pytest: test binding lightningd to a UNIX domain socket.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

tests/test_misc.py

@@ -566,6 +566,7 @@ def test_io_logging(node_factory, executor):
     assert any(l['type'] == 'IO_IN' for l in peerlog)
 
 
+@pytest.mark.xfail(strict=True)
 def test_address(node_factory):
     if DEVELOPER:
         opts = {'dev-allow-localhost': None}
@@ -587,6 +588,14 @@ def test_address(node_factory):
     assert bind[0]['address'] == '127.0.0.1'
     assert int(bind[0]['port']) == l1.port
 
+    # Now test UNIX domain binding.
+    l1.stop()
+    l1.daemon.opts['bind-addr'] = os.path.join(l1.daemon.lightning_dir, "sock")
+    l1.start()
+
+    l2 = node_factory.get_node()
+    l2.rpc.connect(l1.info['id'], l1.daemon.opts['bind-addr'])
+
 
 def test_listconfigs(node_factory, bitcoind):
     l1 = node_factory.get_node()