Design View: expose a park-shaped no-record track visible instead of adopting or refusing it

Adopting silently wipes hand repairs or hides untouched tracks forever; refusing was rejected too. EXPOSE hands the track back and self-heals on the next apply.
This commit is contained in:
2026-08-06 18:35:24 -04:00
parent 024c619884
commit 0f6df5fd6d
5 changed files with 285 additions and 41 deletions
+39 -21
View File
@@ -821,6 +821,13 @@ using LiveFlags = std::map<std::string, int>;
// The FX half of the two-half record is never exercised here (nothing sets fxHeld
// false), so it stays held throughout and never blocks a re-capture the way
// flagsHeld does — the one place this harness is narrower than the real record.
//
// `live[guid] == 0` doubles as this harness's single-flag stand-in for
// parkTrack's real chainReadsParked (all four driven flags at their parked
// value) — the harness tracks one representative flag, not four, so "already at
// its parked value" is the whole predicate here. `vm.snapshot(guid) == nullptr`
// mirrors parkTrack's own gate for "no record of any kind" — see that function's
// header doc for why an FX-held-only record must not reach EXPOSE.
void simulateApplyMode(ViewModeModel& vm, LiveFlags& live, const FolderTree& tree,
const std::string& target, bool guard) {
TogglePlan plan = vm.planToggle(tree, target);
@@ -831,6 +838,13 @@ void simulateApplyMode(ViewModeModel& vm, LiveFlags& live, const FolderTree& tre
const std::string& guid = tp.flags.front().guid;
if (guard) {
if (!vm.holdsSnapshotFlags(guid)) {
if (!vm.snapshot(guid) && live[guid] == 0) {
// EXPOSE: hand it back visible rather than adopt the
// park-shaped read as intent. No snapshot stored; this cycle
// does not park the track.
live[guid] = 1;
continue;
}
TrackSnapshot snap;
snap.showInTcp = live[guid];
vm.storeSnapshot(guid, snap);
@@ -941,17 +955,14 @@ static void testNestedToggleSnapshotSurvivesRepark() {
// A model replaced without the project rolling back with it — an unreadable
// view_state, a snapshot reconciled away while its track was deleted, a hand or
// script edit — leaves tracks sitting at parked values with nothing recording what
// they were before. The park refusal that once existed for this pair (view_fx_park's
// decidePark) was retired by the Wave-2 shell restructure: view_park.h now states
// plainly that nothing infers a park from a live value any more, so a parked-looking
// chain with no record is treated as the user's own state and captured, not refused.
// This test documents the CURRENT consequence — it is not asserting the consequence
// is desirable: a hand recovery made before the next reapply survives, but one made
// after it (the reapply has already re-captured the still-hidden value as "the
// user's") is overwritten by the next restore, converging with the always-recapture
// defect test 9's unguarded block pins. Guarded and unguarded no longer differ here.
// they were before. Daniel's ruling: hand the track back rather than either
// adopting the parked read as intent (silently wipes a hand repair on the very
// next restore, or hides an untouched track forever) or refusing outright (the
// retired `decidePark`). EXPOSE does neither: no snapshot stored, the flags
// driven visible, and the very next reapply — no user action needed — finds an
// honest chain and captures/parks it normally.
static void testReloadedModelWithParkedTracksIsCapturedNotRefused() {
static void testReloadedModelWithParkedTracksIsExposedNotAdopted() {
const FolderTree tree = nestedTree();
ViewModeModel vm;
@@ -963,22 +974,29 @@ static void testReloadedModelWithParkedTracksIsCapturedNotRefused() {
CHECK(vm.snapshot("{L2}") != nullptr);
// The reload: the model comes back with no snapshots while the project's
// tracks are still parked.
// tracks are still parked -- park-shaped, no record.
vm.clearSnapshot("{L2}");
vm.clearSnapshot("{L3}");
// The load tick reapplies the saved active mode. Both leaves are captured
// fresh from their still-hidden live value — not refused.
// The load-tick reapply hits the no-record/park-shaped pair on both leaves.
// EXPOSE fires for each: handed back visible, no snapshot stored -- neither
// leaf needed a hand recovery first, and {L3} (never touched by hand in the
// old test) comes back on its own exactly like {L2}.
simulateApplyMode(vm, live, tree, kDesignModeId, /*guard=*/true);
CHECK(vm.snapshot("{L2}") != nullptr && vm.snapshot("{L3}") != nullptr);
CHECK(live["{L2}"] == 0 && live["{L3}"] == 0);
CHECK(live["{L2}"] == 1 && live["{L3}"] == 1);
CHECK(vm.snapshot("{L2}") == nullptr && vm.snapshot("{L3}") == nullptr);
// A hand recovery made NOW, after that recapture, is not what the next restore
// reads back — the fresh (hidden) capture just above is, so it is lost.
live["{L2}"] = 1;
// Self-healing: the chain no longer reads park-shaped, so the very next apply
// of the same target takes the normal path -- captures the (now-visible)
// truth and parks it correctly.
simulateApplyMode(vm, live, tree, kDesignModeId, /*guard=*/true);
CHECK(live["{L2}"] == 0 && live["{L3}"] == 0);
CHECK(vm.snapshot("{L2}") != nullptr && vm.snapshot("{L3}") != nullptr);
// A normal round trip back to Arrange restores the captured (visible) truth --
// the wipe the old adopt-based behavior produced is gone.
