Merge bake-answer diagnosis: five named failure modes and a scan report that says what the landing saw

This commit is contained in:
2026-08-02 08:06:45 -04:00
8 changed files with 649 additions and 57 deletions
+356 -1
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@@ -6,13 +6,16 @@
// break a mixed-version pair); request + outcome round-trips including bytes that would
// break a delimiter-based format; the refusals every house wire record shares (wrong tag,
// truncation, trailing garbage, a swapped record kind); an unrecognized status integer
// degrading to Failed rather than to Ok; and the action lookup name's leading underscore.
// degrading to Failed rather than to Ok; the action lookup name's leading underscore and
// its channel fork; and the two key classifiers each end reads the shared key through.
#include "../src/core/wire/bake_wire.h"
#include "../src/core/version/app_version.h"
#include <cstdint>
#include <cstdio>
#include <optional>
#include <string>
using namespace reasampler::wire;
@@ -183,6 +186,358 @@ int main() {
CHECK(lookup.compare(lookup.size() - suffixLen, suffixLen, kBakeActionSuffix) == 0);
}
// --- The action id and the ext-state namespace fork on the SAME channel bit ---------
// Both frozen families are spelled out, so this holds whichever channel the test binary
// was built for. Consequence for a cross-channel pair (stable VST + beta extension or
// the reverse): NamedCommandLookup resolves nothing, bakeAvailable paints the affordance
// Disabled, and the click cannot reach the no-answer path at all.
{
const std::string suffix = kBakeActionSuffix;
const std::string stableLookup = "_CEREBELLUM_REASAMPLER_" + suffix;
const std::string betaLookup = "_CEREBELLUM_REASAMPLER_BETA_" + suffix;
const bool beta = reasampler::version::isBeta();
CHECK(stableLookup != betaLookup);
CHECK(bakeActionLookupName() == (beta ? betaLookup : stableLookup));
CHECK(bakeActionLookupName() != (beta ? stableLookup : betaLookup));
CHECK(reasampler::version::extStateNamespace() ==
(beta ? "reasampler_beta" : "reasampler"));
}
// --- What the instrument finds under its own key, after the action returned ---------
{
BakeRequest sent;
sent.instanceGuid = "0123abcd";
sent.stagedFilePath = "C:/Temp/reasampler_bake_0123abcd_1893456000.wav";
sent.sourceSampleId = "cap-1";
sent.sourceRelativePath = "reasampler_bank/kick.wav";
sent.sourceDisplayName = "Kick";
sent.ownUsageKey = "rsusage_0123abcd";
sent.rootNote = 36;
sent.generation = 1893456000;
BakeOutcome answered;
answered.status = BakeStatus::Ok;
answered.sampleId = "bake-1";
answered.message = "added as a distinct capture";
answered.generation = sent.generation;
const BakeAnswer ok =
classifyBakeAnswer(std::optional<std::string>(encodeBakeOutcome(answered)), sent);
CHECK(ok.kind == BakeAnswerKind::Answered);
CHECK(ok.outcome.has_value() && ok.outcome->sampleId == "bake-1");
// A refusal is an ANSWER — it must never fold into a no-answer kind, or the user is
// sent to reinstall a binary that in fact answered them.
BakeOutcome refused;
refused.status = BakeStatus::WrongProject;
refused.message = "this bake's project tab is not the one the extension has loaded";
refused.generation = sent.generation;
const BakeAnswer refusal =
classifyBakeAnswer(std::optional<std::string>(encodeBakeOutcome(refused)), sent);
CHECK(refusal.kind == BakeAnswerKind::Answered);
CHECK(refusal.outcome.has_value() &&
refusal.outcome->status == BakeStatus::WrongProject);
BakeOutcome older = answered;
older.generation = sent.generation - 1;
const BakeAnswer foreignOut =
classifyBakeAnswer(std::optional<std::string>(encodeBakeOutcome(older)), sent);
CHECK(foreignOut.kind == BakeAnswerKind::ForeignOutcome);
CHECK(foreignOut.outcome.has_value());
// Nothing on the extension side read the key: the request is still sitting there
// byte-for-byte. THE diagnostic that separates a stale/absent landing from a refusal.
CHECK(classifyBakeAnswer(std::optional<std::string>(encodeBakeRequest(sent)), sent)
.kind == BakeAnswerKind::Unanswered);
// A request that is not ours: two instances copied from one another share a
// persisted instanceGuid, so they name one key.
