1147 lines
40 KiB
Python
1147 lines
40 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
werkzeug.test
|
|
~~~~~~~~~~~~~
|
|
|
|
This module implements a client to WSGI applications for testing.
|
|
|
|
:copyright: 2007 Pallets
|
|
:license: BSD-3-Clause
|
|
"""
|
|
import mimetypes
|
|
import sys
|
|
from io import BytesIO
|
|
from itertools import chain
|
|
from random import random
|
|
from tempfile import TemporaryFile
|
|
from time import time
|
|
|
|
from ._compat import iteritems
|
|
from ._compat import iterlists
|
|
from ._compat import itervalues
|
|
from ._compat import make_literal_wrapper
|
|
from ._compat import reraise
|
|
from ._compat import string_types
|
|
from ._compat import text_type
|
|
from ._compat import to_bytes
|
|
from ._compat import wsgi_encoding_dance
|
|
from ._internal import _get_environ
|
|
from .datastructures import CallbackDict
|
|
from .datastructures import CombinedMultiDict
|
|
from .datastructures import EnvironHeaders
|
|
from .datastructures import FileMultiDict
|
|
from .datastructures import FileStorage
|
|
from .datastructures import Headers
|
|
from .datastructures import MultiDict
|
|
from .http import dump_cookie
|
|
from .http import dump_options_header
|
|
from .http import parse_options_header
|
|
from .urls import iri_to_uri
|
|
from .urls import url_encode
|
|
from .urls import url_fix
|
|
from .urls import url_parse
|
|
from .urls import url_unparse
|
|
from .urls import url_unquote
|
|
from .utils import get_content_type
|
|
from .wrappers import BaseRequest
|
|
from .wsgi import ClosingIterator
|
|
from .wsgi import get_current_url
|
|
|
|
try:
|
|
from urllib.request import Request as U2Request
|
|
except ImportError:
|
|
from urllib2 import Request as U2Request
|
|
|
|
try:
|
|
from http.cookiejar import CookieJar
|
|
except ImportError:
|
|
from cookielib import CookieJar
|
|
|
|
|
|
def stream_encode_multipart(
|
|
values, use_tempfile=True, threshold=1024 * 500, boundary=None, charset="utf-8"
|
|
):
|
|
"""Encode a dict of values (either strings or file descriptors or
|
|
:class:`FileStorage` objects.) into a multipart encoded string stored
|
|
in a file descriptor.
|
|
"""
|
|
if boundary is None:
|
|
boundary = "---------------WerkzeugFormPart_%s%s" % (time(), random())
|
|
_closure = [BytesIO(), 0, False]
|
|
|
|
if use_tempfile:
|
|
|
|
def write_binary(string):
|
|
stream, total_length, on_disk = _closure
|
|
if on_disk:
|
|
stream.write(string)
|
|
else:
|
|
length = len(string)
|
|
if length + _closure[1] <= threshold:
|
|
stream.write(string)
|
|
else:
|
|
new_stream = TemporaryFile("wb+")
|
|
new_stream.write(stream.getvalue())
|
|
new_stream.write(string)
|
|
_closure[0] = new_stream
|
|
_closure[2] = True
|
|
_closure[1] = total_length + length
|
|
|
|
else:
|
|
write_binary = _closure[0].write
|
|
|
|
def write(string):
|
|
write_binary(string.encode(charset))
|
|
|
|
if not isinstance(values, MultiDict):
|
|
values = MultiDict(values)
|
|
|
|
for key, values in iterlists(values):
|
|
for value in values:
|
|
write('--%s\r\nContent-Disposition: form-data; name="%s"' % (boundary, key))
|
|
reader = getattr(value, "read", None)
|
|
if reader is not None:
|
|
filename = getattr(value, "filename", getattr(value, "name", None))
|
|
content_type = getattr(value, "content_type", None)
|
|
if content_type is None:
|
|
content_type = (
|
|
filename
|
|
and mimetypes.guess_type(filename)[0]
|
|
or "application/octet-stream"
|
|
)
|
|
if filename is not None:
|
|
write('; filename="%s"\r\n' % filename)
|
|
else:
|
|
write("\r\n")
|
|
write("Content-Type: %s\r\n\r\n" % content_type)
|
|
while 1:
|
|
chunk = reader(16384)
|
|
if not chunk:
|
|
break
|
|
write_binary(chunk)
|
|
else:
|
|
if not isinstance(value, string_types):
|
|
value = str(value)
|
|
|
|
value = to_bytes(value, charset)
|
|
write("\r\n\r\n")
|
|
write_binary(value)
|
|
write("\r\n")
|
|
write("--%s--\r\n" % boundary)
|
|
|
|
length = int(_closure[0].tell())
|
|
_closure[0].seek(0)
|
|
return _closure[0], length, boundary
|
|
|
|
|
|
def encode_multipart(values, boundary=None, charset="utf-8"):
|
|
"""Like `stream_encode_multipart` but returns a tuple in the form
|
|
(``boundary``, ``data``) where data is a bytestring.
|
|
"""
|
|
stream, length, boundary = stream_encode_multipart(
|
|
values, use_tempfile=False, boundary=boundary, charset=charset
|
|
)
|
|
return boundary, stream.read()
|
|
|
|
|
|
def File(fd, filename=None, mimetype=None):
|
|
"""Backwards compat.
