Source code for httpretty.core

# <HTTPretty - HTTP client mock for Python>
# Copyright (C) <2011-2021> Gabriel Falc√£o <gabriel@nacaolivre.org>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

import io
import time
import codecs
import contextlib
import functools
import hashlib
import inspect
import logging
import itertools
import json
import types
import re
import socket
import tempfile
import threading
import traceback
import warnings

from functools import partial
from typing import Callable

from .compat import (
    BaseClass,
    BaseHTTPRequestHandler,
    quote,
    quote_plus,
    urlencode,
    encode_obj,
    urlunsplit,
    urlsplit,
    parse_qs,
    unquote_utf8,
)
from .http import (
    STATUSES,
    HttpBaseClass,
    parse_requestline,
    last_requestline,
)

from .utils import (
    utf8,
    decode_utf8,
)

from .errors import HTTPrettyError, UnmockedError

from datetime import datetime
from datetime import timedelta
from errno import EAGAIN

class __internals__:
    thread_timeout = 0.1  # https://github.com/gabrielfalcao/HTTPretty/issues/430
    temp_files = []
    threads = []

    @classmethod
    def cleanup_sockets(cls):
        cls.cleanup_temp_files()
        cls.cleanup_threads()

    @classmethod
    def cleanup_threads(cls):
        for t in cls.threads:
            t.join(cls.thread_timeout)
            if t.is_alive():
                raise socket.timeout(cls.thread_timeout)

    @classmethod
    def create_thread(cls, *args, **kwargs):
        return threading.Thread(*args, **kwargs)

    @classmethod
    def cleanup_temp_files(cls):
        for fd in cls.temp_files[:]:
            try:
                fd.close()
            except Exception as e:
                logger.debug('error closing file {}: {}'.format(fd, e))
            cls.temp_files.remove(fd)

    @classmethod
    def create_temp_file(cls):
        fd = tempfile.TemporaryFile()
        cls.temp_files.append(fd)
        return fd

[docs]def set_default_thread_timeout(timeout): """sets the default thread timeout for HTTPretty threads :param timeout: int """ __internals__.thread_timeout = timeout
[docs]def get_default_thread_timeout(): """sets the default thread timeout for HTTPretty threads :returns: int """ return __internals__.thread_timeout
SOCKET_GLOBAL_DEFAULT_TIMEOUT = socket._GLOBAL_DEFAULT_TIMEOUT old_socket = socket.socket old_socketpair = getattr(socket, 'socketpair', None) old_SocketType = socket.SocketType old_create_connection = socket.create_connection old_gethostbyname = socket.gethostbyname old_gethostname = socket.gethostname old_getaddrinfo = socket.getaddrinfo old_socksocket = None old_ssl_wrap_socket = None old_sslwrap_simple = None old_sslsocket = None old_sslcontext_wrap_socket = None old_sslcontext = None MULTILINE_ANY_REGEX = re.compile(r'.*', re.M) hostname_re = re.compile(r'\^?(?:https?://)?[^:/]*[:/]?') logger = logging.getLogger(__name__) try: # pragma: no cover import socks old_socksocket = socks.socksocket except ImportError: socks = None try: # pragma: no cover import ssl old_sslcontext_class = ssl.SSLContext old_sslcontext = ssl.create_default_context() old_ssl_wrap_socket = old_sslcontext.wrap_socket try: old_sslcontext_wrap_socket = ssl.SSLContext.wrap_socket except AttributeError: pass old_sslsocket = ssl.SSLSocket except ImportError: # pragma: no cover ssl = None try: import _ssl except ImportError: _ssl = None # used to handle error caused by ndg-httpsclient pyopenssl_overrides_inject = [] pyopenssl_overrides_extract = [] try: from requests.packages.urllib3.contrib.pyopenssl import inject_into_urllib3, extract_from_urllib3 pyopenssl_overrides_extract.append(extract_from_urllib) pyopenssl_overrides_inject.append(inject_from_urllib) except Exception: pass try: from urllib3.contrib.pyopenssl import extract_from_urllib3, inject_into_urllib3 pyopenssl_overrides_extract.append(extract_from_urllib) pyopenssl_overrides_inject.append(inject_from_urllib) except Exception: pass try: import requests.packages.urllib3.connection as requests_urllib3_connection old_requests_ssl_wrap_socket = requests_urllib3_connection.ssl_wrap_socket except ImportError: requests_urllib3_connection = None old_requests_ssl_wrap_socket = None try: import eventlet import eventlet.green except ImportError: eventlet = None DEFAULT_HTTP_PORTS = frozenset([80]) POTENTIAL_HTTP_PORTS = set(DEFAULT_HTTP_PORTS) DEFAULT_HTTPS_PORTS = frozenset([443]) POTENTIAL_HTTPS_PORTS = set(DEFAULT_HTTPS_PORTS) def FALLBACK_FUNCTION(x): return x
[docs]class HTTPrettyRequest(BaseHTTPRequestHandler, BaseClass): r"""Represents a HTTP request. It takes a valid multi-line, ``\r\n`` separated string with HTTP headers and parse them out using the internal `parse_request` method. It also replaces the `rfile` and `wfile` attributes with :py:class:`io.BytesIO` instances so that we guarantee that it won't make any I/O, neither for writing nor reading. It has some convenience attributes: ``headers`` -> a mimetype object that can be cast into a dictionary, contains all the request headers ``protocol`` -> the protocol of this host, inferred from the port of the underlying fake TCP socket. ``host`` -> the hostname of this request. ``url`` -> the full url of this request. ``path`` -> the path of the request. ``method`` -> the HTTP method used in this request. ``querystring`` -> a dictionary containing lists with the attributes. Please notice that if you need a single value from a query string you will need to get it manually like: ``body`` -> the request body as a string. ``parsed_body`` -> the request body parsed by ``parse_request_body``. .. testcode:: >>> request.querystring {'name': ['Gabriel Falcao']} >>> print request.querystring['name'][0] """ def __init__(self, headers, body='', sock=None, path_encoding = 'iso-8859-1'): # first of all, lets make sure that if headers or body are # unicode strings, it must be converted into a utf-8 encoded # byte string self.created_at = time.time() self.raw_headers = utf8(headers.strip()) self._body = utf8(body) self.connection = sock # Now let's concatenate the headers with the body, and create # `rfile` based on it self.rfile = io.BytesIO(b'\r\n\r\n'.join([self.raw_headers, self.body])) # Creating `wfile` as an empty BytesIO, just to avoid any # real I/O calls self.wfile = io.BytesIO() # parsing the request