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;;; test-hugo-config-commands.el --- Tests for hugo-config command wrappers + preview helpers -*- lexical-binding: t; -*-
;;; Commentary:
;; Sibling tests cover the pure helpers (`cj/hugo--post-file-path`,
;; `cj/hugo--post-template`, `cj/hugo--post-metadata`,
;; `cj/hugo--collect-drafts`, `cj/hugo-open-blog-dir-external`,
;; `cj/hugo-toggle-draft`). This file covers the remaining
;; commands + preview helpers:
;;
;; cj/hugo-new-post
;; cj/hugo-export-post
;; cj/hugo-open-blog-dir
;; cj/hugo-open-draft
;; cj/hugo--preview-filter
;; cj/hugo--preview-sentinel
;; cj/hugo-preview
;; cj/hugo-publish
;;
;; ox-hugo / magit / hugo / browse-url / dired are all stubbed.
;;; Code:
(require 'ert)
(require 'cl-lib)
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
(require 'hugo-config)
;; ox-hugo isn't installed in the batch environment. Provide a tiny
;; slug stub so the post-creation tests can build a filename.
(unless (fboundp 'org-hugo-slug)
(defun org-hugo-slug (title)
"Stub slugifier for batch tests."
(downcase (replace-regexp-in-string "[^a-zA-Z0-9]+" "-" title))))
;;; cj/hugo-new-post
(ert-deftest test-hugo-new-post-creates-file-with-template ()
"Normal: a new post writes the template to a slugged file."
(let* ((tmp-dir (make-temp-file "test-hugo-" t))
(cj/hugo-content-org-dir tmp-dir))
(unwind-protect
(cl-letf (((symbol-function 'read-from-minibuffer)
(lambda (&rest _) "My New Post"))
((symbol-function 'message) #'ignore))
(cj/hugo-new-post)
(let ((expected (cj/hugo--post-file-path "My New Post")))
(should (file-exists-p expected))
(with-temp-buffer
(insert-file-contents expected)
(should (string-match-p "#\\+title: My New Post" (buffer-string)))
(should (string-match-p "#\\+hugo_draft: true" (buffer-string))))
;; The find-file opened a buffer; kill it so the temp dir can go.
(when-let ((buf (get-file-buffer expected)))
(kill-buffer buf))))
(delete-directory tmp-dir t))))
(ert-deftest test-hugo-new-post-errors-when-file-exists ()
"Error: re-creating an existing post signals user-error."
(let* ((tmp-dir (make-temp-file "test-hugo-" t))
(cj/hugo-content-org-dir tmp-dir))
(unwind-protect
(let* ((path (cj/hugo--post-file-path "Duplicate Post")))
(with-temp-file path (insert "already here"))
(cl-letf (((symbol-function 'read-from-minibuffer)
(lambda (&rest _) "Duplicate Post"))
((symbol-function 'message) #'ignore))
(should-error (cj/hugo-new-post) :type 'user-error)))
(delete-directory tmp-dir t))))
;;; cj/hugo-export-post
(ert-deftest test-hugo-export-post-error-not-in-org-mode ()
"Error: outside org-mode the export errors with user-error.
ox-hugo isn't installed in the batch environment, so `require' is
stubbed before the org-mode-derived guard runs."
(with-temp-buffer
(cl-letf (((symbol-function 'require)
(lambda (feat &rest _) (if (eq feat 'ox-hugo) t (error "unstubbed require: %s" feat))))
((symbol-function 'org-hugo-export-to-md)
(lambda () (error "shouldn't run"))))
(should-error (cj/hugo-export-post) :type 'user-error))))
(ert-deftest test-hugo-export-post-normal-delegates-to-ox-hugo ()
"Normal: in an org-mode buffer the export delegates to `org-hugo-export-to-md'."
(let ((called nil)
(msg nil))
(with-temp-buffer
(delay-mode-hooks (org-mode))
(cl-letf (((symbol-function 'require)
(lambda (feat &rest _) (if (eq feat 'ox-hugo) t (error "unstubbed require: %s" feat))))
((symbol-function 'org-hugo-export-to-md)
(lambda () (setq called t)))
((symbol-function 'message)
(lambda (fmt &rest args) (setq msg (apply #'format fmt args)))))
(cj/hugo-export-post)))
(should called)
(should (string-match-p "Exported" msg))))
;;; cj/hugo-open-blog-dir
(ert-deftest test-hugo-open-blog-dir-creates-and-opens-dired ()
"Normal: missing dir gets created, then dired opens it."
(let* ((tmp (concat (make-temp-file "test-hugo-blog-" t) "/sub"))
(cj/hugo-content-org-dir tmp)
(dired-arg nil))
(unwind-protect
(cl-letf (((symbol-function 'dired)
(lambda (d) (setq dired-arg d))))
(cj/hugo-open-blog-dir))
(when (file-directory-p tmp) (delete-directory tmp t)))
(should (equal dired-arg tmp))))
;;; cj/hugo-open-draft
(ert-deftest test-hugo-open-draft-empty-list-messages ()
"Boundary: no drafts -> messages \"No drafts\"."
