old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from unittest import TestCase
  from django.template import Template, Context
  
  
  class TestImagesTags(TestCase):
      url = 'oppsproject.org/path/image.jpg'
      generate_url_path = 'opps.images.templatetags.images_tags.image_url'
  
      def render(self, arguments):
          source = u'{% load images_tags %}{% image_url ' + arguments + ' %}'
          template = Template(source)
          rendered = template.render(Context({'url': self.url}))
          return rendered.strip()
  
      def test_templatetag_return(self):
          self.assertTrue(self.render(u'url unsafe=True'))
  
      def test_should_pass_the_image_url_arg_to_the_helper(self):
          self.assertEqual(self.render(u'url unsafe=True'),
                           u'http://localhost:8888/unsafe/localhost:8000/media/'
                           u'oppsproject.org/path/image.jpg')
  
      def test_should_pass_kwargs_to_the_helper(self):
          self.assertEqual(self.render(u'url width=300 height=200 unsafe=True'),
                           u'http://localhost:8888/unsafe/300x200/'
                           u'localhost:8000/media/oppsproject.org/path/'
                           u'image.jpg')
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from unittest import TestCase
  from django.template import Template, Context
  
  
  class TestImagesTagsImageUrl(TestCase):
      url = 'oppsproject.org/path/image.jpg'
      generate_url_path = 'opps.images.templatetags.images_tags.image_url'
  
      def render(self, arguments):
          source = u'{% load images_tags %}{% image_url ' + arguments + ' %}'
          template = Template(source)
          rendered = template.render(Context({'url': self.url}))
          return rendered.strip()
  
      def test_templatetag_return(self):
          self.assertTrue(self.render(u'url unsafe=True'))
  
      def test_should_pass_the_image_url_arg_to_the_helper(self):
          self.assertEqual(self.render(u'url unsafe=True'),
                           u'http://localhost:8888/unsafe/localhost:8000/media/'
                           u'oppsproject.org/path/image.jpg')
  
      def test_should_pass_kwargs_to_the_helper(self):
          self.assertEqual(self.render(u'url width=300 height=200 unsafe=True'),
                           u'http://localhost:8888/unsafe/300x200/'
                           u'localhost:8000/media/oppsproject.org/path/'
                           u'image.jpg')
  
subject: Fix class test name