mirror of
https://github.com/janeczku/calibre-web
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285 lines
11 KiB
Python
285 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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"""
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werkzeug.testsuite.utils
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~~~~~~~~~~~~~~~~~~~~~~~~
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General utilities.
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:copyright: (c) 2013 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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from __future__ import with_statement
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import unittest
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from datetime import datetime
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from functools import partial
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from werkzeug.testsuite import WerkzeugTestCase
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from werkzeug import utils
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from werkzeug.datastructures import Headers
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from werkzeug.http import parse_date, http_date
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from werkzeug.wrappers import BaseResponse
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from werkzeug.test import Client, run_wsgi_app
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from werkzeug._compat import text_type, implements_iterator
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class GeneralUtilityTestCase(WerkzeugTestCase):
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def test_redirect(self):
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resp = utils.redirect(u'/füübär')
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self.assert_in(b'/f%C3%BC%C3%BCb%C3%A4r', resp.get_data())
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self.assert_equal(resp.headers['Location'], '/f%C3%BC%C3%BCb%C3%A4r')
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self.assert_equal(resp.status_code, 302)
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resp = utils.redirect(u'http://☃.net/', 307)
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self.assert_in(b'http://xn--n3h.net/', resp.get_data())
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self.assert_equal(resp.headers['Location'], 'http://xn--n3h.net/')
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self.assert_equal(resp.status_code, 307)
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resp = utils.redirect('http://example.com/', 305)
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self.assert_equal(resp.headers['Location'], 'http://example.com/')
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self.assert_equal(resp.status_code, 305)
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def test_redirect_no_unicode_header_keys(self):
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# Make sure all headers are native keys. This was a bug at one point
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# due to an incorrect conversion.
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resp = utils.redirect('http://example.com/', 305)
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for key, value in resp.headers.items():
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self.assert_equal(type(key), str)
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self.assert_equal(type(value), text_type)
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self.assert_equal(resp.headers['Location'], 'http://example.com/')
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self.assert_equal(resp.status_code, 305)
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def test_redirect_xss(self):
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location = 'http://example.com/?xss="><script>alert(1)</script>'
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resp = utils.redirect(location)
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self.assert_not_in(b'<script>alert(1)</script>', resp.get_data())
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location = 'http://example.com/?xss="onmouseover="alert(1)'
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resp = utils.redirect(location)
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self.assert_not_in(b'href="http://example.com/?xss="onmouseover="alert(1)"', resp.get_data())
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def test_cached_property(self):
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foo = []
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class A(object):
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def prop(self):
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foo.append(42)
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return 42
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prop = utils.cached_property(prop)
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a = A()
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p = a.prop
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q = a.prop
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self.assert_true(p == q == 42)
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self.assert_equal(foo, [42])
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foo = []
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class A(object):
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def _prop(self):
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foo.append(42)
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return 42
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prop = utils.cached_property(_prop, name='prop')
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del _prop
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a = A()
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p = a.prop
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q = a.prop
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self.assert_true(p == q == 42)
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self.assert_equal(foo, [42])
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def test_environ_property(self):
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class A(object):
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environ = {'string': 'abc', 'number': '42'}
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string = utils.environ_property('string')
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missing = utils.environ_property('missing', 'spam')
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read_only = utils.environ_property('number')
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number = utils.environ_property('number', load_func=int)
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broken_number = utils.environ_property('broken_number', load_func=int)
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date = utils.environ_property('date', None, parse_date, http_date,
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read_only=False)
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foo = utils.environ_property('foo')
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a = A()
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self.assert_equal(a.string, 'abc')
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self.assert_equal(a.missing, 'spam')
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def test_assign():
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a.read_only = 'something'
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self.assert_raises(AttributeError, test_assign)
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self.assert_equal(a.number, 42)
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self.assert_equal(a.broken_number, None)
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self.assert_is_none(a.date)
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a.date = datetime(2008, 1, 22, 10, 0, 0, 0)
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self.assert_equal(a.environ['date'], 'Tue, 22 Jan 2008 10:00:00 GMT')
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def test_escape(self):
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class Foo(str):
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def __html__(self):
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return text_type(self)
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self.assert_equal(utils.escape(None), '')
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self.assert_equal(utils.escape(42), '42')
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self.assert_equal(utils.escape('<>'), '<>')
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self.assert_equal(utils.escape('"foo"'), '"foo"')
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self.assert_equal(utils.escape(Foo('<foo>')), '<foo>')
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def test_unescape(self):
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self.assert_equal(utils.unescape('<ä>'), u'<ä>')
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def test_run_wsgi_app(self):
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def foo(environ, start_response):
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start_response('200 OK', [('Content-Type', 'text/plain')])
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yield '1'
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yield '2'
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yield '3'
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app_iter, status, headers = run_wsgi_app(foo, {})
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self.assert_equal(status, '200 OK')
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self.assert_equal(list(headers), [('Content-Type', 'text/plain')])
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self.assert_equal(next(app_iter), '1')
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self.assert_equal(next(app_iter), '2')
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self.assert_equal(next(app_iter), '3')
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self.assert_raises(StopIteration, partial(next, app_iter))
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got_close = []
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@implements_iterator
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class CloseIter(object):
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def __init__(self):
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self.iterated = False
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def __iter__(self):
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return self
