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import pytest
from urllib3._collections import HTTPHeaderDict
from urllib3._collections import RecentlyUsedContainer as Container
from urllib3.exceptions import InvalidHeader
import six
xrange = six.moves.xrange
class TestLRUContainer(object):
def test_maxsize(self):
d = Container(5)
for i in xrange(5):
d[i] = str(i)
assert len(d) == 5
for i in xrange(5):
assert d[i] == str(i)
d[i + 1] = str(i + 1)
assert len(d) == 5
assert 0 not in d
assert (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
assert list(d.keys()) == [2, 3, 4, 0, 5]
def test_same_key(self):
d = Container(5)
for i in xrange(10):
d["foo"] = i
assert list(d.keys()) == ["foo"]
assert 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
assert list(d.keys()) == [5, 6, 7, 8, 9]
new_order = [7, 8, 6, 9, 5]
for k in new_order:
d[k]
assert list(d.keys()) == new_order
def test_delete(self):
d = Container(5)
for i in xrange(5):
d[i] = True
del d[0]
assert 0 not in d
d.pop(1)
assert 1 not 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)
assert r is True
r = d.get(5)
assert r is None
r = d.get(5, 42)
assert r == 42
with pytest.raises(KeyError):
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
assert list(d.keys()) == list(xrange(5))
assert evicted_items == [] # Nothing disposed
d[5] = 5
assert list(d.keys()) == list(xrange(1, 6))
assert evicted_items == [0]
del d[1]
assert evicted_items == [0, 1]
d.clear()
assert evicted_items == [0, 1, 2, 3, 4, 5]
def test_iter(self):
d = Container()
with pytest.raises(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]
@pytest.fixture()
def d():
header_dict = HTTPHeaderDict(Cookie="foo")
header_dict.add("cookie", "bar")
return header_dict
class TestHTTPHeaderDict(object):
def test_create_from_kwargs(self):
h = HTTPHeaderDict(ab=1, cd=2, ef=3, gh=4)
assert len(h) == 4
assert "ab" in h
def test_create_from_dict(self):
h = HTTPHeaderDict(dict(ab=1, cd=2, ef=3, gh=4))
assert len(h) == 4
assert "ab" in h
def test_create_from_iterator(self):
teststr = "urllib3ontherocks"
h = HTTPHeaderDict((c, c * 5) for c in teststr)
assert len(h) == len(set(teststr))
def test_create_from_list(self):
headers = [
("ab", "A"),
("cd", "B"),
("cookie", "C"),
("cookie", "D"),
("cookie", "E"),
]
h = HTTPHeaderDict(headers)
assert len(h) == 3
assert "ab" in h
clist = h.getlist("cookie")
assert len(clist) == 3
assert clist[0] == "C"
assert clist[-1] == "E"
def test_create_from_headerdict(self):
headers = [
("ab", "A"),
("cd", "B"),
("cookie", "C"),
("cookie", "D"),
("cookie", "E"),
]
org = HTTPHeaderDict(headers)
h = HTTPHeaderDict(org)
assert len(h) == 3
assert "ab" in h
clist = h.getlist("cookie")
assert len(clist) == 3
assert clist[0] == "C"
assert clist[-1] == "E"
assert h is not org
assert h == org
def test_setitem(self, d):
d["Cookie"] = "foo"
assert d["cookie"] == "foo"
d["cookie"] = "with, comma"
assert d.getlist("cookie") == ["with, comma"]
def test_update(self, d):
d.update(dict(Cookie="foo"))
assert d["cookie"] == "foo"
d.update(dict(cookie="with, comma"))
assert d.getlist("cookie") == ["with, comma"]
def test_delitem(self, d):
del d["cookie"]
assert "cookie" not in d
assert "COOKIE" not in d
def test_add_well_known_multiheader(self, d):
d.add("COOKIE", "asdf")
assert d.getlist("cookie") == ["foo", "bar", "asdf"]
assert d["cookie"] == "foo, bar, asdf"
def test_add_comma_separated_multiheader(self, d):
d.add("bar", "foo")
d.add("BAR", "bar")
d.add("Bar", "asdf")
assert d.getlist("bar") == ["foo", "bar", "asdf"]
assert d["bar"] == "foo, bar, asdf"
def test_extend_from_list(self, d):
d.extend([("set-cookie", "100"), ("set-cookie", "200"), ("set-cookie", "300")])
assert d["set-cookie"] == "100, 200, 300"