line preemptively self.raw_requestline = self.rfile.readline() # initiating the error attributes with None self.error_code = None self.error_message = None # Parse the request based on the attributes above if not self.parse_request(): return # Now 2 convenient attributes for the HTTPretty API: # - `path` # - `querystring` holds a dictionary with the parsed query string # - `parsed_body` a string try: self.path = self.path.encode(path_encoding) except UnicodeDecodeError: pass self.path = decode_utf8(self.path) qstring = self.path.split("?", 1)[-1] self.querystring = self.parse_querystring(qstring) # And the body will be attempted to be parsed as # `application/json` or `application/x-www-form-urlencoded` """a dictionary containing parsed request body or None if HTTPrettyRequest doesn't know how to parse it. It currently supports parsing body data that was sent under the ``content`-type` headers values: ``application/json`` or ``application/x-www-form-urlencoded`` """ self.parsed_body = self.parse_request_body(self._body) @property def method(self): """the HTTP method used in this request""" return self.command @property def protocol(self): """the protocol used in this request""" proto = '' if not self.connection: return '' elif self.connection.is_http: proto = 'http' if self.connection.is_secure: proto = 'https' return proto @property def body(self): return self._body @body.setter def body(self, value): self._body = utf8(value) # And the body will be attempted to be parsed as # `application/json` or `application/x-www-form-urlencoded` self.parsed_body = self.parse_request_body(self._body) def __nonzero__(self): return bool(self.body) or bool(self.raw_headers) @property def url(self): """the full url of this recorded request""" return "{}://{}{}".format(self.protocol, self.host, self.path) @property def host(self): return self.headers.get('Host') or '<unknown>' def __str__(self): tmpl = '<HTTPrettyRequest("{}", "{}", headers={}, body={})>' return tmpl.format( self.method, self.url, dict(self.headers), len(self.body), )
[docs] def parse_querystring(self, qs): """parses an UTF-8 encoded query string into a dict of string lists :param qs: a querystring :returns: a dict of lists """ expanded = unquote_utf8(qs) parsed = parse_qs(expanded) result = {} for k in parsed: result[k] = list(map(decode_utf8, parsed[k])) return result
[docs] def parse_request_body(self, body): """Attempt to parse the post based on the content-type passed. Return the regular body if not :param body: string :returns: a python object such as dict or list in case the deserialization suceeded. Else returns the given param ``body`` """ PARSING_FUNCTIONS = { 'application/json': json.loads, 'text/json': json.loads, 'application/x-www-form-urlencoded': self.parse_querystring, } content_type = self.headers.get('content-type', '') do_parse = PARSING_FUNCTIONS.get(content_type, FALLBACK_FUNCTION) try: body = decode_utf8(body) return do_parse(body) except Exception: return body
[docs]class EmptyRequestHeaders(dict): """A dict subclass used as internal representation of empty request headers """
[docs]class HTTPrettyRequestEmpty(object): """Represents an empty :py:class:`~httpretty.core.HTTPrettyRequest` where all its properties are somehow empty or ``None`` """ method = None url = None body = '' headers = EmptyRequestHeaders()
[docs]class FakeSockFile(object): """Fake socket file descriptor. Under the hood all data is written in a temporary file, giving it a real file descriptor number. """ def __init__(self): self.file = None self._fileno = None self.__closed__ = None self.reset() def reset(self): if self.file: try: self.file.close() except Exception as e: logger.debug('error closing file {}: {}'.format(self.file, e)) self.file = None self.file = __internals__.create_temp_file() self._fileno = self.file.fileno() self.__closed__ = False def getvalue(self): if hasattr(self.file, 'getvalue'): value = self.file.getvalue() else: value = self.file.read() self.file.seek(0) return value def close(self): if self.__closed__: return self.__closed__ = True self.flush() def flush(self): try: super().flush() except Exception as e: logger.debug('error closing file {}: {}'.format(self, e)) try: self.file.flush() except Exception as e: logger.debug('error closing file {}: {}'.format(self.file, e)) def fileno(self): return self._fileno def __getattr__(self, name): try: return getattr(self.file, name) except AttributeError: return super().__getattribute__(name) def __del__(self): try: self.close() except (ValueError, AttributeError): pass # Adding the line below as a potential fix of github issue #426 # that seems to be a compatible the solution of #413 self.file.close()
[docs]class FakeSSLSocket(object): """Shorthand for :py:class:`~httpretty.core.fakesock` """ def __init__(self, sock, *args, **kw): self._httpretty_sock = sock def __getattr__(self, attr): return getattr(self._httpretty_sock, attr)
class FakeAddressTuple(object): def __init__(self, fakesocket): self.fakesocket = fakesocket def __getitem__(self, *args, **kw): raise AssertionError('socket {} is not connected'.format(self.fakesocket.truesock)) def fake_socketpair(*args, **kw): with restored_libs(): return old_socketpair(*args, **kw)
[docs]class fakesock(object): """ fake :py:mod:`socket` """
[docs] class socket(object): """drop-in replacement for :py:class:`socket.socket` """ _entry = None _read_buf = None debuglevel = 0 _sent_data = [] is_secure = False def __init__( self, family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0, fileno=None ): self.socket_family = family self.socket_type = type self.socket_proto = proto if httpretty.allow_net_connect: self.truesock = self.create_socket() else: self.truesock = None self._address = FakeAddressTuple(self) self.__truesock_is_connected__ = False self.fd = FakeSockFile() self.fd.socket = fileno or self self.timeout = socket._GLOBAL_DEFAULT_TIMEOUT self._sock = fileno or self self.is_http = False self._bufsize = 32 * 1024 def __repr__(self): return '{self.__class__.__module__}.{self.__class__.__name__}("{self.host}")'.format(**locals()) @property def host(self): return ":".join(map(str, self._address)) def create_socket(self, address=None): return old_socket(self.socket_family, self.socket_type, self.socket_proto) def getpeercert(self, *a, **kw): now = datetime.now() shift = now + timedelta(days=30 * 12) return { 'notAfter': shift.strftime('%b %d %H:%M:%S GMT'), 'subjectAltName': ( ('DNS', '*.