File: 0004-Handle-ConnectionRefusedError-when-connecting-to-223.patch

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From: Stefano Rivera <stefanor@debian.org>
Date: Wed, 18 May 2022 09:21:27 -0400
Subject: Handle ConnectionRefusedError when connecting to 223.255.255.254

If the tests are run from an environment with a firewall, they may be
refused instead of timing out.

Just skip the test.

Forwarded: https://github.com/ronf/asyncssh/pull/480
---
 tests/test_connection.py | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/tests/test_connection.py b/tests/test_connection.py
index 9a3871c..9eec850 100644
--- a/tests/test_connection.py
+++ b/tests/test_connection.py
@@ -425,23 +425,32 @@ class _TestConnection(ServerTestCase):
     async def test_connect_timeout_exceeded(self):
         """Test connect timeout exceeded"""
 
-        with self.assertRaises(asyncio.TimeoutError):
-            await asyncssh.connect('223.255.255.254', connect_timeout=1)
+        try:
+            with self.assertRaises(asyncio.TimeoutError):
+                await asyncssh.connect('223.255.255.254', connect_timeout=1)
+        except ConnectionRefusedError:
+            raise unittest.SkipTest("Outboand connection firewalled")
 
     @asynctest
     async def test_connect_timeout_exceeded_string(self):
         """Test connect timeout exceeded with string value"""
 
-        with self.assertRaises(asyncio.TimeoutError):
-            await asyncssh.connect('223.255.255.254', connect_timeout='0m1s')
+        try:
+            with self.assertRaises(asyncio.TimeoutError):
+                await asyncssh.connect('223.255.255.254', connect_timeout='0m1s')
+        except ConnectionRefusedError:
+            raise unittest.SkipTest("Outboand connection firewalled")
 
     @asynctest
     async def test_connect_timeout_exceeded_tunnel(self):
         """Test connect timeout exceeded"""
 
-        with self.assertRaises(asyncio.TimeoutError):
-            await asyncssh.listen(server_host_keys=['skey'],
-                                  tunnel='223.255.255.254', connect_timeout=1)
+        try:
+            with self.assertRaises(asyncio.TimeoutError):
+                await asyncssh.listen(server_host_keys=['skey'],
+                                      tunnel='223.255.255.254', connect_timeout=1)
+        except ConnectionRefusedError:
+            raise unittest.SkipTest("Outboand connection firewalled")
 
     @asynctest
     async def test_invalid_connect_timeout(self):