def test_extend_from_dict(self, d):
d.extend(dict(cookie="asdf"), b="100")
assert d["cookie"] == "foo, bar, asdf"
assert d["b"] == "100"
d.add("cookie", "with, comma")
assert d.getlist("cookie") == ["foo", "bar", "asdf", "with, comma"]
def test_extend_from_container(self, d):
h = NonMappingHeaderContainer(Cookie="foo", e="foofoo")
d.extend(h)
assert d["cookie"] == "foo, bar, foo"
assert d["e"] == "foofoo"
assert len(d) == 2
def test_extend_from_headerdict(self, d):
h = HTTPHeaderDict(Cookie="foo", e="foofoo")
d.extend(h)
assert d["cookie"] == "foo, bar, foo"
assert d["e"] == "foofoo"
assert len(d) == 2
@pytest.mark.parametrize("args", [(1, 2), (1, 2, 3, 4, 5)])
def test_extend_with_wrong_number_of_args_is_typeerror(self, d, args):
with pytest.raises(TypeError) as err:
d.extend(*args)
assert "extend() takes at most 1 positional arguments" in err.value.args[0]
def test_copy(self, d):
h = d.copy()
assert d is not h
assert d == h
def test_getlist(self, d):
assert d.getlist("cookie") == ["foo", "bar"]
assert d.getlist("Cookie") == ["foo", "bar"]
assert d.getlist("b") == []
d.add("b", "asdf")
assert d.getlist("b") == ["asdf"]
def test_getlist_after_copy(self, d):
assert d.getlist("cookie") == HTTPHeaderDict(d).getlist("cookie")
def test_equal(self, d):
b = HTTPHeaderDict(cookie="foo, bar")
c = NonMappingHeaderContainer(cookie="foo, bar")
assert d == b
assert d == c
assert d != 2
def test_not_equal(self, d):
b = HTTPHeaderDict(cookie="foo, bar")
c = NonMappingHeaderContainer(cookie="foo, bar")
assert not (d != b)
assert not (d != c)
assert d != 2
def test_pop(self, d):
key = "Cookie"
a = d[key]
b = d.pop(key)
assert a == b
assert key not in d
with pytest.raises(KeyError):
d.pop(key)
dummy = object()
assert dummy is d.pop(key, dummy)
def test_discard(self, d):
d.discard("cookie")
assert "cookie" not in d
d.discard("cookie")
def test_len(self, d):
assert len(d) == 1
d.add("cookie", "bla")
d.add("asdf", "foo")
# len determined by unique fieldnames
assert len(d) == 2
def test_repr(self, d):
rep = "HTTPHeaderDict({'Cookie': 'foo, bar'})"
assert repr(d) == rep
def test_items(self, d):
items = d.items()
assert len(items) == 2
assert items[0][0] == "Cookie"
assert items[0][1] == "foo"
assert items[1][0] == "Cookie"
assert items[1][1] == "bar"
def test_dict_conversion(self, d):
# 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())
assert hdict == h
assert hdict == dict(HTTPHeaderDict(hdict))
def test_string_enforcement(self, d):
# This currently throws AttributeError on key.lower(), should
# probably be something nicer
with pytest.raises(Exception):
d[3] = 5
with pytest.raises(Exception):
d.add(3, 4)
with pytest.raises(Exception):
del d[3]
with pytest.raises(Exception):
HTTPHeaderDict({3: 3})
@pytest.mark.skipif(
not six.PY2, reason="python3 has a different internal header implementation"
)
def test_from_httplib_py2(self):
msg = """
Server: nginx
Content-Type: text/html; charset=windows-1251
Connection: keep-alive
X-Some-Multiline: asdf
asdf\t
\t 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)
assert d["server"] == "nginx"
cookies = d.getlist("set-cookie")
assert len(cookies) == 2
assert cookies[0].startswith("bb_lastvisit")
assert cookies[1].startswith("bb_lastactivity")
assert d["x-some-multiline"] == "asdf asdf asdf"
assert d["www-authenticate"] == "asdf, bla"
assert d.getlist("www-authenticate") == ["asdf", "bla"]
with_invalid_multiline = """\tthis-is-not-a-header: but it has a pretend value
Authorization: Bearer 123
"""
buffer = six.moves.StringIO(with_invalid_multiline.replace("\n", "\r\n"))
msg = six.moves.http_client.HTTPMessage(buffer)
with pytest.raises(InvalidHeader):
HTTPHeaderDict.from_httplib(msg)
|