|
|
|
|
.. deprecated:: 0.5
|
|
"""
|
|
from warnings import warn
|
|
|
|
warn(
|
|
"'werkzeug.test.File' is deprecated as of version 0.5 and will"
|
|
" be removed in version 1.0. Use 'EnvironBuilder' or"
|
|
" 'FileStorage' instead.",
|
|
DeprecationWarning,
|
|
stacklevel=2,
|
|
)
|
|
return FileStorage(fd, filename=filename, content_type=mimetype)
|
|
|
|
|
|
class _TestCookieHeaders(object):
|
|
|
|
"""A headers adapter for cookielib
|
|
"""
|
|
|
|
def __init__(self, headers):
|
|
self.headers = headers
|
|
|
|
def getheaders(self, name):
|
|
headers = []
|
|
name = name.lower()
|
|
for k, v in self.headers:
|
|
if k.lower() == name:
|
|
headers.append(v)
|
|
return headers
|
|
|
|
def get_all(self, name, default=None):
|
|
rv = []
|
|
for k, v in self.headers:
|
|
if k.lower() == name.lower():
|
|
rv.append(v)
|
|
return rv or default or []
|
|
|
|
|
|
class _TestCookieResponse(object):
|
|
|
|
"""Something that looks like a httplib.HTTPResponse, but is actually just an
|
|
adapter for our test responses to make them available for cookielib.
|
|
"""
|
|
|
|
def __init__(self, headers):
|
|
self.headers = _TestCookieHeaders(headers)
|
|
|
|
def info(self):
|
|
return self.headers
|
|
|
|
|
|
class _TestCookieJar(CookieJar):
|
|
|
|
"""A cookielib.CookieJar modified to inject and read cookie headers from
|
|
and to wsgi environments, and wsgi application responses.
|
|
"""
|
|
|
|
def inject_wsgi(self, environ):
|
|
"""Inject the cookies as client headers into the server's wsgi
|
|
environment.
|
|
"""
|
|
cvals = ["%s=%s" % (c.name, c.value) for c in self]
|
|
|
|
if cvals:
|
|
environ["HTTP_COOKIE"] = "; ".join(cvals)
|
|
else:
|
|
environ.pop("HTTP_COOKIE", None)
|
|
|
|
def extract_wsgi(self, environ, headers):
|
|
"""Extract the server's set-cookie headers as cookies into the
|
|
cookie jar.
|
|
"""
|
|
self.extract_cookies(
|
|
_TestCookieResponse(headers), U2Request(get_current_url(environ))
|
|
)
|
|
|
|
|
|
def _iter_data(data):
|
|
"""Iterates over a `dict` or :class:`MultiDict` yielding all keys and
|
|
values.
|
|
This is used to iterate over the data passed to the
|
|
:class:`EnvironBuilder`.
|
|
"""
|
|
if isinstance(data, MultiDict):
|
|
for key, values in iterlists(data):
|
|
for value in values:
|
|
yield key, value
|
|
else:
|
|
for key, values in iteritems(data):
|
|
if isinstance(values, list):
|
|
for value in values:
|
|
yield key, value
|
|
else:
|
|
yield key, values
|
|
|
|
|
|
class EnvironBuilder(object):
|
|
"""This class can be used to conveniently create a WSGI environment
|
|
for testing purposes. It can be used to quickly create WSGI environments
|
|
or request objects from arbitrary data.
|
|
|
|
The signature of this class is also used in some other places as of
|
|
Werkzeug 0.5 (:func:`create_environ`, :meth:`BaseResponse.from_values`,
|
|
:meth:`Client.open`). Because of this most of the functionality is
|
|
available through the constructor alone.
|
|
|
|
Files and regular form data can be manipulated independently of each
|
|
other with the :attr:`form` and :attr:`files` attributes, but are
|
|
passed with the same argument to the constructor: `data`.
|
|
|
|
`data` can be any of these values:
|
|
|
|
- a `str` or `bytes` object: The object is converted into an
|
|
:attr:`input_stream`, the :attr:`content_length` is set and you have to
|
|
provide a :attr:`content_type`.
|
|
- a `dict` or :class:`MultiDict`: The keys have to be strings. The values
|
|
have to be either any of the following objects, or a list of any of the
|
|
following objects:
|
|
|
|
- a :class:`file`-like object: These are converted into
|
|
:class:`FileStorage` objects automatically.
|
|
- a `tuple`: The :meth:`~FileMultiDict.add_file` method is called
|
|
with the key and the unpacked `tuple` items as positional
|
|
arguments.
|
|
- a `str`: The string is set as form data for the associated key.
|
|
- a file-like object: The object content is loaded in memory and then
|
|
handled like a regular `str` or a `bytes`.
|
|
|
|
:param path: the path of the request. In the WSGI environment this will
|
|
end up as `PATH_INFO`. If the `query_string` is not defined
|
|
and there is a question mark in the `path` everything after
|
|
it is used as query string.
|
|
:param base_url: the base URL is a URL that is used to extract the WSGI
|
|
URL scheme, host (server name + server port) and the
|
|
script root (`SCRIPT_NAME`).
|
|
:param query_string: an optional string or dict with URL parameters.
|
|
:param method: the HTTP method to use, defaults to `GET`.
|
|
:param input_stream: an optional input stream. Do not specify this and
|
|
`data`. As soon as an input stream is set you can't
|
|
modify :attr:`args` and :attr:`files` unless you
|
|
set the :attr:`input_stream` to `None` again.