%s' % self._host), ('DNS', self._host), ('DNS', '*'), ), 'subject': ( ( ('organizationName', '*.%s' % self._host), ), ( ('organizationalUnitName', 'Domain Control Validated'), ), ( ('commonName', '*.%s' % self._host), ), ), } def ssl(self, sock, *args, **kw): return sock def setsockopt(self, level, optname, value): if httpretty.allow_net_connect and not self.truesock: self.truesock = self.create_socket() elif not self.truesock: logger.debug('setsockopt(%s, %s, %s) failed', level, optname, value) return return self.truesock.setsockopt(level, optname, value) def connect(self, address): try: self._address = (self._host, self._port) = address except ValueError: # We get here when the address is just a string pointing to a # unix socket path/file # # See issue #206 self.is_http = False else: ports_to_check = ( POTENTIAL_HTTP_PORTS.union(POTENTIAL_HTTPS_PORTS)) self.is_http = self._port in ports_to_check self.is_secure = self._port in POTENTIAL_HTTPS_PORTS if not self.is_http: self.connect_truesock(address=address) elif self.truesock and not self.real_socket_is_connected(): # TODO: remove nested if matcher = httpretty.match_http_address(self._host, self._port) if matcher is None: self.connect_truesock(address=address) def bind(self, address): self._address = (self._host, self._port) = address if self.truesock: self.bind_truesock(address) def bind_truesock(self, address): if httpretty.allow_net_connect and not self.truesock: self.truesock = self.create_socket() elif not self.truesock: raise UnmockedError('Failed to socket.bind() because because a real socket was never created.', address=address) return self.truesock.bind(address) def connect_truesock(self, request=None, address=None): address = address or self._address if self.__truesock_is_connected__: return self.truesock if request: logger.warning('real call to socket.connect() for {request}'.format(**locals())) elif address: logger.warning('real call to socket.connect() for {address}'.format(**locals())) else: logger.warning('real call to socket.connect()') if httpretty.allow_net_connect and not self.truesock: self.truesock = self.create_socket(address) elif not self.truesock: raise UnmockedError('Failed to socket.connect() because because a real socket was never created.', request=request, address=address) undo_patch_socket() try: hostname = self._address[0] port = 80 if len(self._address) == 2: port = self._address[1] if port == 443 and old_sslsocket: self.truesock = old_ssl_wrap_socket(self.truesock, server_hostname=hostname) sock = self.truesock sock.connect(self._address) self.__truesock_is_connected__ = True self.truesock = sock finally: apply_patch_socket() return self.truesock def real_socket_is_connected(self): return self.__truesock_is_connected__ def fileno(self): if self.truesock: return self.truesock.fileno() return self.fd.fileno() def close(self): if self.truesock: self.truesock.close() self.truesock = None self.__truesock_is_connected__ = False
[docs] def makefile(self, mode='r', bufsize=-1): """Returns this fake socket's own tempfile buffer. If there is an entry associated with the socket, the file descriptor gets filled in with the entry data before being returned. """ self._mode = mode self._bufsize = bufsize if self._entry: t = __internals__.create_thread( target=self._entry.fill_filekind, args=(self.fd,) ) # execute body callback and send http response in a # thread, wait for thread to finish within the timeout # set via socket.settimeout() t.start() if self.timeout == SOCKET_GLOBAL_DEFAULT_TIMEOUT: timeout = get_default_thread_timeout() else: timeout = self.timeout # fake socket timeout error by checking if the thread # finished in time. t.join(timeout) if t.is_alive(): # For more info check issue https://github.com/gabrielfalcao/HTTPretty/issues/430 raise socket.timeout(timeout) return self.fd
[docs] def real_sendall(self, data, *args, **kw): """Sends data to the remote server. This method is called when HTTPretty identifies that someone is trying to send non-http data. The received bytes are written in this socket's tempfile buffer so that HTTPretty can return it accordingly when necessary. """ request = kw.pop('request', None) if request: bytecount = len(data) logger.warning('{self}.real_sendall({bytecount} bytes) to {request.url} via {request.method} at {request.created_at}'.format(**locals())) if httpretty.allow_net_connect and not self.truesock: self.connect_truesock(request=request) elif not self.truesock: raise UnmockedError(request=request) if not self.is_http: self.truesock.setblocking(1) return self.truesock.sendall(data, *args, **kw) sock = self.connect_truesock(request=request) sock.setblocking(1) sock.sendall(data, *args, **kw) should_continue = True while should_continue: try: received = sock.recv(self._bufsize) self.fd.write(received) should_continue = bool(received.strip()) except socket.error as e: if e.errno == EAGAIN: continue break self.fd.seek(0)
def sendall(self, data, *args, **kw): # if self.__truesock_is_connected__: # return self.truesock.sendall(data, *args, **kw) self._sent_data.append(data) self.fd = FakeSockFile() self.fd.socket = self if isinstance(data, str): data = data.encode('utf-8') elif not isinstance(data, bytes): logger.debug('cannot sendall({data!r})') data = bytes(data) try: requestline, _ = data.split(b'\r\n', 1) method, path, version = parse_requestline( decode_utf8(requestline)) is_parsing_headers = True except ValueError: path = '' is_parsing_headers = False if self._entry is None: # If the previous request wasn't mocked, don't # mock the subsequent sending of data return self.real_sendall(data, *args, **kw) else: method = self._entry.method path = self._entry.info.path self.fd.seek(0) if not is_parsing_headers: if len(self._sent_data) > 1: headers = utf8(last_requestline(self._sent_data)) meta = self._entry.request.headers body = utf8(self._sent_data[-1]) if meta.get('transfer-encoding', '') == 'chunked': if not body.isdigit() and (body != b'\r\n') and (body != b'0\r\n\r\n'): self._entry.request.body += body else: self._entry.request.body += body httpretty.historify_request(headers, body, sock=self, append=False) return if path[:2] == '//': path = '//' + path # path might come with s = urlsplit(path) POTENTIAL_HTTP_PORTS.add(int(s.port or 80)) parts = list(map(utf8, data.split(b'\r\n\r\n', 1))) if len(parts) == 2: headers, body = parts else: headers = '' body = data request = httpretty.historify_request(headers, body, sock=self) info = URIInfo( hostname=self._host, port=self._port, path=s.path, query=s.query, last_request=request ) matcher, entries = httpretty.match_uriinfo(info) if not entries: logger.debug('no entries matching {}'.format(request)) self._entry = None self._read_buf = None self.real_sendall(data, request=request) return self._entry = matcher.get_next_entry(method, info, request) def forward_and_trace(self, function_name, *a, **kw): if not self.truesock: raise UnmockedError('Failed to socket.