/usr/lib/python2.7/dist-packages/werkzeug/testsuite/wrappers.py is in python-werkzeug 0.9.4+dfsg-1.1ubuntu2.1.
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"""
werkzeug.testsuite.wrappers
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tests for the response and request objects.
:copyright: (c) 2013 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
import unittest
import pickle
from io import BytesIO
from datetime import datetime
from werkzeug._compat import iteritems
from werkzeug.testsuite import WerkzeugTestCase
from werkzeug import wrappers
from werkzeug.exceptions import SecurityError
from werkzeug.wsgi import LimitedStream
from werkzeug.datastructures import MultiDict, ImmutableOrderedMultiDict, \
ImmutableList, ImmutableTypeConversionDict, CharsetAccept, \
MIMEAccept, LanguageAccept, Accept, CombinedMultiDict
from werkzeug.test import Client, create_environ, run_wsgi_app
from werkzeug._compat import implements_iterator, text_type
class RequestTestResponse(wrappers.BaseResponse):
"""Subclass of the normal response class we use to test response
and base classes. Has some methods to test if things in the
response match.
"""
def __init__(self, response, status, headers):
wrappers.BaseResponse.__init__(self, response, status, headers)
self.body_data = pickle.loads(self.get_data())
def __getitem__(self, key):
return self.body_data[key]
def request_demo_app(environ, start_response):
request = wrappers.BaseRequest(environ)
assert 'werkzeug.request' in environ
start_response('200 OK', [('Content-Type', 'text/plain')])
return [pickle.dumps({
'args': request.args,
'args_as_list': list(request.args.lists()),
'form': request.form,
'form_as_list': list(request.form.lists()),
'environ': prepare_environ_pickle(request.environ),
'data': request.get_data()
})]
def prepare_environ_pickle(environ):
result = {}
for key, value in iteritems(environ):
try:
pickle.dumps((key, value))
except Exception:
continue
result[key] = value
return result
class WrappersTestCase(WerkzeugTestCase):
def assert_environ(self, environ, method):
self.assert_strict_equal(environ['REQUEST_METHOD'], method)
self.assert_strict_equal(environ['PATH_INFO'], '/')
self.assert_strict_equal(environ['SCRIPT_NAME'], '')
self.assert_strict_equal(environ['SERVER_NAME'], 'localhost')
self.assert_strict_equal(environ['wsgi.version'], (1, 0))
self.assert_strict_equal(environ['wsgi.url_scheme'], 'http')
def test_base_request(self):
client = Client(request_demo_app, RequestTestResponse)
# get requests
response = client.get('/?foo=bar&foo=hehe')
self.assert_strict_equal(response['args'], MultiDict([('foo', u'bar'), ('foo', u'hehe')]))
self.assert_strict_equal(response['args_as_list'], [('foo', [u'bar', u'hehe'])])
self.assert_strict_equal(response['form'], MultiDict())
self.assert_strict_equal(response['form_as_list'], [])
self.assert_strict_equal(response['data'], b'')
self.assert_environ(response['environ'], 'GET')
# post requests with form data
response = client.post('/?blub=blah', data='foo=blub+hehe&blah=42',
content_type='application/x-www-form-urlencoded')
self.assert_strict_equal(response['args'], MultiDict([('blub', u'blah')]))
self.assert_strict_equal(response['args_as_list'], [('blub', [u'blah'])])
self.assert_strict_equal(response['form'], MultiDict([('foo', u'blub hehe'), ('blah', u'42')]))
self.assert_strict_equal(response['data'], b'')