|
|
:param content_type: The content type for the request. As of 0.5 you
|
|
don't have to provide this when specifying files
|
|
and form data via `data`.
|
|
:param content_length: The content length for the request. You don't
|
|
have to specify this when providing data via
|
|
`data`.
|
|
:param errors_stream: an optional error stream that is used for
|
|
`wsgi.errors`. Defaults to :data:`stderr`.
|
|
:param multithread: controls `wsgi.multithread`. Defaults to `False`.
|
|
:param multiprocess: controls `wsgi.multiprocess`. Defaults to `False`.
|
|
:param run_once: controls `wsgi.run_once`. Defaults to `False`.
|
|
:param headers: an optional list or :class:`Headers` object of headers.
|
|
:param data: a string or dict of form data or a file-object.
|
|
See explanation above.
|
|
:param json: An object to be serialized and assigned to ``data``.
|
|
Defaults the content type to ``"application/json"``.
|
|
Serialized with the function assigned to :attr:`json_dumps`.
|
|
:param environ_base: an optional dict of environment defaults.
|
|
:param environ_overrides: an optional dict of environment overrides.
|
|
:param charset: the charset used to encode unicode data.
|
|
|
|
.. versionadded:: 0.15
|
|
The ``json`` param and :meth:`json_dumps` method.
|
|
|
|
.. versionadded:: 0.15
|
|
The environ has keys ``REQUEST_URI`` and ``RAW_URI`` containing
|
|
the path before perecent-decoding. This is not part of the WSGI
|
|
PEP, but many WSGI servers include it.
|
|
|
|
.. versionchanged:: 0.6
|
|
``path`` and ``base_url`` can now be unicode strings that are
|
|
encoded with :func:`iri_to_uri`.
|
|
"""
|
|
|
|
#: the server protocol to use. defaults to HTTP/1.1
|
|
server_protocol = "HTTP/1.1"
|
|
|
|
#: the wsgi version to use. defaults to (1, 0)
|
|
wsgi_version = (1, 0)
|
|
|
|
#: the default request class for :meth:`get_request`
|
|
request_class = BaseRequest
|
|
|
|
import json
|
|
|
|
#: The serialization function used when ``json`` is passed.
|
|
json_dumps = staticmethod(json.dumps)
|
|
del json
|
|
|
|
def __init__(
|
|
self,
|
|
path="/",
|
|
base_url=None,
|
|
query_string=None,
|
|
method="GET",
|
|
input_stream=None,
|
|
content_type=None,
|
|
content_length=None,
|
|
errors_stream=None,
|
|
multithread=False,
|
|
multiprocess=False,
|
|
run_once=False,
|
|
headers=None,
|
|
data=None,
|
|
environ_base=None,
|
|
environ_overrides=None,
|
|
charset="utf-8",
|
|
mimetype=None,
|
|
json=None,
|
|
):
|
|
path_s = make_literal_wrapper(path)
|
|
if query_string is not None and path_s("?") in path:
|
|
raise ValueError("Query string is defined in the path and as an argument")
|
|
if query_string is None and path_s("?") in path:
|
|
path, query_string = path.split(path_s("?"), 1)
|
|
self.charset = charset
|
|
self.path = iri_to_uri(path)
|
|
if base_url is not None:
|
|
base_url = url_fix(iri_to_uri(base_url, charset), charset)
|
|
self.base_url = base_url
|
|
if isinstance(query_string, (bytes, text_type)):
|
|
self.query_string = query_string
|
|
else:
|
|
if query_string is None:
|
|
query_string = MultiDict()
|
|
elif not isinstance(query_string, MultiDict):
|
|
query_string = MultiDict(query_string)
|
|
self.args = query_string
|
|
self.method = method
|
|
if headers is None:
|
|
headers = Headers()
|
|
elif not isinstance(headers, Headers):
|
|
headers = Headers(headers)
|
|
self.headers = headers
|
|
if content_type is not None:
|
|
self.content_type = content_type
|
|
if errors_stream is None:
|
|
errors_stream = sys.stderr
|
|
self.errors_stream = errors_stream
|
|
self.multithread = multithread
|
|
self.multiprocess = multiprocess
|
|
self.run_once = run_once
|
|
self.environ_base = environ_base
|
|
self.environ_overrides = environ_overrides
|
|
self.input_stream = input_stream
|
|
self.content_length = content_length
|
|
self.closed = False
|
|
|
|
if json is not None:
|
|
if data is not None:
|
|
raise TypeError("can't provide both json and data")
|
|
|
|
data = self.json_dumps(json)
|
|
|
|
if self.content_type is None:
|
|
self.content_type = "application/json"
|
|
|
|
if data:
|
|
if input_stream is not None:
|
|
raise TypeError("can't provide input stream and data")
|
|
if hasattr(data, "read"):
|
|
data = data.read()
|
|
if isinstance(data, text_type):
|
|
data = data.encode(self.charset)
|
|
if isinstance(data, bytes):
|
|
self.input_stream = BytesIO(data)
|
|
if self.content_length is None:
|
|
self.content_length = len(data)
|
|
else:
|
|
for key, value in _iter_data(data):
|
|
if isinstance(value, (tuple, dict)) or hasattr(value, "read"):
|
|
self._add_file_from_data(key, value)
|
|
else:
|
|
self.form.setlistdefault(key).append(value)
|
|
|
|
if mimetype is not None:
|
|
self.mimetype = mimetype
|
|
|
|
@classmethod
|
|
def from_environ(cls, environ, **kwargs):
|
|
"""Turn an environ dict back into a builder. Any extra kwargs
|
|
override the args extracted from the environ.
