ssh-audit/test/conftest.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import io
import sys
import socket
import pytest
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if sys.version_info[0] == 2:
import StringIO # pylint: disable=import-error
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StringIO = StringIO.StringIO
else:
StringIO = io.StringIO
@pytest.fixture(scope='module')
def ssh_audit():
__rdir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..')
sys.path.append(os.path.abspath(__rdir))
return __import__('ssh-audit')
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# pylint: disable=attribute-defined-outside-init
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class _OutputSpy(list):
def begin(self):
self.__out = StringIO()
self.__old_stdout = sys.stdout
sys.stdout = self.__out
def flush(self):
lines = self.__out.getvalue().splitlines()
sys.stdout = self.__old_stdout
self.__out = None
return lines
@pytest.fixture(scope='module')
def output_spy():
return _OutputSpy()
class _VirtualSocket(object):
def __init__(self):
self.sock_address = ('127.0.0.1', 0)
self.peer_address = None
self._connected = False
self.timeout = -1.0
self.rdata = []
self.sdata = []
self.errors = {}
def _check_err(self, method):
method_error = self.errors.get(method)
if method_error:
raise method_error
def connect(self, address):
return self._connect(address, False)
def _connect(self, address, ret=True):
self.peer_address = address
self._connected = True
self._check_err('connect')
return self if ret else None
def settimeout(self, timeout):
self.timeout = timeout
def gettimeout(self):
return self.timeout
def getpeername(self):
if self.peer_address is None or not self._connected:
raise socket.error(57, 'Socket is not connected')
return self.peer_address
def getsockname(self):
return self.sock_address
def bind(self, address):
self.sock_address = address
def listen(self, backlog):
pass
def accept(self):
# pylint: disable=protected-access
conn = _VirtualSocket()
conn.sock_address = self.sock_address
conn.peer_address = ('127.0.0.1', 0)
conn._connected = True
return conn, conn.peer_address
def recv(self, bufsize, flags=0):
# pylint: disable=unused-argument
if not self._connected:
raise socket.error(54, 'Connection reset by peer')
if not len(self.rdata) > 0:
return b''
data = self.rdata.pop(0)
if isinstance(data, Exception):
raise data
return data
def send(self, data):
if self.peer_address is None or not self._connected:
raise socket.error(32, 'Broken pipe')
self._check_err('send')
self.sdata.append(data)
@pytest.fixture()
def virtual_socket(monkeypatch):
vsocket = _VirtualSocket()
# pylint: disable=unused-argument
def _socket(family=socket.AF_INET,
socktype=socket.SOCK_STREAM,
proto=0,
fileno=None):
return vsocket
def _cc(address, timeout=0, source_address=None):
# pylint: disable=protected-access
return vsocket._connect(address, True)
monkeypatch.setattr(socket, 'create_connection', _cc)
monkeypatch.setattr(socket, 'socket', _socket)
return vsocket