/usr/lib/python2.7/dist-packages/werkzeug/testsuite/utils.py is in python-werkzeug 0.9.4+dfsg-1.1ubuntu2.1.
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"""
werkzeug.testsuite.utils
~~~~~~~~~~~~~~~~~~~~~~~~
General utilities.
:copyright: (c) 2013 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import unittest
from datetime import datetime
from functools import partial
from werkzeug.testsuite import WerkzeugTestCase
from werkzeug import utils
from werkzeug.datastructures import Headers
from werkzeug.http import parse_date, http_date
from werkzeug.wrappers import BaseResponse
from werkzeug.test import Client, run_wsgi_app
from werkzeug._compat import text_type, implements_iterator
class GeneralUtilityTestCase(WerkzeugTestCase):
def test_redirect(self):
resp = utils.redirect(u'/füübär')
self.assert_in(b'/f%C3%BC%C3%BCb%C3%A4r', resp.get_data())
self.assert_equal(resp.headers['Location'], '/f%C3%BC%C3%BCb%C3%A4r')
self.assert_equal(resp.status_code, 302)
resp = utils.redirect(u'http://☃.net/', 307)
self.assert_in(b'http://xn--n3h.net/', resp.get_data())
self.assert_equal(resp.headers['Location'], 'http://xn--n3h.net/')
self.assert_equal(resp.status_code, 307)
resp = utils.redirect('http://example.com/', 305)
self.assert_equal(resp.headers['Location'], 'http://example.com/')
self.assert_equal(resp.status_code, 305)
def test_redirect_no_unicode_header_keys(self):
# Make sure all headers are native keys. This was a bug at one point
# due to an incorrect conversion.
resp = utils.redirect('http://example.com/', 305)
for key, value in resp.headers.items():
self.assert_equal(type(key), str)
self.assert_equal(type(value), text_type)
self.assert_equal(resp.headers['Location'], 'http://example.com/')
self.assert_equal(resp.status_code, 305)
def test_redirect_xss(self):
location = 'http://example.com/?xss="><script>alert(1)</script>'
resp = utils.redirect(location)
self.assert_not_in(b'<script>alert(1)</script>', resp.get_data())
location = 'http://example.com/?xss="onmouseover="alert(1)'
resp = utils.redirect(location)
self.assert_not_in(b'href="http://example.com/?xss="onmouseover="alert(1)"', resp.get_data())
def test_cached_property(self):
foo = []
class A(object):
def prop(self):
foo.append(42)
return 42
prop = utils.cached_property(prop)
a = A()
p = a.prop
q = a.prop
self.assert_true(p == q == 42)
self.assert_equal(foo, [42])
foo = []
class A(object):
def _prop(self):
foo.append(42)
return 42
prop = utils.cached_property(_prop, name='prop')
del _prop
a = A()
p = a.prop
q = a.prop
self.assert_true(p == q == 42)
self.assert_equal(foo, [42])
def test_environ_property(self):
class A(object):
environ = {'string': 'abc', 'number': '42'}
string = utils.environ_property('string')
missing = utils.environ_property('missing', 'spam')
read_only = utils.environ_property('number')
number = utils.environ_property('number', load_func=int)
broken_number = utils.environ_property('broken_number', load_func=int)
date = utils.environ_property('date', None, parse_date, http_date,
read_only=False)
foo = utils.environ_property('foo')
a = A()
self.assert_equal(a.string, 'abc')
self.assert_equal(a.missing, 'spam')
def test_assign():
a.read_only = 'something'
self.assert_raises(AttributeError, test_assign)
self.assert_equal(a.number, 42)
self.assert_equal(a.broken_number, None)
self.assert_is_none(a.date)
a.date = datetime(2008, 1, 22, 10, 0, 0, 0)
self.assert_equal(a.environ['date'], 'Tue, 22 Jan 2008 10:00:00 GMT')
def test_escape(self):
class Foo(str):
def __html__(self):
return text_type(self)
self.assert_equal(utils.escape(None), '')
self.assert_equal(utils.escape(42), '42')
self.assert_equal(utils.escape('<>'), '<>')
self.assert_equal(utils.escape('"foo"'), '"foo"')
self.assert_equal(utils.escape(Foo('<foo>')), '<foo>')
def test_unescape(self):
self.assert_equal(utils.unescape('<ä>'), u'<ä>')
def test_run_wsgi_app(self):
def foo(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/plain')])
yield '1'
yield '2'
yield '3'
app_iter, status, headers = run_wsgi_app(foo, {})
self.assert_equal(status, '200 OK')
self.assert_equal(list(headers), [('Content-Type', 'text/plain')])
self.assert_equal(next(app_iter), '1')
self.assert_equal(next(app_iter), '2')
self.assert_equal(next(app_iter), '3')
self.assert_raises(StopIteration, partial(next, app_iter))
got_close = []
@implements_iterator
class CloseIter(object):
def __init__(self):
self.iterated = False
def __iter__(self):
return self
def close(self):
got_close.append(None)
def __next__(self):
if self.iterated:
raise StopIteration()
self.iterated = True
return 'bar'
def bar(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/plain')])
return CloseIter()
