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test_houdini.py
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test_houdini.py
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# -*- coding: utf-8 -*-
from unittest import TestCase
from nose.tools import assert_equals
import houdini
import sys
import sys
if sys.version_info[0] < 3:
import codecs
u = lambda x: codecs.unicode_escape_decode(x)[0]
else:
u = lambda x: x
class EscaperTestCaseMixin(object):
"""Test case mixin for testing methods with an escaper.
"""
escaper = None
simple_tests = []
def test_escapes(self):
"""Escaping returns expected value
"""
for value, expected in self.simple_tests:
actual = self.escaper(value)
self.assertEqual(actual, expected,
'escaping %r returned %r rather than the '
'expected %r' % (value, actual, expected))
self.assertEqual(type(actual), type(expected))
class UnescaperTestCaseMixin(object):
"""Test case mixin for testing methods with an unescaper.
"""
unescaper = None
def test_unescapes(self):
"""Unescaping returns expected value
"""
for expected, value in self.simple_tests:
actual = self.unescaper(value)
self.assertEqual(actual, expected,
'unescaping %r returned %r rather than the '
'expected %r' % (value, actual, expected))
self.assertEqual(type(actual), type(expected))
class HtmlTestCase(UnescaperTestCaseMixin, EscaperTestCaseMixin, TestCase):
"""Test case for :func:`escape_html` and :func:`unescape_html`.
"""
escaper = staticmethod(houdini.escape_html)
unescaper = staticmethod(houdini.unescape_html)
simple_tests = [
('hello', 'hello'),
(u('hello'), u('hello')),
(u('héllo < hëllo'), u('héllo < hëllo')),
('<>&;"', '<>&;"'),
(u('<>&;"'), u('<>&;"')),
]
class XmlTestCase(EscaperTestCaseMixin, TestCase):
"""Test case for :func:`escape_xml`.
"""
escaper = staticmethod(houdini.escape_xml)
simple_tests = [
('hello', 'hello'),
(u('hello'), u('hello')),
(u('héllo < hëllo'), u('héllo < hëllo')),
('<>&;"', '<>&;"'),
(u('<>&;"'), u('<>&;"')),
('\x80', '?'),
]
class JsTestCase(UnescaperTestCaseMixin, EscaperTestCaseMixin, TestCase):
"""Test case for :func:`escape_js` and :func:`unescape_js`.
"""
escaper = staticmethod(houdini.escape_js)
unescaper = staticmethod(houdini.unescape_js)
simple_tests = [
('hello', 'hello'),
(u('hello'), u('hello')),
(u('héllo < hëllo'), u('héllo < hëllo')),
('\n\t/\\"\'', '\\n\t/\\\\\\"\\\''),
(u('\n\t"\''), u('\\\\n\\t\\\\"\\\\\'')),
]
class UriTestCase(UnescaperTestCaseMixin, EscaperTestCaseMixin, TestCase):
"""Test case for :func:`escape_uri` and :func:`unescape_uri`.
"""
escaper = staticmethod(houdini.escape_uri)
unescaper = staticmethod(houdini.unescape_uri)
simple_tests = [
('hello', 'hello'),
(u('hello'), u('hello')),
('http://example.com/uri?param=value',
'http://example.com/uri?param=value'),
]
URL_SAFE = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]
URL_SAFE_ORDS = set([i for i, s in enumerate(URL_SAFE) if s])
URL_UNSAFE_ORDS = set(xrange(256)) - URL_SAFE_ORDS
URL_TEST_STRING = ''.join(chr(o) for o in range(1, 256))
URL_TEST_ESCAPED = ''.join(
'+' if o == 32 else
'%%%02X' % (o) if o not in URL_SAFE_ORDS else
chr(o) for o in range(1, 256)
)
class UrlTestCase(UnescaperTestCaseMixin, EscaperTestCaseMixin, TestCase):
"""Test case for :func:`escape_url` and :func:`unescape_url`.
"""
escaper = staticmethod(houdini.escape_url)
unescaper = staticmethod(houdini.unescape_url)
simple_tests = [
('hello', 'hello'),
(u('hello'), u('hello')),
('http://example.com/url?param=value',
'http%3A%2F%2Fexample.com%2Furl%3Fparam%3Dvalue'),
]
class UrlSafeTableTestCase(TestCase):
"""Test case for :func:`url_safe_table`.
"""
def test_escape(self):
"""Escaping with custom safe table returns expected value
"""
for safe, cases in [
('', [
('http://example.com/url?param=value',
'http%3A%2F%2Fexample.com%2Furl%3Fparam%3Dvalue'),
]),
('/', [
('http://example.com/url?param=value',
'http%3A//example.com/url%3Fparam%3Dvalue'),
]),
]:
safe_table = houdini.url_safe_table(safe)
for string, expected in cases:
self.assertEqual(houdini.escape_url_safe_table(string,
safe_table),
expected)
__all__ = (
'HtmlTestCase',
'XmlTestCase',
'JsTestCase',
'UriTestCase',
'UrlTestCase',
)