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rose-ash/lib/commerce/tests/window.sx
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commerce: time-windowed promotions (19 tests) — Phase 5 ext
window.sx — a validity window kept separate from the promo tuple (promo.sx
untouched): windowed promo (promo from until), inclusive int timestamps, nil =
open bound. active-ruleset filters to promos live at `at` and feeds the existing
promo/stack/quote pipeline; active-codes is the backward "which codes live at
T?" query; windowed-quote is the datetime-aware, deterministic quote.
Total 228/228 across 14 suites.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 11:35:53 +00:00

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;; lib/commerce/tests/window.sx — time-windowed promotions.
;; Uses (commerce-test name got expected) provided by conformance.sh.
(define
pcat
(make-catalog (list (list "widget" 1000 :standard)) (list) (list)))
(define gctx (make-pricing-context pcat (list) :uk :guest))
(define cart (list (list "widget" :none 3)))
(define ten (list :percent "TEN" :standard 1000))
(define twenty (list :percent "TWENTY" :standard 2000))
(define always (list :fixed "ALWAYS" 0 100))
(define
windowed
(list
(windowed-promo ten 100 200)
(windowed-promo twenty 150 300)
(windowed-promo always nil nil)))
(define exclusions (list (list "TEN" "TWENTY")))
;; --- wp-active? boundaries (inclusive) ---
(commerce-test
"active-at-from"
(wp-active? (windowed-promo ten 100 200) 100)
true)
(commerce-test
"active-at-until"
(wp-active? (windowed-promo ten 100 200) 200)
true)
(commerce-test
"inactive-before"
(wp-active? (windowed-promo ten 100 200) 99)
false)
(commerce-test
"inactive-after"
(wp-active? (windowed-promo ten 100 200) 201)
false)
(commerce-test
"open-ended-always"
(wp-active? (windowed-promo always nil nil) 99999)
true)
(commerce-test
"open-lower"
(wp-active? (windowed-promo ten nil 200) 1)
true)
(commerce-test
"open-upper"
(wp-active? (windowed-promo ten 100 nil) 99999)
true)
;; --- active-ruleset filtering ---
(commerce-test
"active-ruleset-120"
(active-ruleset windowed 120)
(list ten always))
(commerce-test
"active-ruleset-160"
(active-ruleset windowed 160)
(list ten twenty always))
(commerce-test
"active-ruleset-250"
(active-ruleset windowed 250)
(list twenty always))
(commerce-test
"active-ruleset-50"
(active-ruleset windowed 50)
(list always))
;; --- active-codes (backward query) ---
(commerce-test
"active-codes-120"
(active-codes windowed 120)
(list "TEN" "ALWAYS"))
(commerce-test
"active-codes-160"
(active-codes windowed 160)
(list "TEN" "TWENTY" "ALWAYS"))
(commerce-test
"active-codes-50"
(active-codes windowed 50)
(list "ALWAYS"))
;; --- windowed-quote: discount changes with time (deterministic) ---
;; subtotal 3000, no tax. TEN=300, TWENTY=600, ALWAYS=100; TEN/TWENTY exclusive.
(commerce-test
"quote-50"
(quote-discount (windowed-quote gctx cart windowed exclusions 50))
100)
(commerce-test
"quote-120"
(quote-discount (windowed-quote gctx cart windowed exclusions 120))
400)
(commerce-test
"quote-160"
(quote-discount (windowed-quote gctx cart windowed exclusions 160))
700)
(commerce-test
"quote-250"
(quote-discount (windowed-quote gctx cart windowed exclusions 250))
700)
(commerce-test
"quote-total-160"
(quote-total (windowed-quote gctx cart windowed exclusions 160))
2300)