fed-sx-m1: Step 8d-dispatch-cap — capabilities_body_for + Accept-aware route + 13 tests

next/tests/http_capabilities_format.sh

@@ -0,0 +1,133 @@
+#!/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 ]