simulateApplyMode(vm, live, tree, kArrangeModeId, /*guard=*/true);
CHECK(live["{L2}"] == 0); // wiped by the restore
CHECK(live["{L3}"] == 0); // never recovered
CHECK(live["{L2}"] == 1 && live["{L3}"] == 1);
}
// ===========================================================================
@@ -2166,7 +2184,7 @@ int main() {
testUntaggedLeavesManagedByModeSystem();
testTaggedLeafBehaviorUnchangedWithUntagged();
testNestedToggleSnapshotSurvivesRepark();
testReloadedModelWithParkedTracksIsCapturedNotRefused();
testReloadedModelWithParkedTracksIsExposedNotAdopted();
testReconcilePrunesOrphanedSnapshots();
testReconcileFullLiveSetIsNoOp();
testReconcileThenReparkLifecycleIntact();
+88
View File
@@ -132,6 +132,85 @@ static void testAPluginRemovedWhileRestoredStaysInTheUnionForResolveFxRestoreToD
CHECK(foundRemoved);
}
// -- chainReadsParked: the EXPOSE trigger, flags only -------------------------
//
// The live values the fold reads, keyed by Flag -- so an assertion names the flag
// it varies rather than a position in makeParkPlan's op order.
struct FlagValues {
int showInTcp = 0, showInMixer = 0, mainSend = 0, fxEnable = 0;
int operator()(Flag f) const {
switch (f) {
case Flag::ShowInTcp: return showInTcp;
case Flag::ShowInMixer: return showInMixer;
case Flag::MainSend: return mainSend;
case Flag::FxEnable: return fxEnable;
}
return -1;
}
};
static void testAChainSittingAtEveryParkedValueReadsAsParkShaped() {
const TrackPlan park = makeParkPlan("{A}");
CHECK(chainReadsParked(park.flags, FlagValues{0, 0, 0, 0}));
}
static void testOneFlagStillAtTheUsersValueMeansNotParkShaped() {
const TrackPlan park = makeParkPlan("{A}");
// Each case varies exactly one flag, so together they also prove all four are
// in the plan: a missing op makes its case read parked and fail here.
CHECK(!chainReadsParked(park.flags, FlagValues{1, 0, 0, 0}));
CHECK(!chainReadsParked(park.flags, FlagValues{0, 1, 0, 0}));
CHECK(!chainReadsParked(park.flags, FlagValues{0, 0, 1, 0}));
CHECK(!chainReadsParked(park.flags, FlagValues{0, 0, 0, 1}));
}
static void testAnEmptyPlanProvesNothing() {
CHECK(!chainReadsParked(std::vector<TrackFlagOp>{}, FlagValues{0, 0, 0, 0}));
}
static void testFxOfflineAloneIsNotFoldedIntoTheParkedRead() {
// chainReadsParked takes no FX argument at all: an FX-only-offline chain
// cannot make it read parked, by construction -- there is nothing here it
// could read. That is the resolved design question (see view_park.h):
// flags-fine/FX-offline stays on the ordinary capture path, never EXPOSE.
const TrackPlan park = makeParkPlan("{A}");
CHECK(!chainReadsParked(park.flags, FlagValues{1, 1, 1, 1})); // flags all fine
}
// -- the EXPOSE console report -------------------------------------------------
static void testExposedTracksAreNamedAndEmptyListSaysNothing() {
CHECK(describeExposedTracks({}).empty());
const std::string one = describeExposedTracks({"Bass"});
CHECK(one.find("1 track ") != std::string::npos);
CHECK(one.find("Bass") != std::string::npos);
const std::string two = describeExposedTracks({"Bass", "Drum bus"});
CHECK(two.find("2 tracks ") != std::string::npos);
CHECK(two.find("Bass") != std::string::npos);
CHECK(two.find("Drum bus") != std::string::npos);
}
static void testExposedReportNeverUsesRefusalWording() {
// Daniel's ruling was EXPOSE, not refuse -- the wording must never suggest the
// tool declined to act.
const std::string msg = describeExposedTracks({"Bass"});
CHECK(msg.find("refus") == std::string::npos);
}
static void testShouldReportSkipsAnExactRepeatOnly() {
const std::vector<std::string> a{"Bass"};
const std::vector<std::string> b{"Bass", "Drum bus"};
CHECK(!shouldReport(/*sameOwnerAsLast=*/true, a, a)); // exact repeat: silent
CHECK(shouldReport(/*sameOwnerAsLast=*/true, a, b)); // set changed: reprint
CHECK(shouldReport(/*sameOwnerAsLast=*/false, a, a)); // owner (project) changed: reprint
CHECK(shouldReport(/*sameOwnerAsLast=*/true, a, {})); // healed to none: reprint (resets memo)
}
int main() {
testEachDrivenFlagAddressesItsOwnReaperParameter();
testNoDrivenFlagCanEverAddressMuteOrSolo();
@@ -144,6 +223,15 @@ int main() {
testAPluginAddedWhileRestoredJoinsTheUnionRatherThanBeingDropped();
testAPluginRemovedWhileRestoredStaysInTheUnionForResolveFxRestoreToDrop();
testAChainSittingAtEveryParkedValueReadsAsParkShaped();
testOneFlagStillAtTheUsersValueMeansNotParkShaped();
testAnEmptyPlanProvesNothing();
testFxOfflineAloneIsNotFoldedIntoTheParkedRead();
testExposedTracksAreNamedAndEmptyListSaysNothing();
testExposedReportNeverUsesRefusalWording();
testShouldReportSkipsAnExactRepeatOnly();
if (g_fail == 0) std::printf("All tests passed.\n");
return g_fail ? 1 : 0;
}