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;;; test-wttrin-debug-enable.el --- Tests for wttrin-debug-enable -*- lexical-binding: t; -*-
;; Copyright (C) 2025-2026 Craig Jennings
;;; Commentary:
;; Unit tests for wttrin-debug-enable. Verifies the interactive command
;; flips `wttrin-debug' to t and is idempotent when already enabled.
;;; Code:
(require 'ert)
(require 'wttrin)
(require 'testutil-wttrin)
(require 'wttrin-debug
(expand-file-name "wttrin-debug.el"
(file-name-directory (locate-library "wttrin"))))
;;; Normal Cases
(ert-deftest test-wttrin-debug-enable-normal-flips-from-nil-to-t ()
"Calling enable when wttrin-debug is nil sets it to t."
(let ((wttrin-debug nil))
(wttrin-debug-enable)
(should (eq wttrin-debug t))))
(ert-deftest test-wttrin-debug-enable-normal-idempotent-when-already-enabled ()
"Calling enable when wttrin-debug is already t leaves it t."
(let ((wttrin-debug t))
(wttrin-debug-enable)
(should (eq wttrin-debug t))))
;;; Boundary Cases
(ert-deftest test-wttrin-debug-enable-boundary-overrides-non-boolean-truthy-value ()
"Calling enable replaces a non-boolean truthy value with t."
(let ((wttrin-debug 'verbose))
(wttrin-debug-enable)
(should (eq wttrin-debug t))))
(provide 'test-wttrin-debug-enable)
;;; test-wttrin-debug-enable.el ends here
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