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;;; test-chime-jump-to-event.el --- Tests for chime--jump-to-event navigation -*- lexical-binding: t; -*-
;; Copyright (C) 2026 Craig Jennings
;; Author: Craig Jennings <c@cjennings.net>
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;; Commentary:
;; Unit tests for `chime--jump-to-event'. The function reconstructs an
;; org buffer position from the serialized marker-file + marker-pos pair
;; that survives the async boundary, opens the file, moves point, and
;; reveals the entry.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
(require 'testutil-general (expand-file-name "testutil-general.el"))
(defun test-chime-jump-to-event--make-temp-org-file (content)
"Write CONTENT to a temp .org file under the test base dir and return its path."
(let* ((base (chime-create-test-base-dir))
(path (expand-file-name
(concat (make-temp-name "jump-to-event-") ".org")
base)))
(with-temp-file path
(insert content))
path))
(ert-deftest test-chime-jump-to-event-normal-opens-file-and-moves-point ()
"Normal: opens the event's file and moves point to the recorded position."
(unwind-protect
(let* ((content "* First heading
some body
* Target heading
target body
")
(file (test-chime-jump-to-event--make-temp-org-file content))
(target-pos (with-temp-buffer
(insert-file-contents file)
(goto-char (point-min))
(search-forward "* Target heading")
(line-beginning-position)))
(event (chime--make-event
'(("<2026-05-10 Sun 09:30>" . (26760 32460)))
"Target heading"
'((0 . medium))
file
target-pos))
(buffer-before-jump nil))
(unwind-protect
(progn
(setq buffer-before-jump (current-buffer))
(chime--jump-to-event event)
(should (string= file (buffer-file-name)))
(should (= target-pos (point))))
(when (and (get-file-buffer file))
(kill-buffer (get-file-buffer file)))
(when (buffer-live-p buffer-before-jump)
(switch-to-buffer buffer-before-jump))))
(chime-delete-test-base-dir)))
(ert-deftest test-chime-jump-to-event-boundary-nil-marker-file-no-op ()
"Boundary: an event with nil marker-file does nothing (no error, no jump)."
(let* ((event (chime--make-event
'(("<2026-05-10 Sun 09:30>" . (26760 32460)))
"No File"
'((0 . medium))
nil
123))
(buffer-before (current-buffer)))
(chime--jump-to-event event)
(should (eq buffer-before (current-buffer)))))
(ert-deftest test-chime-jump-to-event-boundary-missing-file-no-op ()
"Boundary: when the recorded file no longer exists, the jump is a no-op."
(let* ((event (chime--make-event
'(("<2026-05-10 Sun 09:30>" . (26760 32460)))
"Missing File"
'((0 . medium))
"/tmp/chime-this-path-does-not-exist-xyz.org"
42))
(buffer-before (current-buffer)))
(chime--jump-to-event event)
(should (eq buffer-before (current-buffer)))))
(ert-deftest test-chime-jump-to-event-boundary-uses-org-show-entry-fallback ()
"Boundary: when `org-fold-show-entry' is unbound, falls back to `org-show-entry'."
(unwind-protect
(let* ((content "* Heading
body
")
(file (test-chime-jump-to-event--make-temp-org-file content))
(event (chime--make-event
'(("<2026-05-10 Sun 09:30>" . (26760 32460)))
"Heading"
'((0 . medium))
file
1))
(fallback-called nil)
(orig-fboundp (symbol-function 'fboundp))
(buffer-before-jump (current-buffer)))
(unwind-protect
(cl-letf (((symbol-function 'fboundp)
(lambda (sym)
(and (not (eq sym 'org-fold-show-entry))
(funcall orig-fboundp sym))))
((symbol-function 'org-show-entry)
(lambda () (setq fallback-called t))))
(chime--jump-to-event event)
(should fallback-called)
(should (string= file (buffer-file-name))))
(when (get-file-buffer file)
(kill-buffer (get-file-buffer file)))
(when (buffer-live-p buffer-before-jump)
(switch-to-buffer buffer-before-jump))))
(chime-delete-test-base-dir)))
(provide 'test-chime-jump-to-event)
;;; test-chime-jump-to-event.el ends here
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