def test_radd(self):
s = LazyString(lambda: 'foo')
s = 'bar' + s
self.assertEqual(s, 'barfoo')
def test_init_args(self):
s = LazyString(lambda a: a, 'foo')
self.assertIsInstance(s, LazyString)
self.assertEqual(str(s), 'foo')
def test_add(self):
s = LazyString(lambda: 'foo')
s = s + 'bar'
self.assertEqual(s, 'foobar')
def lazy_gettext(message_id, *args, **variables):
"Like gettext but the string returned is lazy"
return LazyString(gettext, message_id, *args, **variables)