mirror of
https://github.com/django/django.git
synced 2024-12-28 12:06:22 +00:00
124 lines
4.0 KiB
Python
124 lines
4.0 KiB
Python
from django.template import Context, Template
|
|
from django.test import SimpleTestCase
|
|
from django.utils import html, translation
|
|
from django.utils.functional import Promise, lazy, lazystr
|
|
from django.utils.safestring import SafeData, SafeString, mark_safe
|
|
from django.utils.translation import gettext_lazy
|
|
|
|
|
|
class customescape(str):
|
|
def __html__(self):
|
|
# Implement specific and wrong escaping in order to be able to detect
|
|
# when it runs.
|
|
return self.replace("<", "<<").replace(">", ">>")
|
|
|
|
|
|
class SafeStringTest(SimpleTestCase):
|
|
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_str(self):
|
|
"""
|
|
Calling str() on a SafeString instance doesn't lose the safe status.
|
|
"""
|
|
s = mark_safe("a&b")
|
|
self.assertIsInstance(str(s), type(s))
|
|
|
|
def test_mark_safe_object_implementing_dunder_html(self):
|
|
e = customescape("<a&b>")
|
|
s = mark_safe(e)
|
|
self.assertIs(s, e)
|
|
|
|
self.assertRenderEqual("{{ s }}", "<<a&b>>", s=s)
|
|
self.assertRenderEqual("{{ s|force_escape }}", "<a&b>", s=s)
|
|
|
|
def test_mark_safe_lazy(self):
|
|
safe_s = mark_safe(lazystr("a&b"))
|
|
|
|
self.assertIsInstance(safe_s, Promise)
|
|
self.assertRenderEqual("{{ s }}", "a&b", s=safe_s)
|
|
self.assertIsInstance(str(safe_s), SafeData)
|
|
|
|
def test_mark_safe_lazy_i18n(self):
|
|
s = mark_safe(gettext_lazy("name"))
|
|
tpl = Template("{{ s }}")
|
|
with translation.override("fr"):
|
|
self.assertEqual(tpl.render(Context({"s": s})), "nom")
|
|
|
|
def test_mark_safe_object_implementing_dunder_str(self):
|
|
class Obj:
|
|
def __str__(self):
|
|
return "<obj>"
|
|
|
|
s = mark_safe(Obj())
|
|
|
|
self.assertRenderEqual("{{ s }}", "<obj>", s=s)
|
|
|
|
def test_mark_safe_result_implements_dunder_html(self):
|
|
self.assertEqual(mark_safe("a&b").__html__(), "a&b")
|
|
|
|
def test_mark_safe_lazy_result_implements_dunder_html(self):
|
|
self.assertEqual(mark_safe(lazystr("a&b")).__html__(), "a&b")
|
|
|
|
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)
|
|
|
|
def test_mark_safe_as_decorator(self):
|
|
"""
|
|
mark_safe used as a decorator leaves the result of a function
|
|
unchanged.
|
|
"""
|
|
|
|
def clean_string_provider():
|
|
return "<html><body>dummy</body></html>"
|
|
|
|
self.assertEqual(mark_safe(clean_string_provider)(), clean_string_provider())
|
|
|
|
def test_mark_safe_decorator_does_not_affect_dunder_html(self):
|
|
"""
|
|
mark_safe doesn't affect a callable that has an __html__() method.
|
|
"""
|
|
|
|
class SafeStringContainer:
|
|
def __html__(self):
|
|
return "<html></html>"
|
|
|
|
self.assertIs(mark_safe(SafeStringContainer), SafeStringContainer)
|
|
|
|
def test_mark_safe_decorator_does_not_affect_promises(self):
|
|
"""
|
|
mark_safe doesn't affect lazy strings (Promise objects).
|
|
"""
|
|
|
|
def html_str():
|
|
return "<html></html>"
|
|
|
|
lazy_str = lazy(html_str, str)()
|
|
self.assertEqual(mark_safe(lazy_str), html_str())
|
|
|
|
def test_default_additional_attrs(self):
|
|
s = SafeString("a&b")
|
|
msg = "object has no attribute 'dynamic_attr'"
|
|
with self.assertRaisesMessage(AttributeError, msg):
|
|
s.dynamic_attr = True
|
|
|
|
def test_default_safe_data_additional_attrs(self):
|
|
s = SafeData()
|
|
msg = "object has no attribute 'dynamic_attr'"
|
|
with self.assertRaisesMessage(AttributeError, msg):
|
|
s.dynamic_attr = True
|