854 lines
26 KiB
Python
854 lines
26 KiB
Python
# #!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# <HTTPretty - HTTP client mock for Python>
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# Copyright (C) <2011-2013> Gabriel Falcão <gabriel@nacaolivre.org>
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation
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# files (the "Software"), to deal in the Software without
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# restriction, including without limitation the rights to use,
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# copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following
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# conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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from __future__ import unicode_literals
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import re
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import inspect
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import socket
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import functools
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import itertools
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import warnings
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import logging
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import traceback
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import json
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from .compat import (
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PY3,
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StringIO,
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text_type,
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BaseClass,
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BaseHTTPRequestHandler,
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quote,
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quote_plus,
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urlunsplit,
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urlsplit,
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parse_qs,
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ClassTypes,
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basestring
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)
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from .http import (
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STATUSES,
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HttpBaseClass,
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parse_requestline,
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last_requestline,
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)
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from .utils import (
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utf8,
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decode_utf8,
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)
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from .errors import HTTPrettyError
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from datetime import datetime
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from datetime import timedelta
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from errno import EAGAIN
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old_socket = socket.socket
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old_create_connection = socket.create_connection
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old_gethostbyname = socket.gethostbyname
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old_gethostname = socket.gethostname
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old_getaddrinfo = socket.getaddrinfo
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old_socksocket = None
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old_ssl_wrap_socket = None
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old_sslwrap_simple = None
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old_sslsocket = None
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if PY3:
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basestring = (bytes, str)
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try:
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import socks
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old_socksocket = socks.socksocket
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except ImportError:
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socks = None
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try:
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import ssl
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old_ssl_wrap_socket = ssl.wrap_socket
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if not PY3:
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old_sslwrap_simple = ssl.sslwrap_simple
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old_sslsocket = ssl.SSLSocket
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except ImportError:
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ssl = None
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POTENTIAL_HTTP_PORTS = set([80, 443])
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class HTTPrettyRequest(BaseHTTPRequestHandler, BaseClass):
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def __init__(self, headers, body=''):
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self.body = utf8(body)
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self.raw_headers = utf8(headers)
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self.rfile = StringIO(b'\r\n\r\n'.join([utf8(headers.strip()), self.body]))
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self.wfile = StringIO()
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self.raw_requestline = self.rfile.readline()
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self.error_code = self.error_message = None
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self.parse_request()
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self.method = self.command
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self.querystring = parse_qs(self.path.split("?", 1)[-1])
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self.parsed_body = self.__parse_body(self.body)
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def __str__(self):
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return 'HTTPrettyRequest(headers={0}, body="{1}")'.format(
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self.headers,
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self.body,
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)
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def __parse_body(self, body):
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""" Attempt to parse the post based on the content-type passed. Return the regular body if not """
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return_value = body.decode('utf-8')
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try:
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for header in self.headers.keys():
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if header.lower() == 'content-type':
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if self.headers['content-type'].lower() == 'application/json':
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return_value = json.loads(return_value)
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elif self.headers['content-type'].lower() == 'application/x-www-form-urlencoded':
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return_value = parse_qs(return_value)
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finally:
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return return_value
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class EmptyRequestHeaders(dict):
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pass
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class HTTPrettyRequestEmpty(object):
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body = ''
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headers = EmptyRequestHeaders()
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class FakeSockFile(StringIO):
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pass
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class FakeSSLSocket(object):
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def __init__(self, sock, *args, **kw):
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self._httpretty_sock = sock
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def __getattr__(self, attr):
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if attr == '_httpretty_sock':
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return super(FakeSSLSocket, self).__getattribute__(attr)
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return getattr(self._httpretty_sock, attr)