# currently we do not guarantee that the values are ordered correctly
# for post data.
## self.assert_strict_equal(response['form_as_list'], [('foo', ['blub hehe']), ('blah', ['42'])])
self.assert_environ(response['environ'], 'POST')
# patch requests with form data
response = client.patch('/?blub=blah', data='foo=blub+hehe&blah=42',
content_type='application/x-www-form-urlencoded')
self.assert_strict_equal(response['args'], MultiDict([('blub', u'blah')]))
self.assert_strict_equal(response['args_as_list'], [('blub', [u'blah'])])
self.assert_strict_equal(response['form'],
MultiDict([('foo', u'blub hehe'), ('blah', u'42')]))
self.assert_strict_equal(response['data'], b'')
self.assert_environ(response['environ'], 'PATCH')
# post requests with json data
json = b'{"foo": "bar", "blub": "blah"}'
response = client.post('/?a=b', data=json, content_type='application/json')
self.assert_strict_equal(response['data'], json)
self.assert_strict_equal(response['args'], MultiDict([('a', u'b')]))
self.assert_strict_equal(response['form'], MultiDict())
def test_query_string_is_bytes(self):
req = wrappers.Request.from_values(u'/?foo=%2f')
self.assert_strict_equal(req.query_string, b'foo=%2f')
def test_access_route(self):
req = wrappers.Request.from_values(headers={
'X-Forwarded-For': '192.168.1.2, 192.168.1.1'
})
req.environ['REMOTE_ADDR'] = '192.168.1.3'
self.assert_equal(req.access_route, ['192.168.1.2', '192.168.1.1'])
self.assert_strict_equal(req.remote_addr, '192.168.1.3')
req = wrappers.Request.from_values()
req.environ['REMOTE_ADDR'] = '192.168.1.3'
self.assert_strict_equal(list(req.access_route), ['192.168.1.3'])
def test_url_request_descriptors(self):
req = wrappers.Request.from_values('/bar?foo=baz', 'http://example.com/test')
self.assert_strict_equal(req.path, u'/bar')
self.assert_strict_equal(req.full_path, u'/bar?foo=baz')
self.assert_strict_equal(req.script_root, u'/test')
self.assert_strict_equal(req.url, u'http://example.com/test/bar?foo=baz')
self.assert_strict_equal(req.base_url, u'http://example.com/test/bar')
self.assert_strict_equal(req.url_root, u'http://example.com/test/')
self.assert_strict_equal(req.host_url, u'http://example.com/')
self.assert_strict_equal(req.host, 'example.com')
self.assert_strict_equal(req.scheme, 'http')
req = wrappers.Request.from_values('/bar?foo=baz', 'https://example.com/test')
self.assert_strict_equal(req.scheme, 'https')
def test_url_request_descriptors_query_quoting(self):
next = 'http%3A%2F%2Fwww.example.com%2F%3Fnext%3D%2F'
req = wrappers.Request.from_values('/bar?next=' + next, 'http://example.com/')
self.assert_equal(req.path, u'/bar')
self.assert_strict_equal(req.full_path, u'/bar?next=' + next)
self.assert_strict_equal(req.url, u'http://example.com/bar?next=' + next)
def test_url_request_descriptors_hosts(self):
req = wrappers.Request.from_values('/bar?foo=baz', 'http://example.com/test')
req.trusted_hosts = ['example.com']
self.assert_strict_equal(req.path, u'/bar')
self.assert_strict_equal(req.full_path, u'/bar?foo=baz')
self.assert_strict_equal(req.script_root, u'/test')
self.assert_strict_equal(req.url, u'http://example.com/test/bar?foo=baz')
self.assert_strict_equal(req.base_url, u'http://example.com/test/bar')
self.assert_strict_equal(req.url_root, u'http://example.com/test/')
self.assert_strict_equal(req.host_url, u'http://example.com/')
self.assert_strict_equal(req.host, 'example.com')
self.assert_strict_equal(req.scheme, 'http')
req = wrappers.Request.from_values('/bar?foo=baz', 'https://example.com/test')
self.assert_strict_equal(req.scheme, 'https')
req = wrappers.Request.from_values('/bar?foo=baz', 'http://example.com/test')
req.trusted_hosts = ['example.org']