(let ((msg nil))
(cl-letf (((symbol-function 'cj/hugo--collect-drafts)
(lambda (_) nil))
((symbol-function 'message)
(lambda (fmt &rest args)
(setq msg (apply #'format fmt args)))))
(cj/hugo-open-draft))
(should (string-match-p "No drafts" msg))))
(ert-deftest test-hugo-open-draft-picks-via-completing-read ()
"Normal: with drafts, completing-read picks one and find-file opens it."
(let ((opened nil))
(cl-letf (((symbol-function 'cj/hugo--collect-drafts)
(lambda (_) '(("Foo Post" . "/tmp/foo.org")
("Bar Post" . "/tmp/bar.org"))))
((symbol-function 'completing-read)
(lambda (&rest _) "Foo Post"))
((symbol-function 'find-file)
(lambda (f) (setq opened f))))
(cj/hugo-open-draft))
(should (equal opened "/tmp/foo.org"))))
;;; cj/hugo--preview-filter
(ert-deftest test-hugo-preview-filter-opens-browser-on-ready-line ()
"Normal: a 'Web Server is available' line in OUTPUT triggers `browse-url'."
(let ((url nil))
(cl-letf (((symbol-function 'process-buffer)
(lambda (_) nil))
((symbol-function 'process-live-p)
(lambda (_) t))
((symbol-function 'browse-url)
(lambda (u) (setq url u)))
((symbol-function 'set-process-filter) #'ignore))
(cj/hugo--preview-filter 'fake-proc
"Web Server is available at http://localhost:1313/\n"))
(should (equal url "http://localhost:1313/"))))
(ert-deftest test-hugo-preview-filter-does-not-open-on-other-output ()
"Boundary: arbitrary output doesn't trigger the browser."
(let ((url nil))
(cl-letf (((symbol-function 'process-buffer) (lambda (_) nil))
((symbol-function 'process-live-p) (lambda (_) t))
((symbol-function 'browse-url)
(lambda (u) (setq url u)))
((symbol-function 'set-process-filter) #'ignore))
(cj/hugo--preview-filter 'fake-proc "Hugo built site in 5ms\n"))
(should-not url)))
;;; cj/hugo--preview-sentinel
(ert-deftest test-hugo-preview-sentinel-clears-process-var-on-clean-exit ()
"Normal: a clean exit clears `cj/hugo--preview-process'."
(let ((cj/hugo--preview-process 'fake-proc))
(cl-letf (((symbol-function 'process-status) (lambda (_) 'exit))
((symbol-function 'process-exit-status) (lambda (_) 0)))
(cj/hugo--preview-sentinel 'fake-proc "finished\n"))
(should-not cj/hugo--preview-process)))
(ert-deftest test-hugo-preview-sentinel-messages-on-crash ()
"Boundary: a non-zero exit logs the crash message."
(let ((cj/hugo--preview-process 'fake-proc)
(msg nil))
(cl-letf (((symbol-function 'process-status) (lambda (_) 'exit))
((symbol-function 'process-exit-status) (lambda (_) 1))
((symbol-function 'message)
(lambda (fmt &rest args)
(setq msg (apply #'format fmt args)))))
(cj/hugo--preview-sentinel 'fake-proc "exited abnormally\n"))
(should (string-match-p "hugo server crashed" msg))))
;;; cj/hugo-preview
(ert-deftest test-hugo-preview-stops-running-server ()
"Normal: with a live process, preview kills it and clears the var."
(let ((cj/hugo--preview-process 'fake-proc)
(killed nil)
(msg nil))
(cl-letf (((symbol-function 'process-live-p) (lambda (_) t))
((symbol-function 'kill-process)
(lambda (p) (setq killed p)))
((symbol-function 'message)
(lambda (fmt &rest args)
(setq msg (apply #'format fmt args)))))
(cj/hugo-preview))
(should (eq killed 'fake-proc))
(should-not cj/hugo--preview-process)
(should (string-match-p "stopped" msg))))
(ert-deftest test-hugo-preview-starts-server-when-stopped ()
"Normal: with no live process, preview starts the hugo server."
(let ((cj/hugo--preview-process nil)
(start-args nil))
(cl-letf (((symbol-function 'process-live-p) (lambda (_) nil))
((symbol-function 'start-process)
(lambda (&rest args)
(setq start-args args)
'fake-proc))
((symbol-function 'set-process-filter) #'ignore)
((symbol-function 'set-process-sentinel) #'ignore)
((symbol-function 'message) #'ignore))
(cj/hugo-preview))
(should (eq cj/hugo--preview-process 'fake-proc))
(should (member "server" start-args))))
;;; cj/hugo-publish
(ert-deftest test-hugo-publish-opens-magit-on-website-dir ()
"Normal: publish hands off to `magit-status-setup-buffer' on the website dir."
(let ((called-with nil))
(cl-letf (((symbol-function 'magit-status-setup-buffer)
(lambda (d) (setq called-with d))))
(cj/hugo-publish))
(should (equal called-with website-dir))))
(provide 'test-hugo-config-commands)
;;; test-hugo-config-commands.el ends here
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