name: tests

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  crystal:
    runs-on: ubuntu-latest
    container:
      image: crystallang/crystal
    steps:
    - uses: actions/checkout@v3
    - name: Run tests
      run: crystal spec tests/main.cr --verbose
    - name: Check formatting
      run: crystal tool format --check
  nix:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: cachix/install-nix-action@v22
    - run: nix flake check