self.assert_raises(SecurityError, lambda: req.url)
self.assert_raises(SecurityError, lambda: req.base_url)
self.assert_raises(SecurityError, lambda: req.url_root)
self.assert_raises(SecurityError, lambda: req.host_url)
self.assert_raises(SecurityError, lambda: req.host)
def test_authorization_mixin(self):
request = wrappers.Request.from_values(headers={
'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=='
})
a = request.authorization
self.assert_strict_equal(a.type, 'basic')
self.assert_strict_equal(a.username, 'Aladdin')
self.assert_strict_equal(a.password, 'open sesame')
def test_stream_only_mixing(self):
request = wrappers.PlainRequest.from_values(
data=b'foo=blub+hehe',
content_type='application/x-www-form-urlencoded'
)
self.assert_equal(list(request.files.items()), [])
self.assert_equal(list(request.form.items()), [])
self.assert_raises(AttributeError, lambda: request.data)
self.assert_strict_equal(request.stream.read(), b'foo=blub+hehe')
def test_base_response(self):
# unicode
response = wrappers.BaseResponse(u'öäü')
self.assert_strict_equal(response.get_data(), u'öäü'.encode('utf-8'))
# writing
response = wrappers.Response('foo')
response.stream.write('bar')
self.assert_strict_equal(response.get_data(), b'foobar')
# set cookie
response = wrappers.BaseResponse()
response.set_cookie('foo', 'bar', 60, 0, '/blub', 'example.org')
self.assert_strict_equal(response.headers.to_wsgi_list(), [
('Content-Type', 'text/plain; charset=utf-8'),
('Set-Cookie', 'foo=bar; Domain=example.org; Expires=Thu, '
'01-Jan-1970 00:00:00 GMT; Max-Age=60; Path=/blub')
])
# delete cookie
response = wrappers.BaseResponse()
response.delete_cookie('foo')
self.assert_strict_equal(response.headers.to_wsgi_list(), [
('Content-Type', 'text/plain; charset=utf-8'),
('Set-Cookie', 'foo=; Expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/')
])
# close call forwarding
closed = []
@implements_iterator
class Iterable(object):
def __next__(self):
raise StopIteration()
def __iter__(self):
return self
def close(self):
closed.append(True)
response = wrappers.BaseResponse(Iterable())
response.call_on_close(lambda: closed.append(True))
app_iter, status, headers = run_wsgi_app(response,
create_environ(),
buffered=True)
self.assert_strict_equal(status, '200 OK')
self.assert_strict_equal(''.join(app_iter), '')
self.assert_strict_equal(len(closed), 2)
# with statement
del closed[:]
response = wrappers.BaseResponse(Iterable())
with response:
pass
self.assert_equal(len(closed), 1)
def test_response_status_codes(self):
response = wrappers.BaseResponse()
response.status_code = 404
self.assert_strict_equal(response.status, '404 NOT FOUND')
response.status = '200 OK'
self.assert_strict_equal(response.status_code, 200)
response.status = '999 WTF'
self.assert_strict_equal(response.status_code, 999)
response.status_code = 588
self.assert_strict_equal(response.status_code, 588)
self.assert_strict_equal(response.status, '588 UNKNOWN')
response.status = 'wtf'
self.assert_strict_equal(response.status_code, 0)
self.assert_strict_equal(response.status, '0 wtf')
def test_type_forcing(self):
def wsgi_application(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/html')])
return ['Hello World!']
base_response = wrappers.BaseResponse('Hello World!', content_type='text/html')
class SpecialResponse(wrappers.Response):
def foo(self):
return 42
# good enough for this simple application, but don't ever use that in
# real world examples!
fake_env = {}
for orig_resp in wsgi_application, base_response:
response = SpecialResponse.force_type(orig_resp, fake_env)
assert response.__class__ is SpecialResponse
self.assert_strict_equal(response.foo(), 42)
self.assert_strict_equal(response.get_data(), b'Hello World!')
