Files
rose-ash/lib/host/tests/feed.sx
giles 999249b944 host: SX-native wire — reads + write bodies are text/sx, JSON CRUD deleted
Greenfield SX-native pivot (NOT a strangler): the host speaks SX/SXTP end to end;
JSON only at the future ActivityPub federation edge.

- OUTPUT: host/json-status -> host/sx-status — every host/ok/host/error response is
  text/sx via the serialize primitive (NOT application/json). Flips feed, relations,
  blog reads. Tests assert the SX envelope ({:ok true :data ...}).
- DELETE the blog JSON CRUD /posts (POST/PUT/DELETE) + bearer-based host/blog--protect:
  a pure old-contract REST mirror. Create/edit go through the HTML editor forms;
  programmatic writes speak SXTP. FOLLOW-UP: no browser delete route yet (was JSON-only,
  no UI) — add POST /:slug/delete + cascade edge cleanup when the metamodel UI needs it.
- INPUT: host/sx-body (sxtp.sx) parses a text/sx request body to a string-keyed dict
  (parse-safe + sxtp/-normalize). feed POST + relations attach/detach read it.
- UNIFIED field reader host/fields / host/field: text/sx body OR urlencoded form by
  content-type. The blog form handlers (new/edit/relate/unrelate) + login read through
  it — additive, urlencoded still works (no-engine / bootstrap fallback).

Conformance 290/290 (11 suites). Retires the strangler framing in the plan; adds the
'SX all the way out' wire table. The engine half (browser posts text/sx) follows.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-30 11:07:30 +00:00

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;; lib/host/tests/feed.sx — the migrated feed endpoints, GET /feed (read) and
;; POST /feed (guarded write). Includes a golden test: the host read response
;; body must equal the feed subsystem's own recent-first stream wrapped in the
;; standard envelope — the endpoint adds the HTTP/JSON shell and nothing else.
(define host-fd-pass 0)
(define host-fd-fail 0)
(define host-fd-fails (list))
(define
host-fd-test
(fn
(name actual expected)
(if
(= actual expected)
(set! host-fd-pass (+ host-fd-pass 1))
(begin
(set! host-fd-fail (+ host-fd-fail 1))
(append! host-fd-fails {:name name :actual actual :expected expected})))))
(define
host-fd-req
(fn (target) (dream-request "GET" target {} "")))
(define
host-fd-app
(host/make-app (list host/feed-routes)))
;; ── empty feed ─────────────────────────────────────────────────────
(feed/reset!)
(host-fd-test
"empty feed 200"
(dream-status (host-fd-app (host-fd-req "/feed")))
200)
(host-fd-test
"empty feed data ()"
(contains? (dream-resp-body (host-fd-app (host-fd-req "/feed"))) ":data ()")
true)
;; ── seeded feed ────────────────────────────────────────────────────
(feed/reset!)
(feed/post {:actor "alice" :verb "post" :object "p1" :at 1})
(feed/post {:actor "bob" :verb "post" :object "p2" :at 2})
(feed/post {:actor "alice" :verb "like" :object "p2" :at 3})
;; recent-first: newest activity (at 3) leads, so its marker precedes the oldest.
(host-fd-test
"timeline recent-first"
(let ((body (dream-resp-body (host-fd-app (host-fd-req "/feed")))))
(< (index-of body ":at 3") (index-of body ":at 1")))
true)
;; actor filter: only alice's two activities.
(host-fd-test
"actor filter count"
(feed/count
(feed/by-actor (feed/recent (feed/all)) "alice"))
2)
(host-fd-test
"actor filter excludes bob"
(contains?
(dream-resp-body (host-fd-app (host-fd-req "/feed?actor=alice")))
"bob")
false)
;; limit: cap to a single activity (the most recent).
(host-fd-test
"limit caps results"
(contains?
(dream-resp-body (host-fd-app (host-fd-req "/feed?limit=1")))
":at 1")
false)
;; ── golden: endpoint = subsystem recent stream + envelope ───────────
(host-fd-test
"golden full timeline"
(dream-resp-body (host-fd-app (host-fd-req "/feed")))
(serialize {:ok true :data (feed/items (feed/recent (feed/all)))}))
(host-fd-test
"golden actor-filtered"
(dream-resp-body (host-fd-app (host-fd-req "/feed?actor=alice")))
(serialize {:ok true :data (feed/items (feed/by-actor (feed/recent (feed/all)) "alice"))}))
;; ── write: POST /feed (auth + ACL + action) ────────────────────────
(acl/load! (list (acl-grant "alice" "post" "feed")))
(define host-fd-resolve (fn (tok) (if (= tok "good") "alice" nil)))
(define
host-fd-wapp
(host/make-app
(list host/feed-routes (host/feed-write-routes host-fd-resolve))))
(define
host-fd-post
(fn (auth body)
(dream-request "POST" "/feed" (if auth {:authorization auth} {}) body)))
(feed/reset!)
(host-fd-test
"post no auth -> 401"
(dream-status (host-fd-wapp (host-fd-post nil "{}")))
401)
(host-fd-test
"post unchanged feed after 401"
(feed/size)
0)
(host-fd-test
"post authed+permitted -> 201"
(dream-status
(host-fd-wapp
(host-fd-post
"Bearer good"
"{:actor \"alice\" :verb \"post\" :object \"p9\" :at 9}")))
201)
(host-fd-test "post grew feed" (feed/size) 1)
(host-fd-test
"created activity visible in timeline"
(contains?
(dream-resp-body (host-fd-wapp (host-fd-req "/feed")))
"p9")
true)
(host-fd-test
"post non-object body -> 400"
(dream-status (host-fd-wapp (host-fd-post "Bearer good" "(1 2)")))
400)
(define
host-fd-tests-run!
(fn
()
{:total (+ host-fd-pass host-fd-fail)
:passed host-fd-pass
:failed host-fd-fail
:fails host-fd-fails}))