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class fakesock(object):
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class socket(object):
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_entry = None
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debuglevel = 0
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_sent_data = []
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def __init__(self, family=socket.AF_INET, type=socket.SOCK_STREAM,
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protocol=0):
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self.setsockopt(family, type, protocol)
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self.truesock = old_socket(family, type, protocol)
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self._closed = True
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self.fd = FakeSockFile()
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self.timeout = socket._GLOBAL_DEFAULT_TIMEOUT
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self._sock = self
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self.is_http = False
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def getpeercert(self, *a, **kw):
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now = datetime.now()
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shift = now + timedelta(days=30 * 12)
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return {
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'notAfter': shift.strftime('%b %d %H:%M:%S GMT'),
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'subjectAltName': (
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('DNS', '*%s' % self._host),
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('DNS', self._host),
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('DNS', '*'),
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),
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'subject': (
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(
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('organizationName', '*.%s' % self._host),
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),
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(
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('organizationalUnitName',
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'Domain Control Validated'),
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),
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(
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('commonName', '*.%s' % self._host),
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),
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),
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}
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def ssl(self, sock, *args, **kw):
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return sock
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def setsockopt(self, family, type, protocol):
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self.family = family
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self.protocol = protocol
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self.type = type
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def connect(self, address):
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self._address = (self._host, self._port) = address
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self._closed = False
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self.is_http = self._port in POTENTIAL_HTTP_PORTS
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if not self.is_http:
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self.truesock.connect(self._address)
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def close(self):
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if not self._closed:
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self.truesock.close()
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self._closed = True
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def makefile(self, mode='r', bufsize=-1):
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self._mode = mode
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self._bufsize = bufsize
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if self._entry:
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self._entry.fill_filekind(self.fd)
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return self.fd
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def _true_sendall(self, data, *args, **kw):
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if self.is_http:
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self.truesock.connect(self._address)
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self.truesock.sendall(data, *args, **kw)
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_d = True
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while _d:
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try:
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_d = self.truesock.recv(16)
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self.truesock.settimeout(0.0)
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self.fd.write(_d)
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except socket.error as e:
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if e.errno == EAGAIN:
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continue
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break
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self.fd.seek(0)
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def sendall(self, data, *args, **kw):
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self._sent_data.append(data)
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self.fd.seek(0)
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try:
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requestline, _ = data.split(b'\r\n', 1)
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method, path, version = parse_requestline(requestline)
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is_parsing_headers = True
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except ValueError:
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is_parsing_headers = False
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if not self._entry:
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# If the previous request wasn't mocked, don't mock the subsequent sending of data
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return self._true_sendall(data)
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if not is_parsing_headers:
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if len(self._sent_data) > 1:
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headers = utf8(last_requestline(self._sent_data))
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body = utf8(self._sent_data[-1])
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last_entry = self._entry
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last_entry.request.body = body
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request_headers = dict(last_entry.request.headers)
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# If we are receiving more data and the last entry to be processed
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# was a callback responsed, send the new data to the callback
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if last_entry.body_is_callable:
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last_entry.callable_body(last_entry.request, last_entry.info.full_url(), request_headers)
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try:
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return httpretty.historify_request(headers, body, False)
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except Exception as e:
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logging.error(traceback.format_exc(e))
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return self._true_sendall(data, *args, **kw)
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# path might come with
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s = urlsplit(path)
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POTENTIAL_HTTP_PORTS.add(int(s.port or 80))
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headers, body = map(utf8, data.split(b'\r\n\r\n', 1))
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request = httpretty.historify_request(headers, body)
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info = URIInfo(hostname=self._host, port=self._port,
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path=s.path,
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query=s.query,
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last_request=request)
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entries = []
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for matcher, value in httpretty._entries.items():
