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aprsd/tests/client/test_client_base.py
Hemna f1d066b8a9 Added unit test for client base
This patch adds a unit test for the APRSClient base class.
2024-11-05 12:15:59 -05:00

141 lines
4.3 KiB
Python

import unittest
from unittest import mock
from aprsd.client.base import APRSClient
from aprsd.packets import core
class MockAPRSClient(APRSClient):
"""Concrete implementation of APRSClient for testing."""
def stats(self):
return {"packets_received": 0, "packets_sent": 0}
def setup_connection(self):
mock_connection = mock.MagicMock()
# Configure the mock with required methods
mock_connection.close = mock.MagicMock()
mock_connection.stop = mock.MagicMock()
mock_connection.set_filter = mock.MagicMock()
mock_connection.send = mock.MagicMock()
self._client = mock_connection
return mock_connection
def decode_packet(self, *args, **kwargs):
return mock.MagicMock()
def consumer(self, callback, blocking=False, immortal=False, raw=False):
pass
def is_alive(self):
return True
def close(self):
pass
@staticmethod
def is_enabled():
return True
@staticmethod
def transport():
return "mock"
def reset(self):
"""Mock implementation of reset."""
if self._client:
self._client.close()
self._client = self.setup_connection()
if self.filter:
self._client.set_filter(self.filter)
class TestAPRSClient(unittest.TestCase):
def setUp(self):
# Reset the singleton instance before each test
APRSClient._instance = None
APRSClient._client = None
self.client = MockAPRSClient()
def test_singleton_pattern(self):
"""Test that multiple instantiations return the same instance."""
client1 = MockAPRSClient()
client2 = MockAPRSClient()
self.assertIs(client1, client2)
def test_set_filter(self):
"""Test setting APRS filter."""
# Get the existing mock client that was created in __init__
mock_client = self.client._client
test_filter = "m/50"
self.client.set_filter(test_filter)
self.assertEqual(self.client.filter, test_filter)
# The filter is set once during set_filter() and once during reset()
mock_client.set_filter.assert_called_with(test_filter)
@mock.patch("aprsd.client.base.LOG")
def test_reset(self, mock_log):
"""Test client reset functionality."""
# Create a new mock client with the necessary methods
old_client = mock.MagicMock()
self.client._client = old_client
self.client.reset()
# Verify the old client was closed
old_client.close.assert_called_once()
# Verify a new client was created
self.assertIsNotNone(self.client._client)
self.assertNotEqual(old_client, self.client._client)
def test_send_packet(self):
"""Test sending an APRS packet."""
mock_packet = mock.Mock(spec=core.Packet)
self.client.send(mock_packet)
self.client._client.send.assert_called_once_with(mock_packet)
def test_stop(self):
"""Test stopping the client."""
# Ensure client is created first
self.client._create_client()
self.client.stop()
self.client._client.stop.assert_called_once()
@mock.patch("aprsd.client.base.LOG")
def test_create_client_failure(self, mock_log):
"""Test handling of client creation failure."""
# Make setup_connection raise an exception
with mock.patch.object(
self.client, "setup_connection",
side_effect=Exception("Connection failed"),
):
with self.assertRaises(Exception):
self.client._create_client()
self.assertIsNone(self.client._client)
mock_log.error.assert_called_once()
def test_client_property(self):
"""Test the client property creates client if none exists."""
self.client._client = None
client = self.client.client
self.assertIsNotNone(client)
def test_filter_applied_on_creation(self):
"""Test that filter is applied when creating new client."""
test_filter = "m/50"
self.client.set_filter(test_filter)
# Force client recreation
self.client.reset()
# Verify filter was applied to new client
self.client._client.set_filter.assert_called_with(test_filter)
if __name__ == "__main__":
unittest.main()