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142 lines
4.8 KiB
Python
142 lines
4.8 KiB
Python
from __future__ import unicode_literals
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from django.template import Context, Template
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from django.test import SimpleTestCase, ignore_warnings
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from django.utils import html, six, text
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from django.utils.deprecation import RemovedInDjango20Warning
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from django.utils.encoding import force_bytes
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from django.utils.functional import lazy, lazystr
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from django.utils.safestring import (
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EscapeData, SafeData, mark_for_escaping, mark_safe,
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)
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lazybytes = lazy(force_bytes, bytes)
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class customescape(six.text_type):
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def __html__(self):
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# implement specific and obviously wrong escaping
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# in order to be able to tell for sure when it runs
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return self.replace('<', '<<').replace('>', '>>')
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class SafeStringTest(SimpleTestCase):
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def assertRenderEqual(self, tpl, expected, **context):
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context = Context(context)
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tpl = Template(tpl)
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self.assertEqual(tpl.render(context), expected)
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def test_mark_safe(self):
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s = mark_safe('a&b')
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self.assertRenderEqual('{{ s }}', 'a&b', s=s)
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self.assertRenderEqual('{{ s|force_escape }}', 'a&b', s=s)
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def test_mark_safe_object_implementing_dunder_html(self):
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e = customescape('<a&b>')
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s = mark_safe(e)
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self.assertIs(s, e)
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self.assertRenderEqual('{{ s }}', '<<a&b>>', s=s)
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self.assertRenderEqual('{{ s|force_escape }}', '<a&b>', s=s)
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def test_mark_safe_lazy(self):
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s = lazystr('a&b')
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b = lazybytes(b'a&b')
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self.assertIsInstance(mark_safe(s), SafeData)
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self.assertIsInstance(mark_safe(b), SafeData)
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self.assertRenderEqual('{{ s }}', 'a&b', s=mark_safe(s))
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def test_mark_safe_object_implementing_dunder_str(self):
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class Obj(object):
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def __str__(self):
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return '<obj>'
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s = mark_safe(Obj())
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self.assertRenderEqual('{{ s }}', '<obj>', s=s)
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def test_mark_safe_result_implements_dunder_html(self):
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self.assertEqual(mark_safe('a&b').__html__(), 'a&b')
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def test_mark_safe_lazy_result_implements_dunder_html(self):
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self.assertEqual(mark_safe(lazystr('a&b')).__html__(), 'a&b')
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@ignore_warnings(category=RemovedInDjango20Warning)
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def test_mark_for_escaping(self):
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s = mark_for_escaping('a&b')
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self.assertRenderEqual('{{ s }}', 'a&b', s=s)
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self.assertRenderEqual('{{ s }}', 'a&b', s=mark_for_escaping(s))
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@ignore_warnings(category=RemovedInDjango20Warning)
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def test_mark_for_escaping_object_implementing_dunder_html(self):
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e = customescape('<a&b>')
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s = mark_for_escaping(e)
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self.assertIs(s, e)
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self.assertRenderEqual('{{ s }}', '<<a&b>>', s=s)
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self.assertRenderEqual('{{ s|force_escape }}', '<a&b>', s=s)
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@ignore_warnings(category=RemovedInDjango20Warning)
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def test_mark_for_escaping_lazy(self):
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s = lazystr('a&b')
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b = lazybytes(b'a&b')
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self.assertIsInstance(mark_for_escaping(s), EscapeData)
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self.assertIsInstance(mark_for_escaping(b), EscapeData)
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self.assertRenderEqual('{% autoescape off %}{{ s }}{% endautoescape %}', 'a&b', s=mark_for_escaping(s))
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@ignore_warnings(category=RemovedInDjango20Warning)
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def test_mark_for_escaping_object_implementing_dunder_str(self):
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class Obj(object):
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def __str__(self):
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return '<obj>'
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s = mark_for_escaping(Obj())
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self.assertRenderEqual('{{ s }}', '<obj>', s=s)
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def test_add_lazy_safe_text_and_safe_text(self):
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s = html.escape(lazystr('a'))
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s += mark_safe('&b')
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self.assertRenderEqual('{{ s }}', 'a&b', s=s)
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s = html.escapejs(lazystr('a'))
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s += mark_safe('&b')
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self.assertRenderEqual('{{ s }}', 'a&b', s=s)
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s = text.slugify(lazystr('a'))
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s += mark_safe('&b')
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self.assertRenderEqual('{{ s }}', 'a&b', s=s)
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def test_mark_safe_as_decorator(self):
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"""
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mark_safe used as a decorator leaves the result of a function
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unchanged.
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"""
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def clean_string_provider():
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return '<html><body>dummy</body></html>'
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self.assertEqual(mark_safe(clean_string_provider)(), clean_string_provider())
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def test_mark_safe_decorator_does_not_affect_dunder_html(self):
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"""
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mark_safe doesn't affect a callable that has an __html__() method.
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"""
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class SafeStringContainer:
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def __html__(self):
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return '<html></html>'
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self.assertIs(mark_safe(SafeStringContainer), SafeStringContainer)
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def test_mark_safe_decorator_does_not_affect_promises(self):
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"""
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mark_safe doesn't affect lazy strings (Promise objects).
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"""
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def html_str():
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return '<html></html>'
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lazy_str = lazy(html_str, str)()
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self.assertEqual(mark_safe(lazy_str), html_str())
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