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if matcher.matches(info):
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entries = value
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break
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if not entries:
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self._entry = None
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self._true_sendall(data)
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return
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self._entry = matcher.get_next_entry(method)
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# Attach more info to the entry
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# So the callback can be more clever about what to do
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# This does also fix the case where the callback
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# would be handed a compiled regex as uri instead of the
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# real uri
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self._entry.info = info
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self._entry.request = request
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def debug(self, func, *a, **kw):
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if self.is_http:
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frame = inspect.stack()[0][0]
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lines = map(utf8, traceback.format_stack(frame))
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message = [
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"HTTPretty intercepted and unexpected socket method call.",
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("Please open an issue at "
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"'https://github.com/gabrielfalcao/HTTPretty/issues'"),
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"And paste the following traceback:\n",
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"".join(decode_utf8(lines)),
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]
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raise RuntimeError("\n".join(message))
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return func(*a, **kw)
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def settimeout(self, new_timeout):
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self.timeout = new_timeout
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def send(self, *args, **kwargs):
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return self.debug(self.truesock.send, *args, **kwargs)
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def sendto(self, *args, **kwargs):
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return self.debug(self.truesock.sendto, *args, **kwargs)
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def recvfrom_into(self, *args, **kwargs):
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return self.debug(self.truesock.recvfrom_into, *args, **kwargs)
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def recv_into(self, *args, **kwargs):
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return self.debug(self.truesock.recv_into, *args, **kwargs)
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def recvfrom(self, *args, **kwargs):
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return self.debug(self.truesock.recvfrom, *args, **kwargs)
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def recv(self, *args, **kwargs):
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return self.debug(self.truesock.recv, *args, **kwargs)
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def __getattr__(self, name):
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return getattr(self.truesock, name)
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def fake_wrap_socket(s, *args, **kw):
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return s
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def create_fake_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None):
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s = fakesock.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)
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if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
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s.settimeout(timeout)
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if source_address:
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s.bind(source_address)
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s.connect(address)
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return s
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def fake_gethostbyname(host):
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return '127.0.0.1'
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def fake_gethostname():
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return 'localhost'
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def fake_getaddrinfo(
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host, port, family=None, socktype=None, proto=None, flags=None):
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return [(2, 1, 6, '', (host, port))]
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class Entry(BaseClass):
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def __init__(self, method, uri, body,
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adding_headers=None,
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forcing_headers=None,
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status=200,
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streaming=False,
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**headers):
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self.method = method
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self.uri = uri
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self.info = None
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self.request = None
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self.body_is_callable = False
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if hasattr(body, "__call__"):
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self.callable_body = body
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self.body = None
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self.body_is_callable = True
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elif isinstance(body, text_type):
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self.body = utf8(body)
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else:
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self.body = body
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self.streaming = streaming
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if not streaming and not self.body_is_callable:
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self.body_length = len(self.body or '')
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else:
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self.body_length = 0
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self.adding_headers = adding_headers or {}
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self.forcing_headers = forcing_headers or {}
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self.status = int(status)
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for k, v in headers.items():
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name = "-".join(k.split("_")).title()
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self.adding_headers[name] = v
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self.validate()
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def validate(self):
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content_length_keys = 'Content-Length', 'content-length'
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for key in content_length_keys:
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got = self.adding_headers.get(
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key, self.forcing_headers.get(key, None))
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if got is None:
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continue
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try:
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igot = int(got)
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except ValueError:
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warnings.warn(
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'HTTPretty got to register the Content-Length header ' \
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'with "%r" which is not a number' % got,
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)
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if igot > self.body_length:
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raise HTTPrettyError(
