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"""
Tests for pika.base_connection.BaseConnection
"""
import socket
import unittest
from unittest import mock
import pika
import pika.tcp_socket_opts
from pika.adapters import base_connection
# pylint: disable=C0111,W0212,C0103
# If this is missing, set it manually. We need it to test tcp opt setting.
try:
TCP_KEEPIDLE = socket.TCP_KEEPIDLE
except AttributeError:
TCP_KEEPIDLE = 4
class ConstructibleBaseConnection(base_connection.BaseConnection):
"""Adds dummy overrides for `BaseConnection`'s abstract methods so
that we can instantiate and test it.
"""
@classmethod
def create_connection(cls, *args, **kwargs): # pylint: disable=W0221
raise NotImplementedError
class BaseConnectionTests(unittest.TestCase):
def setUp(self):
with mock.patch.object(ConstructibleBaseConnection,
'_adapter_connect_stream'):
self.connection = ConstructibleBaseConnection(
None, None, None, None, None,
internal_connection_workflow=True)
self.connection._set_connection_state(
ConstructibleBaseConnection.CONNECTION_OPEN)
def test_repr(self):
text = repr(self.connection)
self.assertTrue(text.startswith('<ConstructibleBaseConnection'), text)
def test_should_raise_value_exception_with_no_params_func_instead(self):
self.assertRaises(ValueError, ConstructibleBaseConnection,
lambda: True, None, None, None, None,
internal_connection_workflow=True)
def test_tcp_options_with_dict_tcp_options(self):
tcp_options = dict(TCP_KEEPIDLE=60)
params = pika.ConnectionParameters(tcp_options=tcp_options)
self.assertEqual(params.tcp_options, tcp_options)
with mock.patch.dict('pika.tcp_socket_opts._SUPPORTED_TCP_OPTIONS',
{'TCP_KEEPIDLE': TCP_KEEPIDLE}):
sock_mock = mock.Mock()
pika.tcp_socket_opts.set_sock_opts(params.tcp_options, sock_mock)
expected = [
mock.call.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE,
1),
mock.call.setsockopt(socket.SOL_TCP, TCP_KEEPIDLE, 60)
]
self.assertEqual(sock_mock.method_calls, expected)
def test_tcp_options_with_invalid_tcp_options(self):
tcp_options = dict(TCP_EVIL_OPTION=1234)
params = pika.ConnectionParameters(tcp_options=tcp_options)
self.assertEqual(params.tcp_options, tcp_options)
sock_mock = mock.Mock()
pika.tcp_socket_opts.set_sock_opts(params.tcp_options, sock_mock)
keepalive_call = mock.call.setsockopt(socket.SOL_SOCKET,
socket.SO_KEEPALIVE, 1)
self.assertNotIn(keepalive_call, sock_mock.method_calls)
def test_tcp_options_with_none_tcp_options(self):
params = pika.ConnectionParameters(tcp_options=None)
self.assertIsNone(params.tcp_options)
sock_mock = mock.Mock()
pika.tcp_socket_opts.set_sock_opts(params.tcp_options, sock_mock)
keepalive_call = mock.call.setsockopt(socket.SOL_SOCKET,
socket.SO_KEEPALIVE, 1)
self.assertNotIn(keepalive_call, sock_mock.method_calls)
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