import time from datetime import datetime, timedelta from StringIO import StringIO from django.core.handlers.modpython import ModPythonRequest from django.core.handlers.wsgi import WSGIRequest, LimitedStream from django.http import HttpRequest, HttpResponse, parse_cookie from django.utils import unittest from django.utils.http import cookie_date class RequestsTests(unittest.TestCase): def test_httprequest(self): request = HttpRequest() self.assertEqual(request.GET.keys(), []) self.assertEqual(request.POST.keys(), []) self.assertEqual(request.COOKIES.keys(), []) self.assertEqual(request.META.keys(), []) def test_wsgirequest(self): request = WSGIRequest({'PATH_INFO': 'bogus', 'REQUEST_METHOD': 'bogus', 'wsgi.input': StringIO('')}) self.assertEqual(request.GET.keys(), []) self.assertEqual(request.POST.keys(), []) self.assertEqual(request.COOKIES.keys(), []) self.assertEqual(set(request.META.keys()), set(['PATH_INFO', 'REQUEST_METHOD', 'SCRIPT_NAME', 'wsgi.input'])) self.assertEqual(request.META['PATH_INFO'], 'bogus') self.assertEqual(request.META['REQUEST_METHOD'], 'bogus') self.assertEqual(request.META['SCRIPT_NAME'], '') def test_modpythonrequest(self): class FakeModPythonRequest(ModPythonRequest): def __init__(self, *args, **kwargs): super(FakeModPythonRequest, self).__init__(*args, **kwargs) self._get = self._post = self._meta = self._cookies = {} class Dummy: def get_options(self): return {} req = Dummy() req.uri = 'bogus' request = FakeModPythonRequest(req) self.assertEqual(request.path, 'bogus') self.assertEqual(request.GET.keys(), []) self.assertEqual(request.POST.keys(), []) self.assertEqual(request.COOKIES.keys(), []) self.assertEqual(request.META.keys(), []) def test_parse_cookie(self): self.assertEqual(parse_cookie('invalid:key=true'), {}) def test_httprequest_location(self): request = HttpRequest() self.assertEqual(request.build_absolute_uri(location="https://www.example.com/asdf"), 'https://www.example.com/asdf') request.get_host = lambda: 'www.example.com' request.path = '' self.assertEqual(request.build_absolute_uri(location="/path/with:colons"), 'http://www.example.com/path/with:colons') def test_near_expiration(self): "Cookie will expire when an near expiration time is provided" response = HttpResponse() # There is a timing weakness in this test; The # expected result for max-age requires that there be # a very slight difference between the evaluated expiration # time, and the time evaluated in set_cookie(). If this # difference doesn't exist, the cookie time will be # 1 second larger. To avoid the problem, put in a quick sleep, # which guarantees that there will be a time difference. expires = datetime.utcnow() + timedelta(seconds=10) time.sleep(0.001) response.set_cookie('datetime', expires=expires) datetime_cookie = response.cookies['datetime'] self.assertEqual(datetime_cookie['max-age'], 10) def test_far_expiration(self): "Cookie will expire when an distant expiration time is provided" response = HttpResponse() response.set_cookie('datetime', expires=datetime(2028, 1, 1, 4, 5, 6)) datetime_cookie = response.cookies['datetime'] self.assertEqual(datetime_cookie['expires'], 'Sat, 01-Jan-2028 04:05:06 GMT') def test_max_age_expiration(self): "Cookie will expire if max_age is provided" response = HttpResponse() response.set_cookie('max_age', max_age=10) max_age_cookie = response.cookies['max_age'] self.assertEqual(max_age_cookie['max-age'], 10) self.assertEqual(max_age_cookie['expires'], cookie_date(time.time()+10)) def test_limited_stream(self): # Read all of a limited stream stream = LimitedStream(StringIO('test'), 2) self.assertEqual(stream.read(), 'te') # Read a number of characters greater than the stream has to offer stream = LimitedStream(StringIO('test'), 2) self.assertEqual(stream.read(5), 'te') # Read sequentially from a stream stream = LimitedStream(StringIO('12345678'), 8) self.assertEqual(stream.read(5), '12345') self.assertEqual(stream.read(5), '678') # Read lines from a stream stream = LimitedStream(StringIO('1234\n5678\nabcd\nefgh\nijkl'), 24) # Read a full line, unconditionally self.assertEqual(stream.readline(), '1234\n') # Read a number of characters less than a line self.assertEqual(stream.readline(2), '56') # Read the rest of the partial line self.assertEqual(stream.readline(), '78\n') # Read a full line, with a character limit greater than the line length self.assertEqual(stream.readline(6), 'abcd\n') # Read the next line, deliberately terminated at the line end self.assertEqual(stream.readline(4), 'efgh') # Read the next line... just the line end self.assertEqual(stream.readline(), '\n') # Read everything else. self.assertEqual(stream.readline(), 'ijkl') def test_stream(self): request = WSGIRequest({'REQUEST_METHOD': 'POST', 'wsgi.input': StringIO('name=value')}) self.assertEqual(request.read(), 'name=value') def test_read_after_value(self): """ Reading from request is allowed after accessing request contents as POST or raw_post_data. """ request = WSGIRequest({'REQUEST_METHOD': 'POST', 'wsgi.input': StringIO('name=value')}) self.assertEqual(request.POST, {u'name': [u'value']}) self.assertEqual(request.raw_post_data, 'name=value') self.assertEqual(request.read(), 'name=value') def test_value_after_read(self): """ Construction of POST or raw_post_data is not allowed after reading from request. """ request = WSGIRequest({'REQUEST_METHOD': 'POST', 'wsgi.input': StringIO('name=value')}) self.assertEqual(request.read(2), 'na') self.assertRaises(Exception, lambda: request.raw_post_data) self.assertEqual(request.POST, {}) def test_read_by_lines(self): request = WSGIRequest({'REQUEST_METHOD': 'POST', 'wsgi.input': StringIO('name=value')}) self.assertEqual(list(request), ['name=value'])