{}() because because a real socket was never created.'.format(function_name)) callback = getattr(self.truesock, function_name) return callback(*a, **kw) def settimeout(self, new_timeout): self.timeout = new_timeout if not self.is_http: if self.truesock: self.truesock.settimeout(new_timeout) def send(self, data, *args, **kwargs): self.sendall(data, *args, **kwargs) return len(data) def sendto(self, *args, **kwargs): return self.forward_and_trace('sendto', *args, **kwargs) def recvfrom_into(self, *args, **kwargs): return self.forward_and_trace('recvfrom_into', *args, **kwargs) def recv_into(self, *args, **kwargs): return self.forward_and_trace('recv_into', *args, **kwargs) def recvfrom(self, *args, **kwargs): return self.forward_and_trace('recvfrom', *args, **kwargs) def recv(self, buffersize=0, *args, **kwargs): if not self._read_buf: self._read_buf = io.BytesIO() if self._entry: self._entry.fill_filekind(self._read_buf) if not self._read_buf: raise UnmockedError('socket cannot recv(): {!r}'.format(self)) return self._read_buf.read(buffersize) def __getattr__(self, name): if name in ('getsockopt', 'selected_alpn_protocol') and not self.truesock: self.truesock = self.create_socket() elif httpretty.allow_net_connect and not self.truesock: # can't call self.connect_truesock() here because we # don't know if user wants to execute server of client # calls (or can they?) self.truesock = self.create_socket() elif not self.truesock: # Special case for # `hasattr(sock, "version")` call added in urllib3>=1.26. if name == 'version': raise AttributeError( "HTTPretty synthesized this error to fix urllib3 compatibility " "(see issue https://github.com/gabrielfalcao/HTTPretty/issues/409). " "Please open an issue if this error causes further unexpected issues." ) raise UnmockedError('Failed to socket.{} because because a real socket does not exist'.format(name)) return getattr(self.truesock, name)
def with_socket_is_secure(sock, kw): sock.is_secure = True sock.kwargs = kw for k, v in kw.items(): setattr(sock, k, v) return sock
[docs]def fake_wrap_socket(orig_wrap_socket_fn, *args, **kw): """drop-in replacement for py:func:`ssl.wrap_socket` """ if 'sock' in kw: sock = kw['sock'] else: sock = args[0] server_hostname = kw.get('server_hostname') if server_hostname is not None: matcher = httpretty.match_https_hostname(server_hostname) if matcher is None: logger.debug('no requests registered for hostname: "{}"'.format(server_hostname)) return with_socket_is_secure(sock, kw) return with_socket_is_secure(sock, kw)
[docs]def create_fake_connection( address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None): """drop-in replacement for :py:func:`socket.create_connection`""" s = fakesock.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP) if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT: s.settimeout(timeout) if isinstance(source_address, tuple) and len(source_address) == 2: source_address[1] = int(source_address[1]) if source_address: s.bind(source_address) s.connect(address) return s
[docs]def fake_gethostbyname(host): """drop-in replacement for :py:func:`socket.gethostbyname`""" return '127.0.0.1'
[docs]def fake_gethostname(): """drop-in replacement for :py:func:`socket.gethostname`""" return 'localhost'
[docs]def fake_getaddrinfo( host, port, family=None, socktype=None, proto=None, flags=None): """drop-in replacement for :py:func:`socket.getaddrinfo`""" return [(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP, '', (host, port)), (socket.AF_INET6, socket.SOCK_STREAM, socket.IPPROTO_TCP, '', (host, port))]
[docs]class Entry(BaseClass): """Created by :py:meth:`~httpretty.core.httpretty.register_uri` and stored in memory as internal representation of a HTTP request/response definition. Args: method (str): One of ``httpretty.GET``, ``httpretty.PUT``, ``httpretty.POST``, ``httpretty.DELETE``, ``httpretty.HEAD``, ``httpretty.PATCH``, ``httpretty.OPTIONS``, ``httpretty.CONNECT``. uri (str|re.Pattern): The URL to match adding_headers (dict): Extra headers to be added to the response forcing_headers (dict): Overwrite response headers. status (int): The status code for the response, defaults to ``200``. streaming (bool): Whether should stream the response into chunks via generator. headers: Headers to inject in the faked response. Returns: httpretty.Entry: containing the request-matching metadata. .. warning:: When using the ``forcing_headers`` option make sure to add the header ``Content-Length`` to match at most the total body length, otherwise some HTTP clients can hang indefinitely. """ def __init__(self, method, uri, body, adding_headers=None, forcing_headers=None, status=200, streaming=False, **headers): self.method = method self.uri = uri self.info = None self.request = None self.body_is_callable = False if hasattr(body, "__call__"): self.callable_body = body self.body = None self.body_is_callable = True elif isinstance(body, str): self.body = utf8(body) else: self.body = body self.streaming = streaming if not streaming and not self.body_is_callable: self.body_length = len(self.body or '') else: self.body_length = 0 self.adding_headers = adding_headers or {} self.forcing_headers = forcing_headers or {} self.status = int(status) for k, v in headers.items(): name = "-".join(k.split("_")).title() self.adding_headers[name] = v self.validate()
