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;;; test-chime-edge-coverage.el --- Cover edge branches surfaced by coverage gaps -*- 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:
;; Small focused tests that exercise specific branches missed by the
;; per-function suites. Each test points at the line range it covers
;; so future readers can correlate quickly.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
(require 'testutil-time (expand-file-name "testutil-time.el"))
(require 'cl-lib)
;;;; chime--day-wide-notification-text fallback (chime.el ~ "t branch")
(ert-deftest test-chime-day-wide-notification-text-future-event-uses-today-fallback ()
"Boundary: a future event reaches the cond's `t' fallback when no advance notice is configured."
(let* ((future-time (test-time-tomorrow-at 10 0))
(timestamp (test-timestamp-string future-time t))
(event (chime--make-event (list (cons timestamp nil))
"Future Event"
'((0 . medium))))
(chime-day-wide-advance-notice nil))
(should (string= "Future Event is due or scheduled today"
(chime--day-wide-notification-text event)))))
;;;; chime--format-event-for-tooltip pcase fallback
(ert-deftest test-chime-format-event-for-tooltip-unknown-placeholder-passes-through ()
"Boundary: unknown %X placeholders fall through the pcase and are kept as-is."
(let* ((time (test-time-today-at 14 30))
(timestamp (test-timestamp-string time))
(chime-tooltip-event-format "%t %T %u %X %Z")
(result (chime--format-event-for-tooltip timestamp 30 "Meeting")))
(should (string-match-p "%X" result))
(should (string-match-p "%Z" result))))
;;;; chime--build-upcoming-events-list show-all-day-p=nil branch
(ert-deftest test-chime-build-upcoming-events-list-filters-day-wide-when-not-shown ()
"Normal: when SHOW-ALL-DAY-P is nil, the call routes through `chime--filter-day-wide-events'."
(let* ((now (test-time-now))
(timed-time (test-time-at 0 1 0))
(timed-ts (test-timestamp-string timed-time))
(all-day-ts (test-timestamp-string now t))
(event (chime--make-event
(list (cons timed-ts timed-time)
(cons all-day-ts nil))
"Mixed Event"
'((0 . medium))))
(lookahead 1440))
(let ((with-all (chime--build-upcoming-events-list (list event) now lookahead t))
(without-all (chime--build-upcoming-events-list (list event) now lookahead nil)))
(should (= 1 (length with-all)))
(should (= 1 (length without-all)))
;; Both pick the timed entry as soonest; the branch coverage is the
;; point of this test.
(should (equal (nth 1 (car with-all))
(nth 1 (car without-all)))))))
;;;; chime--timestamp-parse error path without context arg
(ert-deftest test-chime-timestamp-parse-error-without-context-omits-context-suffix ()
"Error: when CONTEXT is nil, the failure message omits the in '...' suffix."
(let ((captured nil))
(cl-letf (((symbol-function 'org-parse-time-string)
(lambda (&rest _) (error "synthetic parse failure")))
((symbol-function 'message)
(lambda (fmt &rest args)
(push (apply #'format fmt args) captured))))
(should (null (chime--timestamp-parse "<2026-05-11 Mon 09:30>"))))
(let ((joined (mapconcat #'identity captured "\n")))
(should (string-match-p "Failed to parse timestamp" joined))
;; No "in '...': " suffix when context is nil.
(should-not (string-match-p " in '" joined)))))
(ert-deftest test-chime-timestamp-parse-error-with-context-includes-context-suffix ()
"Error: when CONTEXT is non-nil, the failure message includes the in '...' suffix."
(let ((captured nil))
(cl-letf (((symbol-function 'org-parse-time-string)
(lambda (&rest _) (error "synthetic parse failure")))
((symbol-function 'message)
(lambda (fmt &rest args)
(push (apply #'format fmt args) captured))))
(should (null (chime--timestamp-parse "<2026-05-11 Mon 09:30>"
"ContextEvent"))))
(let ((joined (mapconcat #'identity captured "\n")))
(should (string-match-p "in 'ContextEvent'" joined)))))
;;;; chime--extract-gcal-timestamps drawer without :END:
(ert-deftest test-chime-extract-gcal-timestamps-drawer-without-end-returns-empty ()
"Boundary: drawer without a closing :END: yields no timestamps and does not error.
Exercises the `(point)' fallback branch in the drawer-end computation."
(let* ((future (test-time-tomorrow-at 9 30))
(ts (test-timestamp-string future))
(content (format "* Meeting
:org-gcal:
%s
" ts)))
(with-temp-buffer
(org-mode)
(insert content)
(goto-char (point-min))
(should (null (chime--extract-gcal-timestamps "Meeting"))))))
;;;; chime--display-validation-results :error branch
(ert-deftest test-chime-display-validation-results-counts-error-results ()
"Normal: results with :error severity get counted into the summary."
(let ((messages nil)
(chime-validation-summary-format "errs=%d%s warns=%d%s"))
(cl-letf (((symbol-function 'message)
(lambda (fmt &rest args)
(push (apply #'format fmt args) messages))))
(chime--display-validation-results
'((:error "first failed" "first detail")
(:error "second failed" "second detail")
(:warning "third soft" "third detail")
(:ok "fourth ok" nil))))
(should (member "errs=2s warns=1" (nreverse messages)))))
;;;; chime--record-async-failure with chime-debug feature loaded
(ert-deftest test-chime-record-async-failure-calls-debug-logger-when-feature-loaded ()
"Normal: when the chime-debug feature is loaded, the debug logger is invoked."
(let ((logged nil)
(chime--consecutive-async-failures 0)
(chime-max-consecutive-failures 0)
(chime-modeline-no-events-text " ⏰")
(chime-modeline-string nil))
(cl-letf (((symbol-function 'featurep)
(lambda (feat &rest _) (eq feat 'chime-debug)))
((symbol-function 'chime--debug-log-async-error)
(lambda (err) (setq logged err)))
((symbol-function 'force-mode-line-update) (lambda (&optional _))))
(chime--record-async-failure '(error "boom") "Async error"))
(should (equal '(error "boom") logged))))
;;;; chime--log-silently mid-line branch (point not at BOL)
(ert-deftest test-chime-log-silently-inserts-leading-newline-when-not-at-bol ()
"Boundary: when *Messages* tail is mid-line, log-silently inserts a leading newline."
(with-current-buffer (get-buffer-create "*Messages*")
(let ((inhibit-read-only t))
(goto-char (point-max))
(insert "no-newline-prefix")
(let ((pos-before (point-max)))
(chime--log-silently "edge-coverage")
(goto-char pos-before)
;; The inserted newline separates the two strings.
(should (looking-at "\n"))
(should (search-forward "edge-coverage" nil t))))))
(provide 'test-chime-edge-coverage)
;;; test-chime-edge-coverage.el ends here
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