pkgs/development/ruby-modules/testing/tap-support.nix


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with builtins;
let
  withIndexes = list: genList (idx: (elemAt list idx) // { index = idx; }) (length list);

  testLine =
    report:
    "${okStr report} ${toString (report.index + 1)} ${report.description}"
    + testDirective report
    + testYaml report;

  # These are part of the TAP spec, not yet implemented.
  #c.f.  https://github.com/NixOS/nixpkgs/issues/27071
  testDirective = report: "";
  testYaml = report: "";

  okStr = { result, ... }: if result == "pass" then "ok" else "not ok";
in
{
  output =
    reports:
    ''
      TAP version 13
      1..${toString (length reports)}''
    + (foldl' (l: r: l + "\n" + r) "" (map testLine (withIndexes reports)))
    + ''

      # Finished at ${toString currentTime}
    '';
}