;;; test-ob-elixir-results.el --- Result formatting tests -*- lexical-binding: t; -*-

;;; Commentary:

;; Result formatting tests for ob-elixir package.
;; Results are returned as plain strings without parsing into elisp structures.

;;; Code:

(require 'ert)
(require 'ob-elixir)

;;; Result String Tests

(ert-deftest ob-elixir-test-result-list-as-string ()
  "Test that list results are returned as strings."
  (should (equal "[1, 2, 3]" (ob-elixir--table-or-string "[1, 2, 3]"))))

(ert-deftest ob-elixir-test-result-nested-list-as-string ()
  "Test that nested list results are returned as strings."
  (should (equal "[[1, 2], [3, 4]]"
                 (ob-elixir--table-or-string "[[1, 2], [3, 4]]"))))

(ert-deftest ob-elixir-test-result-tuple-as-string ()
  "Test that tuple results are returned as strings."
  (should (equal "{1, 2, 3}" (ob-elixir--table-or-string "{1, 2, 3}"))))

(ert-deftest ob-elixir-test-result-scalar ()
  "Test that scalars are returned as strings."
  (should (equal "42" (ob-elixir--table-or-string "42")))
  (should (equal ":ok" (ob-elixir--table-or-string ":ok"))))

(ert-deftest ob-elixir-test-result-string ()
  "Test that string results are returned as-is."
  (should (equal "\"hello\"" (ob-elixir--table-or-string "\"hello\""))))

(ert-deftest ob-elixir-test-result-empty ()
  "Test that empty results return nil."
  (should (null (ob-elixir--table-or-string "")))
  (should (null (ob-elixir--table-or-string "   "))))

(ert-deftest ob-elixir-test-result-whitespace-trimmed ()
  "Test that whitespace is trimmed from results."
  (should (equal "42" (ob-elixir--table-or-string "  42  ")))
  (should (equal "[1, 2]" (ob-elixir--table-or-string "\n[1, 2]\n"))))

(ert-deftest ob-elixir-test-execution-returns-string ()
  "Test that execution results are returned as strings."
  (skip-unless (executable-find ob-elixir-command))
  (let ((result (ob-elixir--table-or-string
                 (ob-elixir--execute "[[1, 2], [3, 4]]" 'value))))
    (should (stringp result))
    (should (string-match-p "\\[\\[1, 2\\], \\[3, 4\\]\\]" result))))

(ert-deftest ob-elixir-test-mixed-list-as-string ()
  "Test that mixed-type list results are returned as strings."
  (skip-unless (executable-find ob-elixir-command))
  (let ((result (ob-elixir--table-or-string
                 (ob-elixir--execute "[1, \"two\", :three]" 'value))))
    (should (stringp result))))

(provide 'test-ob-elixir-results)
;;; test-ob-elixir-results.el ends here