home-manager/tests/modules/programs/zsh/zsh-abbr.nix

{ ... }:

{
  programs.zsh.zsh-abbr = {
    enable = true;
    abbreviations = { ga = "git add"; };
  };

  test.stubs.zsh-abbr = { };

  nmt.script = ''
    abbreviations=home-files/.config/zsh-abbr/user-abbreviations

    assertFileExists $abbreviations
    assertFileContains $abbreviations "abbr 'ga'='git add'"
  '';
}