[docs] def validate(self): """validates the body size with the value of the ``Content-Length`` header """ content_length_keys = 'Content-Length', 'content-length' for key in content_length_keys: got = self.adding_headers.get( key, self.forcing_headers.get(key, None)) if got is None: continue igot = None try: igot = int(got) except (ValueError, TypeError): warnings.warn( 'HTTPretty got to register the Content-Length header ' 'with "%r" which is not a number' % got) return if igot and igot > self.body_length: raise HTTPrettyError( 'HTTPretty got inconsistent parameters. The header ' 'Content-Length you registered expects size "%d" but ' 'the body you registered for that has actually length ' '"%d".' % ( igot, self.body_length, ) )
def __str__(self): return r'<Entry {} {} getting {}>'.format( self.method, self.uri, self.status )
[docs] def normalize_headers(self, headers): """Normalize keys in header names so that ``COntent-tyPe`` becomes ``content-type`` :param headers: dict :returns: dict """ new = {} for k in headers: new_k = '-'.join([s.lower() for s in k.split('-')]) new[new_k] = headers[k] return new
[docs] def fill_filekind(self, fk): """writes HTTP Response data to a file descriptor :parm fk: a file-like object .. warning:: **side-effect:** this method moves the cursor of the given file object to zero """ now = datetime.utcnow() headers = { 'status': self.status, 'date': now.strftime('%a, %d %b %Y %H:%M:%S GMT'), 'server': 'Python/HTTPretty', 'connection': 'close', } if self.forcing_headers: headers = self.forcing_headers if self.adding_headers: headers.update( self.normalize_headers( self.adding_headers)) headers = self.normalize_headers(headers) status = headers.get('status', self.status) if self.body_is_callable: status, headers, self.body = self.callable_body(self.request, self.info.full_url(), headers) headers = self.normalize_headers(headers) # TODO: document this behavior: if 'content-length' not in headers: headers.update({ 'content-length': len(self.body) }) string_list = [ 'HTTP/1.1 %d %s' % (status, STATUSES[status]), ] if 'date' in headers: string_list.append('date: %s' % headers.pop('date')) if not self.forcing_headers: content_type = headers.pop('content-type', 'text/plain; charset=utf-8') content_length = headers.pop('content-length', self.body_length) string_list.append('content-type: %s' % content_type) if not self.streaming: string_list.append('content-length: %s' % content_length) server = headers.pop('server', None) if server: string_list.append('server: %s' % server) for k, v in headers.items(): string_list.append( '{}: {}'.format(k, v), ) for item in string_list: fk.write(utf8(item) + b'\n') fk.write(b'\r\n') if self.streaming: self.body, body = itertools.tee(self.body) for chunk in body: fk.write(utf8(chunk)) else: fk.write(utf8(self.body)) fk.seek(0)
[docs]def url_fix(s, charset=None): """escapes special characters """ if charset: warnings.warn("{}.url_fix() charset argument is deprecated".format(__name__), DeprecationWarning) scheme, netloc, path, querystring, fragment = urlsplit(s) path = quote(path, b'/%') querystring = quote_plus(querystring, b':&=') return urlunsplit((scheme, netloc, path, querystring, fragment))
[docs]class URIInfo(BaseClass): """Internal representation of `URIs <https://en.wikipedia.org/wiki/Uniform_Resource_Identifier>`_ .. tip:: all arguments are optional :param username: :param password: :param hostname: :param port: :param path: :param query: :param fragment: :param scheme: :param last_request: """ default_str_attrs = ( 'username', 'password', 'hostname', 'port', 'path', ) def __init__(self, username='', password='', hostname='', port=80, path='/', query='', fragment='', scheme='', last_request=None): self.username = username or '' self.password = password or '' self.hostname = hostname or '' if port: port = int(port) elif scheme == 'https': port = 443 self.port = port or 80 self.path = path or '' if query: query_items = sorted(parse_qs(query).items()) self.query = urlencode( encode_obj(query_items), doseq=True, ) else: self.query = '' if scheme: self.scheme = scheme elif self.port in POTENTIAL_HTTPS_PORTS: self.scheme = 'https' else: self.scheme = 'http' self.fragment = fragment or '' self.last_request = last_request def to_str(self, attrs): fmt = ", ".join(['%s="%s"' % (k, getattr(self, k, '')) for k in attrs]) return r'<httpretty.URIInfo(%s)>' % fmt def __str__(self): return self.to_str(self.default_str_attrs) def str_with_query(self): attrs = self.default_str_attrs + ('query',) return self.to_str(attrs) def __hash__(self): return int(hashlib.sha1(bytes(self, 'ascii')).hexdigest(), 16) 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
[docs] def full_url(self, use_querystring=True): """ :param use_querystring: bool :returns: a string with the full url with the format ``{scheme}://{credentials}{domain}{path}{query}`` """ credentials = "" if self.password: credentials = "{}:{}@".format( self.username, self.password) query = "" if use_querystring and self.query: query = "?{}".format(decode_utf8(self.query)) result = "{scheme}://{credentials}{domain}{path}{query}".format( scheme=self.scheme, credentials=credentials, domain=self.get_full_domain(), path=decode_utf8(self.path), query=query ) return result
[docs] def get_full_domain(self): """ :returns: a string in the form ``{domain}:{port}`` or just the domain if the port is 80 or 443 """ hostname = decode_utf8(self.hostname) # Port 80/443 should not be appended to the url if self.port not in DEFAULT_HTTP_PORTS | DEFAULT_HTTPS_PORTS: return ":".join([hostname, str(self.port)]) return hostname
[docs] @classmethod def from_uri(cls, uri, entry): """ :param uri: string :param entry: an instance of :py:class:`~httpretty.core.Entry` """ result = urlsplit(uri) if result.scheme == 'https': POTENTIAL_HTTPS_PORTS.add(int(result.port or 443)) else: 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)
[docs]class URIMatcher(object): regex = None info = None def __init__(self, uri, entries, match_querystring=False, priority=0): self._match_querystring = match_querystring # CPython, Jython regex_types = ('SRE_Pattern', 'org.python.modules.sre.PatternObject', 'Pattern') is_regex = type(uri).__name__ in regex_types if is_regex: self.regex = uri result = urlsplit(uri.pattern) if result.scheme == 'https': POTENTIAL_HTTPS_PORTS.add(int(result.port or 443)) else: POTENTIAL_HTTP_PORTS.add(int(result.port or 80)) else: self.info = URIInfo.from_uri(uri, entries) self.entries = entries self.priority = priority self.uri = uri # hash of current_entry pointers, per method. self.current_entries = {} def matches(self, info): if self.info: # Query string is not considered when comparing info objects, compare separately return self.info == info and (not self._match_querystring or self.info.query == info.query) else: return self.regex.search(info.full_url( use_querystring=self._match_querystring)) def __str__(self): wrap = 'URLMatcher({})' if self.info: if self._match_querystring: return wrap.format(str(self.info.str_with_query())) else: return wrap.format(str(self.info)) else: return wrap.format(self.regex.pattern)
