{
  lib,
  pkgs,
  ...
}: let
  cilib = import ./../lib {inherit lib pkgs;};
in {
  nixtest.suites."Helpers" = {
    pos = __curPos;
    tests = let
      inherit (cilib) helpers;
    in [
      {
        name = "appendToAfterScript nix disabled";
        expected = {};
        actual = helpers.appendToAfterScript [] {};
      }
      {
        name = "appendToAfterScript empty";
        expected = {
          nix.enable = true;
          after_script = [];
        };
        actual = helpers.appendToAfterScript [] {nix.enable = true;};
      }
      {
        name = "appendToAfterScript";
        expected = {
          nix.enable = true;
          after_script = ["echo after_script" "finalize_nix_ci"];
        };
        actual = helpers.appendToAfterScript ["finalize_nix_ci"] {
          nix.enable = true;
          after_script = ["echo after_script"];
        };
      }
      {
        name = "prependToBeforeScript nix disabled";
        expected = {};
        actual = helpers.prependToBeforeScript [] {};
      }
      {
        name = "prependToBeforeScript empty";
        expected = {
          nix.enable = true;
          before_script = [];
        };
        actual = helpers.prependToBeforeScript [] {nix.enable = true;};
      }
      {
        name = "prependToBeforeScript";
        expected = {
          nix.enable = true;
          before_script = ["setup_nix_ci" "echo before_script"];
        };
        actual = helpers.prependToBeforeScript ["setup_nix_ci"] {
          nix.enable = true;
          before_script = ["echo before_script"];
        };
      }
      {
        name = "toYaml";
        expected = ''{"hello":"world"}'';
        actual = builtins.readFile (helpers.toYaml "test" {hello = "world";});
      }
      {
        name = "filterAttrsRec";
        expected = {world = "world";};
        actual = helpers.filterAttrsRec (n: v: v != null) {
          hello = null;
          world = "world";
        };
      }
      {
        name = "filterJobVariables with store paths";
        expected = {HELLO = "${pkgs.hello}";};
        actual = helpers.filterJobVariables true {
          variables = {
            HELLO = "${pkgs.hello}";
            WORLD = "world";
          };
        };
      }
      {
        name = "filterJobVariables without store paths";
        expected = {WORLD = "world";};
        actual = helpers.filterJobVariables false {
          variables = {
            HELLO = "${pkgs.hello}";
            WORLD = "world";
          };
        };
      }
    ];
  };
}