[COVERAGE] Slight improvement to test coverage

Changes in file multicast/__main__.py:
 * marked branch as defensive code

Changes in file multicast/hear.py:
 * tweaked the doctests slightly

Changes in file tests/test_hear_server_activate.py:
 * added a few more tests

Author: reactive-firewall

multicast/__main__.py

@@ -860,7 +860,7 @@ def cli() -> int:
 			>>>
 	"""
 	__EXIT_CODE: tuple = (1, exceptions.EXIT_CODES[1][1])
-	if sys.argv is not None:
+	if sys.argv is not None:  # pragma: no branch
 		if len(sys.argv) > 1:
 			__EXIT_CODE = main(sys.argv[1:])
 		else:  # pragma: no branch

multicast/hear.py

@@ -328,8 +328,6 @@ def __init__(
 		logger_name = server_address[0] if server_address and len(server_address) > 0 else None
 		if logger_name:  # pragma: no branch
 			self.__logger = logging.getLogger(f"{self.__log_handle__}.{logger_name}")
-		else:
-			self.__logger = logging.getLogger(f"{self.__log_handle__}")
 		super().__init__(server_address, RequestHandlerClass, bind_and_activate)
 
 	def _sync_logger(self) -> None:

tests/test_hear_server_activate.py

@@ -32,6 +32,7 @@
 		from context import unittest
 		import threading
 		import socket
+		import socketserver
 except Exception as baton:
 	raise ImportError("[CWE-758] Failed to import test context") from baton
 
@@ -120,5 +121,57 @@ def run_server() -> None:
 		self.assertTrue(final_result)
 
 
+@context.markWithMetaTag("mat", "hear")
+class HearServerInitTestSuite(context.BasicUsageTestSuite):
+
+	def test_initialization_with_valid_address(self):
+		"""
+		Test multicast server initialization with a valid address.
+
+		Verifies that:
+			1. The server instance is of the correct type (McastServer).
+			2. The server instance is also recognized as a UDPServer.
+			3. Cleanup is performed correctly after initialization.
+		"""
+		server = multicast.hear.McastServer(('224.0.0.1', 12345), None)
+		self.assertIsInstance(server, multicast.hear.McastServer)
+		self.assertIsInstance(server, socketserver.UDPServer)
+		server.server_close()  # Clean up
+
+	def test_initialization_with_logger_name(self):
+		"""
+		Test multicast server initialization with a specific logger name.
+
+		Verifies that:
+			1. The logger is properly initialized.
+			2. The logger's name ends with the expected multicast address.
+			3. Cleanup is performed correctly after initialization.
+		"""
+		test_addr = ('239.0.0.9', 23456)
+		server = multicast.hear.McastServer(test_addr, None)
+		self.assertIsNotNone(server.logger)
+		self.assertTrue(server.logger.name.endswith('239.0.0.9'))
+		server.server_close()  # Clean up
+
+	def test_initialization_without_address(self):
+		"""
+		Test multicast server initialization without a valid address.
+
+		Verifies that:
+			1. The logger is initialized with the default name when server_address is None.
+			2. The logger is initialized with the default name when server_address is an empty tuple.
+			3. Cleanup is performed correctly after initialization.
+		"""
+		server = multicast.hear.McastServer(None, None)
+		self.assertIsNotNone(server.logger)
+		self.assertEqual(server.logger.name, 'multicast.hear.McastServer')
+		server.server_close()  # Clean up
+
+		server = multicast.hear.McastServer((), None)
+		self.assertIsNotNone(server.logger)
+		self.assertEqual(server.logger.name, 'multicast.hear.McastServer')
+		server.server_close()  # Clean up
+
+
 if __name__ == '__main__':
 	unittest.main()