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test: live persistent-spool restart end-to-end

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Adds a docker-compose service `server-spool` that runs secs_server
with --spool-dir pointed at a named volume.  Two-phase Python
harness (interop/spool_persistence_test.py):

  1. Enqueue phase: force-spool one S6F11(CEID=300) via the
     SPOOL_ON / START / SPOOL_OFF RCMD trio, then disconnect.
  2. Driver runs `docker compose restart server-spool` between
     the phases — the named volume preserves the journal files.
  3. Drain phase: reconnect, send S6F23(Transmit), verify the
     replayed S6F11 carries CEID 300.

Surfaces a real interop bug along the way: secsgem-py 0.3.0 encodes
RSDC (and other "single-byte status" fields) as <U1>, while SEMI E5
spells them as <B>.  Our `as_binary_first` was strict on Binary; now
accepts either (the byte semantics are identical, and the leniency is
symmetric with the U-type widening from the first interop commit).

Result: enqueue → docker restart → drain returns CEID 300 cleanly.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Raphael Maenle
2026-06-09 01:04:49 +02:00
parent df6060a9e9
commit a1dc7937d4
3 changed files with 263 additions and 4 deletions
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include/secsgem/gem/messages_helpers.hpp
+16 -4
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@@ -51,11 +51,23 @@ inline std::optional<std::string> as_text_or_binary(const s2::Item& item) {
return std::nullopt;
}
// Single-byte status/ack reader. SEMI E5 spells these fields as
// `<B>` (Binary), but real peers — notably secsgem-py 0.3.0 — encode
// RSDC, EAC, ACKC*, OFLACK, ONLACK, etc. as `<U1>`. Both formats
// carry the same value in the same single byte, so we accept either
// and return `nullopt` only when the item is genuinely neither.
inline std::optional<uint8_t> as_binary_first(const s2::Item& item) {
if (item.format() != s2::Format::Binary) return std::nullopt;
const auto& v = item.as_bytes();
if (v.empty()) return std::nullopt;
return v.front();
if (item.format() == s2::Format::Binary) {
const auto& v = item.as_bytes();
if (v.empty()) return std::nullopt;
return v.front();
}
if (item.format() == s2::Format::U1) {
const auto& v = std::get<std::vector<uint8_t>>(item.storage());
if (v.empty()) return std::nullopt;
return v.front();
}
return std::nullopt;
}
inline std::optional<bool> as_boolean(const s2::Item& item) {