django/tests/utils_tests/test_safestring.py

83 lines
2.7 KiB
Python

from __future__ import unicode_literals
from django.template import Template, Context
from django.test import TestCase
from django.utils.encoding import force_text, force_bytes
from django.utils.functional import lazy
from django.utils.safestring import mark_safe, mark_for_escaping, SafeData, EscapeData
from django.utils import six
from django.utils import text
from django.utils import html
lazystr = lazy(force_text, six.text_type)
lazybytes = lazy(force_bytes, bytes)
class SafeStringTest(TestCase):
def assertRenderEqual(self, tpl, expected, **context):
context = Context(context)
tpl = Template(tpl)
self.assertEqual(tpl.render(context), expected)
def test_mark_safe(self):
s = mark_safe('a&b')
self.assertRenderEqual('{{ s }}', 'a&b', s=s)
self.assertRenderEqual('{{ s|force_escape }}', 'a&b', s=s)
def test_mark_safe_lazy(self):
s = lazystr('a&b')
b = lazybytes(b'a&b')
self.assertIsInstance(mark_safe(s), SafeData)
self.assertIsInstance(mark_safe(b), SafeData)
self.assertRenderEqual('{{ s }}', 'a&b', s=mark_safe(s))
def test_mark_safe_object_implementing_dunder_str(self):
class Obj(object):
def __str__(self):
return '<obj>'
s = mark_safe(Obj())
self.assertRenderEqual('{{ s }}', '<obj>', s=s)
def test_mark_for_escaping(self):
s = mark_for_escaping('a&b')
self.assertRenderEqual('{{ s }}', 'a&amp;b', s=s)
self.assertRenderEqual('{{ s }}', 'a&amp;b', s=mark_for_escaping(s))
def test_mark_for_escaping_lazy(self):
s = lazystr('a&b')
b = lazybytes(b'a&b')
self.assertIsInstance(mark_for_escaping(s), EscapeData)
self.assertIsInstance(mark_for_escaping(b), EscapeData)
self.assertRenderEqual('{% autoescape off %}{{ s }}{% endautoescape %}', 'a&amp;b', s=mark_for_escaping(s))
def test_html(self):
s = '<h1>interop</h1>'
self.assertEqual(s, mark_safe(s).__html__())
def test_mark_for_escaping_object_implementing_dunder_str(self):
class Obj(object):
def __str__(self):
return '<obj>'
s = mark_for_escaping(Obj())
self.assertRenderEqual('{{ s }}', '&lt;obj&gt;', s=s)
def test_add_lazy_safe_text_and_safe_text(self):
s = html.escape(lazystr('a'))
s += mark_safe('&b')
self.assertRenderEqual('{{ s }}', 'a&b', s=s)
s = html.escapejs(lazystr('a'))
s += mark_safe('&b')
self.assertRenderEqual('{{ s }}', 'a&b', s=s)
s = text.slugify(lazystr('a'))
s += mark_safe('&b')
self.assertRenderEqual('{{ s }}', 'a&b', s=s)