1 files changed, 15 insertions, 2 deletions
diff --git a/packages/meshbay-hub/tests/test_zip_size_limit.py b/packages/meshbay-hub/tests/test_zip_size_limit.py
index e970c55..28e3a0c 100644
--- a/packages/meshbay-hub/tests/test_zip_size_limit.py
+++ b/packages/meshbay-hub/tests/test_zip_size_limit.py
@@ -60,7 +60,7 @@ globalThis.localStorage = {{
 // Node 22 defines `navigator` itself, so it is left alone; `window` is what
 // platform.js reaches for to decide it is not running in the desktop app.
 globalThis.window = globalThis;
-const out = {{ errors: [], started: 0, asked: 0 }};
+const out = {{ errors: [], started: 0, asked: 0, dropped: 0 }};
 // Reached only once the size check has passed: with no File System Access API
 // under Node, downloadDirectory falls through to its build-in-memory path and
 // asks first. Answering yes is what lets the at-the-limit case get as far as
@@ -80,7 +80,18 @@ if ({picker_js}) {{
 
 const M = await import('{(sandbox / "file-utils.js").as_posix()}');
 
-const transfers = {{ start: () => {{ out.started += 1; }} }};
+// Faithful enough to the real store: it runs `prepare` and honours what it
+// returns. The target is opened there now — the row exists from the click and
+// the slow part happens behind it — so a stub that only counts calls would
+// never reach the size check this file is about.
+const transfers = {{ start: (opts) => {{
+  out.started += 1;
+  if (!opts.prepare) return;
+  Promise.resolve()
+    .then(() => opts.prepare())
+    .then((ready) => {{ if (ready === false) {{ out.started -= 1; out.dropped += 1; }} }})
+    .catch((e) => {{ out.started -= 1; out.errors.push(e.message); }});
+}} }};
 // A transport hands out transfer slots now (transfers.py's leases). The stub
 // grants at once, which is what a node with no caps does: what this file is
 // about is the archive limit, not the queue.
@@ -100,6 +111,8 @@ await M.downloadDirectory(transfers, transport, null, entries, 'album', {{
   setError: (m) => out.errors.push(m),
 }});
 
+// `prepare` runs on a microtask, so let it.
+await new Promise(r => setTimeout(r, 10));
 out.limit = M.ZIP_MAX_BYTES;
 console.log(JSON.stringify(out));
 """, encoding="utf-8")