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;;; test-chime-modeline-faces.el --- Tests for themeable modeline faces -*- 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.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Unit tests for chime's themeable modeline faces:
;; - the four deffaces are defined
;; - chime--modeline-urgency-face maps minutes-until to the right face
;; - chime--propertize-modeline-string applies a passed face
;; - chime--render-modeline-string applies the urgency / no-events faces
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
(require 'testutil-events (expand-file-name "testutil-events.el"))
;;; Setup/Teardown
(defun test-chime-faces-setup ()
"Set tooltip formats so render paths produce a tooltip string."
(chime-create-test-base-dir)
(setq chime-tooltip-header-format "Upcoming Events as of %a %b %d %Y @ %I:%M %p")
(setq chime-display-time-format-string "%I:%M %p")
(setq chime-time-left-formats
(list (cons 'at-event "right now")
(cons 'short "in %M")
(cons 'long "in %H %M"))))
(defun test-chime-faces-teardown ()
"Teardown."
(chime-delete-test-base-dir)
(setq chime--upcoming-events nil))
;;; Faces are defined
(ert-deftest test-chime-modeline-faces-are-defined ()
"Normal: chime defines the four themeable modeline faces."
(should (facep 'chime-modeline-face))
(should (facep 'chime-modeline-soon-face))
(should (facep 'chime-modeline-urgent-face))
(should (facep 'chime-modeline-no-events-face)))
;;; Urgency-face mapping — Normal
(ert-deftest test-chime-modeline-urgency-face-default-when-distant ()
"Normal: an event beyond the soon threshold maps to the default face."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-face (chime--modeline-urgency-face 60)))))
(ert-deftest test-chime-modeline-urgency-face-soon ()
"Normal: an event inside the soon window maps to the soon face."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-soon-face (chime--modeline-urgency-face 20)))))
(ert-deftest test-chime-modeline-urgency-face-urgent ()
"Normal: an imminent event maps to the urgent face."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-urgent-face (chime--modeline-urgency-face 2)))))
;;; Urgency-face mapping — Boundary
(ert-deftest test-chime-modeline-urgency-face-at-urgent-threshold ()
"Boundary: minutes exactly at the urgent threshold is urgent."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-urgent-face (chime--modeline-urgency-face 5)))))
(ert-deftest test-chime-modeline-urgency-face-at-soon-threshold ()
"Boundary: minutes exactly at the soon threshold is soon."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-soon-face (chime--modeline-urgency-face 30)))))
(ert-deftest test-chime-modeline-urgency-face-zero-is-urgent ()
"Boundary: an event happening now (0 minutes) is urgent."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-urgent-face (chime--modeline-urgency-face 0)))))
(ert-deftest test-chime-modeline-urgency-face-fractional-minutes ()
"Boundary: fractional minutes (minutes-until is a float) bucket correctly."
(let ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30))
(should (eq 'chime-modeline-urgent-face (chime--modeline-urgency-face 4.5)))
(should (eq 'chime-modeline-soon-face (chime--modeline-urgency-face 5.5)))))
;;; propertize applies face
(ert-deftest test-chime-propertize-applies-face-when-passed ()
"Normal: a non-nil FACE argument becomes the `face' text property."
(test-chime-faces-setup)
(unwind-protect
(let* ((now (test-time-now))
(event-time (time-add now (seconds-to-time 120)))
(ts (test-timestamp-string event-time)))
(setq chime--upcoming-events
(list (list `((title . "Meeting") (times . ((,ts . ,event-time))))
(cons ts event-time) 2)))
(with-test-time now
(let ((result (chime--propertize-modeline-string
" ⏰ Meeting" 'chime-modeline-urgent-face)))
(should (eq 'chime-modeline-urgent-face
(get-text-property 0 'face result))))))
(test-chime-faces-teardown)))
(ert-deftest test-chime-propertize-no-face-when-omitted ()
"Boundary: with no FACE argument, no `face' property is added."
(test-chime-faces-setup)
(unwind-protect
(let* ((now (test-time-now))
(event-time (time-add now (seconds-to-time 1800)))
(ts (test-timestamp-string event-time)))
(setq chime--upcoming-events
(list (list `((title . "Meeting") (times . ((,ts . ,event-time))))
(cons ts event-time) 30)))
(with-test-time now
(let ((result (chime--propertize-modeline-string " ⏰ Meeting")))
(should-not (get-text-property 0 'face result)))))
(test-chime-faces-teardown)))
;;; render applies the urgency / no-events faces
(ert-deftest test-chime-render-applies-urgency-face-to-soonest ()
"Normal: render applies the urgency face matching the soonest event."
(test-chime-faces-setup)
(unwind-protect
(let* ((chime-modeline-urgent-threshold-minutes 5)
(chime-modeline-soon-threshold-minutes 30)
(chime-modeline-format " ⏰ %s")
(now (test-time-now))
(event-time (time-add now (seconds-to-time 120)))
(ts (test-timestamp-string event-time))
(soonest (list `((title . "Meeting")) ts 2 "Meeting in 2 min")))
(setq chime--upcoming-events
(list (list `((title . "Meeting") (times . ((,ts . ,event-time))))
(cons ts event-time) 2)))
(with-test-time now
(let ((result (chime--render-modeline-string
soonest chime--upcoming-events 168)))
(should (eq 'chime-modeline-urgent-face
(get-text-property 0 'face result))))))
(test-chime-faces-teardown)))
(ert-deftest test-chime-render-no-events-applies-no-events-face ()
"Normal: the no-events modeline applies the no-events face."
(test-chime-faces-setup)
(unwind-protect
(let ((chime-modeline-no-events-text " ⏰")
(now (test-time-now)))
(setq chime--upcoming-events nil)
(with-test-time now
(let ((result (chime--render-modeline-string nil nil 168)))
(should (eq 'chime-modeline-no-events-face
(get-text-property 0 'face result))))))
(test-chime-faces-teardown)))
(provide 'test-chime-modeline-faces)
;;; test-chime-modeline-faces.el ends here
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