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import pytest
from webob.request import Request
from webob.compat import bytes_
def test_request_no_method():
assert Request({}).method == 'GET'
def test_request_read_no_content_length():
req, input = _make_read_tracked_request(b'abc', 'FOO')
assert req.content_length is None
assert req.body == b''
assert not input.was_read
def test_request_read_no_content_length_POST():
req, input = _make_read_tracked_request(b'abc', 'POST')
assert req.content_length is None
assert req.body == b''
assert not input.was_read
def test_request_read_no_content_length_DELETE():
req, input = _make_read_tracked_request(b'abc', 'DELETE')
assert req.content_length is None
assert req.body == b''
assert not input.was_read
def test_request_read_no_flag_but_content_length_is_present():
req, input = _make_read_tracked_request(b'abc')
req.content_length = 3
assert req.body == b'abc'
assert input.was_read
def test_request_read_no_content_length_but_flagged_readable():
req, input = _make_read_tracked_request(b'abc')
req.is_body_readable = True
assert req.body == b'abc'
assert input.was_read
def test_request_read_after_setting_body_file():
req = _make_read_tracked_request()[0]
input = req.body_file = ReadTracker(b'abc')
assert req.content_length is None
assert not req.is_body_seekable
assert req.body == b'abc'
# reading body made the input seekable and set the clen
assert req.content_length == 3
assert req.is_body_seekable
assert input.was_read
def test_request_readlines():
req = Request.blank('/', POST='a\n'*3)
req.is_body_seekable = False
assert req.body_file.readlines() == [b'a\n'] * 3
def test_request_delete_with_body():
req = Request.blank('/', method='DELETE')
assert not req.is_body_readable
req.body = b'abc'
assert req.is_body_readable
assert req.body_file.read() == b'abc'
def _make_read_tracked_request(data='', method='PUT'):
input = ReadTracker(data)
env = {
'REQUEST_METHOD': method,
'wsgi.input': input,
}
return Request(env), input
class ReadTracker(object):
"""
Helper object to determine if the input was read or not
"""
def __init__(self, data):
self.data = data
self.was_read = False
def read(self, size=-1):
if size < 0 or size > len(self.data):
size = len(self.data)
if self.was_read:
return b''
self.was_read = True
return self.data
def test_limited_length_file_repr():
req = Request.blank('/', POST='x')
req.body_file_raw = 'dummy'
req.is_body_seekable = False
assert repr(req.body_file.raw), "<LimitedLengthFile('dummy' == maxlen=1)>"
def test_request_wrong_clen(is_seekable=False):
tlen = 1<<20
req = Request.blank('/', POST='x'*tlen)
assert req.content_length == tlen
req.body_file = _Helper_test_request_wrong_clen(req.body_file)
assert req.content_length == None
req.content_length = tlen + 100
req.is_body_seekable = is_seekable
assert req.content_length == tlen+100
# this raises AssertionError if the body reading
# trusts content_length too much
with pytest.raises(IOError):
req.copy_body()
def test_request_wrong_clen_seekable():
test_request_wrong_clen(is_seekable=True)
class _Helper_test_request_wrong_clen(object):
def __init__(self, f):
self.f = f
self.file_ended = False
def read(self, *args):
r = self.f.read(*args)
if not r:
if self.file_ended:
raise AssertionError("Reading should stop after first empty string")
self.file_ended = True
return r
def seek(self, pos):
pass
def test_disconnect_detection_cgi():
data = 'abc'*(1<<20)
req = Request.blank('/', POST={'file':('test-file', data)})
req.is_body_seekable = False
req.POST # should not raise exceptions
def test_disconnect_detection_hinted_readline():
data = 'abc'*(1<<20)
req = Request.blank('/', POST=data)
req.is_body_seekable = False
line = req.body_file.readline(1<<16)
assert line
assert bytes_(data).startswith(line)
def test_charset_in_content_type():
# should raise no exception
req = Request({
'REQUEST_METHOD': 'POST',
'QUERY_STRING':'a=b',
'CONTENT_TYPE':'text/html;charset=ascii'
})
assert req.charset == 'ascii'
assert dict(req.GET) == {'a': 'b'}
assert dict(req.POST) == {}
req.charset = 'ascii' # no exception
with pytest.raises(DeprecationWarning):
setattr(req, 'charset', 'utf-8')
# again no exception
req = Request({
'REQUEST_METHOD': 'POST',
'QUERY_STRING':'a=b',
'CONTENT_TYPE':'multipart/form-data;charset=ascii'
})
assert req.charset == 'ascii'
assert dict(req.GET) == {'a': 'b'}
with pytest.raises(DeprecationWarning):
getattr(req, 'POST')
def test_json_body_invalid_json():
request = Request.blank('/', POST=b'{')
with pytest.raises(ValueError):
getattr(request, 'json_body')
def test_json_body_valid_json():
request = Request.blank('/', POST=b'{"a":1}')
assert request.json_body == {'a':1}
def test_json_body_alternate_charset():
import json
body = (b'\xff\xfe{\x00"\x00a\x00"\x00:\x00 \x00"\x00/\x00\\\x00u\x006\x00d\x004\x001\x00'
b'\\\x00u\x008\x008\x004\x00c\x00\\\x00u\x008\x00d\x008\x00b\x00\\\x00u\x005\x002\x00'
b'b\x00f\x00"\x00}\x00'
)
request = Request.blank('/', POST=body)
request.content_type = 'application/json; charset=utf-16'
s = request.json_body['a']
assert s.encode('utf8') == b'/\xe6\xb5\x81\xe8\xa1\x8c\xe8\xb6\x8b\xe5\x8a\xbf'
def test_json_body_GET_request():
request = Request.blank('/')
with pytest.raises(ValueError):
getattr(request, 'json_body')
def test_non_ascii_body_params():
body = b'test=%D1%82%D0%B5%D1%81%D1%82'
req = Request.blank('/', POST=body)
# acessing params parses request body
req.params
# accessing body again makes the POST dict serialize again
# make sure it can handle the non-ascii characters in the query
assert req.body == body
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