name: Test Runner

on:
  workflow_call:
    inputs:
      runs-on:
        required: true
        type: string
      system:
        required: true
        type: string
      installer_version:
        required: true
        type: string

env:
  nixpkgs_channel: nixpkgs=channel:nixos-25.05

jobs:
  simple-build:
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
    - name: Install Nix
      uses: ./
      with:
        nix_path: ${{ env.nixpkgs_channel }}
    - name: Test environment variables
      run: ./tests/test-env.sh
    - run: nix-env -iA cachix -f https://cachix.org/api/v1/install
    - run: cat /etc/nix/nix.conf
    # cachix should be available and be able to configure a cache
    - run: cachix use cachix
    - run: nix-build tests/test-build.nix

  custom-nix-path:
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
    - name: Install Nix
      uses: ./
      with:
        nix_path: ${{ env.nixpkgs_channel }}
    - run: test $NIX_PATH == '${{ env.nixpkgs_channel }}'
    - run: nix-build tests/test-build.nix

  extra-nix-config:
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
    - name: Install Nix
      uses: ./
      with:
        nix_path: ${{ env.nixpkgs_channel }}
        extra_nix_config: |
          sandbox = relaxed
    - run: cat /etc/nix/nix.conf
    - run: nix-build tests/test-build.nix --arg noChroot true

  flakes:
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
    - name: Install Nix
      uses: ./
    - run: nix flake show github:NixOS/nixpkgs

  latest-installer:
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
    - name: Run NAR server
      run: |
        curl --location https://github.com/cachix/nar-toolbox/releases/download/v0.1.0/nar-toolbox-${{ inputs.system }} -O
        chmod +x ./nar-toolbox-${{ inputs.system }}
        ./nar-toolbox-${{ inputs.system }} serve https://cache.nixos.org &
    - name: Install Nix
      uses: ./
      with:
        nix_path: ${{ env.nixpkgs_channel }}
        install_url: https://hydra.nixos.org/job/nix/master/installerScript/latest-finished/download/1/install
        install_options: "--tarball-url-prefix http://localhost:8080"
    - run: nix-build tests/test-build.nix

  oldest-supported-installer:
    runs-on: ${{ inputs.runs-on }}
    steps:
    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
    - name: Install Nix
      uses: ./
      with:
        nix_path: ${{ env.nixpkgs_channel }}
        install_url: https://releases.nixos.org/nix/${{ inputs.installer_version }}/install
    - run: nix-build tests/test-build.nix