def test_unicode_headers(self):
r = HttpResponse()
# If we insert a unicode value it will be converted to an ascii
r['value'] = 'test value'
self.assertTrue(isinstance(r['value'], str))
# An error is raised when a unicode object with non-ascii is assigned.
self.assertRaises(UnicodeEncodeError, r.__setitem__, 'value', 't\xebst value')
# An error is raised when a unicode object with non-ASCII format is
# passed as initial mimetype or content_type.
self.assertRaises(UnicodeEncodeError, HttpResponse,
content_type='t\xebst value')
# HttpResponse headers must be convertible to ASCII.
self.assertRaises(UnicodeEncodeError, HttpResponse,
content_type='t\xebst value')
# The response also converts unicode keys to strings.)
r['test'] = 'testing key'
l = list(r.items())
l.sort()
self.assertEqual(l[1], ('test', 'testing key'))
# It will also raise errors for keys with non-ascii data.
self.assertRaises(UnicodeEncodeError, r.__setitem__, 't\xebst key', 'value')
