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chore(test-isolation): use name-only signature to ignore live-app churn

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Drop size/mtime from the protected .fusion signature so heartbeat writes
to existing files (fusion.db-wal, settings.json, etc.) no longer trigger
false-positive leak failures when the post-test mutability probe happens
to land in a quiet window. New files still register; tests remain blocked
from writing to the real .fusion via the fs guards in vitest-setup.ts.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
gsxdsm
2026-05-06 13:38:20 -07:00
parent 2413ccb398
commit 79186c5e04
1 changed files with 7 additions and 4 deletions
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11
scripts/check-test-isolation.mjs
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@@ -105,13 +105,17 @@ function collectFusionSignature(rootDir, out = []) {
const fullPath = join(rootDir, entry.name);
const relPath = fullPath.slice(rootDir.length + (rootDir.endsWith(sep) ? 0 : 1));
if (isRuntimePath(relPath)) continue;
let entryStat;
try {
entryStat = statSync(fullPath);
statSync(fullPath);
} catch {
continue;
}
out.push(`${relPath}|${entry.isDirectory() ? "d" : "f"}|${entryStat.size}|${Math.floor(entryStat.mtimeMs)}`);
// Track only path + kind. Size/mtime would flip every time the live app
// touches an existing file (fusion.db-wal heartbeats, settings.json saves),
// producing false-positive "leak" failures. New files still get detected
// because they add a new entry to the set; tests are independently blocked
// from writing to the real .fusion via the fs guards in vitest-setup.ts.
out.push(`${relPath}|${entry.isDirectory() ? "d" : "f"}`);
if (entry.isDirectory()) collectFusionSignature(fullPath, out);
}
return out;
@@ -182,7 +186,6 @@ function checkAgainstBaseline() {
const baselineByDir = new Map((baseline.protectedFusion ?? []).map((entry) => [entry.dir, entry]));
const unstableProtectedDirs = new Set(baseline.unstableProtectedDirs ?? []);
const currentProtected = snapshotProtectedFusion();
const currentByDir = new Map(currentProtected.map((entry) => [entry.dir, entry]));
const candidateViolations = [];
for (const current of currentProtected) {
if (unstableProtectedDirs.has(current.dir)) continue;