629 lines
22 KiB
Python
Executable file
629 lines
22 KiB
Python
Executable file
# -*- coding: utf-8 -*-
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"""
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werkzeug.wrappers test
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~~~~~~~~~~~~~~~~~~~~~~
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:copyright: (c) 2010 by the Werkzeug Team, see AUTHORS for more details.
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:license: BSD license.
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"""
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import pickle
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from StringIO import StringIO
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from nose.tools import assert_raises
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from datetime import datetime, timedelta
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from werkzeug.wrappers import *
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from werkzeug.wsgi import LimitedStream
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from werkzeug.http import generate_etag
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from werkzeug.datastructures import MultiDict, ImmutableOrderedMultiDict, \
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ImmutableList, ImmutableTypeConversionDict
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from werkzeug.test import Client, create_environ, run_wsgi_app
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class RequestTestResponse(BaseResponse):
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"""Subclass of the normal response class we use to test response
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and base classes. Has some methods to test if things in the
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response match.
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"""
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def __init__(self, response, status, headers):
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BaseResponse.__init__(self, response, status, headers)
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self.body_data = pickle.loads(self.data)
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def __getitem__(self, key):
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return self.body_data[key]
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def request_demo_app(environ, start_response):
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request = BaseRequest(environ)
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assert 'werkzeug.request' in environ
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start_response('200 OK', [('Content-Type', 'text/plain')])
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return [pickle.dumps({
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'args': request.args,
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'args_as_list': request.args.lists(),
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'form': request.form,
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'form_as_list': request.form.lists(),
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'environ': prepare_environ_pickle(request.environ),
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'data': request.data
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})]
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def prepare_environ_pickle(environ):
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result = {}
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for key, value in environ.iteritems():
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try:
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pickle.dumps((key, value))
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except:
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continue
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result[key] = value
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return result
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def assert_environ(environ, method):
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assert environ['REQUEST_METHOD'] == method
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assert environ['PATH_INFO'] == '/'
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assert environ['SCRIPT_NAME'] == ''
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assert environ['SERVER_NAME'] == 'localhost'
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assert environ['wsgi.version'] == (1, 0)
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assert environ['wsgi.url_scheme'] == 'http'
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def test_base_request():
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"""Base request behavior"""
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client = Client(request_demo_app, RequestTestResponse)
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# get requests
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response = client.get('/?foo=bar&foo=hehe')
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assert response['args'] == MultiDict([('foo', 'bar'), ('foo', 'hehe')])
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assert response['args_as_list'] == [('foo', ['bar', 'hehe'])]
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assert response['form'] == MultiDict()
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assert response['form_as_list'] == []
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assert response['data'] == ''
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assert_environ(response['environ'], 'GET')
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# post requests with form data
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response = client.post('/?blub=blah', data='foo=blub+hehe&blah=42',
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content_type='application/x-www-form-urlencoded')
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assert response['args'] == MultiDict([('blub', 'blah')])
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assert response['args_as_list'] == [('blub', ['blah'])]
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assert response['form'] == MultiDict([('foo', 'blub hehe'), ('blah', '42')])
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assert response['data'] == ''
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# currently we do not guarantee that the values are ordered correctly
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# for post data.
