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rose-ash/lib/identity/tests/dynreg.sx
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identity: dynamic client registration (RFC 7591, +5 tests)
register_dynamic generates a client_id + secret server-side and registers
the client, returning {ok, ClientId, Secret} — self-service onboarding
distinct from the manual register_client. A dynamic confidential client can
then use client_credentials; a dynamic public client stays
unauthorized_client. New tests/dynreg.sx. 222/222.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 04:48:45 +00:00

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;; identity/tests/dynreg.sx — dynamic client registration (RFC 7591): the
;; server generates the client_id + secret for self-service onboarding.
(define id-dyn-test-count 0)
(define id-dyn-test-pass 0)
(define id-dyn-test-fails (list))
(define
id-dyn-test
(fn
(name actual expected)
(set! id-dyn-test-count (+ id-dyn-test-count 1))
(if
(= actual expected)
(set! id-dyn-test-pass (+ id-dyn-test-pass 1))
(append! id-dyn-test-fails {:name name :expected expected :actual actual}))))
(define idd-ev erlang-eval-ast)
(define iddnm (fn (v) (get v :name)))
(identity-load-oauth!)
;; ── self-service registration yields usable credentials ──────────
(id-dyn-test
"a dynamically registered confidential client can get a token"
(iddnm
(idd-ev
"O = identity_oauth:start(),\n {ok, Cid, Sec} = identity_oauth:register_dynamic(O, confidential, [uri1]),\n {ok, T} = identity_oauth:client_credentials(O, Cid, Sec, batch),\n case identity_oauth:introspect(O, T) of\n {active, _, _, _} -> active;\n {inactive} -> inactive\n end"))
"active")
(id-dyn-test
"the token's subject is the generated client id"
(iddnm
(idd-ev
"O = identity_oauth:start(),\n {ok, Cid, Sec} = identity_oauth:register_dynamic(O, confidential, [uri1]),\n {ok, T} = identity_oauth:client_credentials(O, Cid, Sec, batch),\n case identity_oauth:introspect(O, T) of\n {active, Sub, _, _} ->\n case Sub =:= Cid of true -> matches; false -> mismatch end;\n {inactive} -> inactive\n end"))
"matches")
;; ── the generated secret is required ─────────────────────────────
(id-dyn-test
"a wrong secret for a dynamic client is invalid_client"
(iddnm
(idd-ev
"O = identity_oauth:start(),\n {ok, Cid, _Sec} = identity_oauth:register_dynamic(O, confidential, [uri1]),\n case identity_oauth:client_credentials(O, Cid, wrongsecret, batch) of\n {ok, _} -> issued;\n {error, W} -> W\n end"))
"invalid_client")
;; ── uniqueness ───────────────────────────────────────────────────
(id-dyn-test
"two registrations yield distinct client ids"
(iddnm
(idd-ev
"O = identity_oauth:start(),\n {ok, C1, _} = identity_oauth:register_dynamic(O, confidential, [uri1]),\n {ok, C2, _} = identity_oauth:register_dynamic(O, confidential, [uri1]),\n case C1 =:= C2 of true -> collision; false -> distinct end"))
"distinct")
;; ── a dynamic public client still cannot use client-credentials ──
(id-dyn-test
"a dynamic public client is unauthorized for client-credentials"
(iddnm
(idd-ev
"O = identity_oauth:start(),\n {ok, Cid, Sec} = identity_oauth:register_dynamic(O, public, [uri1]),\n case identity_oauth:client_credentials(O, Cid, Sec, batch) of\n {ok, _} -> issued;\n {error, W} -> W\n end"))
"unauthorized_client")
(define
id-dyn-test-summary
(str "dynreg " id-dyn-test-pass "/" id-dyn-test-count))