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import unittest
from urllib3._collections import (
HTTPHeaderDict,
RecentlyUsedContainer as Container
)
import six
xrange = six.moves.xrange
from nose.plugins.skip import SkipTest
class TestLRUContainer(unittest.TestCase):
def test_maxsize(self):
d = Container(5)
for i in xrange(5):
d[i] = str(i)
self.assertEqual(len(d), 5)
for i in xrange(5):
self.assertEqual(d[i], str(i))
d[i+1] = str(i+1)
self.assertEqual(len(d), 5)
self.assertFalse(0 in d)
self.assertTrue(i+1 in d)
def test_expire(self):
d = Container(5)
for i in xrange(5):
d[i] = str(i)
for i in xrange(5):
d.get(0)
# Add one more entry
d[5] = '5'
# Check state
self.assertEqual(list(d.keys()), [2, 3, 4, 0, 5])
def test_same_key(self):
d = Container(5)
for i in xrange(10):
d['foo'] = i
self.assertEqual(list(d.keys()), ['foo'])
self.assertEqual(len(d), 1)
def test_access_ordering(self):
d = Container(5)
for i in xrange(10):
d[i] = True
# Keys should be ordered by access time
self.assertEqual(list(d.keys()), [5, 6, 7, 8, 9])
new_order = [7,8,6,9,5]
for k in new_order:
d[k]
self.assertEqual(list(d.keys()), new_order)
def test_delete(self):
d = Container(5)
for i in xrange(5):
d[i] = True
del d[0]
self.assertFalse(0 in d)
d.pop(1)
self.assertFalse(1 in d)
d.pop(1, None)
def test_get(self):
d = Container(5)
for i in xrange(5):
d[i] = True
r = d.get(4)
self.assertEqual(r, True)
r = d.get(5)
self.assertEqual(r, None)
r = d.get(5, 42)
self.assertEqual(r, 42)
self.assertRaises(KeyError, lambda: d[5])
def test_disposal(self):
evicted_items = []
def dispose_func(arg):
# Save the evicted datum for inspection
evicted_items.append(arg)
d = Container(5, dispose_func=dispose_func)
for i in xrange(5):
d[i] = i
self.assertEqual(list(d.keys()), list(xrange(5)))
self.assertEqual(evicted_items, []) # Nothing disposed
d[5] = 5
self.assertEqual(list(d.keys()), list(xrange(1, 6)))
self.assertEqual(evicted_items, [0])
del d[1]
self.assertEqual(evicted_items, [0, 1])
d.clear()
self.assertEqual(evicted_items, [0, 1, 2, 3, 4, 5])
def test_iter(self):
d = Container()
self.assertRaises(NotImplementedError, d.__iter__)
class NonMappingHeaderContainer(object):
def __init__(self, **kwargs):
self._data = {}
self._data.update(kwargs)
def keys(self):
return self._data.keys()
def __getitem__(self, key):
return self._data[key]
class TestHTTPHeaderDict(unittest.TestCase):
def setUp(self):
self.d = HTTPHeaderDict(Cookie='foo')
self.d.add('cookie', 'bar')
def test_create_from_kwargs(self):
h = HTTPHeaderDict(ab=1, cd=2, ef=3, gh=4)
self.assertEqual(len(h), 4)
self.assertTrue('ab' in h)
def test_create_from_dict(self):
h = HTTPHeaderDict(dict(ab=1, cd=2, ef=3, gh=4))
self.assertEqual(len(h), 4)
self.assertTrue('ab' in h)
def test_create_from_iterator(self):
teststr = 'urllib3ontherocks'
h = HTTPHeaderDict((c, c*5) for c in teststr)
self.assertEqual(len(h), len(set(teststr)))
def test_create_from_list(self):
h = HTTPHeaderDict([('ab', 'A'), ('cd', 'B'), ('cookie', 'C'), ('cookie', 'D'), ('cookie', 'E')])