self.assert_equal(response.content_type, 'text/html')
# without env, no arbitrary conversion
self.assert_raises(TypeError, SpecialResponse.force_type, wsgi_application)
def test_accept_mixin(self):
request = wrappers.Request({
'HTTP_ACCEPT': 'text/xml,application/xml,application/xhtml+xml,'
'text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
'HTTP_ACCEPT_CHARSET': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
'HTTP_ACCEPT_ENCODING': 'gzip,deflate',
'HTTP_ACCEPT_LANGUAGE': 'en-us,en;q=0.5'
})
self.assert_equal(request.accept_mimetypes, MIMEAccept([
('text/xml', 1), ('image/png', 1), ('application/xml', 1),
('application/xhtml+xml', 1), ('text/html', 0.9),
('text/plain', 0.8), ('*/*', 0.5)
]))
self.assert_strict_equal(request.accept_charsets, CharsetAccept([
('ISO-8859-1', 1), ('utf-8', 0.7), ('*', 0.7)
]))
self.assert_strict_equal(request.accept_encodings, Accept([
('gzip', 1), ('deflate', 1)]))
self.assert_strict_equal(request.accept_languages, LanguageAccept([
('en-us', 1), ('en', 0.5)]))
request = wrappers.Request({'HTTP_ACCEPT': ''})
self.assert_strict_equal(request.accept_mimetypes, MIMEAccept())
def test_etag_request_mixin(self):
request = wrappers.Request({
'HTTP_CACHE_CONTROL': 'no-store, no-cache',
'HTTP_IF_MATCH': 'w/"foo", bar, "baz"',
'HTTP_IF_NONE_MATCH': 'w/"foo", bar, "baz"',
'HTTP_IF_MODIFIED_SINCE': 'Tue, 22 Jan 2008 11:18:44 GMT',
'HTTP_IF_UNMODIFIED_SINCE': 'Tue, 22 Jan 2008 11:18:44 GMT'
})
assert request.cache_control.no_store
assert request.cache_control.no_cache
for etags in request.if_match, request.if_none_match:
assert etags('bar')
assert etags.contains_raw('w/"foo"')
assert etags.contains_weak('foo')
assert not etags.contains('foo')
self.assert_equal(request.if_modified_since, datetime(2008, 1, 22, 11, 18, 44))
self.assert_equal(request.if_unmodified_since, datetime(2008, 1, 22, 11, 18, 44))
def test_user_agent_mixin(self):
user_agents = [
('Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.11) '
'Gecko/20071127 Firefox/2.0.0.11', 'firefox', 'macos', '2.0.0.11',
'en-US'),
('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; de-DE) Opera 8.54',
'opera', 'windows', '8.54', 'de-DE'),
('Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420 '
'(KHTML, like Gecko) Version/3.0 Mobile/1A543a Safari/419.3',
'safari', 'iphone', '419.3', 'en'),
('Bot Googlebot/2.1 ( http://www.googlebot.com/bot.html)',
'google', None, '2.1', None)
]
for ua, browser, platform, version, lang in user_agents:
request = wrappers.Request({'HTTP_USER_AGENT': ua})
self.assert_strict_equal(request.user_agent.browser, browser)
self.assert_strict_equal(request.user_agent.platform, platform)
self.assert_strict_equal(request.user_agent.version, version)
self.assert_strict_equal(request.user_agent.language, lang)
assert bool(request.user_agent)
self.assert_strict_equal(request.user_agent.to_header(), ua)
self.assert_strict_equal(str(request.user_agent), ua)
request = wrappers.Request({'HTTP_USER_AGENT': 'foo'})
assert not request.user_agent
def test_stream_wrapping(self):
class LowercasingStream(object):
def __init__(self, stream):
self._stream = stream
def read(self, size=-1):
return self._stream.read(size).lower()
def readline(self, size=-1):
return self._stream.readline(size).lower()
data = b'foo=Hello+World'
req = wrappers.Request.from_values('/', method='POST', data=data,
content_type='application/x-www-form-urlencoded')
req.stream = LowercasingStream(req.stream)
self.assert_equal(req.form['foo'], 'hello world')
def test_data_descriptor_triggers_parsing(self):
data = b'foo=Hello+World'
req = wrappers.Request.from_values('/', method='POST', data=data,
content_type='application/x-www-form-urlencoded')
self.assert_equal(req.data, b'')
self.assert_equal(req.form['foo'], u'Hello World')
