nixpkgs/pkgs/data/fonts/junicode/tests.nix

{ lib, runCommand, junicode, texliveBasic }:
let
  texliveWithJunicode = texliveBasic.withPackages (p: [ p.xetex junicode ]);

  texTest = { package, tex, fonttype, file }:
    lib.attrsets.nameValuePair "${package}-${tex}-${fonttype}" (
      runCommand "${package}-test-${tex}-${fonttype}.pdf"
        {
          nativeBuildInputs = [ texliveWithJunicode ];
          inherit tex fonttype file;
        } ''
        substituteAll $file test.tex
        HOME=$PWD $tex test.tex
        cp test.pdf $out
      '');
in
builtins.listToAttrs (
  lib.mapCartesianProduct texTest
    {
      tex = [ "xelatex" "lualatex" ];
      fonttype = [ "ttf" "otf" ];
      package = [ "junicode" ];
      file = [ ./test.tex ];
    }
  ++
  [
    (texTest {
      package = "junicodevf";
      fonttype = "ttf";
      tex = "lualatex";
      file = ./test-vf.tex;
    })
  ]
)