self.assertEqual(len(h), 3)
self.assertTrue('ab' in h)
clist = h.getlist('cookie')
self.assertEqual(len(clist), 3)
self.assertEqual(clist[0], 'C')
self.assertEqual(clist[-1], 'E')
def test_create_from_headerdict(self):
org = HTTPHeaderDict([('ab', 'A'), ('cd', 'B'), ('cookie', 'C'), ('cookie', 'D'), ('cookie', 'E')])
h = HTTPHeaderDict(org)
self.assertEqual(len(h), 3)
self.assertTrue('ab' in h)
clist = h.getlist('cookie')
self.assertEqual(len(clist), 3)
self.assertEqual(clist[0], 'C')
self.assertEqual(clist[-1], 'E')
self.assertFalse(h is org)
self.assertEqual(h, org)
def test_setitem(self):
self.d['Cookie'] = 'foo'
self.assertEqual(self.d['cookie'], 'foo')
self.d['cookie'] = 'with, comma'
self.assertEqual(self.d.getlist('cookie'), ['with, comma'])
def test_update(self):
self.d.update(dict(Cookie='foo'))
self.assertEqual(self.d['cookie'], 'foo')
self.d.update(dict(cookie='with, comma'))
self.assertEqual(self.d.getlist('cookie'), ['with, comma'])
def test_delitem(self):
del self.d['cookie']
self.assertFalse('cookie' in self.d)
self.assertFalse('COOKIE' in self.d)
def test_add_well_known_multiheader(self):
self.d.add('COOKIE', 'asdf')
self.assertEqual(self.d.getlist('cookie'), ['foo', 'bar', 'asdf'])
self.assertEqual(self.d['cookie'], 'foo, bar, asdf')
def test_add_comma_separated_multiheader(self):
self.d.add('bar', 'foo')
self.d.add('BAR', 'bar')
self.d.add('Bar', 'asdf')
self.assertEqual(self.d.getlist('bar'), ['foo', 'bar', 'asdf'])
self.assertEqual(self.d['bar'], 'foo, bar, asdf')
def test_extend_from_list(self):
self.d.extend([('set-cookie', '100'), ('set-cookie', '200'), ('set-cookie', '300')])
self.assertEqual(self.d['set-cookie'], '100, 200, 300')
def test_extend_from_dict(self):
self.d.extend(dict(cookie='asdf'), b='100')
self.assertEqual(self.d['cookie'], 'foo, bar, asdf')
self.assertEqual(self.d['b'], '100')
self.d.add('cookie', 'with, comma')
self.assertEqual(self.d.getlist('cookie'), ['foo', 'bar', 'asdf', 'with, comma'])
def test_extend_from_container(self):
h = NonMappingHeaderContainer(Cookie='foo', e='foofoo')
self.d.extend(h)
self.assertEqual(self.d['cookie'], 'foo, bar, foo')
self.assertEqual(self.d['e'], 'foofoo')
self.assertEqual(len(self.d), 2)
def test_extend_from_headerdict(self):
h = HTTPHeaderDict(Cookie='foo', e='foofoo')
self.d.extend(h)
self.assertEqual(self.d['cookie'], 'foo, bar, foo')
self.assertEqual(self.d['e'], 'foofoo')
self.assertEqual(len(self.d), 2)
def test_copy(self):
h = self.d.copy()
self.assertTrue(self.d is not h)
self.assertEqual(self.d, h)
def test_getlist(self):
self.assertEqual(self.d.getlist('cookie'), ['foo', 'bar'])
self.assertEqual(self.d.getlist('Cookie'), ['foo', 'bar'])
self.assertEqual(self.d.getlist('b'), [])
self.d.add('b', 'asdf')
self.assertEqual(self.d.getlist('b'), ['asdf'])
def test_getlist_after_copy(self):
self.assertEqual(self.d.getlist('cookie'), HTTPHeaderDict(self.d).getlist('cookie'))
def test_equal(self):