|
|
|
|
.. versionadded:: 0.15
|
|
"""
|
|
headers = Headers(EnvironHeaders(environ))
|
|
out = {
|
|
"path": environ["PATH_INFO"],
|
|
"base_url": cls._make_base_url(
|
|
environ["wsgi.url_scheme"], headers.pop("Host"), environ["SCRIPT_NAME"]
|
|
),
|
|
"query_string": environ["QUERY_STRING"],
|
|
"method": environ["REQUEST_METHOD"],
|
|
"input_stream": environ["wsgi.input"],
|
|
"content_type": headers.pop("Content-Type", None),
|
|
"content_length": headers.pop("Content-Length", None),
|
|
"errors_stream": environ["wsgi.errors"],
|
|
"multithread": environ["wsgi.multithread"],
|
|
"multiprocess": environ["wsgi.multiprocess"],
|
|
"run_once": environ["wsgi.run_once"],
|
|
"headers": headers,
|
|
}
|
|
out.update(kwargs)
|
|
return cls(**out)
|
|
|
|
def _add_file_from_data(self, key, value):
|
|
"""Called in the EnvironBuilder to add files from the data dict."""
|
|
if isinstance(value, tuple):
|
|
self.files.add_file(key, *value)
|
|
elif isinstance(value, dict):
|
|
from warnings import warn
|
|
|
|
warn(
|
|
"Passing a dict as file data is deprecated as of"
|
|
" version 0.5 and will be removed in version 1.0. Use"
|
|
" a tuple or 'FileStorage' object instead.",
|
|
DeprecationWarning,
|
|
stacklevel=2,
|
|
)
|
|
value = dict(value)
|
|
mimetype = value.pop("mimetype", None)
|
|
if mimetype is not None:
|
|
value["content_type"] = mimetype
|
|
self.files.add_file(key, **value)
|
|
else:
|
|
self.files.add_file(key, value)
|
|
|
|
@staticmethod
|
|
def _make_base_url(scheme, host, script_root):
|
|
return url_unparse((scheme, host, script_root, "", "")).rstrip("/") + "/"
|
|
|
|
@property
|
|
def base_url(self):
|
|
"""The base URL is used to extract the URL scheme, host name,
|
|
port, and root path.
|
|
"""
|
|
return self._make_base_url(self.url_scheme, self.host, self.script_root)
|
|
|
|
@base_url.setter
|
|
def base_url(self, value):
|
|
if value is None:
|
|
scheme = "http"
|
|
netloc = "localhost"
|
|
script_root = ""
|
|
else:
|
|
scheme, netloc, script_root, qs, anchor = url_parse(value)
|
|
if qs or anchor:
|
|
raise ValueError("base url must not contain a query string or fragment")
|
|
self.script_root = script_root.rstrip("/")
|
|
self.host = netloc
|
|
self.url_scheme = scheme
|
|
|
|
def _get_content_type(self):
|
|
ct = self.headers.get("Content-Type")
|
|
if ct is None and not self._input_stream:
|
|
if self._files:
|
|
return "multipart/form-data"
|
|
elif self._form:
|
|
return "application/x-www-form-urlencoded"
|
|
return None
|
|
return ct
|
|
|
|
def _set_content_type(self, value):
|
|
if value is None:
|
|
self.headers.pop("Content-Type", None)
|
|
else:
|
|
self.headers["Content-Type"] = value
|
|
|
|
content_type = property(
|
|
_get_content_type,
|
|
_set_content_type,
|
|
doc="""The content type for the request. Reflected from and to
|
|
the :attr:`headers`. Do not set if you set :attr:`files` or
|
|
:attr:`form` for auto detection.""",
|
|
)
|
|
del _get_content_type, _set_content_type
|
|
|
|
def _get_content_length(self):
|
|
return self.headers.get("Content-Length", type=int)
|
|
|
|
def _get_mimetype(self):
|
|
ct = self.content_type
|
|
if ct:
|
|
return ct.split(";")[0].strip()
|
|
|
|
def _set_mimetype(self, value):
|
|
self.content_type = get_content_type(value, self.charset)
|
|
|
|
def _get_mimetype_params(self):
|
|
def on_update(d):
|
|
self.headers["Content-Type"] = dump_options_header(self.mimetype, d)
|
|
|
|
d = parse_options_header(self.headers.get("content-type", ""))[1]
|
|
return CallbackDict(d, on_update)
|
|
|
|
mimetype = property(
|
|
_get_mimetype,
|
|
_set_mimetype,
|
|
doc="""The mimetype (content type without charset etc.)
|
|
|
|
.. versionadded:: 0.14
|
|
""",
|
|
)
|
|
mimetype_params = property(
|
|
_get_mimetype_params,
|
|
doc=""" The mimetype parameters as dict. For example if the
|
|
content type is ``text/html; charset=utf-8`` the params would be
|
|
``{'charset': 'utf-8'}``.
