Make sure we don't test with sockets over 104 chars

Author: aperez

lldb/test/API/commands/protocol/TestMCPUnixSocket.py

@@ -1,9 +1,14 @@
 import os
 import tempfile
+import unittest
 
 from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
 
+# To be safe and portable, Unix domain socket paths should be kept at or below
+# 108 characters on Linux, and around 104 characters on macOS:
+MAX_SOCKET_PATH_LENGTH = 104
+
 
 class MCPUnixSocketCommandTestCase(TestBase):
     @skipIfWindows
@@ -16,6 +21,11 @@ def test_unix_socket(self):
         temp_directory = tempfile.TemporaryDirectory()
         socket_file = os.path.join(temp_directory.name, "mcp.sock")
 
+        if len(socket_file) >= MAX_SOCKET_PATH_LENGTH:
+            self.skipTest(
+                f"Socket path {socket_file} exceeds the {MAX_SOCKET_PATH_LENGTH} character limit"
+            )
+
         self.expect(
             f"protocol-server start MCP accept://{socket_file}",
             startstr="MCP server started with connection listeners:",