BakeRequest sibling = sent;
sibling.sourceSampleId = "cap-2";
sibling.generation = sent.generation + 1;
CHECK(classifyBakeAnswer(std::optional<std::string>(encodeBakeRequest(sibling)), sent)
.kind == BakeAnswerKind::ForeignRequest);
// Cleared folds two genuinely different bridge outcomes -- key absent, and key
// present but empty -- into ONE kind, because the bridge cannot label which
// occurred. Both must land on the identical kind: a caller's message may claim
// no more than what the fold actually preserves.
const BakeAnswer clearedFromAbsent = classifyBakeAnswer(std::nullopt, sent);
const BakeAnswer clearedFromEmpty =
classifyBakeAnswer(std::optional<std::string>(""), sent);
CHECK(clearedFromAbsent.kind == BakeAnswerKind::Cleared);
CHECK(clearedFromEmpty.kind == BakeAnswerKind::Cleared);
CHECK(clearedFromAbsent.kind == clearedFromEmpty.kind);
CHECK(classifyBakeAnswer(std::optional<std::string>("rsbakeout9 whatever"), sent)
.kind == BakeAnswerKind::Undecodable);
// No non-Answered kind may carry an outcome the caller could read as a landing.
CHECK(!classifyBakeAnswer(std::nullopt, sent).outcome.has_value());
CHECK(!classifyBakeAnswer(std::optional<std::string>(encodeBakeRequest(sent)), sent)
.outcome.has_value());
CHECK(!classifyBakeAnswer(std::optional<std::string>("garbage"), sent)
.outcome.has_value());
}
// --- answeredOutcome: the guarded read, not switch exhaustiveness alone -------------
{
BakeRequest sent;
sent.instanceGuid = "abcd";
sent.generation = 42;
BakeOutcome landed;
landed.status = BakeStatus::Ok;
landed.sampleId = "bake-1";
landed.generation = sent.generation;
// The one state that may yield a non-null pointer, and it points at the SAME
// outcome classifyBakeAnswer decoded.
const BakeAnswer answered =
classifyBakeAnswer(std::optional<std::string>(encodeBakeOutcome(landed)), sent);
const BakeOutcome* ptr = answeredOutcome(answered);
CHECK(ptr != nullptr);
CHECK(ptr->sampleId == "bake-1");
// Every other real classification nulls out.
CHECK(answeredOutcome(classifyBakeAnswer(std::nullopt, sent)) == nullptr);
CHECK(answeredOutcome(classifyBakeAnswer(
std::optional<std::string>(encodeBakeRequest(sent)), sent)) == nullptr);
CHECK(answeredOutcome(classifyBakeAnswer(std::optional<std::string>("garbage"), sent))
== nullptr);
BakeOutcome foreign = landed;
foreign.generation = sent.generation + 1;
CHECK(answeredOutcome(classifyBakeAnswer(
std::optional<std::string>(encodeBakeOutcome(foreign)), sent)) == nullptr);
// The defensive arm: a hand-built Answered with no outcome set (what a future
// BakeAnswerKind enumerator falling through an un-updated switch would look like
// to this accessor) fails closed rather than being dereferenced.
BakeAnswer malformed;
malformed.kind = BakeAnswerKind::Answered;
CHECK(!malformed.outcome.has_value());
CHECK(answeredOutcome(malformed) == nullptr);
}
// --- kMaxRequestAgeSeconds: a regression pin on the bound itself --------------------
// The bound's meaning depends on the instrument stamping `generation` immediately
// before publishing (AFTER staging the WAV) -- a shell-side ordering fix this pure
// suite cannot observe directly. Pinning the literal at least catches a silent
// widen/narrow of the budget itself.
CHECK(kMaxRequestAgeSeconds == 30);
// --- The extension's per-key verdict over the open tabs -----------------------------
{
const std::int64_t now = 1893456000;
// The session has polled a project and that project is REAPER's active tab — the
// steady state a project opened from disk reaches on the next timer tick.
const BakeScanContext loadedAndActive{true};
BakeScanKey own{true, true, now, true};
CHECK(classifyBakeScan(loadedAndActive, own, now) == BakeScanVerdict::Land);
// A request found in a tab the extension has NOT loaded — the multi-tab case. It is
// REFUSED, which is an answer the asking instance can read; it is never landed into
// the loaded tab's bank, and never dropped silently.
BakeScanKey otherTab{true, true, now, false};
CHECK(classifyBakeScan(loadedAndActive, otherTab, now) ==
BakeScanVerdict::RefuseWrongProject);
// The loaded tab is no longer the active one, so a persist would write elsewhere:
// even the loaded tab's own request is refused rather than half-landed.
