92 lines
3.4 KiB
Python
92 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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proxy.py
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~~~~~~~~
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⚡⚡⚡ Fast, Lightweight, Programmable Proxy Server in a single Python file.
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:copyright: (c) 2013-present by Abhinav Singh and contributors.
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:license: BSD, see LICENSE for more details.
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"""
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import unittest
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import selectors
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from unittest import mock
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from proxy.common.flags import Flags
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from proxy.http.proxy import HttpProxyPlugin
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from proxy.http.handler import HttpProtocolHandler
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from proxy.http.exception import HttpProtocolException
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from proxy.common.utils import build_http_request
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class TestHttpProxyPlugin(unittest.TestCase):
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@mock.patch('selectors.DefaultSelector')
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@mock.patch('socket.fromfd')
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def setUp(self,
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mock_fromfd: mock.Mock,
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mock_selector: mock.Mock) -> None:
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self.mock_fromfd = mock_fromfd
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self.mock_selector = mock_selector
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self.fileno = 10
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self._addr = ('127.0.0.1', 54382)
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self.flags = Flags()
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self.plugin = mock.MagicMock()
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self.flags.plugins = {
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b'HttpProtocolHandlerPlugin': [HttpProxyPlugin],
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b'HttpProxyBasePlugin': [self.plugin]
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}
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self._conn = mock_fromfd.return_value
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self.protocol_handler = HttpProtocolHandler(
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self.fileno, self._addr, flags=self.flags)
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self.protocol_handler.initialize()
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def test_proxy_plugin_initialized(self) -> None:
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self.plugin.assert_called()
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@mock.patch('proxy.http.proxy.TcpServerConnection')
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def test_proxy_plugin_on_and_before_upstream_connection(
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self,
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mock_server_conn: mock.Mock) -> None:
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self.plugin.return_value.before_upstream_connection.side_effect = lambda r: r
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self.plugin.return_value.handle_client_request.side_effect = lambda r: r
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self._conn.recv.return_value = build_http_request(
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b'GET', b'http://upstream.host/not-found.html',
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headers={
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b'Host': b'upstream.host'
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})
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self.mock_selector.return_value.select.side_effect = [
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[(selectors.SelectorKey(
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fileobj=self._conn,
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fd=self._conn.fileno,
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events=selectors.EVENT_READ,
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data=None), selectors.EVENT_READ)], ]
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self.protocol_handler.run_once()
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mock_server_conn.assert_called_with('upstream.host', 80)
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self.plugin.return_value.before_upstream_connection.assert_called()
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self.plugin.return_value.handle_client_request.assert_called()
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@mock.patch('proxy.http.proxy.TcpServerConnection')
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def test_proxy_plugin_before_upstream_connection_can_teardown(
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self,
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mock_server_conn: mock.Mock) -> None:
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self.plugin.return_value.before_upstream_connection.side_effect = HttpProtocolException()
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self._conn.recv.return_value = build_http_request(
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b'GET', b'http://upstream.host/not-found.html',
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headers={
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b'Host': b'upstream.host'
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})
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self.mock_selector.return_value.select.side_effect = [
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[(selectors.SelectorKey(
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fileobj=self._conn,
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fd=self._conn.fileno,
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events=selectors.EVENT_READ,
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data=None), selectors.EVENT_READ)], ]
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self.protocol_handler.run_once()
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self.plugin.return_value.before_upstream_connection.assert_called()
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mock_server_conn.assert_not_called()
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