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'HTTPretty got inconsistent parameters. The header ' \
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'Content-Length you registered expects size "%d" but ' \
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'the body you registered for that has actually length ' \
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'"%d".' % (
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igot, self.body_length,
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)
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)
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def __str__(self):
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return r'<Entry %s %s getting %d>' % (
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self.method, self.uri, self.status)
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def normalize_headers(self, headers):
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new = {}
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for k in headers:
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new_k = '-'.join([s.lower() for s in k.split('-')])
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new[new_k] = headers[k]
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return new
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def fill_filekind(self, fk):
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now = datetime.utcnow()
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headers = {
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'status': self.status,
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'date': now.strftime('%a, %d %b %Y %H:%M:%S GMT'),
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'server': 'Python/HTTPretty',
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'connection': 'close',
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}
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if self.forcing_headers:
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headers = self.forcing_headers
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if self.adding_headers:
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headers.update(self.normalize_headers(self.adding_headers))
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headers = self.normalize_headers(headers)
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status = headers.get('status', self.status)
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if self.body_is_callable:
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status, headers, self.body = self.callable_body(self.request,self.info.full_url(),headers)
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headers.update({'content-length':len(self.body)})
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string_list = [
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'HTTP/1.1 %d %s' % (status, STATUSES[status]),
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]
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if 'date' in headers:
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string_list.append('date: %s' % headers.pop('date'))
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if not self.forcing_headers:
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content_type = headers.pop('content-type',
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'text/plain; charset=utf-8')
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content_length = headers.pop('content-length', self.body_length)
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string_list.append('content-type: %s' % content_type)
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if not self.streaming:
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string_list.append('content-length: %s' % content_length)
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string_list.append('server: %s' % headers.pop('server'))
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for k, v in headers.items():
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string_list.append(
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'{0}: {1}'.format(k, v),
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)
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for item in string_list:
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fk.write(utf8(item) + b'\n')
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fk.write(b'\r\n')
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if self.streaming:
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self.body, body = itertools.tee(self.body)
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for chunk in body:
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fk.write(utf8(chunk))
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else:
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fk.write(utf8(self.body))
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fk.seek(0)
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def url_fix(s, charset='utf-8'):
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scheme, netloc, path, querystring, fragment = urlsplit(s)
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path = quote(path, b'/%')
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querystring = quote_plus(querystring, b':&=')
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return urlunsplit((scheme, netloc, path, querystring, fragment))
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class URIInfo(BaseClass):
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def __init__(self,
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username='',
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password='',
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hostname='',
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port=80,
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path='/',
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query='',
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fragment='',
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scheme='',
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last_request=None):
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self.username = username or ''
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self.password = password or ''
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self.hostname = hostname or ''
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if port:
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port = int(port)
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elif scheme == 'https':
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port = 443
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self.port = port or 80
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self.path = path or ''
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self.query = query or ''
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self.scheme = scheme or (self.port is 80 and "http" or "https")
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self.fragment = fragment or ''
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self.last_request = last_request
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|
|
def __str__(self):
|
|
attrs = (
|
|
'username',
|
|
'password',
|
|
'hostname',
|
|
'port',
|
|
'path',
|
|
)
|
|
fmt = ", ".join(['%s="%s"' % (k, getattr(self, k, '')) for k in attrs])
|
|
return r'<httpretty.URIInfo(%s)>' % fmt
|
|
|
|
def __hash__(self):
|
|
return hash(text_type(self))
|
|
|
|
def __eq__(self, other):
|
|
self_tuple = (
|
|
self.port,
|
|
decode_utf8(self.hostname.lower()),
|
|
url_fix(decode_utf8(self.path)),
|
|
)
|
|
other_tuple = (
|
|
other.port,
|
|
decode_utf8(other.hostname.lower()),
|
|
url_fix(decode_utf8(other.path)),
|
|
)
|
|
return self_tuple == other_tuple
|
|
|
|
def full_url(self, use_querystring=True):
|
|
credentials = ""
|
|
if self.password:
|
|
credentials = "{0}:{1}@".format(
|
|
self.username, self.password)
|
|
|
|
query = ""
|
|
if use_querystring and self.query:
|
|
query = "?{0}".format(decode_utf8(self.query))
|
|
|
|
result = "{scheme}://{credentials}{host}{path}{query}".format(
|
|
scheme=self.scheme,
|
|
credentials=credentials,
|
|
host=decode_utf8(self.hostname),
|
|
path=decode_utf8(self.path),
|
|
query=query
|
|
)
|
|
return result
|
|
|
|
@classmethod
|
|
def from_uri(cls, uri, entry):
|
|
result = urlsplit(uri)
|
|
POTENTIAL_HTTP_PORTS.add(int(result.port or 80))
|
|
return cls(result.username,
|
|
result.password,
|
|
result.hostname,
|
|
result.port,
|
|
result.path,
|
|
result.query,
|
|
result.fragment,
|
|
result.scheme,
|
|
entry)
|
|
|
|
|
|
class URIMatcher(object):
|
|
regex = None
|
|
info = None
|
|
|
|
def __init__(self, uri, entries, match_querystring=False):
|
|
self._match_querystring = match_querystring
|
|
if type(uri).__name__ == 'SRE_Pattern':
|
|
self.regex = uri
|
|
else:
|
|
self.info = URIInfo.from_uri(uri, entries)
|
|
|
|
self.entries = entries
|
|
|
|
#hash of current_entry pointers, per method.
