proxy.py/tests/core/test_conn_pool.py

74 lines
2.7 KiB
Python

# -*- coding: utf-8 -*-
"""
proxy.py
~~~~~~~~
⚡⚡⚡ Fast, Lightweight, Pluggable, TLS interception capable proxy server focused on
Network monitoring, controls & Application development, testing, debugging.
:copyright: (c) 2013-present by Abhinav Singh and contributors.
:license: BSD, see LICENSE for more details.
"""
import unittest
from unittest import mock
from proxy.core.connection import ConnectionPool
class TestConnectionPool(unittest.TestCase):
@mock.patch('proxy.core.connection.pool.TcpServerConnection')
def test_acquire_and_release_and_reacquire(self, mock_tcp_server_connection: mock.Mock) -> None:
pool = ConnectionPool()
addr = ('localhost', 1234)
# Mock
mock_conn = mock_tcp_server_connection.return_value
mock_conn.is_reusable.side_effect = [
False, True, True,
]
mock_conn.closed = False
# Acquire
created, conn = pool.acquire(*addr)
self.assertTrue(created)
mock_tcp_server_connection.assert_called_once_with(*addr)
self.assertEqual(conn, mock_conn)
self.assertEqual(len(pool.pools[addr]), 1)
self.assertTrue(conn in pool.pools[addr])
# Release (connection must be retained because not closed)
pool.release(conn)
self.assertEqual(len(pool.pools[addr]), 1)
self.assertTrue(conn in pool.pools[addr])
# Reacquire
created, conn = pool.acquire(*addr)
self.assertFalse(created)
mock_conn.reset.assert_called_once()
self.assertEqual(conn, mock_conn)
self.assertEqual(len(pool.pools[addr]), 1)
self.assertTrue(conn in pool.pools[addr])
@mock.patch('proxy.core.connection.pool.TcpServerConnection')
def test_closed_connections_are_removed_on_release(
self, mock_tcp_server_connection: mock.Mock,
) -> None:
pool = ConnectionPool()
addr = ('localhost', 1234)
# Mock
mock_conn = mock_tcp_server_connection.return_value
mock_conn.closed = True
mock_conn.addr = addr
# Acquire
created, conn = pool.acquire(*addr)
self.assertTrue(created)
mock_tcp_server_connection.assert_called_once_with(*addr)
self.assertEqual(conn, mock_conn)
self.assertEqual(len(pool.pools[addr]), 1)
self.assertTrue(conn in pool.pools[addr])
# Release
pool.release(conn)
self.assertEqual(len(pool.pools[addr]), 0)
# Acquire
created, conn = pool.acquire(*addr)
self.assertTrue(created)
self.assertEqual(mock_tcp_server_connection.call_count, 2)
mock_conn.is_reusable.assert_not_called()