app_iter, status, headers = run_wsgi_app(bar, {})
self.assert_equal(status, '200 OK')
self.assert_equal(list(headers), [('Content-Type', 'text/plain')])
self.assert_equal(next(app_iter), 'bar')
self.assert_raises(StopIteration, partial(next, app_iter))
app_iter.close()
self.assert_equal(run_wsgi_app(bar, {}, True)[0], ['bar'])
self.assert_equal(len(got_close), 2)
def test_import_string(self):
import cgi
from werkzeug.debug import DebuggedApplication
self.assert_is(utils.import_string('cgi.escape'), cgi.escape)
self.assert_is(utils.import_string(u'cgi.escape'), cgi.escape)
self.assert_is(utils.import_string('cgi:escape'), cgi.escape)
self.assert_is_none(utils.import_string('XXXXXXXXXXXX', True))
self.assert_is_none(utils.import_string('cgi.XXXXXXXXXXXX', True))
self.assert_is(utils.import_string(u'cgi.escape'), cgi.escape)
self.assert_is(utils.import_string(u'werkzeug.debug.DebuggedApplication'), DebuggedApplication)
self.assert_raises(ImportError, utils.import_string, 'XXXXXXXXXXXXXXXX')
self.assert_raises(ImportError, utils.import_string, 'cgi.XXXXXXXXXX')
def test_find_modules(self):
self.assert_equal(list(utils.find_modules('werkzeug.debug')), \
['werkzeug.debug.console', 'werkzeug.debug.repr',
'werkzeug.debug.tbtools'])
def test_html_builder(self):
html = utils.html
xhtml = utils.xhtml
self.assert_equal(html.p('Hello World'), '<p>Hello World</p>')
self.assert_equal(html.a('Test', href='#'), '<a href="#">Test</a>')
self.assert_equal(html.br(), '<br>')
self.assert_equal(xhtml.br(), '<br />')
self.assert_equal(html.img(src='foo'), '<img src="foo">')
self.assert_equal(xhtml.img(src='foo'), '<img src="foo" />')
self.assert_equal(html.html(
html.head(
html.title('foo'),
html.script(type='text/javascript')
)
), '<html><head><title>foo</title><script type="text/javascript">'
'</script></head></html>')
self.assert_equal(html('<foo>'), '<foo>')
self.assert_equal(html.input(disabled=True), '<input disabled>')
self.assert_equal(xhtml.input(disabled=True), '<input disabled="disabled" />')
self.assert_equal(html.input(disabled=''), '<input>')
self.assert_equal(xhtml.input(disabled=''), '<input />')
self.assert_equal(html.input(disabled=None), '<input>')
self.assert_equal(xhtml.input(disabled=None), '<input />')
self.assert_equal(html.script('alert("Hello World");'), '<script>' \
'alert("Hello World");</script>')
self.assert_equal(xhtml.script('alert("Hello World");'), '<script>' \
'/*<![CDATA[*/alert("Hello World");/*]]>*/</script>')
def test_validate_arguments(self):
take_none = lambda: None
take_two = lambda a, b: None
take_two_one_default = lambda a, b=0: None
self.assert_equal(utils.validate_arguments(take_two, (1, 2,), {}), ((1, 2), {}))
self.assert_equal(utils.validate_arguments(take_two, (1,), {'b': 2}), ((1, 2), {}))
self.assert_equal(utils.validate_arguments(take_two_one_default, (1,), {}), ((1, 0), {}))
self.assert_equal(utils.validate_arguments(take_two_one_default, (1, 2), {}), ((1, 2), {}))
self.assert_raises(utils.ArgumentValidationError,
utils.validate_arguments, take_two, (), {})
self.assert_equal(utils.validate_arguments(take_none, (1, 2,), {'c': 3}), ((), {}))
self.assert_raises(utils.ArgumentValidationError,
utils.validate_arguments, take_none, (1,), {}, drop_extra=False)
self.assert_raises(utils.ArgumentValidationError,
utils.validate_arguments, take_none, (), {'a': 1}, drop_extra=False)
def test_header_set_duplication_bug(self):
headers = Headers([
('Content-Type', 'text/html'),
('Foo', 'bar'),
('Blub', 'blah')
])
headers['blub'] = 'hehe'
headers['blafasel'] = 'humm'
self.assert_equal(headers, Headers([
('Content-Type', 'text/html'),
('Foo', 'bar'),
('blub', 'hehe'),
('blafasel', 'humm')
]))
def test_append_slash_redirect(self):
def app(env, sr):
return utils.append_slash_redirect(env)(env, sr)
client = Client(app, BaseResponse)
response = client.get('foo', base_url='http://example.org/app')
self.assert_equal(response.status_code, 301)
self.assert_equal(response.headers['Location'], 'http://example.org/app/foo/')
def test_cached_property_doc(self):
@utils.cached_property
def foo():
"""testing"""
return 42
self.assert_equal(foo.__doc__, 'testing')
self.assert_equal(foo.__name__, 'foo')
self.assert_equal(foo.__module__, __name__)
def test_secure_filename(self):
self.assert_equal(utils.secure_filename('My cool movie.mov'),
'My_cool_movie.mov')
self.assert_equal(utils.secure_filename('../../../etc/passwd'),
'etc_passwd')
self.assert_equal(utils.secure_filename(u'i contain cool \xfcml\xe4uts.txt'),
'i_contain_cool_umlauts.txt')
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(GeneralUtilityTestCase))
return suite
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