|
|
|
|
.. versionadded:: 0.14
|
|
""",
|
|
)
|
|
del _get_mimetype, _set_mimetype, _get_mimetype_params
|
|
|
|
def _set_content_length(self, value):
|
|
if value is None:
|
|
self.headers.pop("Content-Length", None)
|
|
else:
|
|
self.headers["Content-Length"] = str(value)
|
|
|
|
content_length = property(
|
|
_get_content_length,
|
|
_set_content_length,
|
|
doc="""The content length as integer. Reflected from and to the
|
|
:attr:`headers`. Do not set if you set :attr:`files` or
|
|
:attr:`form` for auto detection.""",
|
|
)
|
|
del _get_content_length, _set_content_length
|
|
|
|
def form_property(name, storage, doc): # noqa: B902
|
|
key = "_" + name
|
|
|
|
def getter(self):
|
|
if self._input_stream is not None:
|
|
raise AttributeError("an input stream is defined")
|
|
rv = getattr(self, key)
|
|
if rv is None:
|
|
rv = storage()
|
|
setattr(self, key, rv)
|
|
|
|
return rv
|
|
|
|
def setter(self, value):
|
|
self._input_stream = None
|
|
setattr(self, key, value)
|
|
|
|
return property(getter, setter, doc=doc)
|
|
|
|
form = form_property("form", MultiDict, doc="A :class:`MultiDict` of form values.")
|
|
files = form_property(
|
|
"files",
|
|
FileMultiDict,
|
|
doc="""A :class:`FileMultiDict` of uploaded files. You can use
|
|
the :meth:`~FileMultiDict.add_file` method to add new files to
|
|
the dict.""",
|
|
)
|
|
del form_property
|
|
|
|
def _get_input_stream(self):
|
|
return self._input_stream
|
|
|
|
def _set_input_stream(self, value):
|
|
self._input_stream = value
|
|
self._form = self._files = None
|
|
|
|
input_stream = property(
|
|
_get_input_stream,
|
|
_set_input_stream,
|
|
doc="""An optional input stream. If you set this it will clear
|
|
:attr:`form` and :attr:`files`.""",
|
|
)
|
|
del _get_input_stream, _set_input_stream
|
|
|
|
def _get_query_string(self):
|
|
if self._query_string is None:
|
|
if self._args is not None:
|
|
return url_encode(self._args, charset=self.charset)
|
|
return ""
|
|
return self._query_string
|
|
|
|
def _set_query_string(self, value):
|
|
self._query_string = value
|
|
self._args = None
|
|
|
|
query_string = property(
|
|
_get_query_string,
|
|
_set_query_string,
|
|
doc="""The query string. If you set this to a string
|
|
:attr:`args` will no longer be available.""",
|
|
)
|
|
del _get_query_string, _set_query_string
|
|
|
|
def _get_args(self):
|
|
if self._query_string is not None:
|
|
raise AttributeError("a query string is defined")
|
|
if self._args is None:
|
|
self._args = MultiDict()
|
|
return self._args
|
|
|
|
def _set_args(self, value):
|
|
self._query_string = None
|
|
self._args = value
|
|
|
|
args = property(
|
|
_get_args, _set_args, doc="The URL arguments as :class:`MultiDict`."
|
|
)
|
|
del _get_args, _set_args
|
|
|
|
@property
|
|
def server_name(self):
|
|
"""The server name (read-only, use :attr:`host` to set)"""
|
|
return self.host.split(":", 1)[0]
|
|
|
|
@property
|
|
def server_port(self):
|
|
"""The server port as integer (read-only, use :attr:`host` to set)"""
|
|
pieces = self.host.split(":", 1)
|
|
if len(pieces) == 2 and pieces[1].isdigit():
|
|
return int(pieces[1])
|
|
elif self.url_scheme == "https":
|
|
return 443
|
|
return 80
|
|
|
|
def __del__(self):
|
|
try:
|
|
self.close()
|
|
except Exception:
|
|
pass
|
|
|
|
def close(self):
|
|
"""Closes all files. If you put real :class:`file` objects into the
|
|
:attr:`files` dict you can call this method to automatically close
|
|
them all in one go.
|
|
"""
|
|
if self.closed:
|
|
return
|
|
try:
|
|
files = itervalues(self.files)
|
|
except AttributeError:
|
|
files = ()
|
|
for f in files:
|
|
try:
|
|
f.close()
|
|
except Exception:
|
|
pass
|
|
self.closed = True
|
|
|
|
def get_environ(self):
|
|
"""Return the built environ.
|
|
|
|
.. versionchanged:: 0.15
|
|
The content type and length headers are set based on
|
|
input stream detection. Previously this only set the WSGI
|
|
keys.
