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rose-ash/lib/host/tests/blog.sx
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host: blog persisted in durable SX store + materialised view, 158/158
Blog posts now live in the durable SX store (persist/durable-backend, on-disk
under $SX_PERSIST_DIR — already built: sx_persist_store.ml + lib/persist/
durable.sx). Publishing appends insert ops to the slug's content stream; posts
survive restarts (verified: seq/log stable across container restart, re-seed
idempotent).

Read path: http-listen handlers can't drive per-request perform/IO (sx_call
doesn't resolve the CEK IO suspension the way the main loop does), so posts are
materialised from the store into an in-memory view at boot (host/blog-load-all!
+ host/blog-seed!) and request handlers read the view — perform-free. Store is
source of truth; view is a boot-rebuilt cache.

Deploy: docker-compose.dev-sx-host.yml mounts /root/sx-host-persist (chowned to
appuser 10001) at /data/persist; SX_PERSIST_DIR set. blog.rose-ash.com/welcome/
live. Per-request-IO kernel fix tracked in the plan as the next task.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-19 18:33:00 +00:00

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;; lib/host/tests/blog.sx — the blog published-post read endpoint. A registered
;; post renders to HTML at GET /<slug>/; unknown slugs 404. Also pins route
;; precedence: the catch-all :slug must NOT shadow domain routes mounted before it.
(define host-bl-pass 0)
(define host-bl-fail 0)
(define host-bl-fails (list))
(define
host-bl-test
(fn
(name actual expected)
(if
(= actual expected)
(set! host-bl-pass (+ host-bl-pass 1))
(begin
(set! host-bl-fail (+ host-bl-fail 1))
(append! host-bl-fails {:name name :actual actual :expected expected})))))
(define host-bl-req (fn (target) (dream-request "GET" target {} "")))
;; feed mounted BEFORE blog so /feed is not captured by the :slug catch-all.
(define host-bl-app
(host/make-app (list host/feed-routes host/blog-routes)))
;; ── publish a post to a fresh in-memory store (hermetic) ────────────
(host/blog-use-store! (persist/open))
(host/blog-publish! "welcome" "Hello SX" "Served by lib/host." 1)
(host-bl-test
"post 200"
(dream-status (host-bl-app (host-bl-req "/welcome/")))
200)
(host-bl-test
"post content-type html"
(contains? (dream-resp-header (host-bl-app (host-bl-req "/welcome/")) "content-type") "text/html")
true)
(host-bl-test
"post renders heading"
(contains? (dream-resp-body (host-bl-app (host-bl-req "/welcome/"))) "<h1>Hello SX</h1>")
true)
(host-bl-test
"post renders body"
(contains? (dream-resp-body (host-bl-app (host-bl-req "/welcome/"))) "Served by lib/host.")
true)
;; trailing slash optional — /welcome and /welcome/ both resolve
(host-bl-test
"no trailing slash also 200"
(dream-status (host-bl-app (host-bl-req "/welcome")))
200)
;; golden: endpoint body == the exact rendered HTML of the published post
(host-bl-test
"golden render"
(dream-resp-body (host-bl-app (host-bl-req "/welcome/")))
"<h1>Hello SX</h1><p>Served by lib/host.</p>")
;; persistence: a post materialises from the op-log (replay), and re-seeding is
;; idempotent (no duplicate blocks appended).
(host-bl-test "lookup materialises 2 blocks" (content/count (host/blog-lookup "welcome")) 2)
(host/blog-seed! "welcome" "Hello SX" "Served by lib/host." 2)
(host-bl-test "re-seed is idempotent" (content/count (host/blog-lookup "welcome")) 2)
;; ── unknown slug -> 404 ─────────────────────────────────────────────
(host-bl-test
"unknown slug 404"
(dream-status (host-bl-app (host-bl-req "/nope/")))
404)
(host-bl-test
"404 names the slug"
(contains? (dream-resp-body (host-bl-app (host-bl-req "/nope/"))) "nope")
true)
;; ── route precedence: domain routes win over the :slug catch-all ────
(feed/reset!)
(host-bl-test
"/feed served by feed, not blog 404"
(dream-status (host-bl-app (host-bl-req "/feed")))
200)
(host-bl-test
"/feed body is the feed envelope, not HTML"
(contains? (dream-resp-body (host-bl-app (host-bl-req "/feed"))) "\"ok\":true")
true)
(define
host-bl-tests-run!
(fn
()
{:total (+ host-bl-pass host-bl-fail)
:passed host-bl-pass
:failed host-bl-fail
:fails host-bl-fails}))