{
  describe,
  it,
  ...
}: let
  builder = import ../nixite/builder.nix;
in
  with builder; [
    (describe "buildSiteTo" [
      (it "copies all the files" {
        actual = buildSiteTo "." {
          page = "this is a page";
          subdir = {
            page = "this page is in a subdir";
            link = ./src;
          };
        };
        expected = ''
          cp /nix/store/crirfz0n6f8dgl1si3x7pwyw7fqm0r8l-page ./page
           mkdir -p ./subdir
          cp -r /nix/store/q95cn7ccixzi9w22aic4bl0ykk40ka7v-src ./subdir/link
           cp /nix/store/ic6fyy8wg8r4338a3m5kinmg11igxsyj-page ./subdir/page

        '';
      })

      (it "throws with a list for a page" {
        actual = buildSiteTo "." {page = [];};
        throws = true;
      })

      (it "throws with null for a page" {
        actual = buildSiteTo "." {page = null;};
        throws = true;
      })

      (it "throws with a bool for a page" {
        actual = buildSiteTo "." {page = true;};
        throws = true;
      })

      (it "throws with a number for a page" {
        actual = buildSiteTo "." {page = 5;};
        throws = true;
      })
    ])
  ]