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def close(self):
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got_close.append(None)
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def __next__(self):
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if self.iterated:
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raise StopIteration()
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self.iterated = True
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return 'bar'
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def bar(environ, start_response):
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start_response('200 OK', [('Content-Type', 'text/plain')])
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return CloseIter()
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app_iter, status, headers = run_wsgi_app(bar, {})
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self.assert_equal(status, '200 OK')
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self.assert_equal(list(headers), [('Content-Type', 'text/plain')])
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self.assert_equal(next(app_iter), 'bar')
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self.assert_raises(StopIteration, partial(next, app_iter))
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app_iter.close()
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self.assert_equal(run_wsgi_app(bar, {}, True)[0], ['bar'])
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self.assert_equal(len(got_close), 2)
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def test_import_string(self):
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import cgi
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from werkzeug.debug import DebuggedApplication
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self.assert_is(utils.import_string('cgi.escape'), cgi.escape)
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self.assert_is(utils.import_string(u'cgi.escape'), cgi.escape)
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self.assert_is(utils.import_string('cgi:escape'), cgi.escape)
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self.assert_is_none(utils.import_string('XXXXXXXXXXXX', True))
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self.assert_is_none(utils.import_string('cgi.XXXXXXXXXXXX', True))
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self.assert_is(utils.import_string(u'cgi.escape'), cgi.escape)
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self.assert_is(utils.import_string(u'werkzeug.debug.DebuggedApplication'), DebuggedApplication)
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self.assert_raises(ImportError, utils.import_string, 'XXXXXXXXXXXXXXXX')
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self.assert_raises(ImportError, utils.import_string, 'cgi.XXXXXXXXXX')
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def test_find_modules(self):
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self.assert_equal(list(utils.find_modules('werkzeug.debug')), \
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['werkzeug.debug.console', 'werkzeug.debug.repr',
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'werkzeug.debug.tbtools'])
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def test_html_builder(self):
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html = utils.html
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xhtml = utils.xhtml
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self.assert_equal(html.p('Hello World'), '<p>Hello World</p>')
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self.assert_equal(html.a('Test', href='#'), '<a href="#">Test</a>')
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self.assert_equal(html.br(), '<br>')
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self.assert_equal(xhtml.br(), '<br />')
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self.assert_equal(html.img(src='foo'), '<img src="foo">')
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self.assert_equal(xhtml.img(src='foo'), '<img src="foo" />')
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self.assert_equal(html.html(
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html.head(
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html.title('foo'),
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html.script(type='text/javascript')
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)
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), '<html><head><title>foo</title><script type="text/javascript">'
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'</script></head></html>')
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self.assert_equal(html('<foo>'), '<foo>')
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self.assert_equal(html.input(disabled=True), '<input disabled>')
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self.assert_equal(xhtml.input(disabled=True), '<input disabled="disabled" />')
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self.assert_equal(html.input(disabled=''), '<input>')
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self.assert_equal(xhtml.input(disabled=''), '<input />')
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self.assert_equal(html.input(disabled=None), '<input>')
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self.assert_equal(xhtml.input(disabled=None), '<input />')
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self.assert_equal(html.script('alert("Hello World");'), '<script>' \
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'alert("Hello World");</script>')
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self.assert_equal(xhtml.script('alert("Hello World");'), '<script>' \
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'/*<![CDATA[*/alert("Hello World");/*]]>*/</script>')
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def test_validate_arguments(self):
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take_none = lambda: None
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take_two = lambda a, b: None
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take_two_one_default = lambda a, b=0: None
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self.assert_equal(utils.validate_arguments(take_two, (1, 2,), {}), ((1, 2), {}))
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self.assert_equal(utils.validate_arguments(take_two, (1,), {'b': 2}), ((1, 2), {}))
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self.assert_equal(utils.validate_arguments(take_two_one_default, (1,), {}), ((1, 0), {}))
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self.assert_equal(utils.validate_arguments(take_two_one_default, (1, 2), {}), ((1, 2), {}))
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self.assert_raises(utils.ArgumentValidationError,
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utils.validate_arguments, take_two, (), {})
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self.assert_equal(utils.validate_arguments(take_none, (1, 2,), {'c': 3}), ((), {}))
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self.assert_raises(utils.ArgumentValidationError,
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utils.validate_arguments, take_none, (1,), {}, drop_extra=False)
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self.assert_raises(utils.ArgumentValidationError,
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utils.validate_arguments, take_none, (), {'a': 1}, drop_extra=False)
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def test_header_set_duplication_bug(self):
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headers = Headers([
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('Content-Type', 'text/html'),
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('Foo', 'bar'),
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('Blub', 'blah')
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])
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headers['blub'] = 'hehe'
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headers['blafasel'] = 'humm'
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self.assert_equal(headers, Headers([
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('Content-Type', 'text/html'),
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('Foo', 'bar'),
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('blub', 'hehe'),
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('blafasel', 'humm')
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]))
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def test_append_slash_redirect(self):
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def app(env, sr):
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return utils.append_slash_redirect(env)(env, sr)
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client = Client(app, BaseResponse)
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response = client.get('foo', base_url='http://example.org/app')
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self.assert_equal(response.status_code, 301)
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self.assert_equal(response.headers['Location'], 'http://example.org/app/foo/')
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def test_cached_property_doc(self):
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@utils.cached_property
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def foo():
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"""testing"""
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return 42
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self.assert_equal(foo.__doc__, 'testing')
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self.assert_equal(foo.__name__, 'foo')
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self.assert_equal(foo.__module__, __name__)
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def test_secure_filename(self):
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self.assert_equal(utils.secure_filename('My cool movie.mov'),
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'My_cool_movie.mov')
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self.assert_equal(utils.secure_filename('../../../etc/passwd'),
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'etc_passwd')
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self.assert_equal(utils.secure_filename(u'i contain cool \xfcml\xe4uts.txt'),
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'i_contain_cool_umlauts.txt')
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def suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(GeneralUtilityTestCase))
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return suite
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