From a624a56e289e4a02a411f83741f0f2c9fc0f0b2e Mon Sep 17 00:00:00 2001
From: Gabriel Schneider <gbrls@0x4200.cafe>
Date: Mon, 14 Sep 2026 21:26:47 -0300
Subject: Add Linux Tty9p mounted terminals and forward raw TTY keys

---
 test/fs.py | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

(limited to 'test/fs.py')

diff --git a/test/fs.py b/test/fs.py
index 85cf6855..2ffd5098 100644
--- a/test/fs.py
+++ b/test/fs.py
@@ -122,6 +122,41 @@ def execute(client, serial, command):
     client.write(f'/self/pane/{serial}/event', f'MX0 {len(text)}\n'.encode())
 
 
+def discovery(binary):
+    with tempfile.TemporaryDirectory(prefix='pardes-discovery-') as directory:
+        with session(binary, Path(directory), 'discovery') as (client, _):
+            before = client.read('/self/index')
+            entries = client.list('/self/new')
+            assert {'README', 'ctl', 'body', 'addr', 'data', 'event'} <= set(entries)
+            guide = client.read('/self/README')
+            assert guide == client.read('/self/new/README')
+            assert b'Each open creates a separate pane' in guide
+            # Walk and stat each entry, as a filesystem browser does, without open.
+            from ninep import string
+            for name in entries:
+                client.fid += 1
+                fid = client.fid
+                client.rpc(110, struct.pack('<IIH', 1, fid, 3) +
+                           string('self') + string('new') + string(name))
+                try:
+                    client.rpc(124, struct.pack('<I', fid))
+                finally:
+                    client.close(fid)
+            assert client.read('/self/index') == before, 'browsing created a pane'
+            first = int(client.read('/self/new/ctl').split()[0])
+            second = int(client.read('/self/new/ctl').split()[0])
+            assert first != second
+            client.write(f'/self/pane/{first}/body', b'first pane', truncate=True)
+            assert client.read(f'/self/pane/{first}/body') == b'first pane'
+            assert client.read(f'/self/pane/{second}/body') == b''
+            before_ids = set(client.list('/self/pane'))
+            client.write('/self/new/body', b'created with text', truncate=True)
+            made = set(client.list('/self/pane')) - before_ids
+            assert len(made) == 1
+            assert client.read('/self/pane/' + made.pop() + '/body') == b'created with text'
+    print('9P discovery: listing/stat/README are inert; opens create independent panes')
+
+
 def test(binary, quic=False):
     started = time.monotonic()
     for options, message in [
@@ -549,6 +584,9 @@ def quic_test(binary):
 
 
 if __name__ == '__main__':
+    if len(sys.argv) == 3 and sys.argv[2] == '--discovery':
+        discovery(str(Path(sys.argv[1]).resolve()))
+        raise SystemExit(0)
     if len(sys.argv) not in [2, 3] or (len(sys.argv) == 3 and sys.argv[2] != '--quic'):
-        raise SystemExit('usage: fs.py <pardes> [--quic]')
+        raise SystemExit('usage: fs.py <pardes> [--quic | --discovery]')
     test(str(Path(sys.argv[1]).resolve()), quic=len(sys.argv) == 3)
-- 
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