From 1f2abf784a9fe550959de242d91963b2ad6f7e9c Mon Sep 17 00:00:00 2001
From: Moritz Sichert <moritz.sichert@googlemail.com>
Date: Wed, 18 Mar 2015 21:42:59 +0100
Subject: Fixed #24469 -- Refined escaping of Django's form elements in
 non-Django templates.

---
 tests/utils_tests/test_html.py | 71 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 67 insertions(+), 4 deletions(-)

(limited to 'tests/utils_tests/test_html.py')

diff --git a/tests/utils_tests/test_html.py b/tests/utils_tests/test_html.py
index 7456b67d50..58a4d48753 100644
--- a/tests/utils_tests/test_html.py
+++ b/tests/utils_tests/test_html.py
@@ -3,16 +3,15 @@ from __future__ import unicode_literals
 
 import os
 from datetime import datetime
-from unittest import TestCase
 
-from django.test import ignore_warnings
-from django.utils import html, safestring
+from django.test import SimpleTestCase, ignore_warnings
+from django.utils import html, safestring, six
 from django.utils._os import upath
 from django.utils.deprecation import RemovedInDjango20Warning
 from django.utils.encoding import force_text
 
 
-class TestUtilsHtml(TestCase):
+class TestUtilsHtml(SimpleTestCase):
 
     def check_output(self, function, value, output=None):
         """
@@ -185,3 +184,67 @@ class TestUtilsHtml(TestCase):
         self.assertEqual(html.conditional_escape(s),
                          '&lt;h1&gt;interop&lt;/h1&gt;')
         self.assertEqual(html.conditional_escape(safestring.mark_safe(s)), s)
+
+    def test_html_safe(self):
+        @html.html_safe
+        class HtmlClass(object):
+            if six.PY2:
+                def __unicode__(self):
+                    return "<h1>I'm a html class!</h1>"
+            else:
+                def __str__(self):
+                    return "<h1>I'm a html class!</h1>"
+
+        html_obj = HtmlClass()
+        self.assertTrue(hasattr(HtmlClass, '__html__'))
+        self.assertTrue(hasattr(html_obj, '__html__'))
+        self.assertEqual(force_text(html_obj), html_obj.__html__())
+
+    def test_html_safe_subclass(self):
+        if six.PY2:
+            class BaseClass(object):
+                def __html__(self):
+                    # defines __html__ on its own
+                    return 'some html content'
+
+                def __unicode__(self):
+                    return 'some non html content'
+
+            @html.html_safe
+            class Subclass(BaseClass):
+                def __unicode__(self):
+                    # overrides __unicode__ and is marked as html_safe
+                    return 'some html safe content'
+        else:
+            class BaseClass(object):
+                def __html__(self):
+                    # defines __html__ on its own
+                    return 'some html content'
+
+                def __str__(self):
+                    return 'some non html content'
+
+            @html.html_safe
+            class Subclass(BaseClass):
+                def __str__(self):
+                    # overrides __str__ and is marked as html_safe
+                    return 'some html safe content'
+
+        subclass_obj = Subclass()
+        self.assertEqual(force_text(subclass_obj), subclass_obj.__html__())
+
+    def test_html_safe_defines_html_error(self):
+        msg = "can't apply @html_safe to HtmlClass because it defines __html__()."
+        with self.assertRaisesMessage(ValueError, msg):
+            @html.html_safe
+            class HtmlClass(object):
+                def __html__(self):
+                    return "<h1>I'm a html class!</h1>"
+
+    def test_html_safe_doesnt_define_str(self):
+        method_name = '__unicode__()' if six.PY2 else '__str__()'
+        msg = "can't apply @html_safe to HtmlClass because it doesn't define %s." % method_name
+        with self.assertRaisesMessage(ValueError, msg):
+            @html.html_safe
+            class HtmlClass(object):
+                pass
-- 
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