forked from tornadoweb/tornado
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
2 changed files
with
58 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,53 @@ | ||
from twisted.trial import unittest | ||
|
||
from cyclone.httputil import HTTPHeaders | ||
|
||
|
||
class TestHTTPHeaders(unittest.TestCase): | ||
def test_parse_no_cr(self): | ||
""" | ||
https://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.3 | ||
"The line terminator for message-header fields is the sequence CRLF. | ||
However, we recommend that applications, when parsing such headers, | ||
recognize a single LF as a line terminator and ignore the leading CR." | ||
https://tools.ietf.org/html/rfc7230#section-3.5 | ||
"Although the line terminator for the start-line and header fields is | ||
the sequence CRLF, a recipient MAY recognize a single LF as a line | ||
terminator and ignore any preceding CR." | ||
""" | ||
header_data = u"Foo: bar\n" u"Baz: qux" | ||
headers = HTTPHeaders.parse(header_data) | ||
self.assertEqual(len(list(headers.get_all())), 2) | ||
self.assertEqual(headers.get("foo"), "bar") | ||
self.assertEqual(headers.get("baz"), "qux") | ||
|
||
def test_parse_crlf(self): | ||
""" | ||
https://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.3 | ||
"The line terminator for message-header fields is the sequence CRLF. | ||
However, we recommend that applications, when parsing such headers, | ||
recognize a single LF as a line terminator and ignore the leading CR." | ||
""" | ||
header_data = u"Foo: bar\r\n" u"Baz: qux" | ||
headers = HTTPHeaders.parse(header_data) | ||
self.assertEqual(len(list(headers.get_all())), 2) | ||
self.assertEqual(headers.get("foo"), "bar") | ||
self.assertEqual(headers.get("baz"), "qux") | ||
|
||
def test_parse_problematic_newlines(self): | ||
""" | ||
There are some problematic characters that Python considers to be newlines | ||
for the purpose of splitlines, but aren't newlines per the RFCs. | ||
https://docs.python.org/3/library/stdtypes.html#str.splitlines | ||
""" | ||
header_data = ( | ||
u"Foo: bar\x0b\x0c\x1c\x1d\x1e\x85\u2028\u2029asdf: jkl\r\n" u"Baz: qux" | ||
) | ||
headers = HTTPHeaders.parse(header_data) | ||
self.assertEqual(len(list(headers.get_all())), 2) | ||
self.assertEqual( | ||
headers.get("foo"), u"bar\x0b\x0c\x1c\x1d\x1e\x85\u2028\u2029asdf: jkl" | ||
) | ||
self.assertEqual(headers.get("baz"), "qux") |