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rose-ash/lib/feed/tests/notify.sx
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feed: notification feed — per-recipient inbox, verb filter, (verb,object) digest + 8 tests
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-06 16:51:53 +00:00

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; Follow-up — notification feed over an inbox. (feed-test name got expected)
; an inbox is a stream of {:to receiver :activity act} events
(define mk-ev (fn (to act) {:activity act :to to}))
(define
IB
(feed/stream
(list
(mk-ev "alice" (feed/activity "bob" "like" "P" 10 (list)))
(mk-ev "alice" (feed/activity "carol" "like" "P" 20 (list)))
(mk-ev "alice" (feed/activity "dave" "reply" "Q" 30 (list)))
(mk-ev "bob" (feed/activity "eve" "like" "R" 40 (list))))))
; ---------- raw notifications ----------
(feed-test
"alice notification count"
(feed/count (feed/notifications IB "alice"))
3)
(feed-test
"bob notification count"
(feed/count (feed/notifications IB "bob"))
1)
(feed-test
"zoe no notifications"
(feed/count (feed/notifications IB "zoe"))
0)
; ---------- verb filtering ----------
(feed-test
"alice likes only"
(feed/count (feed/notify-verbs IB "alice" (list "like")))
2)
(feed-test
"alice replies only"
(feed/count (feed/notify-verbs IB "alice" (list "reply")))
1)
(feed-test
"alice like+reply"
(feed/count (feed/notify-verbs IB "alice" (list "like" "reply")))
3)
(feed-test
"alice follow (none)"
(feed/count (feed/notify-verbs IB "alice" (list "follow")))
0)
; ---------- digest ----------
(define dig (feed/notify-digest IB "alice"))
(feed-test "digest group count" (len dig) 2)
(feed-test
"digest sorted by key (like|P before reply|Q)"
(map (fn (g) (get g :object)) dig)
(list "P" "Q"))
(feed-test
"like group actors"
(get (nth dig 0) :actors)
(list "bob" "carol"))
(feed-test "like group count" (get (nth dig 0) :count) 2)
(feed-test "like group verb" (get (nth dig 0) :verb) "like")
(feed-test "reply group count" (get (nth dig 1) :count) 1)
(feed-test
"reply group actors"
(get (nth dig 1) :actors)
(list "dave"))
(feed-test "empty digest for zoe" (feed/notify-digest IB "zoe") (list))