Improved Test Coverage for HTTP Utility's IP Setting Functionality (#…

…2693)

util/opentelemetry-util-http/tests/test_try_set_ip.py

@@ -0,0 +1,67 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+import socket
+import unittest
+from http.client import HTTPConnection
+from unittest.mock import MagicMock, patch
+
+from opentelemetry.util.http.httplib import trysetip
+
+
+class TestTrySetIP(unittest.TestCase):
+    def setUp(self):
+        # Setup a mock HTTPConnection
+        self.conn = MagicMock(spec=HTTPConnection)
+        self.conn.sock = MagicMock(spec=socket.socket)
+
+        # Mock state function and Span class
+        self.mock_state = {"need_ip": [MagicMock()]}
+        self.mock_getstate = patch(
+            "opentelemetry.util.http.httplib._getstate",
+            return_value=self.mock_state,
+        )
+        self.mock_getstate.start()
+
+    def test_ip_set_successfully(self):
+        self.conn.sock.getpeername.return_value = ("192.168.1.1", 8080)
+
+        success = trysetip(self.conn, loglevel=logging.DEBUG)
+
+        # Verify that the IP was set correctly
+        for span in self.mock_state["need_ip"]:
+            span.set_attribute.assert_called_once_with(
+                "net.peer.ip", "192.168.1.1"
+            )
+        self.assertTrue(success)
+
+    def test_no_socket_connection(self):
+        # Setup the connection with no socket
+        self.conn.sock = None
+
+        success = trysetip(self.conn, loglevel=logging.DEBUG)
+
+        self.assertFalse(success)
+
+    def test_exception_during_ip_retrieval(self):
+        self.conn.sock.getpeername.side_effect = Exception("Test Exception")
+
+        with self.assertLogs(level=logging.WARNING) as warning:
+            success = trysetip(self.conn, loglevel=logging.WARNING)
+            self.assertEqual(len(warning.records), 1)
+            self.assertIn(
+                "Failed to get peer address", warning.records[0].message
+            )
+            self.assertTrue(success)