CHECK(classifyBakeScan(BakeScanContext{false}, own, now) ==
BakeScanVerdict::RefuseWrongProject);
// The window before any project is loaded: matchesLoadedProject cannot be true for
// ANY key here — a key can only match a project that is loaded — so this is the
// shell-reachable stand-in for "no book yet", not `own` (which the shell could
// never actually pair with an unloaded session).
CHECK(classifyBakeScan(BakeScanContext{false}, BakeScanKey{true, true, now, false},
now) == BakeScanVerdict::RefuseWrongProject);
// Stale in EITHER direction (a clock that moved backwards counts too).
BakeScanKey old{true, true, now - kMaxRequestAgeSeconds - 1, true};
BakeScanKey future{true, true, now + kMaxRequestAgeSeconds + 1, true};
CHECK(classifyBakeScan(loadedAndActive, old, now) == BakeScanVerdict::ClearStale);
CHECK(classifyBakeScan(loadedAndActive, future, now) == BakeScanVerdict::ClearStale);
// Exactly at the bound is still landable — the ceiling is inclusive.
BakeScanKey atBound{true, true, now - kMaxRequestAgeSeconds, true};
CHECK(classifyBakeScan(loadedAndActive, atBound, now) == BakeScanVerdict::Land);
// Staleness outranks the project check: a request nobody can read is cleared, not
// answered, wherever it sits.
BakeScanKey oldElsewhere{true, true, now - kMaxRequestAgeSeconds - 1, false};
CHECK(classifyBakeScan(loadedAndActive, oldElsewhere, now) ==
BakeScanVerdict::ClearStale);
// A value that is not a request (an outcome the writer has not collected) is left
// alone — answering it would clobber an answer in flight.
BakeScanKey notARequest{true, false, 0, true};
CHECK(classifyBakeScan(loadedAndActive, notARequest, now) ==
BakeScanVerdict::IgnoreNotARequest);
CHECK(classifyBakeScan(BakeScanContext{false}, notARequest, now) ==
BakeScanVerdict::IgnoreNotARequest);
// A key the enumerator listed but the reader could not return whole is its OWN
// verdict, not folded into the one above: the extension failing to read a request
// that may well be there is a different fault from a key holding something else,
// and neither is visible from the instrument's end.
BakeScanKey unreadable{false, false, 0, true};
CHECK(classifyBakeScan(loadedAndActive, unreadable, now) ==
BakeScanVerdict::IgnoreUnreadable);
CHECK(classifyBakeScan(BakeScanContext{false}, unreadable, now) ==
BakeScanVerdict::IgnoreUnreadable);
// Unreadable outranks even staleness — an age read off a request that was never
// decoded would be a made-up number.
BakeScanKey unreadableOld{false, false, now - kMaxRequestAgeSeconds - 1, true};
CHECK(classifyBakeScan(loadedAndActive, unreadableOld, now) ==
BakeScanVerdict::IgnoreUnreadable);
}
// --- The scan report: what the action tells a user it actually saw ------------------
// The report exists because every non-answering verdict leaves the asking instance
// with the identical evidence (its own untouched request), so only these counts
// discriminate them. It must therefore SAY the count that fired, and must stay silent
// whenever an answer was written.
{
BakeScanTally answeredOne;
answeredOne.tabsScanned = 1;
answeredOne.keysFound = 1;
answeredOne.activeTabKeys = 1;
answeredOne.answered = 1;
answeredOne.landed = 1;
CHECK(describeBakeScan(answeredOne).empty());
// A refusal is still an answer, so it silences the report the same way a landing
// does — the refusal's own sentence has already been printed.
BakeScanTally refusedOne = answeredOne;
refusedOne.landed = 0;
CHECK(describeBakeScan(refusedOne).empty());
// Nothing found at all: the state Daniel's repro produces if the request key never
// becomes visible to the extension.
BakeScanTally nothing;
nothing.tabsScanned = 2;
const std::string none = describeBakeScan(nothing);
CHECK(!none.empty());
CHECK(none.find("2 project tabs") != std::string::npos);
CHECK(none.find("No pending bake request was visible") != std::string::npos);
CHECK(none.back() == '\n');
// One tab is singular, not "1 project tabs".
BakeScanTally oneTab;
oneTab.tabsScanned = 1;
CHECK(describeBakeScan(oneTab).find("1 project tab,") != std::string::npos);
// Found but unreadable — the fact the old scan discarded.
