From e8ddd80886b03cafa9800e9f94f9107572e4abd7 Mon Sep 17 00:00:00 2001
From: Olli Paakkunainen <olli@paakkunainen.fi>
Date: Thu, 25 Nov 2021 15:23:08 +0900
Subject: [PATCH] Fix pytest-socket raises IndexError with httpx

---
 pyproject.toml      |  3 ++-
 pytest_socket.py    |  2 +-
 tests/test_async.py | 21 ++++++++++++++++++++-
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 5828d45..0e9734a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.6"
+python = "^3.6.2"
 pytest = ">=3.6.3"
 
 [tool.poetry.dev-dependencies]
@@ -42,6 +42,7 @@ pytest-flake8 = "^1.0.4"
 asynctest = "^0.13.0"
 requests = "^2.26.0"
 starlette = "^0.14.2"
+httpx = "^0.21.1"
 
 [tool.poetry.plugins.pytest11]
 socket = 'pytest_socket'
diff --git a/pytest_socket.py b/pytest_socket.py
index 5e4ca3c..053c18d 100644
--- a/pytest_socket.py
+++ b/pytest_socket.py
@@ -87,7 +87,7 @@ class GuardedSocket(socket.socket):
         def __new__(cls, *args, **kwargs):
             try:
                 is_unix_socket = args[0] == socket.AF_UNIX
-            except AttributeError:
+            except (AttributeError, IndexError):
                 # AF_UNIX not supported on Windows https://bugs.python.org/issue33408
                 is_unix_socket = False
 
diff --git a/tests/test_async.py b/tests/test_async.py
index 963ba73..e521e59 100644
--- a/tests/test_async.py
+++ b/tests/test_async.py
@@ -1,7 +1,7 @@
 import socket
 
 import pytest
-
+from test_socket import assert_socket_blocked
 
 unix_sockets_only = pytest.mark.skipif(
     not hasattr(socket, "AF_UNIX"),
@@ -54,3 +54,22 @@ def test_app():
     """)
     result = testdir.runpytest("--verbose", "--disable-socket", "--allow-unix-socket")
     result.assert_outcomes(passed=1, skipped=0, failed=0)
+
+
+@unix_sockets_only
+def test_httpx_fails(testdir):
+    testdir.makepyfile("""
+        import pytest
+        import httpx
+
+
+        @pytest.fixture(autouse=True)
+        def anyio_backend():
+            return "asyncio"
+
+        async def test_httpx():
+            async with httpx.AsyncClient() as client:
+                await client.get("http://www.example.com/")
+    """)
+    result = testdir.runpytest("--verbose", "--disable-socket", "--allow-unix-socket")
+    assert_socket_blocked(result)