: actions/checkout@v3

      - name: Test
        run: go test -race -tags '${{ matrix.tags }}' -v ./...
        if: runner.os != 'Windows'

      - name: Test (without race detector)
        run: go test -tags '${{ matrix.tags }}' -v ./...
        if: runner.os == 'Windows'

  lint:
    name: Lint
    runs-on: ubuntu-latest
    env:
      GOFLAGS: -mod=readonly

    steps:
      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: 1.17

      - name: Checkout code
        uses: actions/checkout@v3

      - name: Lint
        uses: golangci/golangci-lint-action@v3
        with:
          version: v1.45.2