Modify unix socket tests to short paths

tests/test_sockets.py

@@ -7,14 +7,15 @@
 import platform
 import socket
 import sys
+import tempfile
 import threading
 import time
 from contextlib import suppress
 from pathlib import Path
 from socket import AddressFamily
 from ssl import SSLContext, SSLError
 from threading import Thread
-from typing import Any, Iterable, Iterator, NoReturn, TypeVar, cast
+from typing import Any, Generator, Iterable, Iterator, NoReturn, TypeVar, cast
 
 import psutil
 import pytest
@@ -707,8 +708,14 @@ async def test_bind_link_local(self) -> None:
 )
 class TestUNIXStream:
     @pytest.fixture
-    def socket_path(self, tmp_path_factory: TempPathFactory) -> Path:
-        return tmp_path_factory.mktemp("unix").joinpath("socket")
+    def socket_path(self) -> Generator[Path, None, None]:
+        # Use /tmp if exists, falling back to the default location
+        # Fixes `OSError: AF_UNIX path too long` on MacOS
+        # Discussion: https://github.com/python/cpython/issues/93852
+        tmp = Path("/tmp")
+        dir = tmp if tmp.exists() else None
+        with tempfile.TemporaryDirectory(dir=dir) as path:
+            yield Path(path) / "socket"
 
     @pytest.fixture(params=[False, True], ids=["str", "path"])
     def socket_path_or_str(self, request: SubRequest, socket_path: Path) -> Path | str:
@@ -1026,8 +1033,14 @@ async def test_connecting_with_non_utf8(self, socket_path: Path) -> None:
 )
 class TestUNIXListener:
     @pytest.fixture
-    def socket_path(self, tmp_path_factory: TempPathFactory) -> Path:
-        return tmp_path_factory.mktemp("unix").joinpath("socket")
+    def socket_path(self) -> Generator[Path, None, None]:
+        # Use /tmp if exists, falling back to the default location
+        # Fixes `OSError: AF_UNIX path too long` on MacOS
+        # Discussion: https://github.com/python/cpython/issues/93852
+        tmp = Path("/tmp")
+        dir = tmp if tmp.exists() else None
+        with tempfile.TemporaryDirectory(dir=dir) as path:
+            yield Path(path) / "socket"
 
     @pytest.fixture(params=[False, True], ids=["str", "path"])
     def socket_path_or_str(self, request: SubRequest, socket_path: Path) -> Path | str:
@@ -1423,16 +1436,28 @@ async def test_send_after_close(self, family: AnyIPAddressFamily) -> None:
 )
 class TestUNIXDatagramSocket:
     @pytest.fixture
-    def socket_path(self, tmp_path_factory: TempPathFactory) -> Path:
-        return tmp_path_factory.mktemp("unix").joinpath("socket")
+    def socket_path(self) -> Generator[Path, None, None]:
+        # Use /tmp if exists, falling back to the default location
+        # Fixes `OSError: AF_UNIX path too long` on MacOS
+        # Discussion: https://github.com/python/cpython/issues/93852
+        tmp = Path("/tmp")
+        dir = tmp if tmp.exists() else None
+        with tempfile.TemporaryDirectory(dir=dir) as path:
+            yield Path(path) / "socket"
 
     @pytest.fixture(params=[False, True], ids=["str", "path"])
     def socket_path_or_str(self, request: SubRequest, socket_path: Path) -> Path | str:
         return socket_path if request.param else str(socket_path)
 
     @pytest.fixture
-    def peer_socket_path(self, tmp_path_factory: TempPathFactory) -> Path:
-        return tmp_path_factory.mktemp("unix").joinpath("peer_socket")
+    def peer_socket_path(self) -> Generator[Path, None, None]:
+        # Use /tmp if exists, falling back to the default location
+        # Fixes `OSError: AF_UNIX path too long` on MacOS
+        # Discussion: https://github.com/python/cpython/issues/93852
+        tmp = Path("/tmp")
+        dir = tmp if tmp.exists() else None
+        with tempfile.TemporaryDirectory(dir=dir) as path:
+            yield Path(path) / "peer_socket"
 
     async def test_extra_attributes(self, socket_path: Path) -> None:
         async with await create_unix_datagram_socket(local_path=socket_path) as unix_dg:
@@ -1545,16 +1570,28 @@ async def test_local_path_invalid_ascii(self, socket_path: Path) -> None:
 )
 class TestConnectedUNIXDatagramSocket:
     @pytest.fixture
-    def socket_path(self, tmp_path_factory: TempPathFactory) -> Path:
-        return tmp_path_factory.mktemp("unix").joinpath("socket")
+    def socket_path(self) -> Generator[Path, None, None]:
+        # Use /tmp if exists, falling back to the default location
+        # Fixes `OSError: AF_UNIX path too long` on MacOS
+        # Discussion: https://github.com/python/cpython/issues/93852
+        tmp = Path("/tmp")
+        dir = tmp if tmp.exists() else None
+        with tempfile.TemporaryDirectory(dir=dir) as path:
+            yield Path(path) / "socket"
 
     @pytest.fixture(params=[False, True], ids=["str", "path"])
     def socket_path_or_str(self, request: SubRequest, socket_path: Path) -> Path | str:
         return socket_path if request.param else str(socket_path)
 
     @pytest.fixture
-    def peer_socket_path(self, tmp_path_factory: TempPathFactory) -> Path:
-        return tmp_path_factory.mktemp("unix").joinpath("peer_socket")
+    def peer_socket_path(self) -> Generator[Path, None, None]:
+        # Use /tmp if exists, falling back to the default location
+        # Fixes `OSError: AF_UNIX path too long` on MacOS
+        # Discussion: https://github.com/python/cpython/issues/93852
+        tmp = Path("/tmp")
+        dir = tmp if tmp.exists() else None
+        with tempfile.TemporaryDirectory(dir=dir) as path:
+            yield Path(path) / "peer_socket"
 
     @pytest.fixture(params=[False, True], ids=["peer_str", "peer_path"])
     def peer_socket_path_or_str(