def test_get_data_method_parsing_caching_behavior(self):
data = b'foo=Hello+World'
req = wrappers.Request.from_values('/', method='POST', data=data,
content_type='application/x-www-form-urlencoded')
# get_data() caches, so form stays available
self.assert_equal(req.get_data(), data)
self.assert_equal(req.form['foo'], u'Hello World')
self.assert_equal(req.get_data(), data)
# here we access the form data first, caching is bypassed
req = wrappers.Request.from_values('/', method='POST', data=data,
content_type='application/x-www-form-urlencoded')
self.assert_equal(req.form['foo'], u'Hello World')
self.assert_equal(req.get_data(), b'')
# Another case is uncached get data which trashes everything
req = wrappers.Request.from_values('/', method='POST', data=data,
content_type='application/x-www-form-urlencoded')
self.assert_equal(req.get_data(cache=False), data)
self.assert_equal(req.get_data(cache=False), b'')
self.assert_equal(req.form, {})
# Or we can implicitly start the form parser which is similar to
# the old .data behavior
req = wrappers.Request.from_values('/', method='POST', data=data,
content_type='application/x-www-form-urlencoded')
self.assert_equal(req.get_data(parse_form_data=True), b'')
self.assert_equal(req.form['foo'], u'Hello World')
def test_etag_response_mixin(self):
response = wrappers.Response('Hello World')
self.assert_equal(response.get_etag(), (None, None))
response.add_etag()
self.assert_equal(response.get_etag(), ('b10a8db164e0754105b7a99be72e3fe5', False))
assert not response.cache_control
response.cache_control.must_revalidate = True
response.cache_control.max_age = 60
response.headers['Content-Length'] = len(response.get_data())
assert response.headers['Cache-Control'] in ('must-revalidate, max-age=60',
'max-age=60, must-revalidate')
assert 'date' not in response.headers
env = create_environ()
env.update({
'REQUEST_METHOD': 'GET',
'HTTP_IF_NONE_MATCH': response.get_etag()[0]
})
response.make_conditional(env)
assert 'date' in response.headers
# after the thing is invoked by the server as wsgi application
# (we're emulating this here), there must not be any entity
# headers left and the status code would have to be 304
resp = wrappers.Response.from_app(response, env)
self.assert_equal(resp.status_code, 304)
assert not 'content-length' in resp.headers
# make sure date is not overriden
response = wrappers.Response('Hello World')
response.date = 1337
d = response.date
response.make_conditional(env)
self.assert_equal(response.date, d)
# make sure content length is only set if missing
response = wrappers.Response('Hello World')
response.content_length = 999
response.make_conditional(env)
self.assert_equal(response.content_length, 999)
def test_etag_response_mixin_freezing(self):
class WithFreeze(wrappers.ETagResponseMixin, wrappers.BaseResponse):
pass
class WithoutFreeze(wrappers.BaseResponse, wrappers.ETagResponseMixin):
pass
response = WithFreeze('Hello World')
response.freeze()
self.assert_strict_equal(response.get_etag(),
(text_type(wrappers.generate_etag(b'Hello World')), False))
response = WithoutFreeze('Hello World')
response.freeze()
self.assert_equal(response.get_etag(), (None, None))
response = wrappers.Response('Hello World')
response.freeze()
self.assert_equal(response.get_etag(), (None, None))
def test_authenticate_mixin(self):
resp = wrappers.Response()
resp.www_authenticate.type = 'basic'
resp.www_authenticate.realm = 'Testing'
self.assert_strict_equal(resp.headers['WWW-Authenticate'], u'Basic realm="Testing"')
resp.www_authenticate.realm = None
resp.www_authenticate.type = None
assert 'WWW-Authenticate' not in resp.headers
def test_response_stream_mixin(self):
response = wrappers.Response()
response.stream.write('Hello ')
response.stream.write('World!')
