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Diffstat (limited to 'tests/test-calendar-sync--expand-monthly.el')
| -rw-r--r-- | tests/test-calendar-sync--expand-monthly.el | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/tests/test-calendar-sync--expand-monthly.el b/tests/test-calendar-sync--expand-monthly.el new file mode 100644 index 00000000..3dc1f2dc --- /dev/null +++ b/tests/test-calendar-sync--expand-monthly.el @@ -0,0 +1,174 @@ +;;; test-calendar-sync--expand-monthly.el --- Tests for calendar-sync--expand-monthly -*- lexical-binding: t; -*- + +;;; Commentary: +;; Characterization tests for calendar-sync--expand-monthly. +;; Captures current behavior before refactoring into unified expand function. +;; Uses dynamic timestamps to avoid hardcoded dates. + +;;; Code: + +(require 'ert) +(require 'testutil-calendar-sync) +(require 'calendar-sync) + +;;; Normal Cases + +(ert-deftest test-calendar-sync--expand-monthly-normal-generates-occurrences () + "Test expanding monthly event generates occurrences within range." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (end-date (test-calendar-sync-time-days-from-now 1 11 0)) + (base-event (list :summary "Monthly Review" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + ;; ~12-15 months of range + (should (> (length occurrences) 10)) + (should (< (length occurrences) 20)))) + +(ert-deftest test-calendar-sync--expand-monthly-normal-preserves-day-of-month () + "Test that each occurrence falls on the same day of month." + (let* ((start-date (test-calendar-sync-time-days-from-now 5 10 0)) + (end-date (test-calendar-sync-time-days-from-now 5 11 0)) + (expected-day (nth 2 start-date)) + (base-event (list :summary "Monthly" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (should (> (length occurrences) 0)) + ;; Day of month should be consistent (may clamp for short months) + (dolist (occ occurrences) + (let ((day (nth 2 (plist-get occ :start)))) + (should (<= day expected-day)))))) + +(ert-deftest test-calendar-sync--expand-monthly-normal-interval-two () + "Test expanding bi-monthly event." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 9 0)) + (end-date (test-calendar-sync-time-days-from-now 1 10 0)) + (base-event (list :summary "Bi-Monthly" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 2)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + ;; ~15 months / 2 = ~7-8 occurrences + (should (>= (length occurrences) 5)) + (should (<= (length occurrences) 10)))) + +(ert-deftest test-calendar-sync--expand-monthly-normal-preserves-time () + "Test that each occurrence preserves the original event time." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 15 45)) + (end-date (test-calendar-sync-time-days-from-now 1 16 45)) + (base-event (list :summary "Timed Monthly" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1 :count 3)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (dolist (occ occurrences) + (let ((s (plist-get occ :start))) + (should (= (nth 3 s) 15)) + (should (= (nth 4 s) 45)))))) + +;;; Boundary Cases + +(ert-deftest test-calendar-sync--expand-monthly-boundary-count-limits-occurrences () + "Test that COUNT limits the total number of occurrences." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (end-date (test-calendar-sync-time-days-from-now 1 11 0)) + (base-event (list :summary "Limited" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1 :count 4)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (should (= (length occurrences) 4)))) + +(ert-deftest test-calendar-sync--expand-monthly-boundary-until-limits-occurrences () + "Test that UNTIL date stops expansion." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (end-date (test-calendar-sync-time-days-from-now 1 11 0)) + (until-date (test-calendar-sync-time-date-only 120)) + (base-event (list :summary "Until-Limited" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1 :until until-date)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + ;; ~4 months of monthly occurrences + (should (>= (length occurrences) 3)) + (should (<= (length occurrences) 5)))) + +(ert-deftest test-calendar-sync--expand-monthly-boundary-count-one-returns-single () + "Test that COUNT=1 returns exactly one occurrence." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (end-date (test-calendar-sync-time-days-from-now 1 11 0)) + (base-event (list :summary "Once" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1 :count 1)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (should (= (length occurrences) 1)))) + +(ert-deftest test-calendar-sync--expand-monthly-boundary-respects-date-range () + "Test that occurrences outside date range are excluded." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (end-date (test-calendar-sync-time-days-from-now 1 11 0)) + (base-event (list :summary "Ranged" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1)) + (range (test-calendar-sync-narrow-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range)) + (range-start (nth 0 range)) + (range-end (nth 1 range))) + (dolist (occ occurrences) + (let* ((s (plist-get occ :start)) + (occ-time (test-calendar-sync-date-to-time-value s))) + (should (time-less-p range-start occ-time)) + (should (time-less-p occ-time range-end)))))) + +(ert-deftest test-calendar-sync--expand-monthly-boundary-preserves-summary () + "Test that each occurrence carries the original summary." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (end-date (test-calendar-sync-time-days-from-now 1 11 0)) + (base-event (list :summary "Team Sync" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1 :count 3)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (dolist (occ occurrences) + (should (equal (plist-get occ :summary) "Team Sync"))))) + +;;; Error Cases + +(ert-deftest test-calendar-sync--expand-monthly-error-past-until-returns-empty () + "Test that UNTIL in the past produces no occurrences in future range." + (let* ((start-date (test-calendar-sync-time-days-ago 200 10 0)) + (end-date (test-calendar-sync-time-days-ago 200 11 0)) + (until-date (test-calendar-sync-time-date-only-ago 100)) + (base-event (list :summary "Past" + :start start-date + :end end-date)) + (rrule (list :freq 'monthly :interval 1 :until until-date)) + (range (list (time-subtract (current-time) (* 30 86400)) + (time-add (current-time) (* 365 86400)))) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (should (= (length occurrences) 0)))) + +(ert-deftest test-calendar-sync--expand-monthly-error-no-end-time-still-works () + "Test that event without :end still generates occurrences." + (let* ((start-date (test-calendar-sync-time-days-from-now 1 10 0)) + (base-event (list :summary "No End" :start start-date)) + (rrule (list :freq 'monthly :interval 1 :count 3)) + (range (test-calendar-sync-wide-range)) + (occurrences (calendar-sync--expand-monthly base-event rrule range))) + (should (= (length occurrences) 3)))) + +(provide 'test-calendar-sync--expand-monthly) +;;; test-calendar-sync--expand-monthly.el ends here |