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## assert response['form_as_list'] == [('foo', ['blub hehe']), ('blah', ['42'])]
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assert_environ(response['environ'], 'POST')
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# post requests with json data
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json = '{"foo": "bar", "blub": "blah"}'
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response = client.post('/?a=b', data=json, content_type='application/json')
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assert response['data'] == json
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assert response['args'] == MultiDict([('a', 'b')])
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assert response['form'] == MultiDict()
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def test_access_route():
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"""Check access route on the wrappers"""
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req = Request.from_values(headers={
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'X-Forwarded-For': '192.168.1.2, 192.168.1.1'
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})
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req.environ['REMOTE_ADDR'] = '192.168.1.3'
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req.is_behind_proxy = True
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assert req.access_route == ['192.168.1.2', '192.168.1.1']
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assert req.remote_addr == '192.168.1.2'
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req.is_behind_proxy = False
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assert req.access_route == ['192.168.1.2', '192.168.1.1']
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assert req.remote_addr == '192.168.1.3'
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req = Request.from_values()
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req.environ['REMOTE_ADDR'] = '192.168.1.3'
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assert req.access_route == ['192.168.1.3']
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def test_url_request_descriptors():
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"""Basic URL request descriptors"""
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req = Request.from_values('/bar?foo=baz', 'http://example.com/test')
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assert req.path == u'/bar'
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assert req.script_root == u'/test'
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assert req.url == 'http://example.com/test/bar?foo=baz'
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assert req.base_url == 'http://example.com/test/bar'
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assert req.url_root == 'http://example.com/test/'
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assert req.host_url == 'http://example.com/'
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assert req.host == 'example.com'
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def test_authorization_mixin():
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"""Authorization mixin"""
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request = Request.from_values(headers={
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'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=='
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})
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a = request.authorization
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assert a.type == 'basic'
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assert a.username == 'Aladdin'
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assert a.password == 'open sesame'
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def test_base_response():
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"""Base respone behavior"""
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# unicode
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response = BaseResponse(u'öäü')
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assert response.data == 'öäü'
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# writing
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response = Response('foo')
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response.stream.write('bar')
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assert response.data == 'foobar'
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# set cookie
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response = BaseResponse()
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response.set_cookie('foo', 'bar', 60, 0, '/blub', 'example.org', False)
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assert response.headers.to_list() == [
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('Content-Type', 'text/plain; charset=utf-8'),
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('Set-Cookie', 'foo=bar; Domain=example.org; expires=Thu, '
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'01-Jan-1970 00:00:00 GMT; Max-Age=60; Path=/blub')
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]
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# delete cookie
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response = BaseResponse()
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response.delete_cookie('foo')
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assert response.headers.to_list() == [
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('Content-Type', 'text/plain; charset=utf-8'),
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('Set-Cookie', 'foo=; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/')
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]
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# close call forwarding
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closed = []
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class Iterable(object):
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def next(self):
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raise StopIteration()
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def __iter__(self):
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return self
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def close(self):
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closed.append(True)
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response = BaseResponse(Iterable())
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response.call_on_close(lambda: closed.append(True))
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app_iter, status, headers = run_wsgi_app(response,
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create_environ(),
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buffered=True)
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assert status == '200 OK'
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assert ''.join(app_iter) == ''
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assert len(closed) == 2
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def test_response_status_codes():
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"""Response status codes"""
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response = BaseResponse()
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response.status_code = 404
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assert response.status == '404 NOT FOUND'
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response.status = '200 OK'
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assert response.status_code == 200
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response.status = '999 WTF'
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assert response.status_code == 999
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response.status_code = 588
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assert response.status_code == 588
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assert response.status == '588 UNKNOWN'
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response.status = 'wtf'
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assert response.status_code == 0
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def test_type_forcing():
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"""Response Type forcing"""
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def wsgi_application(environ, start_response):
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start_response('200 OK', [('Content-Type', 'text/html')])
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return ['Hello World!']
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base_response = BaseResponse('Hello World!', content_type='text/html')
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class SpecialResponse(Response):
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def foo(self):
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return 42
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# good enough for this simple application, but don't ever use that in
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# real world examples!
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fake_env = {}
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for orig_resp in wsgi_application, base_response:
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response = SpecialResponse.force_type(orig_resp, fake_env)
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assert response.__class__ is SpecialResponse
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assert response.foo() == 42
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assert response.data == 'Hello World!'
