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#!/usr/bin/env python
#
# Copyright 2012, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Tests for handshake.base module."""
from __future__ import absolute_import
import unittest
import set_sys_path # Update sys.path to locate mod_pywebsocket module.
from mod_pywebsocket.common import ExtensionParameter
from mod_pywebsocket.common import ExtensionParsingException
from mod_pywebsocket.common import format_extensions
from mod_pywebsocket.common import parse_extensions
from mod_pywebsocket.handshake.base import HandshakeException
from mod_pywebsocket.handshake.base import validate_subprotocol
class ValidateSubprotocolTest(unittest.TestCase):
"""A unittest for validate_subprotocol method."""
def test_validate_subprotocol(self):
# Should succeed.
validate_subprotocol('sample')
validate_subprotocol('Sample')
validate_subprotocol('sample\x7eprotocol')
# Should fail.
self.assertRaises(HandshakeException, validate_subprotocol, '')
self.assertRaises(HandshakeException, validate_subprotocol,
'sample\x09protocol')
self.assertRaises(HandshakeException, validate_subprotocol,
'sample\x19protocol')
self.assertRaises(HandshakeException, validate_subprotocol,
'sample\x20protocol')
self.assertRaises(HandshakeException, validate_subprotocol,
'sample\x7fprotocol')
self.assertRaises(
HandshakeException,
validate_subprotocol,
# "Japan" in Japanese
u'\u65e5\u672c')
_TEST_TOKEN_EXTENSION_DATA = [
('foo', [('foo', [])]),
('foo; bar', [('foo', [('bar', None)])]),
('foo; bar=baz', [('foo', [('bar', 'baz')])]),
('foo; bar=baz; car=cdr', [('foo', [('bar', 'baz'), ('car', 'cdr')])]),
('foo; bar=baz, car; cdr', [('foo', [('bar', 'baz')]),
('car', [('cdr', None)])]),
('a, b, c, d', [('a', []), ('b', []), ('c', []), ('d', [])]),
]
_TEST_QUOTED_EXTENSION_DATA = [
('foo; bar=""', [('foo', [('bar', '')])]),
('foo; bar=" baz "', [('foo', [('bar', ' baz ')])]),
('foo; bar=",baz;"', [('foo', [('bar', ',baz;')])]),
('foo; bar="\\\r\\\nbaz"', [('foo', [('bar', '\r\nbaz')])]),
('foo; bar="\\"baz"', [('foo', [('bar', '"baz')])]),
('foo; bar="\xbbbaz"', [('foo', [('bar', '\xbbbaz')])]),
]
_TEST_REDUNDANT_TOKEN_EXTENSION_DATA = [
('foo \t ', [('foo', [])]),
('foo; \r\n bar', [('foo', [('bar', None)])]),
('foo; bar=\r\n \r\n baz', [('foo', [('bar', 'baz')])]),
('foo ;bar = baz ', [('foo', [('bar', 'baz')])]),
('foo,bar,,baz', [('foo', []), ('bar', []), ('baz', [])]),
]
_TEST_REDUNDANT_QUOTED_EXTENSION_DATA = [
('foo; bar="\r\n \r\n baz"', [('foo', [('bar', ' baz')])]),
]
class ExtensionsParserTest(unittest.TestCase):
def _verify_extension_list(self, expected_list, actual_list):
"""Verifies that ExtensionParameter objects in actual_list have the
same members as extension definitions in expected_list. Extension
definition used in this test is a pair of an extension name and a
parameter dictionary.
"""
self.assertEqual(len(expected_list), len(actual_list))
for expected, actual in zip(expected_list, actual_list):
(name, parameters) = expected
self.assertEqual(name, actual._name)
self.assertEqual(parameters, actual._parameters)
def test_parse(self):
for formatted_string, definition in _TEST_TOKEN_EXTENSION_DATA:
self._verify_extension_list(definition,
parse_extensions(formatted_string))
def test_parse_quoted_data(self):
for formatted_string, definition in _TEST_QUOTED_EXTENSION_DATA:
self._verify_extension_list(definition,
parse_extensions(formatted_string))
def test_parse_redundant_data(self):
for (formatted_string,
definition) in _TEST_REDUNDANT_TOKEN_EXTENSION_DATA:
self._verify_extension_list(definition,
parse_extensions(formatted_string))
def test_parse_redundant_quoted_data(self):
for (formatted_string,
definition) in _TEST_REDUNDANT_QUOTED_EXTENSION_DATA:
self._verify_extension_list(definition,
parse_extensions(formatted_string))
def test_parse_bad_data(self):
_TEST_BAD_EXTENSION_DATA = [
('foo; ; '),
('foo; a a'),
('foo foo'),
(',,,'),
('foo; bar='),
('foo; bar="hoge'),
('foo; bar="a\r"'),
('foo; bar="\\\xff"'),
('foo; bar=\ra'),
]
for formatted_string in _TEST_BAD_EXTENSION_DATA:
self.assertRaises(ExtensionParsingException, parse_extensions,
formatted_string)
class FormatExtensionsTest(unittest.TestCase):
def test_format_extensions(self):
for formatted_string, definitions in _TEST_TOKEN_EXTENSION_DATA:
extensions = []
for definition in definitions:
(name, parameters) = definition
extension = ExtensionParameter(name)
extension._parameters = parameters
extensions.append(extension)
self.assertEqual(formatted_string, format_extensions(extensions))
if __name__ == '__main__':
unittest.main()
# vi:sts=4 sw=4 et
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