|
|
"""
|
|
input_stream = self.input_stream
|
|
content_length = self.content_length
|
|
|
|
mimetype = self.mimetype
|
|
content_type = self.content_type
|
|
|
|
if input_stream is not None:
|
|
start_pos = input_stream.tell()
|
|
input_stream.seek(0, 2)
|
|
end_pos = input_stream.tell()
|
|
input_stream.seek(start_pos)
|
|
content_length = end_pos - start_pos
|
|
elif mimetype == "multipart/form-data":
|
|
values = CombinedMultiDict([self.form, self.files])
|
|
input_stream, content_length, boundary = stream_encode_multipart(
|
|
values, charset=self.charset
|
|
)
|
|
content_type = mimetype + '; boundary="%s"' % boundary
|
|
elif mimetype == "application/x-www-form-urlencoded":
|
|
# XXX: py2v3 review
|
|
values = url_encode(self.form, charset=self.charset)
|
|
values = values.encode("ascii")
|
|
content_length = len(values)
|
|
input_stream = BytesIO(values)
|
|
else:
|
|
input_stream = BytesIO()
|
|
|
|
result = {}
|
|
if self.environ_base:
|
|
result.update(self.environ_base)
|
|
|
|
def _path_encode(x):
|
|
return wsgi_encoding_dance(url_unquote(x, self.charset), self.charset)
|
|
|
|
qs = wsgi_encoding_dance(self.query_string)
|
|
|
|
result.update(
|
|
{
|
|
"REQUEST_METHOD": self.method,
|
|
"SCRIPT_NAME": _path_encode(self.script_root),
|
|
"PATH_INFO": _path_encode(self.path),
|
|
"QUERY_STRING": qs,
|
|
# Non-standard, added by mod_wsgi, uWSGI
|
|
"REQUEST_URI": wsgi_encoding_dance(self.path),
|
|
# Non-standard, added by gunicorn
|
|
"RAW_URI": wsgi_encoding_dance(self.path),
|
|
"SERVER_NAME": self.server_name,
|
|
"SERVER_PORT": str(self.server_port),
|
|
"HTTP_HOST": self.host,
|
|
"SERVER_PROTOCOL": self.server_protocol,
|
|
"wsgi.version": self.wsgi_version,
|
|
"wsgi.url_scheme": self.url_scheme,
|
|
"wsgi.input": input_stream,
|
|
"wsgi.errors": self.errors_stream,
|
|
"wsgi.multithread": self.multithread,
|
|
"wsgi.multiprocess": self.multiprocess,
|
|
"wsgi.run_once": self.run_once,
|
|
}
|
|
)
|
|
|
|
headers = self.headers.copy()
|
|
|
|
if content_type is not None:
|
|
result["CONTENT_TYPE"] = content_type
|
|
headers.set("Content-Type", content_type)
|
|
|
|
if content_length is not None:
|
|
result["CONTENT_LENGTH"] = str(content_length)
|
|
headers.set("Content-Length", content_length)
|
|
|
|
for key, value in headers.to_wsgi_list():
|
|
result["HTTP_%s" % key.upper().replace("-", "_")] = value
|
|
|
|
if self.environ_overrides:
|
|
result.update(self.environ_overrides)
|
|
|
|
return result
|
|
|
|
def get_request(self, cls=None):
|
|
"""Returns a request with the data. If the request class is not
|
|
specified :attr:`request_class` is used.
|
|
|
|
:param cls: The request wrapper to use.
|
|
"""
|
|
if cls is None:
|
|
cls = self.request_class
|
|
return cls(self.get_environ())
|
|
|
|
|
|
class ClientRedirectError(Exception):
|
|
"""If a redirect loop is detected when using follow_redirects=True with
|
|
the :cls:`Client`, then this exception is raised.
|
|
"""
|
|
|
|
|
|
class Client(object):
|
|
"""This class allows you to send requests to a wrapped application.
|
|
|
|
The response wrapper can be a class or factory function that takes
|
|
three arguments: app_iter, status and headers. The default response
|
|
wrapper just returns a tuple.
|
|
|
|
Example::
|
|
|
|
class ClientResponse(BaseResponse):
|
|
...
|
|
|
|
client = Client(MyApplication(), response_wrapper=ClientResponse)
|
|
|
|
The use_cookies parameter indicates whether cookies should be stored and
|
|
sent for subsequent requests. This is True by default, but passing False
|
|
will disable this behaviour.
|
|
|
|
If you want to request some subdomain of your application you may set
|
|
`allow_subdomain_redirects` to `True` as if not no external redirects
|
|
are allowed.
|
|
|
|
.. versionadded:: 0.5
|
|
`use_cookies` is new in this version. Older versions did not provide
|
|
builtin cookie support.
|
|
|
|
.. versionadded:: 0.14
|
|
The `mimetype` parameter was added.
|
|
|
|
.. versionadded:: 0.15
|
|
The ``json`` parameter.
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
application,
|
|
response_wrapper=None,
|
|
use_cookies=True,
|
|
allow_subdomain_redirects=False,
|
|
):
|
|
self.application = application
|
|
self.response_wrapper = response_wrapper
|
|
if use_cookies:
|
|
self.cookie_jar = _TestCookieJar()
|
|
else:
|
|
self.cookie_jar = None
|
|
self.allow_subdomain_redirects = allow_subdomain_redirects
|
|
|
|
def set_cookie(
|
|
self,
|
|
server_name,
|
|
key,
|
|
value="",
|
|
max_age=None,
|
|
expires=None,
|
|
path="/",
|
|
domain=None,
|
|
secure=None,
|
|
httponly=False,
|
|
charset="utf-8",
|
|
):
|
|
"""Sets a cookie in the client's cookie jar. The server name
|
|
is required and has to match the one that is also passed to
|
|
the open call.
|
|
"""
|
|
assert self.cookie_jar is not None, "cookies disabled"
|
|
header = dump_cookie(
|
|
key, value, max_age, expires, path, domain, secure, httponly, charset
|
|
)
|
|
environ = create_environ(path, base_url="http://" + server_name)
|
|
headers = [("Set-Cookie", header)]
|
|
self.cookie_jar.extract_wsgi(environ, headers)
|
|
|
|
def delete_cookie(self, server_name, key, path="/", domain=None):
|
|
"""Deletes a cookie in the test client."""
|
|
self.set_cookie(
|
|
server_name, key, expires=0, max_age=0, path=path, domain=domain
|
|
)
|
|
|
|
def run_wsgi_app(self, environ, buffered=False):
|
|
"""Runs the wrapped WSGI app with the given environment."""
