From 82bdec1373d60c5fe958a010bf9e41bdd62fc7fe Mon Sep 17 00:00:00 2001
From: Jinjing <6427696+AmethystLiang@users.noreply.github.com>
Date: Sun, 26 Jul 2026 11:23:12 -0700
Subject: [PATCH] test(terminal): assert bounded probe during stalled reveal

Add assertion to verify that a stalled reveal operation makes exactly one
`getMainBufferSnapshot` call, ensuring retry logic doesn't introduce
redundant probes that would extend the timeout window before relay fallback.
---
 .../src/components/terminal-pane/pty-connection.test.ts        | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/renderer/src/components/terminal-pane/pty-connection.test.ts b/src/renderer/src/components/terminal-pane/pty-connection.test.ts
index fcca165e249..e87b1e057f9 100644
--- a/src/renderer/src/components/terminal-pane/pty-connection.test.ts
+++ b/src/renderer/src/components/terminal-pane/pty-connection.test.ts
@@ -19898,6 +19898,9 @@ describe('connectPanePty', () => {
     await flushAsyncTicks(20)
 
     expect(writes).toContain('relay-fallback-output')
+    // Why: a stalled reveal must cost exactly one bounded probe — a re-probe
+    // would buy a second timeout window before the relay paint.
+    expect(window.api.pty.getMainBufferSnapshot).toHaveBeenCalledTimes(1)
   })
 
   it('does not auto-reconnect after a user cancels deferred SSH passphrase auth', async () => {