Add test for host connect and disconnect

tests/interop/conftest.py

@@ -1,8 +1,11 @@
+import asyncio
 import sys
 
 import pexpect
 import pytest
 
+from .daemon import make_p2pd
+
 
 @pytest.fixture
 def proc_factory():
@@ -22,3 +25,19 @@ def proc_factory():
     finally:
         for proc in procs:
             proc.close()
+
+
+@pytest.fixture
+def num_p2pds():
+    return 1
+
+
+@pytest.fixture
+async def p2pds(num_p2pds, is_host_secure, unused_tcp_port_factory):
+    p2pds = await asyncio.gather(
+        *[make_p2pd(unused_tcp_port_factory, is_host_secure) for _ in range(num_p2pds)]
+    )
+    try:
+        yield p2pds
+    finally:
+        await asyncio.gather(*[p2pd.close() for p2pd in p2pds])