BakeScanTally unreadable;
unreadable.tabsScanned = 1;
unreadable.keysFound = 1;
unreadable.activeTabKeys = 1;
unreadable.unreadable = 1;
const std::string unread = describeBakeScan(unreadable);
CHECK(unread.find("1 pending request key") != std::string::npos);
CHECK(unread.find("1 could not be read back") != std::string::npos);
CHECK(unread.find("held something other than a request") == std::string::npos);
// Found, readable, but not a request.
BakeScanTally foreign;
foreign.tabsScanned = 1;
foreign.keysFound = 1;
foreign.activeTabKeys = 1;
foreign.notARequest = 1;
const std::string other = describeBakeScan(foreign);
CHECK(other.find("1 held something other than a request") != std::string::npos);
CHECK(other.find("could not be read back") == std::string::npos);
// Cleared as stale: an answer was never written, so this too must report.
BakeScanTally stale;
stale.tabsScanned = 1;
stale.keysFound = 1;
stale.activeTabKeys = 1;
stale.staleCleared = 1;
const std::string aged = describeBakeScan(stale);
CHECK(aged.find("past the age bound") != std::string::npos);
// Keys exist, but none in the tab the bake was fired against — the multi-tab
// mis-target, called out explicitly rather than left to be inferred from "0 of them".
BakeScanTally elsewhere;
elsewhere.tabsScanned = 2;
elsewhere.keysFound = 1;
elsewhere.activeTabKeys = 0;
elsewhere.notARequest = 1;
const std::string away = describeBakeScan(elsewhere);
CHECK(away.find("0 of them in the active tab") != std::string::npos);
CHECK(away.find("fired against held none of them") != std::string::npos);
}
// --- Every outcome bake_land actually emits survives the key round trip -------------
// The landing writes these and the instrument reads them back; a field the encoder and
// the decoder disagreed about would strand exactly the bake that produced it.
{
BakeOutcome added;
added.status = BakeStatus::Ok;
added.sampleId = "bake-1893456000-a1b2c3d4-kick_1893456000.wav";
added.relativePath = "reasampler_bank/kick_1893456000-a1b2c3d4.wav";
added.displayName = "Kick 2";
added.rootNote = 36;
added.channelCount = 2;
added.replaced = false;
added.message = "added as a distinct capture";
added.generation = 1893456000;
BakeOutcome replaced = added;
replaced.replaced = true;
replaced.displayName = "Kick";
replaced.message = "replaced the bank entry";
BakeOutcome deduped = added;
deduped.message = "identical to an existing capture -- pointed at it";
BakeOutcome noProject;
noProject.status = BakeStatus::NoProject;
noProject.message = "no saved project, so the bank has no location";
noProject.generation = added.generation;
BakeOutcome stagedMissing = noProject;
stagedMissing.status = BakeStatus::StagedMissing;
stagedMissing.message = "the staged render is not a usable WAV";
BakeOutcome noSource = noProject;
noSource.status = BakeStatus::NoSource;
noSource.message = "the resampled capture is not in any bank";
BakeOutcome indexRejected = noProject;
indexRejected.status = BakeStatus::IndexRejected;
indexRejected.message = "the bank refused the new capture";
BakeOutcome wrongProject = noProject;
wrongProject.status = BakeStatus::WrongProject;
wrongProject.message =
"this bake's project tab is not the one the extension has "
"loaded -- focus that tab and try again";
BakeOutcome writeFailed = noProject;
writeFailed.status = BakeStatus::Failed;
writeFailed.message = "could not write the bake into the bank folder";
for (const BakeOutcome& emitted :
{added, replaced, deduped, noProject, stagedMissing, noSource, indexRejected,
wrongProject, writeFailed}) {
const auto back = decodeBakeOutcome(encodeBakeOutcome(emitted));
CHECK(back.has_value());
CHECK(back.has_value() && *back == emitted);
// Field for field as well: operator== is hand-written, so a field missing from
// BOTH the codec and the comparison would pass the aggregate check above.
CHECK(back.has_value() && back->status == emitted.status &&
back->sampleId == emitted.sampleId &&
back->relativePath == emitted.relativePath &&
back->displayName == emitted.displayName &&
back->rootNote == emitted.rootNote &&
back->channelCount == emitted.channelCount &&
back->replaced == emitted.replaced &&
back->message == emitted.message &&
back->generation == emitted.generation);
}
}
if (g_fail == 0) std::printf("bake_wire: all tests passed\n");
return g_fail ? 1 : 0;
}