self.assert_equal(response.response, ['Hello ', 'World!'])
self.assert_equal(response.get_data(), b'Hello World!')
def test_common_response_descriptors_mixin(self):
response = wrappers.Response()
response.mimetype = 'text/html'
self.assert_equal(response.mimetype, 'text/html')
self.assert_equal(response.content_type, 'text/html; charset=utf-8')
self.assert_equal(response.mimetype_params, {'charset': 'utf-8'})
response.mimetype_params['x-foo'] = 'yep'
del response.mimetype_params['charset']
self.assert_equal(response.content_type, 'text/html; x-foo=yep')
now = datetime.utcnow().replace(microsecond=0)
assert response.content_length is None
response.content_length = '42'
self.assert_equal(response.content_length, 42)
for attr in 'date', 'age', 'expires':
assert getattr(response, attr) is None
setattr(response, attr, now)
self.assert_equal(getattr(response, attr), now)
assert response.retry_after is None
response.retry_after = now
self.assert_equal(response.retry_after, now)
assert not response.vary
response.vary.add('Cookie')
response.vary.add('Content-Language')
assert 'cookie' in response.vary
self.assert_equal(response.vary.to_header(), 'Cookie, Content-Language')
response.headers['Vary'] = 'Content-Encoding'
self.assert_equal(response.vary.as_set(), set(['content-encoding']))
response.allow.update(['GET', 'POST'])
self.assert_equal(response.headers['Allow'], 'GET, POST')
response.content_language.add('en-US')
response.content_language.add('fr')
self.assert_equal(response.headers['Content-Language'], 'en-US, fr')
def test_common_request_descriptors_mixin(self):
request = wrappers.Request.from_values(content_type='text/html; charset=utf-8',
content_length='23',
headers={
'Referer': 'http://www.example.com/',
'Date': 'Sat, 28 Feb 2009 19:04:35 GMT',
'Max-Forwards': '10',
'Pragma': 'no-cache',
'Content-Encoding': 'gzip',
'Content-MD5': '9a3bc6dbc47a70db25b84c6e5867a072'
})
self.assert_equal(request.content_type, 'text/html; charset=utf-8')
self.assert_equal(request.mimetype, 'text/html')
self.assert_equal(request.mimetype_params, {'charset': 'utf-8'})
self.assert_equal(request.content_length, 23)
self.assert_equal(request.referrer, 'http://www.example.com/')
self.assert_equal(request.date, datetime(2009, 2, 28, 19, 4, 35))
self.assert_equal(request.max_forwards, 10)
self.assert_true('no-cache' in request.pragma)
self.assert_equal(request.content_encoding, 'gzip')
self.assert_equal(request.content_md5, '9a3bc6dbc47a70db25b84c6e5867a072')
def test_shallow_mode(self):
request = wrappers.Request({'QUERY_STRING': 'foo=bar'}, shallow=True)
self.assert_equal(request.args['foo'], 'bar')
self.assert_raises(RuntimeError, lambda: request.form['foo'])
def test_form_parsing_failed(self):
data = (
b'--blah\r\n'
)
data = wrappers.Request.from_values(input_stream=BytesIO(data),
content_length=len(data),
content_type='multipart/form-data; boundary=foo',
method='POST')
assert not data.files
assert not data.form
def test_file_closing(self):
data = (b'--foo\r\n'
