1 from unittest import TestCase

     2 

     3 from django import template

     4 

     5 

     6 class CustomTests(TestCase):

     7     def test_filter(self):

     8         t = template.Template("{% load custom %}{{ string|trim:5 }}")

     9         self.assertEqual(

    10             t.render(template.Context({"string": "abcdefghijklmnopqrstuvwxyz"})),

    11             u"abcde"

    12         )