[docs] def get_next_entry(self, method, info, request): """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 # Create a copy of the original entry to make it thread-safe body = entry.callable_body if entry.body_is_callable else entry.body new_entry = Entry(entry.method, entry.uri, body, status=entry.status, streaming=entry.streaming, adding_headers=entry.adding_headers, forcing_headers=entry.forcing_headers) # Attach more info to the entry # So the callback can be more clever about what to do # This does also fix the case where the callback # would be handed a compiled regex as uri instead of the # real uri new_entry.info = info new_entry.request = request return new_entry
def __hash__(self): return hash(str(self)) def __eq__(self, other): return str(self) == str(other)
[docs]class httpretty(HttpBaseClass): """manages HTTPretty's internal request/response registry and request matching. """ _entries = {} latest_requests = [] last_request = HTTPrettyRequestEmpty() _is_enabled = False allow_net_connect = True
[docs] @classmethod def match_uriinfo(cls, info): """ :param info: an :py:class:`~httpretty.core.URIInfo` :returns: a 2-item tuple: (:py:class:`~httpretty.core.URLMatcher`, :py:class:`~httpretty.core.URIInfo`) or ``(None, [])`` """ items = sorted( cls._entries.items(), key=lambda matcher_entries: matcher_entries[0].priority, reverse=True, ) for matcher, value in items: if matcher.matches(info): return (matcher, info) return (None, [])
[docs] @classmethod def match_https_hostname(cls, hostname): """ :param hostname: a string :returns: an :py:class:`~httpretty.core.URLMatcher` or ``None`` """ items = sorted( cls._entries.items(), key=lambda matcher_entries: matcher_entries[0].priority, reverse=True, ) for matcher, value in items: if matcher.info is None: pattern_with_port = "https://{0}:".format(hostname) pattern_without_port = "https://{0}/".format(hostname) hostname_pattern = ( hostname_re .match(matcher.regex.pattern) .group(0) ) for pattern in [pattern_with_port, pattern_without_port]: if re.match(hostname_pattern, pattern): return matcher elif matcher.info.hostname == hostname: return matcher return None
[docs] @classmethod def match_http_address(cls, hostname, port): """ :param hostname: a string :param port: an integer :returns: an :py:class:`~httpretty.core.URLMatcher` or ``None`` """ items = sorted( cls._entries.items(), key=lambda matcher_entries: matcher_entries[0].priority, reverse=True, ) for matcher, value in items: if matcher.info is None: if port in POTENTIAL_HTTPS_PORTS: scheme = 'https://' else: scheme = 'http://' pattern_without_port = "{0}{1}/".format(scheme, hostname) pattern_with_port = "{0}{1}:{2}/".format(scheme, hostname, port) hostname_pattern = ( hostname_re .match(matcher.regex.pattern) .group(0) ) for pattern in [pattern_with_port, pattern_without_port]: if re.match(hostname_pattern, pattern): return matcher elif matcher.info.hostname == hostname \ and matcher.info.port == port: return matcher return None
[docs] @classmethod @contextlib.contextmanager def record(cls, filename, indentation=4, encoding='utf-8', verbose=False, allow_net_connect=True, pool_manager_params=None): """ .. testcode:: import io import json import requests import httpretty with httpretty.record('/tmp/ip.json'): data = requests.get('https://httpbin.org/ip').json() with io.open('/tmp/ip.json') as fd: assert data == json.load(fd) :param filename: a string :param indentation: an integer, defaults to **4** :param encoding: a string, defaults to **"utf-8"** :returns: a `context-manager <https://docs.python.org/3/reference/datamodel.html#context-managers>`_ """ try: import urllib3 except ImportError: msg = ( 'HTTPretty requires urllib3 installed ' 'for recording actual requests.' ) raise RuntimeError(msg) http = urllib3.PoolManager(**pool_manager_params or {}) cls.enable(allow_net_connect, verbose=verbose) calls = [] def record_request(request, uri, headers): cls.disable() kw = {} kw.setdefault('body', request.body) kw.setdefault('headers', dict(request.headers)) response = http.request(request.method, uri, **kw) calls.append({ 'request': { 'uri': uri, 'method': request.method, 'headers': dict(request.headers), 'body': decode_utf8(request.body), 'querystring': request.querystring }, 'response': { 'status': response.status, 'body': decode_utf8(response.data), # urllib3 1.10 had a bug if you just did: # dict(response.headers) # which would cause all the values to become lists # with the header name as the first item and the # true value as the second item. Workaround that 'headers': dict(response.headers.items()) } }) cls.enable(allow_net_connect, verbose=verbose) return response.status, response.headers, response.data for method in cls.METHODS: cls.register_uri(method, MULTILINE_ANY_REGEX, body=record_request) yield cls.disable() with codecs.open(filename, 'w', encoding) as f: f.write(json.dumps(calls, indent=indentation))
[docs] @classmethod @contextlib.contextmanager def playback(cls, filename, allow_net_connect=True, verbose=False): """ .. testcode:: import io import json import requests import httpretty with httpretty.record('/tmp/ip.json'): data = requests.get('https://httpbin.org/ip').json() with io.open('/tmp/ip.json') as fd: assert data == json.load(fd) :param filename: a string :returns: a `context-manager <https://docs.python.org/3/reference/datamodel.html#context-managers>`_ """ cls.enable(allow_net_connect, verbose=verbose) data = json.loads(open(filename).read()) for item in data: uri = item['request']['uri'] method = item['request']['method'] body = item['response']['body'] headers = item['response']['headers'] cls.register_uri(method, uri, body=body, forcing_headers=headers) yield cls.disable()