b'Content-Disposition: form-data; name="foo"; filename="foo.txt"\r\n'
b'Content-Type: text/plain; charset=utf-8\r\n\r\n'
b'file contents, just the contents\r\n'
b'--foo--')
req = wrappers.Request.from_values(
input_stream=BytesIO(data),
content_length=len(data),
content_type='multipart/form-data; boundary=foo',
method='POST'
)
foo = req.files['foo']
self.assert_equal(foo.mimetype, 'text/plain')
self.assert_equal(foo.filename, 'foo.txt')
self.assert_equal(foo.closed, False)
req.close()
self.assert_equal(foo.closed, True)
def test_file_closing_with(self):
data = (b'--foo\r\n'
b'Content-Disposition: form-data; name="foo"; filename="foo.txt"\r\n'
b'Content-Type: text/plain; charset=utf-8\r\n\r\n'
b'file contents, just the contents\r\n'
b'--foo--')
req = wrappers.Request.from_values(
input_stream=BytesIO(data),
content_length=len(data),
content_type='multipart/form-data; boundary=foo',
method='POST'
)
with req:
foo = req.files['foo']
self.assert_equal(foo.mimetype, 'text/plain')
self.assert_equal(foo.filename, 'foo.txt')
self.assert_equal(foo.closed, True)
def test_url_charset_reflection(self):
req = wrappers.Request.from_values()
req.charset = 'utf-7'
self.assert_equal(req.url_charset, 'utf-7')
def test_response_streamed(self):
r = wrappers.Response()
assert not r.is_streamed
r = wrappers.Response("Hello World")
assert not r.is_streamed
r = wrappers.Response(["foo", "bar"])
assert not r.is_streamed
def gen():
if 0:
yield None
r = wrappers.Response(gen())
assert r.is_streamed
def test_response_iter_wrapping(self):
def uppercasing(iterator):
for item in iterator:
yield item.upper()
def generator():
yield 'foo'
yield 'bar'
req = wrappers.Request.from_values()
resp = wrappers.Response(generator())
del resp.headers['Content-Length']
resp.response = uppercasing(resp.iter_encoded())
actual_resp = wrappers.Response.from_app(resp, req.environ, buffered=True)
self.assertEqual(actual_resp.get_data(), b'FOOBAR')
def test_response_freeze(self):
def generate():
yield "foo"
yield "bar"
resp = wrappers.Response(generate())
resp.freeze()
self.assert_equal(resp.response, [b'foo', b'bar'])
self.assert_equal(resp.headers['content-length'], '6')
def test_other_method_payload(self):
data = b'Hello World'
req = wrappers.Request.from_values(input_stream=BytesIO(data),
content_length=len(data),
content_type='text/plain',
method='WHAT_THE_FUCK')
self.assert_equal(req.get_data(), data)
self.assert_is_instance(req.stream, LimitedStream)
def test_urlfication(self):
resp = wrappers.Response()
resp.headers['Location'] = u'http://üser:pässword@☃.net/påth'
resp.headers['Content-Location'] = u'http://☃.net/'
headers = resp.get_wsgi_headers(create_environ())
self.assert_equal(headers['location'], \
'http://%C3%BCser:p%C3%A4ssword@xn--n3h.net/p%C3%A5th')
self.assert_equal(headers['content-location'], 'http://xn--n3h.net/')
def test_new_response_iterator_behavior(self):
req = wrappers.Request.from_values()
resp = wrappers.Response(u'Hello Wörld!')
def get_content_length(resp):
headers = 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.
