name: Main workflow

on:
  pull_request:
  push:
  schedule:
    - cron: '0 1 * * SAT'

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  Tests:
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, ubuntu-latest, windows-latest]
        ocaml:
          - ocaml-base-compiler.5.0.0~alpha0
          - 4.14.0
        include:
          - {os: ubuntu-latest, ocaml: 4.13.1}
          - {os: ubuntu-latest, ocaml: 4.12.1}
          - {os: ubuntu-latest, ocaml: 4.11.2}
        exclude:
          - {os: windows-latest, ocaml: ocaml-base-compiler.5.0.0~alpha0}

    runs-on: ${{ matrix.os }}

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

      - name: Setup OCaml ${{ matrix.ocaml }}
        uses: ocaml/setup-ocaml@v2
        with:
          cache-prefix: v1-${{ matrix.os }}-${{ matrix.ocaml }}
          dune-cache: true
          ocaml-compiler: ${{ matrix.ocaml }}

      - name: Build dependencies
        run: opam install . --deps-only --with-test

      - name: Build library
        run: opam exec -- dune build

      - name: Run test suite
        run: opam exec -- dune runtest