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assert response.content_type == 'text/html'
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# without env, no arbitrary conversion
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assert_raises(TypeError, SpecialResponse.force_type, wsgi_application)
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def test_accept_mixin():
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"""Accept request-wrapper mixin"""
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request = Request({
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'HTTP_ACCEPT': 'text/xml,application/xml,application/xhtml+xml,'
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'text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
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'HTTP_ACCEPT_CHARSET': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
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'HTTP_ACCEPT_ENCODING': 'gzip,deflate',
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'HTTP_ACCEPT_LANGUAGE': 'en-us,en;q=0.5'
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})
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assert request.accept_mimetypes == CharsetAccept([
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('text/xml', 1), ('image/png', 1), ('application/xml', 1),
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('application/xhtml+xml', 1), ('text/html', 0.9),
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('text/plain', 0.8), ('*/*', 0.5)
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])
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assert request.accept_charsets == CharsetAccept([
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('ISO-8859-1', 1), ('utf-8', 0.7), ('*', 0.7)
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])
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assert request.accept_encodings == CharsetAccept([('gzip', 1), ('deflate', 1)])
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assert request.accept_languages == CharsetAccept([('en-us', 1), ('en', 0.5)])
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request = Request({'HTTP_ACCEPT': ''})
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assert request.accept_mimetypes == CharsetAccept()
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def test_etag_request_mixin():
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"""ETag request-wrapper mixin"""
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request = Request({
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'HTTP_CACHE_CONTROL': 'no-store, no-cache',
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'HTTP_IF_MATCH': 'w/"foo", bar, "baz"',
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'HTTP_IF_NONE_MATCH': 'w/"foo", bar, "baz"',
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'HTTP_IF_MODIFIED_SINCE': 'Tue, 22 Jan 2008 11:18:44 GMT',
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'HTTP_IF_UNMODIFIED_SINCE': 'Tue, 22 Jan 2008 11:18:44 GMT'
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})
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assert request.cache_control.no_store
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assert request.cache_control.no_cache
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for etags in request.if_match, request.if_none_match:
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assert etags('bar')
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assert etags.contains_raw('w/"foo"')
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assert etags.contains_weak('foo')
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assert not etags.contains('foo')
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assert request.if_modified_since == datetime(2008, 1, 22, 11, 18, 44)
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assert request.if_unmodified_since == datetime(2008, 1, 22, 11, 18, 44)
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def test_user_agent_mixin():
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"""User agent request-wrapper mixin"""
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user_agents = [
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('Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.11) '
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'Gecko/20071127 Firefox/2.0.0.11', 'firefox', 'macos', '2.0.0.11',
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'en-US'),
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('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; de-DE) Opera 8.54',
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'opera', 'windows', '8.54', 'de-DE'),
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('Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420 '
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'(KHTML, like Gecko) Version/3.0 Mobile/1A543a Safari/419.3',
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'safari', 'iphone', '419.3', 'en'),
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('Bot Googlebot/2.1 ( http://www.googlebot.com/bot.html)',
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'google', None, '2.1', None)
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]
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for ua, browser, platform, version, lang in user_agents:
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print locals()
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request = Request({'HTTP_USER_AGENT': ua})
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assert request.user_agent.browser == browser
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assert request.user_agent.platform == platform
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assert request.user_agent.version == version
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assert request.user_agent.language == lang
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assert bool(request.user_agent)
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assert request.user_agent.to_header() == ua
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assert str(request.user_agent) == ua
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request = Request({'HTTP_USER_AGENT': 'foo'})
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assert not request.user_agent
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def test_etag_response_mixin():
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"""ETag response-wrapper mixin"""
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response = Response('Hello World')
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assert response.get_etag() == (None, None)
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response.add_etag()