self.assert_equal(resp.response, [u'Hello Wörld!'.encode('utf-8')])
self.assert_equal(resp.get_data(), u'Hello Wörld!'.encode('utf-8'))
self.assert_equal(get_content_length(resp), 13)
assert not resp.is_streamed
assert resp.is_sequence
# try the same for manual assignment
resp.set_data(u'Wörd')
self.assert_equal(resp.response, [u'Wörd'.encode('utf-8')])
self.assert_equal(resp.get_data(), u'Wörd'.encode('utf-8'))
self.assert_equal(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
self.assert_equal(resp.get_data(), u'Hello Wörld!'.encode('utf-8'))
self.assert_equal(resp.response, [b'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
self.assert_raises(RuntimeError, lambda: resp.get_data())
resp.make_sequence()
self.assert_equal(resp.get_data(), u'Hello Wörld!'.encode('utf-8'))
self.assert_equal(resp.response, [b'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')
self.assert_equal(resp.response, ['foo', 'bar', 'baz'])
def test_form_data_ordering(self):
class MyRequest(wrappers.Request):
parameter_storage_class = ImmutableOrderedMultiDict
req = MyRequest.from_values('/?foo=1&bar=0&foo=3')
self.assert_equal(list(req.args), ['foo', 'bar'])
self.assert_equal(list(req.args.items(multi=True)), [
('foo', '1'),
('bar', '0'),
('foo', '3')
])
self.assert_is_instance(req.args, ImmutableOrderedMultiDict)
self.assert_is_instance(req.values, CombinedMultiDict)
self.assert_equal(req.values['foo'], '1')
self.assert_equal(req.values.getlist('foo'), ['1', '3'])
def test_storage_classes(self):
class MyRequest(wrappers.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
self.assert_equal(req.cookies, {'foo': 'bar'})
assert type(req.access_route) is list
assert type(req.args) is dict
assert type(req.values) is CombinedMultiDict
self.assert_equal(req.values['foo'], u'baz')
req = wrappers.Request.from_values(headers={
'Cookie': 'foo=bar'
})
assert type(req.cookies) is ImmutableTypeConversionDict
self.assert_equal(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(self):
headers = wrappers.Headers()
resp = wrappers.Response(headers=headers)
assert resp.headers is headers
def test_response_304_no_content_length(self):
resp = wrappers.Response('Test', status=304)
env = create_environ()
assert 'content-length' not in resp.get_wsgi_headers(env)
def test_ranges(self):
# basic range stuff
req = wrappers.Request.from_values()
assert req.range is None
req = wrappers.Request.from_values(headers={'Range': 'bytes=0-499'})
self.assert_equal(req.range.ranges, [(0, 500)])
resp = wrappers.Response()
resp.content_range = req.range.make_content_range(1000)
self.assert_equal(resp.content_range.units, 'bytes')
self.assert_equal(resp.content_range.start, 0)
self.assert_equal(resp.content_range.stop, 500)
self.assert_equal(resp.content_range.length, 1000)
self.assert_equal(resp.headers['Content-Range'], 'bytes 0-499/1000')
resp.content_range.unset()
assert 'Content-Range' not in resp.headers
resp.headers['Content-Range'] = 'bytes 0-499/1000'
self.assert_equal(resp.content_range.units, 'bytes')
self.assert_equal(resp.content_range.start, 0)
self.assert_equal(resp.content_range.stop, 500)
self.assert_equal(resp.content_range.length, 1000)
def test_auto_content_length(self):
resp = wrappers.Response('Hello World!')
self.assert_equal(resp.content_length, 12)
resp = wrappers.Response(['Hello World!'])
assert resp.content_length is None
self.assert_equal(resp.get_wsgi_headers({})['Content-Length'], '12')
def test_disabled_auto_content_length(self):
class MyResponse(wrappers.Response):
automatically_set_content_length = False
resp = MyResponse('Hello World!')
self.assert_is_none(resp.content_length)
resp = MyResponse(['Hello World!'])
self.assert_is_none(resp.content_length)
self.assert_not_in('Content-Length', resp.get_wsgi_headers({}))
def test_location_header_autocorrect(self):
env = create_environ()
class MyResponse(wrappers.Response):
autocorrect_location_header = False
resp = MyResponse('Hello World!')
resp.headers['Location'] = '/test'
self.assert_equal(resp.get_wsgi_headers(env)['Location'], '/test')
resp = wrappers.Response('Hello World!')
resp.headers['Location'] = '/test'
self.assert_equal(resp.get_wsgi_headers(env)['Location'], 'http://localhost/test')
def test_modified_url_encoding(self):
class ModifiedRequest(wrappers.Request):
url_charset = 'euc-kr'
req = ModifiedRequest.from_values(u'/?foo=정상처리'.encode('euc-kr'))
self.assert_strict_equal(req.args['foo'], u'정상처리')
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(WrappersTestCase))
return suite
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