|
|
self.current_entries = {}
|
|
|
|
def matches(self, info):
|
|
if self.info:
|
|
return self.info == info
|
|
else:
|
|
return self.regex.search(info.full_url(
|
|
use_querystring=self._match_querystring))
|
|
|
|
def __str__(self):
|
|
wrap = 'URLMatcher({0})'
|
|
if self.info:
|
|
return wrap.format(text_type(self.info))
|
|
else:
|
|
return wrap.format(self.regex.pattern)
|
|
|
|
def get_next_entry(self, method='GET'):
|
|
"""Cycle through available responses, but only once.
|
|
Any subsequent requests will receive the last response"""
|
|
|
|
if method not in self.current_entries:
|
|
self.current_entries[method] = 0
|
|
|
|
#restrict selection to entries that match the requested method
|
|
entries_for_method = [e for e in self.entries if e.method == method]
|
|
|
|
if self.current_entries[method] >= len(entries_for_method):
|
|
self.current_entries[method] = -1
|
|
|
|
if not self.entries or not entries_for_method:
|
|
raise ValueError('I have no entries for method %s: %s'
|
|
% (method, self))
|
|
|
|
entry = entries_for_method[self.current_entries[method]]
|
|
if self.current_entries[method] != -1:
|
|
self.current_entries[method] += 1
|
|
return entry
|
|
|
|
def __hash__(self):
|
|
return hash(text_type(self))
|
|
|
|
def __eq__(self, other):
|
|
return text_type(self) == text_type(other)
|
|
|
|
|
|
class httpretty(HttpBaseClass):
|
|
"""The URI registration class"""
|
|
_entries = {}
|
|
latest_requests = []
|
|
|
|
last_request = HTTPrettyRequestEmpty()
|
|
_is_enabled = False
|
|
|
|
@classmethod
|
|
def reset(cls):
|
|
cls._entries.clear()
|
|
cls.latest_requests = []
|
|
cls.last_request = HTTPrettyRequestEmpty()
|
|
|
|
@classmethod
|
|
def historify_request(cls, headers, body='', append=True):
|
|
request = HTTPrettyRequest(headers, body)
|
|
cls.last_request = request
|
|
if append:
|
|
cls.latest_requests.append(request)
|
|
else:
|
|
cls.latest_requests[-1] = request
|
|
return request
|
|
|
|
@classmethod
|
|
def register_uri(cls, method, uri, body='HTTPretty :)',
|
|
adding_headers=None,
|
|
forcing_headers=None,
|
|
status=200,
|
|
responses=None, match_querystring=False,
|
|
**headers):
|
|
|
|
uri_is_string = isinstance(uri, basestring)
|
|
|
|
if uri_is_string and re.search(r'^\w+://[^/]+[.]\w{2,}$', uri):
|
|
uri += '/'
|
|
|
|
if isinstance(responses, list) and len(responses) > 0:
|
|
for response in responses:
|
|
response.uri = uri
|
|
response.method = method
|
|
entries_for_this_uri = responses
|
|
else:
|
|
headers[str('body')] = body
|
|
headers[str('adding_headers')] = adding_headers
|
|
headers[str('forcing_headers')] = forcing_headers
|
|
headers[str('status')] = status
|
|
|
|
entries_for_this_uri = [
|
|
cls.Response(method=method, uri=uri, **headers),
|
|
]
|
|
|
|
matcher = URIMatcher(uri, entries_for_this_uri,
|
|
match_querystring)
|
|
if matcher in cls._entries:
|
|
matcher.entries.extend(cls._entries[matcher])
|
|
del cls._entries[matcher]
|
|
|
|
cls._entries[matcher] = entries_for_this_uri
|
|
|
|
def __str__(self):
|
|
return '<HTTPretty with %d URI entries>' % len(self._entries)
|
|
|
|
@classmethod
|
|
def Response(cls, body, method=None, uri=None, adding_headers=None, forcing_headers=None,
|
|
status=200, streaming=False, **headers):
|
|
|
|
headers[str('body')] = body
|
|
headers[str('adding_headers')] = adding_headers