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assert response.get_etag() == ('b10a8db164e0754105b7a99be72e3fe5', False)
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assert not response.cache_control
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response.cache_control.must_revalidate = True
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response.cache_control.max_age = 60
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response.headers['Content-Length'] = len(response.data)
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assert response.headers['Cache-Control'] == 'must-revalidate, max-age=60'
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env = create_environ()
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env.update({
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'REQUEST_METHOD': 'GET',
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'HTTP_IF_NONE_MATCH': response.get_etag()[0]
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})
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response.make_conditional(env)
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# after the thing is invoked by the server as wsgi application
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# (we're emulating this here), there must not be any entity
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# headers left and the status code would have to be 304
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resp = Response.from_app(response, env)
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assert resp.status_code == 304
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assert not 'content-length' in resp.headers
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def test_etag_response_mixin_freezing():
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"""Freeze of the etag response mixin adds etag if mixed first"""
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class WithFreeze(ETagResponseMixin, BaseResponse):
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pass
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class WithoutFreeze(BaseResponse, ETagResponseMixin):
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pass
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response = WithFreeze('Hello World')
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response.freeze()
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assert response.get_etag() == (generate_etag('Hello World'), False)
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response = WithoutFreeze('Hello World')
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response.freeze()
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assert response.get_etag() == (None, None)
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response = Response('Hello World')
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response.freeze()
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assert response.get_etag() == (None, None)
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def test_authenticate_mixin():
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"""Test the authenciate mixin of the response"""
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resp = Response()
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resp.www_authenticate.type = 'basic'
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resp.www_authenticate.realm = 'Testing'
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assert resp.headers['WWW-Authenticate'] == 'Basic realm="Testing"'
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resp.www_authenticate.realm = None
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resp.www_authenticate.type = None
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assert 'WWW-Authenticate' not in resp.headers
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def test_response_stream_mixin():
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"""Response stream response-wrapper mixin"""
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response = Response()
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response.stream.write('Hello ')
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response.stream.write('World!')
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assert response.response == ['Hello ', 'World!']
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assert response.data == 'Hello World!'
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def test_common_response_descriptors_mixin():
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"""Common response descriptors response-wrapper mixin"""
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response = Response()
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response.mimetype = 'text/html'
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assert response.mimetype == 'text/html'
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assert response.content_type == 'text/html; charset=utf-8'
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assert response.mimetype_params == {'charset': 'utf-8'}
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response.mimetype_params['x-foo'] = 'yep'
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del response.mimetype_params['charset']
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assert response.content_type == 'text/html; x-foo=yep'
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now = datetime.utcnow().replace(microsecond=0)
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assert response.content_length is None
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response.content_length = '42'
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assert response.content_length == 42
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for attr in 'date', 'age', 'expires':
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assert getattr(response, attr) is None
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setattr(response, attr, now)
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assert getattr(response, attr) == now
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assert response.retry_after is None
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response.retry_after = now
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assert response.retry_after == now
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assert not response.vary
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response.vary.add('Cookie')
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response.vary.add('Content-Language')
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assert 'cookie' in response.vary
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assert response.vary.to_header() == 'Cookie, Content-Language'
