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;;; test-markdown-config.el --- Tests for markdown-config -*- lexical-binding: t; -*-
;;; Commentary:
;; Covers the org-side wiring in markdown-config.el. The use-package
;; block for markdown-mode itself is upstream config; the assertion
;; here is on the local glue that points org at markdown-mode for
;; `#+begin_src markdown' blocks.
;;; Code:
(require 'ert)
(require 'cl-lib)
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
;; Require org BEFORE markdown-config so the `with-eval-after-load
;; 'org' body fires synchronously instead of being deferred.
(require 'org)
(require 'markdown-config)
;; simple-httpd (elpa) is absent under `make test'; stand in for it so
;; the preview path's (require 'simple-httpd) stays a no-op. Tests mock
;; httpd-running-p explicitly, so the stub bodies never matter.
(unless (featurep 'simple-httpd)
(defun httpd-running-p () nil)
(defun httpd-start () nil)
(provide 'simple-httpd))
(ert-deftest test-markdown-config-registers-markdown-org-src-lang ()
"Normal: `markdown' shows up in `org-src-lang-modes' mapped to
`markdown' so org-lint stops warning on `#+begin_src markdown' and
`C-c '' opens those blocks in `markdown-mode'."
(should (equal (cdr (assoc "markdown" org-src-lang-modes)) 'markdown)))
;;; cj/markdown-html (impatient-mode filter: source buffer -> HTML)
(ert-deftest test-markdown-html-wraps-source-buffer-content ()
"Normal: the source buffer's text is embedded in the strapdown HTML shell."
(let ((src (generate-new-buffer " *md-src*")))
(unwind-protect
(progn
(with-current-buffer src (insert "# Title\n\nsome **markdown**"))
(with-temp-buffer
(cj/markdown-html src)
(let ((html (buffer-string)))
(should (string-match-p "<!DOCTYPE html>" html))
(should (string-match-p "<xmp" html))
(should (string-match-p "some \\*\\*markdown\\*\\*" html)))))
(kill-buffer src))))
(ert-deftest test-markdown-html-vendors-strapdown-no-external-cdn ()
"Normal: the preview embeds the vendored strapdown inline and references no
external CDN, so the preview works offline and doesn't load third-party JS over
plain HTTP."
(let ((src (generate-new-buffer " *md-cdn*")))
(unwind-protect
(progn
(with-current-buffer src (insert "# Hello"))
(with-temp-buffer
(cj/markdown-html src)
(let ((html (buffer-string)))
;; No external CDN of any kind.
(should-not (string-match-p "ndossougbe" html))
(should-not (string-match-p "src=\"https?://" html))
;; Vendored strapdown is embedded inline (a bare <script> with the
;; ~121KB bundle, not a <script src=...>).
(should (string-match-p "<script>" html))
(should (> (length html) 100000)))))
(kill-buffer src))))
(ert-deftest test-markdown-html-empty-source-buffer ()
"Boundary: an empty source buffer still yields the HTML shell."
(let ((src (generate-new-buffer " *md-empty*")))
(unwind-protect
(with-temp-buffer
(cj/markdown-html src)
(should (string-match-p "<!DOCTYPE html>" (buffer-string)))
(should (string-match-p "<xmp" (buffer-string))))
(kill-buffer src))))
;;; cj/markdown-preview (autostart: bring the httpd listener up when down)
(defvar imp-user-filter)
(defvar imp-last-state)
(ert-deftest test-markdown-preview-starts-server-when-down ()
"Normal: `cj/markdown-preview' starts the httpd listener when it's down
\(the 2026-07-01 autostart decision replaced the old user-error guard).
Also pins the rename off the bare `markdown-preview' that markdown-mode
shadows. Everything downstream is mocked so no listener or browser runs."
(let ((started nil)
(imp-user-filter nil)
(imp-last-state 0))
(cl-letf (((symbol-function 'httpd-running-p) (lambda () nil))
((symbol-function 'cj/markdown-preview-server-start)
(lambda () (setq started t)))
((symbol-function 'impatient-mode) (lambda (&rest _) nil))
((symbol-function 'imp--notify-clients) (lambda (&rest _) nil))
((symbol-function 'browse-url) (lambda (&rest _) nil)))
(with-temp-buffer
(cj/markdown-preview))
(should started))))
(provide 'test-markdown-config)
;;; test-markdown-config.el ends here
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