[docs] @classmethod def reset(cls): """resets the internal state of HTTPretty, unregistering all URLs """ POTENTIAL_HTTP_PORTS.intersection_update(DEFAULT_HTTP_PORTS) POTENTIAL_HTTPS_PORTS.intersection_update(DEFAULT_HTTPS_PORTS) cls._entries.clear() cls.latest_requests = [] cls.last_request = HTTPrettyRequestEmpty() __internals__.cleanup_sockets()
[docs] @classmethod def historify_request(cls, headers, body='', sock=None, append=True): """appends request to a list for later retrieval .. testcode:: import httpretty httpretty.register_uri(httpretty.GET, 'https://httpbin.org/ip', body='') with httpretty.enabled(): requests.get('https://httpbin.org/ip') assert httpretty.latest_requests[-1].url == 'https://httpbin.org/ip' """ request = HTTPrettyRequest(headers, body, sock=sock) cls.last_request = request if append or not cls.latest_requests: cls.latest_requests.append(request) else: cls.latest_requests[-1] = request logger.info("captured: {}".format(request)) return request
[docs] @classmethod def register_uri(cls, method, uri, body='{"message": "HTTPretty :)"}', adding_headers=None, forcing_headers=None, status=200, responses=None, match_querystring=False, priority=0, **headers): """ .. testcode:: import httpretty def request_callback(request, uri, response_headers): content_type = request.headers.get('Content-Type') assert request.body == '{"nothing": "here"}', 'unexpected body: {}'.format(request.body) assert content_type == 'application/json', 'expected application/json but received Content-Type: {}'.format(content_type) return [200, response_headers, json.dumps({"hello": "world"})] httpretty.register_uri( HTTPretty.POST, "https://httpretty.example.com/api", body=request_callback) with httpretty.enabled(): requests.post('https://httpretty.example.com/api', data='{"nothing": "here"}', headers={'Content-Type': 'application/json'}) assert httpretty.latest_requests[-1].url == 'https://httpbin.org/ip' :param method: one of ``httpretty.GET``, ``httpretty.PUT``, ``httpretty.POST``, ``httpretty.DELETE``, ``httpretty.HEAD``, ``httpretty.PATCH``, ``httpretty.OPTIONS``, ``httpretty.CONNECT`` :param uri: a string or regex pattern (e.g.: **"https://httpbin.org/ip"**) :param body: a string, defaults to ``{"message": "HTTPretty :)"}`` :param adding_headers: dict - headers to be added to the response :param forcing_headers: dict - headers to be forcefully set in the response :param status: an integer, defaults to **200** :param responses: a list of entries, ideally each created with :py:meth:`~httpretty.core.httpretty.Response` :param priority: an integer, useful for setting higher priority over previously registered urls. defaults to zero :param match_querystring: bool - whether to take the querystring into account when matching an URL :param headers: headers to be added to the response .. warning:: When using a port in the request, add a trailing slash if no path is provided otherwise Httpretty will not catch the request. Ex: ``httpretty.register_uri(httpretty.GET, 'http://fakeuri.com:8080/', body='{"hello":"world"}')`` """ uri_is_string = isinstance(uri, str) if uri_is_string and re.search(r'^\w+://[^/]+[.]\w{2,}(:[0-9]+)?$', 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['body'] = body headers['adding_headers'] = adding_headers headers['forcing_headers'] = forcing_headers headers['status'] = status entries_for_this_uri = [ cls.Response(method=method, uri=uri, **headers), ] matcher = URIMatcher(uri, entries_for_this_uri, match_querystring, priority) 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)
[docs] @classmethod def Response( cls, body, method=None, uri=None, adding_headers=None, forcing_headers=None, status=200, streaming=False, **kw): """Shortcut to create an :py:class:`~httpretty.core.Entry` that takes the body as first positional argument. .. seealso:: the parameters of this function match those of the :py:class:`~httpretty.core.Entry` constructor. Args: body (str): The body to return as response.. method (str): One of ``httpretty.GET``, ``httpretty.PUT``, ``httpretty.POST``, ``httpretty.DELETE``, ``httpretty.HEAD``, ``httpretty.PATCH``, ``httpretty.OPTIONS``, ``httpretty.CONNECT``. uri (str|re.Pattern): The URL to match adding_headers (dict): Extra headers to be added to the response forcing_headers (dict): Overwrite **any** response headers, even "Content-Length". status (int): The status code for the response, defaults to ``200``. streaming (bool): Whether should stream the response into chunks via generator. kwargs: Keyword-arguments are forwarded to :py:class:`~httpretty.core.Entry` Returns: httpretty.Entry: containing the request-matching metadata. """ kw['body'] = body kw['adding_headers'] = adding_headers kw['forcing_headers'] = forcing_headers kw['status'] = int(status) kw['streaming'] = streaming return Entry(method, uri, **kw)
[docs] @classmethod def disable(cls): """Disables HTTPretty entirely, putting the original :py:mod:`socket` module back in its place. .. code:: import re, json import httpretty httpretty.enable() # request passes through fake socket response = requests.get('https://httpbin.org') httpretty.disable() # request uses real python socket module response = requests.get('https://httpbin.org') .. note:: This method does not call :py:meth:`httpretty.core.reset` automatically. """ undo_patch_socket() cls._is_enabled = False
[docs] @classmethod def is_enabled(cls): """Check if HTTPretty is enabled :returns: bool .. testcode:: import httpretty httpretty.enable() assert httpretty.is_enabled() == True httpretty.disable() assert httpretty.is_enabled() == False """ return cls._is_enabled
[docs] @classmethod def enable(cls, allow_net_connect=True, verbose=False): """Enables HTTPretty. :param allow_net_connect: boolean to determine if unmatched requests are forwarded to a real network connection OR throw :py:class:`httpretty.errors.UnmockedError`. :param verbose: boolean to set HTTPretty's logging level to DEBUG .. testcode:: import re, json import httpretty httpretty.enable(allow_net_connect=True, verbose=True) httpretty.register_uri( httpretty.GET, re.compile(r'http://.*'), body=json.dumps({'man': 'in', 'the': 'middle'}) ) response = requests.get('https://foo.bar/foo/bar') response.json().should.equal({ "man": "in", "the": "middle", }) .. warning:: after calling this method the original :py:mod:`socket` is replaced with :py:class:`httpretty.core.fakesock`. Make sure to call :py:meth:`~httpretty.disable` after done with your tests or use the :py:class:`httpretty.enabled` as decorator or `context-manager <https://docs.python.org/3/reference/datamodel.html#context-managers>`_ """ httpretty.allow_net_connect = allow_net_connect apply_patch_socket() cls._is_enabled = True if verbose: logger.setLevel(logging.DEBUG) else: logger.setLevel(logging.getLogger().level or logging.WARNING)