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response.headers['Vary'] = 'Content-Encoding'
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assert response.vary.as_set() == set(['content-encoding'])
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response.allow.update(['GET', 'POST'])
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assert response.headers['Allow'] == 'GET, POST'
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response.content_language.add('en-US')
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response.content_language.add('fr')
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assert response.headers['Content-Language'] == 'en-US, fr'
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def test_common_request_descriptors_mixin():
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"""Common request descriptors request-wrapper mixin"""
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request = Request.from_values(content_type='text/html; charset=utf-8',
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content_length='23',
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headers={
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'Referer': 'http://www.example.com/',
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'Date': 'Sat, 28 Feb 2009 19:04:35 GMT',
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'Max-Forwards': '10',
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'Pragma': 'no-cache'
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})
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assert request.content_type == 'text/html; charset=utf-8'
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assert request.mimetype == 'text/html'
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assert request.mimetype_params == {'charset': 'utf-8'}
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assert request.content_length == 23
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assert request.referrer == 'http://www.example.com/'
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assert request.date == datetime(2009, 2, 28, 19, 4, 35)
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assert request.max_forwards == 10
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assert 'no-cache' in request.pragma
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def test_shallow_mode():
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"""Request object shallow mode"""
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request = Request({'QUERY_STRING': 'foo=bar'}, shallow=True)
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assert request.args['foo'] == 'bar'
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assert_raises(RuntimeError, lambda: request.form['foo'])
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def test_form_parsing_failed():
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"""Form parsing failed calls method on request object"""
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errors = []
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class TestRequest(Request):
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def _form_parsing_failed(self, error):
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errors.append(error)
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data = (
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'--blah\r\n'
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)
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data = TestRequest.from_values(input_stream=StringIO(data),
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content_length=len(data),
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content_type='multipart/form-data; boundary=foo',
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method='POST')
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assert not data.files
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assert not data.form
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assert len(errors) == 1
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assert isinstance(errors[0], ValueError)
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def test_url_charset_reflection():
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"""Make sure the URL charset is the same as the charset by default"""
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req = Request.from_values()
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req.charset = 'utf-7'
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assert req.url_charset == 'utf-7'
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def test_response_streamed():
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"""Test the `is_streamed` property of a response"""
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r = Response()
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assert not r.is_streamed
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r = Response("Hello World")
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assert not r.is_streamed
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r = Response(["foo", "bar"])
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assert not r.is_streamed
|
|
def gen():
|
|
if 0:
|
|
yield None
|
|
r = Response(gen())
|
|
assert r.is_streamed
|
|
|
|
|
|
def test_response_freeze():
|
|
"""Response freezing"""
|
|
def generate():
|
|
yield "foo"
|
|
yield "bar"
|
|
resp = Response(generate())
|
|
resp.freeze()
|
|
assert resp.response == ['foo', 'bar']
|
|
assert resp.headers['content-length'] == '6'
|
|
|
|
|
|
def test_other_method_payload():
|
|
"""Stream limiting for unknown methods"""
|
|
data = 'Hello World'
|
|
req = Request.from_values(input_stream=StringIO(data),
|
|
content_length=len(data),
|
|
content_type='text/plain',
|
|
method='WHAT_THE_FUCK')
|
|
assert req.data == data
|
|
assert isinstance(req.stream, LimitedStream)
|
|
|
|
|
|
def test_urlfication():
|
|
"""Make sure Responses use URLs in headers"""
|
|
resp = Response()
|
|
resp.headers['Location'] = u'http://üser:pässword@☃.net/påth'
|
|
resp.headers['Content-Location'] = u'http://☃.net/'
|
|
headers = resp.get_wsgi_headers(create_environ())
|
|
assert headers['location'] == \
|
|
'http://%C3%BCser:p%C3%A4ssword@xn--n3h.net/p%C3%A5th'
|
|
assert headers['content-location'] == 'http://xn--n3h.net/'
|
|
|
|
|
|
def test_new_response_iterator_behavior():
|
|
"""New response iterator encoding behavior"""
|
|
req = Request.from_values()
|
|
resp = Response(u'Hello Wörld!')
|
|
|
|
def get_content_length(resp):
|
|
headers = Headers.linked(resp.get_wsgi_headers(req.environ))
|
|
return headers.get('content-length', type=int)
|
|
|
|
def generate_items():
|
|
yield "Hello "
|
|
yield u"Wörld!"
