proxy.py/tests/http/test_http_proxy.py

96 lines
3.6 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
import selectors
from unittest import mock
from proxy.common.constants import DEFAULT_HTTP_PORT
from proxy.proxy import Proxy
from proxy.core.connection import TcpClientConnection
from proxy.http.proxy import HttpProxyPlugin
from proxy.http.handler import HttpProtocolHandler
from proxy.http.exception import HttpProtocolException
from proxy.common.utils import build_http_request
class TestHttpProxyPlugin(unittest.TestCase):
@mock.patch('selectors.DefaultSelector')
@mock.patch('socket.fromfd')
def setUp(self,
mock_fromfd: mock.Mock,
mock_selector: mock.Mock) -> None:
self.mock_fromfd = mock_fromfd
self.mock_selector = mock_selector
self.fileno = 10
self._addr = ('127.0.0.1', 54382)
self.flags = Proxy.initialize()
self.plugin = mock.MagicMock()
self.flags.plugins = {
b'HttpProtocolHandlerPlugin': [HttpProxyPlugin],
b'HttpProxyBasePlugin': [self.plugin]
}
self._conn = mock_fromfd.return_value
self.protocol_handler = HttpProtocolHandler(
TcpClientConnection(self._conn, self._addr),
flags=self.flags)
self.protocol_handler.initialize()
def test_proxy_plugin_initialized(self) -> None:
self.plugin.assert_called()
@mock.patch('proxy.http.proxy.server.TcpServerConnection')
def test_proxy_plugin_on_and_before_upstream_connection(
self,
mock_server_conn: mock.Mock) -> None:
self.plugin.return_value.before_upstream_connection.side_effect = lambda r: r
self.plugin.return_value.handle_client_request.side_effect = lambda r: r
self._conn.recv.return_value = build_http_request(
b'GET', b'http://upstream.host/not-found.html',
headers={
b'Host': b'upstream.host'
})
self.mock_selector.return_value.select.side_effect = [
[(selectors.SelectorKey(
fileobj=self._conn,
fd=self._conn.fileno,
events=selectors.EVENT_READ,
data=None), selectors.EVENT_READ)], ]
self.protocol_handler.run_once()
mock_server_conn.assert_called_with('upstream.host', DEFAULT_HTTP_PORT)
self.plugin.return_value.before_upstream_connection.assert_called()
self.plugin.return_value.handle_client_request.assert_called()
@mock.patch('proxy.http.proxy.server.TcpServerConnection')
def test_proxy_plugin_before_upstream_connection_can_teardown(
self,
mock_server_conn: mock.Mock) -> None:
self.plugin.return_value.before_upstream_connection.side_effect = HttpProtocolException()
self._conn.recv.return_value = build_http_request(
b'GET', b'http://upstream.host/not-found.html',
headers={
b'Host': b'upstream.host'
})
self.mock_selector.return_value.select.side_effect = [
[(selectors.SelectorKey(
fileobj=self._conn,
fd=self._conn.fileno,
events=selectors.EVENT_READ,
data=None), selectors.EVENT_READ)], ]
self.protocol_handler.run_once()
self.plugin.return_value.before_upstream_connection.assert_called()
mock_server_conn.assert_not_called()