|
|
headers[str('forcing_headers')] = forcing_headers
|
|
headers[str('status')] = int(status)
|
|
headers[str('streaming')] = streaming
|
|
return Entry(method, uri, **headers)
|
|
|
|
@classmethod
|
|
def disable(cls):
|
|
cls._is_enabled = False
|
|
socket.socket = old_socket
|
|
socket.SocketType = old_socket
|
|
socket._socketobject = old_socket
|
|
|
|
socket.create_connection = old_create_connection
|
|
socket.gethostname = old_gethostname
|
|
socket.gethostbyname = old_gethostbyname
|
|
socket.getaddrinfo = old_getaddrinfo
|
|
|
|
socket.__dict__['socket'] = old_socket
|
|
socket.__dict__['_socketobject'] = old_socket
|
|
socket.__dict__['SocketType'] = old_socket
|
|
|
|
socket.__dict__['create_connection'] = old_create_connection
|
|
socket.__dict__['gethostname'] = old_gethostname
|
|
socket.__dict__['gethostbyname'] = old_gethostbyname
|
|
socket.__dict__['getaddrinfo'] = old_getaddrinfo
|
|
|
|
if socks:
|
|
socks.socksocket = old_socksocket
|
|
socks.__dict__['socksocket'] = old_socksocket
|
|
|
|
if ssl:
|
|
ssl.wrap_socket = old_ssl_wrap_socket
|
|
ssl.SSLSocket = old_sslsocket
|
|
ssl.__dict__['wrap_socket'] = old_ssl_wrap_socket
|
|
ssl.__dict__['SSLSocket'] = old_sslsocket
|
|
|
|
if not PY3:
|
|
ssl.sslwrap_simple = old_sslwrap_simple
|
|
ssl.__dict__['sslwrap_simple'] = old_sslwrap_simple
|
|
|
|
@classmethod
|
|
def is_enabled(cls):
|
|
return cls._is_enabled
|
|
|
|
@classmethod
|
|
def enable(cls):
|
|
cls._is_enabled = True
|
|
socket.socket = fakesock.socket
|
|
socket._socketobject = fakesock.socket
|
|
socket.SocketType = fakesock.socket
|
|
|
|
socket.create_connection = create_fake_connection
|
|
socket.gethostname = fake_gethostname
|
|
socket.gethostbyname = fake_gethostbyname
|
|
socket.getaddrinfo = fake_getaddrinfo
|
|
|
|
socket.__dict__['socket'] = fakesock.socket
|
|
socket.__dict__['_socketobject'] = fakesock.socket
|
|
socket.__dict__['SocketType'] = fakesock.socket
|
|
|
|
socket.__dict__['create_connection'] = create_fake_connection
|
|
socket.__dict__['gethostname'] = fake_gethostname
|
|
socket.__dict__['gethostbyname'] = fake_gethostbyname
|
|
socket.__dict__['getaddrinfo'] = fake_getaddrinfo
|
|
|
|
if socks:
|
|
socks.socksocket = fakesock.socket
|
|
socks.__dict__['socksocket'] = fakesock.socket
|
|
|
|
if ssl:
|
|
ssl.wrap_socket = fake_wrap_socket
|
|
ssl.SSLSocket = FakeSSLSocket
|
|
|
|
ssl.__dict__['wrap_socket'] = fake_wrap_socket
|
|
ssl.__dict__['SSLSocket'] = FakeSSLSocket
|
|
|
|
if not PY3:
|
|
ssl.sslwrap_simple = fake_wrap_socket
|
|
ssl.__dict__['sslwrap_simple'] = fake_wrap_socket
|
|
|
|
|
|
def httprettified(test):
|
|
"A decorator tests that use HTTPretty"
|
|
def decorate_class(klass):
|
|
for attr in dir(klass):
|
|
if not attr.startswith('test_'):
|
|
continue
|
|
|
|
attr_value = getattr(klass, attr)
|
|
if not hasattr(attr_value, "__call__"):
|
|
continue
|
|
|
|
setattr(klass, attr, decorate_callable(attr_value))
|
|
return klass
|
|
|
|
def decorate_callable(test):
|
|
@functools.wraps(test)
|
|
def wrapper(*args, **kw):
|
|
httpretty.reset()
|
|
httpretty.enable()
|
|
try:
|
|
return test(*args, **kw)
|
|
finally:
|
|
httpretty.disable()
|
|
return wrapper
|
|
|
|
if isinstance(test, ClassTypes):
|
|
return decorate_class(test)
|
|
return decorate_callable(test)
|