1 files changed, 34 insertions, 0 deletions
diff --git a/packages/meshbay-cli/tests/test_ctrl_c.py b/packages/meshbay-cli/tests/test_ctrl_c.py
new file mode 100644
index 0000000..53a798a
--- /dev/null
+++ b/packages/meshbay-cli/tests/test_ctrl_c.py
@@ -0,0 +1,34 @@
+"""
+Ctrl+C stops the client at once, whatever its loop is waiting for.
+
+On Windows the client runs a selector loop (aiortc's ICE needs one), and a
+console event does not interrupt select(): Ctrl+C waited for the loop's next
+timer — half a minute in `chat --follow` between pings.
+"""
+
+import sys
+import time
+
+from console import ctrl_c, interruptible
+
+IDLE = ("import asyncio, sys\n"
+        "from meshbay_cli.__main__ import loop_factory\n"
+        "print('ready', flush=True)\n"
+        "try:\n"
+        "    asyncio.run(asyncio.sleep(60), loop_factory=loop_factory())\n"
+        "except KeyboardInterrupt:\n"
+        "    sys.exit(130)\n")
+
+
+def test_ctrl_c_wakes_an_idle_client_at_once():
+    proc = interruptible([sys.executable, "-c", IDLE], None)
+    try:
+        assert proc.stdout.readline().strip() == "ready", proc.stderr.read()
+        started = time.monotonic()
+        ctrl_c(proc)
+        proc.wait(timeout=30)
+        assert proc.returncode == 130, proc.stderr.read()
+        assert time.monotonic() - started < 5
+    finally:
+        if proc.poll() is None:
+            proc.kill()