|
|
if self.cookie_jar is not None:
|
|
self.cookie_jar.inject_wsgi(environ)
|
|
rv = run_wsgi_app(self.application, environ, buffered=buffered)
|
|
if self.cookie_jar is not None:
|
|
self.cookie_jar.extract_wsgi(environ, rv[2])
|
|
return rv
|
|
|
|
def resolve_redirect(self, response, new_location, environ, buffered=False):
|
|
"""Perform a new request to the location given by the redirect
|
|
response to the previous request.
|
|
"""
|
|
scheme, netloc, path, qs, anchor = url_parse(new_location)
|
|
builder = EnvironBuilder.from_environ(environ, query_string=qs)
|
|
|
|
to_name_parts = netloc.split(":", 1)[0].split(".")
|
|
from_name_parts = builder.server_name.split(".")
|
|
|
|
if to_name_parts != [""]:
|
|
# The new location has a host, use it for the base URL.
|
|
builder.url_scheme = scheme
|
|
builder.host = netloc
|
|
else:
|
|
# A local redirect with autocorrect_location_header=False
|
|
# doesn't have a host, so use the request's host.
|
|
to_name_parts = from_name_parts
|
|
|
|
# Explain why a redirect to a different server name won't be followed.
|
|
if to_name_parts != from_name_parts:
|
|
if to_name_parts[-len(from_name_parts) :] == from_name_parts:
|
|
if not self.allow_subdomain_redirects:
|
|
raise RuntimeError("Following subdomain redirects is not enabled.")
|
|
else:
|
|
raise RuntimeError("Following external redirects is not supported.")
|
|
|
|
path_parts = path.split("/")
|
|
root_parts = builder.script_root.split("/")
|
|
|
|
if path_parts[: len(root_parts)] == root_parts:
|
|
# Strip the script root from the path.
|
|
builder.path = path[len(builder.script_root) :]
|
|
else:
|
|
# The new location is not under the script root, so use the
|
|
# whole path and clear the previous root.
|
|
builder.path = path
|
|
builder.script_root = ""
|
|
|
|
status_code = int(response[1].split(None, 1)[0])
|
|
|
|
# Only 307 and 308 preserve all of the original request.
|
|
if status_code not in {307, 308}:
|
|
# HEAD is preserved, everything else becomes GET.
|
|
if builder.method != "HEAD":
|
|
builder.method = "GET"
|
|
|
|
# Clear the body and the headers that describe it.
|
|
builder.input_stream = None
|
|
builder.content_type = None
|
|
builder.content_length = None
|
|
builder.headers.pop("Transfer-Encoding", None)
|
|
|
|
# Disable the response wrapper while handling redirects. Not
|
|
# thread safe, but the client should not be shared anyway.
|
|
old_response_wrapper = self.response_wrapper
|
|
self.response_wrapper = None
|
|
|
|
try:
|
|
return self.open(builder, as_tuple=True, buffered=buffered)
|
|
finally:
|
|
self.response_wrapper = old_response_wrapper
|
|
|
|
def open(self, *args, **kwargs):
|
|
"""Takes the same arguments as the :class:`EnvironBuilder` class with
|
|
some additions: You can provide a :class:`EnvironBuilder` or a WSGI
|
|
environment as only argument instead of the :class:`EnvironBuilder`
|
|
arguments and two optional keyword arguments (`as_tuple`, `buffered`)
|
|
that change the type of the return value or the way the application is
|
|
executed.
|
|
|
|
.. versionchanged:: 0.5
|
|
If a dict is provided as file in the dict for the `data` parameter
|
|
the content type has to be called `content_type` now instead of
|
|
`mimetype`. This change was made for consistency with
|
|
:class:`werkzeug.FileWrapper`.
|
|
|
|
The `follow_redirects` parameter was added to :func:`open`.
|
|
|
|
Additional parameters:
|
|
|
|
:param as_tuple: Returns a tuple in the form ``(environ, result)``
|
|
:param buffered: Set this to True to buffer the application run.
|
|
This will automatically close the application for
|
|
you as well.
|
|
:param follow_redirects: Set this to True if the `Client` should
|
|
follow HTTP redirects.
|
|
"""
|
|
as_tuple = kwargs.pop("as_tuple", False)
|
|
buffered = kwargs.pop("buffered", False)
|
|
follow_redirects = kwargs.pop("follow_redirects", False)
|
|
environ = None
|
|
if not kwargs and len(args) == 1:
|
|
if isinstance(args[0], EnvironBuilder):
|
|
environ = args[0].get_environ()
|
|
elif isinstance(args[0], dict):
|
|
environ = args[0]
|
|
if environ is None:
|
|
builder = EnvironBuilder(*args, **kwargs)
|
|
try:
|
|
environ = builder.get_environ()
|
|
finally:
|
|
builder.close()
|
|
|
|
response = self.run_wsgi_app(environ.copy(), buffered=buffered)
|
|
|
|
# handle redirects
|
|
redirect_chain = []
|
|
while 1:
|
|
status_code = int(response[1].split(None, 1)[0])
|
|
if (
|
|
status_code not in {301, 302, 303, 305, 307, 308}
|
|
or not follow_redirects
|
|
):
|
|
break
|
|
|
|
# Exhaust intermediate response bodies to ensure middleware
|
|
# that returns an iterator runs any cleanup code.
|
|
if not buffered:
|
|
for _ in response[0]:
|
|
pass
|
|
|
|
new_location = response[2]["location"]
|
|
new_redirect_entry = (new_location, status_code)
|
|
if new_redirect_entry in redirect_chain:
|
|
raise ClientRedirectError("loop detected")
|
|
redirect_chain.append(new_redirect_entry)
|
|
environ, response = self.resolve_redirect(
|
|
response, new_location, environ, buffered=buffered
|
|
)
|
|
|
|
if self.response_wrapper is not None:
|
|
response = self.response_wrapper(*response)
|
|
if as_tuple:
|
|
return environ, response
|
|
return response
|
|
|
|
def get(self, *args, **kw):
|
|
"""Like open but method is enforced to GET."""