b = HTTPHeaderDict(cookie='foo, bar')
c = NonMappingHeaderContainer(cookie='foo, bar')
self.assertEqual(self.d, b)
self.assertEqual(self.d, c)
self.assertNotEqual(self.d, 2)
def test_not_equal(self):
b = HTTPHeaderDict(cookie='foo, bar')
c = NonMappingHeaderContainer(cookie='foo, bar')
self.assertFalse(self.d != b)
self.assertFalse(self.d != c)
self.assertNotEqual(self.d, 2)
def test_pop(self):
key = 'Cookie'
a = self.d[key]
b = self.d.pop(key)
self.assertEqual(a, b)
self.assertFalse(key in self.d)
self.assertRaises(KeyError, self.d.pop, key)
dummy = object()
self.assertTrue(dummy is self.d.pop(key, dummy))
def test_discard(self):
self.d.discard('cookie')
self.assertFalse('cookie' in self.d)
self.d.discard('cookie')
def test_len(self):
self.assertEqual(len(self.d), 1)
self.d.add('cookie', 'bla')
self.d.add('asdf', 'foo')
# len determined by unique fieldnames
self.assertEqual(len(self.d), 2)
def test_repr(self):
rep = "HTTPHeaderDict({'Cookie': 'foo, bar'})"
self.assertEqual(repr(self.d), rep)
def test_items(self):
items = self.d.items()
self.assertEqual(len(items), 2)
self.assertEqual(items[0][0], 'Cookie')
self.assertEqual(items[0][1], 'foo')
self.assertEqual(items[1][0], 'Cookie')
self.assertEqual(items[1][1], 'bar')
def test_dict_conversion(self):
# Also tested in connectionpool, needs to preserve case
hdict = {'Content-Length': '0', 'Content-type': 'text/plain', 'Server': 'TornadoServer/1.2.3'}
h = dict(HTTPHeaderDict(hdict).items())
self.assertEqual(hdict, h)
self.assertEqual(hdict, dict(HTTPHeaderDict(hdict)))
def test_string_enforcement(self):
# This currently throws AttributeError on key.lower(), should probably be something nicer
self.assertRaises(Exception, self.d.__setitem__, 3, 5)
self.assertRaises(Exception, self.d.add, 3, 4)
self.assertRaises(Exception, self.d.__delitem__, 3)
self.assertRaises(Exception, HTTPHeaderDict, {3: 3})
def test_from_httplib_py2(self):
if six.PY3:
raise SkipTest("python3 has a different internal header implementation")
msg = """
Server: nginx
Content-Type: text/html; charset=windows-1251
Connection: keep-alive
X-Some-Multiline: asdf
asdf
asdf
Set-Cookie: bb_lastvisit=1348253375; expires=Sat, 21-Sep-2013 18:49:35 GMT; path=/
Set-Cookie: bb_lastactivity=0; expires=Sat, 21-Sep-2013 18:49:35 GMT; path=/
www-authenticate: asdf
www-authenticate: bla
"""
buffer = six.moves.StringIO(msg.lstrip().replace('\n', '\r\n'))
msg = six.moves.http_client.HTTPMessage(buffer)
d = HTTPHeaderDict.from_httplib(msg)
self.assertEqual(d['server'], 'nginx')
cookies = d.getlist('set-cookie')
self.assertEqual(len(cookies), 2)
self.assertTrue(cookies[0].startswith("bb_lastvisit"))
self.assertTrue(cookies[1].startswith("bb_lastactivity"))
self.assertEqual(d['x-some-multiline'].split(), ['asdf', 'asdf', 'asdf'])
self.assertEqual(d['www-authenticate'], 'asdf, bla')
self.assertEqual(d.getlist('www-authenticate'), ['asdf', 'bla'])
if __name__ == '__main__':
unittest.main()
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