defmodule VavPipeline.Tablet55EngineRootNameTest do
  @moduledoc """
  Tablet 55: the Talmudic Engine names roots by letter (bet_resh_aleph,
  read from "bet-resh-aleph"). The pipeline was sending it the Hebrew,
  which its verse facts never match — roots in, no verses out, and a
  "resolved" reading over the emptiness.
  """
  use ExUnit.Case, async: true

  alias VavPipeline.BereishitCycle

  test "from the Shoresh Engine's letter names" do
    assert BereishitCycle.engine_root_name(%{shoresh: "ברא", shoresh_letters: ["bet", "resh", "aleph"]}) ==
             "bet-resh-aleph"
  end

  test "from the Hebrew alone (the L1 fallback), finals folded" do
    assert BereishitCycle.engine_root_name(%{shoresh: "דבר", shoresh_letters: []}) == "dalet-bet-resh"
    assert BereishitCycle.engine_root_name(%{shoresh: "מלך"}) == "mem-lamed-kaf"
  end

  test "nothing nameable → nil, never a Hebrew string the engine cannot read" do
    assert BereishitCycle.engine_root_name(%{shoresh: nil}) == nil
    assert BereishitCycle.engine_root_name(%{shoresh: "x1"}) == nil
    assert BereishitCycle.engine_root_name(%{}) == nil
  end
end