def apply_patch_socket(): # Some versions of python internally shadowed the # SocketType variable incorrectly https://bugs.python.org/issue20386 bad_socket_shadow = (socket.socket != socket.SocketType) new_wrap = None socket.socket = fakesock.socket socket.socketpair = fake_socketpair socket._socketobject = fakesock.socket if not bad_socket_shadow: 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__['socketpair'] = fake_socketpair socket.__dict__['_socketobject'] = fakesock.socket if not bad_socket_shadow: 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 # Take out the pyopenssl version - use the default implementation for extract_from_urllib3 in pyopenssl_overrides_extract: extract_into_urllib3() if requests_urllib3_connection is not None: urllib3_wrap = partial(fake_wrap_socket, old_requests_ssl_wrap_socket) requests_urllib3_connection.ssl_wrap_socket = urllib3_wrap requests_urllib3_connection.__dict__['ssl_wrap_socket'] = urllib3_wrap if eventlet: eventlet.green.ssl.GreenSSLContext = old_sslcontext_class eventlet.green.ssl.__dict__['GreenSSLContext'] = old_sslcontext_class eventlet.green.ssl.SSLContext = old_sslcontext_class eventlet.green.ssl.__dict__['SSLContext'] = old_sslcontext_class if socks: socks.socksocket = fakesock.socket socks.__dict__['socksocket'] = fakesock.socket if ssl: new_wrap = partial(fake_wrap_socket, old_ssl_wrap_socket) ssl.wrap_socket = new_wrap ssl.SSLSocket = FakeSSLSocket ssl.SSLContext = old_sslcontext_class try: ssl.SSLContext.wrap_socket = partial(fake_wrap_socket, old_ssl_wrap_socket) except AttributeError: pass ssl.__dict__['wrap_socket'] = new_wrap ssl.__dict__['SSLSocket'] = FakeSSLSocket ssl.__dict__['SSLContext'] = old_sslcontext_class def undo_patch_socket(): socket.socket = old_socket socket.socketpair = old_socketpair socket.SocketType = old_SocketType 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__['socketpair'] = old_socketpair socket.__dict__['_socketobject'] = old_socket socket.__dict__['SocketType'] = old_SocketType 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 try: ssl.SSLContext.wrap_socket = old_sslcontext_wrap_socket except AttributeError: pass ssl.__dict__['wrap_socket'] = old_ssl_wrap_socket ssl.__dict__['SSLSocket'] = old_sslsocket if requests_urllib3_connection is not None: requests_urllib3_connection.ssl_wrap_socket = \ old_requests_ssl_wrap_socket requests_urllib3_connection.__dict__['ssl_wrap_socket'] = \ old_requests_ssl_wrap_socket # Put the pyopenssl version back in place for inject_from_urllib3 in pyopenssl_overrides_inject: inject_into_urllib3() @contextlib.contextmanager def restored_libs(): undo_patch_socket() yield apply_patch_socket()
[docs]class httprettized(object): """`context-manager <https://docs.python.org/3/reference/datamodel.html#context-managers>`_ for enabling HTTPretty. .. tip:: Also available under the alias :py:func:`httpretty.enabled` .. testcode:: import json import httpretty httpretty.register_uri(httpretty.GET, 'https://httpbin.org/ip', body=json.dumps({'origin': '42.42.42.42'})) with httpretty.enabled(): response = requests.get('https://httpbin.org/ip') assert httpretty.latest_requests[-1].url == 'https://httpbin.org/ip' assert response.json() == {'origin': '42.42.42.42'} """ def __init__(self, allow_net_connect=True, verbose=False): self.allow_net_connect = allow_net_connect self.verbose = verbose def __enter__(self): httpretty.reset() httpretty.enable(allow_net_connect=self.allow_net_connect, verbose=self.verbose) def __exit__(self, exc_type, exc_value, db): httpretty.disable() httpretty.reset()
[docs]def httprettified(test=None, allow_net_connect=True, verbose=False): """decorator for test functions .. tip:: Also available under the alias :py:func:`httpretty.activate` :param test: a callable example usage with `nosetests <https://nose.readthedocs.io/en/latest/>`_ .. testcode:: import sure from httpretty import httprettified @httprettified def test_using_nosetests(): httpretty.register_uri( httpretty.GET, 'https://httpbin.org/ip' ) response = requests.get('https://httpbin.org/ip') response.json().should.equal({ "message": "HTTPretty :)" }) example usage with `unittest module <https://docs.python.org/3/library/unittest.html>`_ .. testcode:: import unittest from sure import expect from httpretty import httprettified @httprettified class TestWithPyUnit(unittest.TestCase): def test_httpbin(self): httpretty.register_uri(httpretty.GET, 'https://httpbin.org/ip') response = requests.get('https://httpbin.org/ip') expect(response.json()).to.equal({ "message": "HTTPretty :)" }) """ def decorate_unittest_TestCase_setUp(klass): # Prefer addCleanup (added in python 2.7), but fall back # to using tearDown if it isn't available use_addCleanup = hasattr(klass, 'addCleanup') original_setUp = (klass.setUp if hasattr(klass, 'setUp') else None) def new_setUp(self): httpretty.reset() httpretty.enable(allow_net_connect, verbose=verbose) if use_addCleanup: self.addCleanup(httpretty.disable) if original_setUp: original_setUp(self) klass.setUp = new_setUp if not use_addCleanup: original_tearDown = (klass.setUp if hasattr(klass, 'tearDown') else None) def new_tearDown(self): httpretty.disable() httpretty.reset() if original_tearDown: original_tearDown(self) klass.tearDown = new_tearDown return klass def decorate_test_methods(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 is_unittest_TestCase(klass): try: import unittest return issubclass(klass, unittest.TestCase) except ImportError: return False def decorate_class(klass): if is_unittest_TestCase(klass): return decorate_unittest_TestCase_setUp(klass) return decorate_test_methods(klass) def decorate_callable(test): @functools.wraps(test) def wrapper(*args, **kw): with httprettized(allow_net_connect): return test(*args, **kw) return wrapper if isinstance(test, type): return decorate_class(test) elif callable(test): return decorate_callable(test) return decorate_callable