{ self, ... }:
{
  perSystem =
    {
      pkgs,
      config,
      system,
      helpers,
      makeNixvimWithModuleUnfree,
      makeNixvimWithModule,
      ...
    }:
    {
      checks = {
        tests = import ../tests {
          inherit pkgs helpers makeNixvimWithModule;
          inherit (pkgs) lib;
          makeNixvim =
            configuration:
            makeNixvimWithModuleUnfree {
              module = {
                config = configuration;
              };
            };
        };

        extra-args-tests = import ../tests/extra-args.nix {
          inherit pkgs;
          inherit makeNixvimWithModule;
        };

        extend = import ../tests/extend.nix { inherit pkgs makeNixvimWithModule; };

        enable-except-in-tests = import ../tests/enable-except-in-tests.nix {
          inherit pkgs makeNixvimWithModule;
          inherit (self.lib.${system}.check) mkTestDerivationFromNixvimModule;
        };

        no-flake = import ../tests/no-flake.nix {
          inherit system;
          inherit (self.lib.${system}.check) mkTestDerivationFromNvim;
          nixvim = "${self}";
        };

        lib-tests = import ../tests/lib-tests.nix {
          inherit pkgs helpers;
          inherit (pkgs) lib;
        };
      };
    };
}