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rose-ash/next/tests/http_capabilities_format.sh
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fed-sx-m1: Step 8d-dispatch-cap — capabilities_body_for + Accept-aware route + 13 tests
2026-05-28 14:31:59 +00:00

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#!/usr/bin/env bash
# next/tests/http_capabilities_format.sh — Step 8d-dispatch-cap test.
#
# Proves Accept header dispatch end-to-end on the
# /.well-known/sx-capabilities route. 12 cases.
set -uo pipefail
cd "$(git rev-parse --show-toplevel)"
SX_SERVER="${SX_SERVER:-hosts/ocaml/_build/default/bin/sx_server.exe}"
if [ ! -x "$SX_SERVER" ]; then
SX_SERVER="/root/rose-ash/hosts/ocaml/_build/default/bin/sx_server.exe"
fi
if [ ! -x "$SX_SERVER" ]; then
echo "ERROR: sx_server.exe not found." >&2
exit 1
fi
VERBOSE="${1:-}"
PASS=0; FAIL=0; ERRORS=""
TMPFILE=$(mktemp); trap "rm -f $TMPFILE" EXIT
# Shared bindings for the test:
# AK = "accept" header key
# CapPath = capabilities path (looked up from the module)
PRELUDE='AK = <<97,99,99,101,112,116>>, CapPath = http_server:capabilities_path(),'
cat > "$TMPFILE" <<EPOCHS
(epoch 1)
(load "lib/erlang/tokenizer.sx")
(load "lib/erlang/parser.sx")
(load "lib/erlang/parser-core.sx")
(load "lib/erlang/parser-expr.sx")
(load "lib/erlang/parser-module.sx")
(load "lib/erlang/transpile.sx")
(load "lib/erlang/runtime.sx")
(load "lib/erlang/vm/dispatcher.sx")
(epoch 2)
(eval "(get (erlang-load-module (file-read \"next/kernel/http_server.erl\")) :name)")
;; capabilities_body_for(text) == capabilities_body()
(epoch 10)
(eval "(get (erlang-eval-ast \"http_server:capabilities_body_for(text) =:= http_server:capabilities_body()\") :name)")
;; All format stubs are distinct
(epoch 11)
(eval "(get (erlang-eval-ast \"T = http_server:capabilities_body_for(text), J = http_server:capabilities_body_for(json), S = http_server:capabilities_body_for(sx), C = http_server:capabilities_body_for(cbor), (T =/= J) and (J =/= S) and (S =/= C) and (T =/= C)\") :name)")
;; json body starts with '{' (123)
(epoch 12)
(eval "(get (erlang-eval-ast \"case http_server:capabilities_body_for(json) of <<123, _/binary>> -> ok; _ -> bad end\") :name)")
;; sx body starts with '(' (40)
(epoch 13)
(eval "(get (erlang-eval-ast \"case http_server:capabilities_body_for(sx) of <<40, _/binary>> -> ok; _ -> bad end\") :name)")
;; cbor body starts with 0xA1 (161) — map(1)
(epoch 14)
(eval "(get (erlang-eval-ast \"case http_server:capabilities_body_for(cbor) of <<161, _/binary>> -> ok; _ -> bad end\") :name)")
;; activity_json shares its body with json
(epoch 15)
(eval "(get (erlang-eval-ast \"http_server:capabilities_body_for(activity_json) =:= http_server:capabilities_body_for(json)\") :name)")
;; Unknown format falls back to text
(epoch 16)
(eval "(get (erlang-eval-ast \"http_server:capabilities_body_for(weird_format) =:= http_server:capabilities_body()\") :name)")
;; Route with Accept: application/json -> json body
(epoch 17)
(eval "(get (erlang-eval-ast \"${PRELUDE} AV = <<97,112,112,108,105,99,97,116,105,111,110,47,106,115,111,110>>, Req = [{method, <<71,69,84>>}, {path, CapPath}, {headers, [{AK, AV}]}], R = http_server:route(Req), case R of [_, _, {body, B}] -> B =:= http_server:capabilities_body_for(json); _ -> false end\") :name)")
;; Route with Accept: application/sx -> sx body
(epoch 18)
(eval "(get (erlang-eval-ast \"${PRELUDE} AV = <<97,112,112,108,105,99,97,116,105,111,110,47,115,120>>, Req = [{method, <<71,69,84>>}, {path, CapPath}, {headers, [{AK, AV}]}], R = http_server:route(Req), case R of [_, _, {body, B}] -> B =:= http_server:capabilities_body_for(sx); _ -> false end\") :name)")
;; Route with Accept: application/cbor -> cbor body
(epoch 19)
(eval "(get (erlang-eval-ast \"${PRELUDE} AV = <<97,112,112,108,105,99,97,116,105,111,110,47,99,98,111,114>>, Req = [{method, <<71,69,84>>}, {path, CapPath}, {headers, [{AK, AV}]}], R = http_server:route(Req), case R of [_, _, {body, B}] -> B =:= http_server:capabilities_body_for(cbor); _ -> false end\") :name)")
;; No Accept header -> text body
(epoch 20)
(eval "(get (erlang-eval-ast \"${PRELUDE} Req = [{method, <<71,69,84>>}, {path, CapPath}], R = http_server:route(Req), case R of [_, _, {body, B}] -> B =:= http_server:capabilities_body(); _ -> false end\") :name)")
;; POST capabilities still 404
(epoch 21)
(eval "(get (erlang-eval-ast \"${PRELUDE} Req = [{method, <<80,79,83,84>>}, {path, CapPath}], case http_server:route(Req) of [{status, 404} | _] -> ok; _ -> bad end\") :name)")
EPOCHS
OUTPUT=$(timeout 60 "$SX_SERVER" < "$TMPFILE" 2>/dev/null)
check() {
local epoch="$1" desc="$2" expected="$3"
local actual
actual=$(echo "$OUTPUT" | awk -v e="$epoch" '
$0 ~ "^\\(ok-len " e " " { getline; print; exit }
$0 ~ "^\\(ok " e " " { print; exit }
$0 ~ "^\\(error " e " " { print; exit }
')
[ -z "$actual" ] && actual="<no output for epoch $epoch>"
if echo "$actual" | grep -qF -- "$expected"; then
PASS=$((PASS+1))
[ "$VERBOSE" = "-v" ] && echo " ok $desc"
else
FAIL=$((FAIL+1))
ERRORS+=" FAIL [$desc] (epoch $epoch) expected: $expected | actual: $actual
"
fi
}
check 2 "module load name" "http_server"
check 10 "text format = existing body" "true"
check 11 "all format stubs distinct" "true"
check 12 "json body starts with '{'" "ok"
check 13 "sx body starts with '('" "ok"
check 14 "cbor body starts with 0xA1" "ok"
check 15 "activity_json == json body" "true"
check 16 "unknown format -> text" "true"
check 17 "Accept: json -> json body" "true"
check 18 "Accept: sx -> sx body" "true"
check 19 "Accept: cbor -> cbor body" "true"
check 20 "no Accept -> text body" "true"
check 21 "POST capabilities still 404" "ok"
TOTAL=$((PASS+FAIL))
if [ $FAIL -eq 0 ]; then
echo "ok $PASS/$TOTAL next/tests/http_capabilities_format.sh passed"
else
echo "FAIL $PASS/$TOTAL passed, $FAIL failed:"
echo "$ERRORS"
fi
[ $FAIL -eq 0 ]