|
|
kw["method"] = "GET"
|
|
return self.open(*args, **kw)
|
|
|
|
def patch(self, *args, **kw):
|
|
"""Like open but method is enforced to PATCH."""
|
|
kw["method"] = "PATCH"
|
|
return self.open(*args, **kw)
|
|
|
|
def post(self, *args, **kw):
|
|
"""Like open but method is enforced to POST."""
|
|
kw["method"] = "POST"
|
|
return self.open(*args, **kw)
|
|
|
|
def head(self, *args, **kw):
|
|
"""Like open but method is enforced to HEAD."""
|
|
kw["method"] = "HEAD"
|
|
return self.open(*args, **kw)
|
|
|
|
def put(self, *args, **kw):
|
|
"""Like open but method is enforced to PUT."""
|
|
kw["method"] = "PUT"
|
|
return self.open(*args, **kw)
|
|
|
|
def delete(self, *args, **kw):
|
|
"""Like open but method is enforced to DELETE."""
|
|
kw["method"] = "DELETE"
|
|
return self.open(*args, **kw)
|
|
|
|
def options(self, *args, **kw):
|
|
"""Like open but method is enforced to OPTIONS."""
|
|
kw["method"] = "OPTIONS"
|
|
return self.open(*args, **kw)
|
|
|
|
def trace(self, *args, **kw):
|
|
"""Like open but method is enforced to TRACE."""
|
|
kw["method"] = "TRACE"
|
|
return self.open(*args, **kw)
|
|
|
|
def __repr__(self):
|
|
return "<%s %r>" % (self.__class__.__name__, self.application)
|
|
|
|
|
|
def create_environ(*args, **kwargs):
|
|
"""Create a new WSGI environ dict based on the values passed. The first
|
|
parameter should be the path of the request which defaults to '/'. The
|
|
second one can either be an absolute path (in that case the host is
|
|
localhost:80) or a full path to the request with scheme, netloc port and
|
|
the path to the script.
|
|
|
|
This accepts the same arguments as the :class:`EnvironBuilder`
|
|
constructor.
|
|
|
|
.. versionchanged:: 0.5
|
|
This function is now a thin wrapper over :class:`EnvironBuilder` which
|
|
was added in 0.5. The `headers`, `environ_base`, `environ_overrides`
|
|
and `charset` parameters were added.
|
|
"""
|
|
builder = EnvironBuilder(*args, **kwargs)
|
|
try:
|
|
return builder.get_environ()
|
|
finally:
|
|
builder.close()
|
|
|
|
|
|
def run_wsgi_app(app, environ, buffered=False):
|
|
"""Return a tuple in the form (app_iter, status, headers) of the
|
|
application output. This works best if you pass it an application that
|
|
returns an iterator all the time.
|
|
|
|
Sometimes applications may use the `write()` callable returned
|
|
by the `start_response` function. This tries to resolve such edge
|
|
cases automatically. But if you don't get the expected output you
|
|
should set `buffered` to `True` which enforces buffering.
|
|
|
|
If passed an invalid WSGI application the behavior of this function is
|
|
undefined. Never pass non-conforming WSGI applications to this function.
|
|
|
|
:param app: the application to execute.
|
|
:param buffered: set to `True` to enforce buffering.
|
|
:return: tuple in the form ``(app_iter, status, headers)``
|
|
"""
|
|
environ = _get_environ(environ)
|
|
response = []
|
|
buffer = []
|
|
|
|
def start_response(status, headers, exc_info=None):
|
|
if exc_info is not None:
|
|
reraise(*exc_info)
|
|
response[:] = [status, headers]
|
|
return buffer.append
|
|
|
|
app_rv = app(environ, start_response)
|
|
close_func = getattr(app_rv, "close", None)
|
|
app_iter = iter(app_rv)
|
|
|
|
# when buffering we emit the close call early and convert the
|
|
# application iterator into a regular list
|
|
if buffered:
|
|
try:
|
|
app_iter = list(app_iter)
|
|
finally:
|
|
if close_func is not None:
|
|
close_func()
|
|
|
|
# otherwise we iterate the application iter until we have a response, chain
|
|
# the already received data with the already collected data and wrap it in
|
|
# a new `ClosingIterator` if we need to restore a `close` callable from the
|
|
# original return value.
|
|
else:
|
|
for item in app_iter:
|
|
buffer.append(item)
|
|
if response:
|
|
break
|
|
if buffer:
|
|
app_iter = chain(buffer, app_iter)
|
|
if close_func is not None and app_iter is not app_rv:
|
|
app_iter = ClosingIterator(app_iter, close_func)
|
|
|
|
return app_iter, response[0], Headers(response[1])
|