|
|
|
|
# werkzeug encodes when set to `data` now, which happens
|
|
# if a string is passed to the response object.
|
|
assert resp.response == [u'Hello Wörld!'.encode('utf-8')]
|
|
assert resp.data == u'Hello Wörld!'.encode('utf-8')
|
|
assert get_content_length(resp) == 13
|
|
assert not resp.is_streamed
|
|
assert resp.is_sequence
|
|
|
|
# try the same for manual assignment
|
|
resp.data = u'Wörd'
|
|
assert resp.response == [u'Wörd'.encode('utf-8')]
|
|
assert resp.data == u'Wörd'.encode('utf-8')
|
|
assert get_content_length(resp) == 5
|
|
assert not resp.is_streamed
|
|
assert resp.is_sequence
|
|
|
|
# automatic generator sequence conversion
|
|
resp.response = generate_items()
|
|
assert resp.is_streamed
|
|
assert not resp.is_sequence
|
|
assert resp.data == u'Hello Wörld!'.encode('utf-8')
|
|
assert resp.response == ['Hello ', u'Wörld!'.encode('utf-8')]
|
|
assert not resp.is_streamed
|
|
assert resp.is_sequence
|
|
|
|
# automatic generator sequence conversion
|
|
resp.response = generate_items()
|
|
resp.implicit_sequence_conversion = False
|
|
assert resp.is_streamed
|
|
assert not resp.is_sequence
|
|
assert_raises(RuntimeError, lambda: resp.data)
|
|
resp.make_sequence()
|
|
assert resp.data == u'Hello Wörld!'.encode('utf-8')
|
|
assert resp.response == ['Hello ', u'Wörld!'.encode('utf-8')]
|
|
assert not resp.is_streamed
|
|
assert resp.is_sequence
|
|
|
|
# stream makes it a list no matter how the conversion is set
|
|
for val in True, False:
|
|
resp.implicit_sequence_conversion = val
|
|
resp.response = ("foo", "bar")
|
|
assert resp.is_sequence
|
|
resp.stream.write('baz')
|
|
assert resp.response == ['foo', 'bar', 'baz']
|
|
|
|
|
|
def test_form_data_ordering():
|
|
"""Make sure that the wrapper support custom structures."""
|
|
class MyRequest(Request):
|
|
parameter_storage_class = ImmutableOrderedMultiDict
|
|
|
|
req = MyRequest.from_values('/?foo=1&bar=0&foo=3')
|
|
assert list(req.args) == ['foo', 'bar']
|
|
assert req.args.items(multi=True) == [
|
|
('foo', '1'),
|
|
('bar', '0'),
|
|
('foo', '3')
|
|
]
|
|
assert isinstance(req.args, ImmutableOrderedMultiDict)
|
|
assert isinstance(req.values, CombinedMultiDict)
|
|
assert req.values['foo'] == '1'
|
|
assert req.values.getlist('foo') == ['1', '3']
|
|
|
|
|
|
def test_storage_classes():
|
|
"""Test custom storage classes to be used for incoming data."""
|
|
class MyRequest(Request):
|
|
dict_storage_class = dict
|
|
list_storage_class = list
|
|
parameter_storage_class = dict
|
|
req = MyRequest.from_values('/?foo=baz', headers={
|
|
'Cookie': 'foo=bar'
|
|
})
|
|
assert type(req.cookies) is dict
|
|
assert req.cookies == {'foo': 'bar'}
|
|
assert type(req.access_route) is list
|
|
|
|
assert type(req.args) is dict
|
|
assert type(req.values) is CombinedMultiDict
|
|
assert req.values['foo'] == 'baz'
|
|
|
|
req = Request.from_values(headers={
|
|
'Cookie': 'foo=bar'
|
|
})
|
|
assert type(req.cookies) is ImmutableTypeConversionDict
|
|
assert req.cookies == {'foo': 'bar'}
|
|
assert type(req.access_route) is ImmutableList
|
|
|
|
MyRequest.list_storage_class = tuple
|
|
req = MyRequest.from_values()
|
|
assert type(req.access_route) is tuple
|
|
|
|
|
|
def test_response_headers_passthrough():
|
|
"""If headers are a Headers object they will be stored on the response"""
|
|
headers = Headers()
|
|
resp = Response(headers=headers)
|
|
assert resp.headers is headers
|