chore: import upstream snapshot with attribution

tests/shared/test_httpx_utils.py

@@ -0,0 +1,24 @@
+"""Tests for httpx utility functions."""
+
+import httpx
+
+from mcp.shared._httpx_utils import create_mcp_http_client
+
+
+def test_default_settings():
+    """Test that default settings are applied correctly."""
+    client = create_mcp_http_client()
+
+    assert client.follow_redirects is True
+    assert client.timeout.connect == 30.0
+
+
+def test_custom_parameters():
+    """Test custom headers and timeout are set correctly."""
+    headers = {"Authorization": "Bearer token"}
+    timeout = httpx.Timeout(60.0)
+
+    client = create_mcp_http_client(headers, timeout)
+
+    assert client.headers["Authorization"] == "Bearer token"
+    assert client.timeout.connect == 60.0