fix tests

tests/tests/__init__.py

 # -*- coding: utf-8 flake8: noqa -*-
 from .test_compiler import *
 from .test_compressor import *
-from .test_extension import *
+from .test_template import *
 from .test_glob import *
 from .test_middleware import *
 from .test_packager import *

tests/tests/test_storage.py

@@ -3,39 +3,25 @@ from __future__ import unicode_literals
 from django.test import TestCase
 from django.utils.datastructures import SortedDict
 
-from pipeline.conf import settings
 from pipeline.storage import PipelineStorage
 
-from tests.utils import _
+from tests.utils import pipeline_settings
 
 
 class StorageTest(TestCase):
     def setUp(self):
-        settings.PIPELINE_CSS = {
-            'testing': {
-                'source_filenames': (
-                    _('pipeline/css/first.css'),
-                    _('css/third.css'),
-                ),
-                'manifest': False,
-                'output_filename': 'testing.css',
-            }
-        }
-        settings.PIPELINE_JS_COMPRESSOR = None
-        settings.PIPELINE_CSS_COMPRESSOR = None
         self.storage = PipelineStorage()
 
     def test_post_process_dry_run(self):
+        with pipeline_settings(PIPELINE_JS_COMPRESSOR=None, PIPELINE_CSS_COMPRESSOR=None):
             processed_files = self.storage.post_process([], True)
             self.assertEqual(processed_files, [])
 
     def test_post_process(self):
+        with pipeline_settings(PIPELINE_JS_COMPRESSOR=None, PIPELINE_CSS_COMPRESSOR=None):
             processed_files = self.storage.post_process(SortedDict({
                 'css/first.css': (self.storage, 'css/first.css'),
                 'images/arrow.png': (self.storage, 'images/arrow.png')
             }))
             self.assertTrue(('css/first.css', 'css/first.css', True) in processed_files)
             self.assertTrue(('images/arrow.png', 'images/arrow.png', True) in processed_files)
-
-    def tearDown(self):
-        settings.PIPELINE_CSS = {}

tests/tests/test_extension.py → tests/tests/test_template.py

@@ -3,6 +3,7 @@ from __future__ import unicode_literals
 
 from jinja2 import Environment, PackageLoader
 
+from django.template import Template, Context
 from django.test import TestCase
 
 from pipeline.jinja2.ext import PipelineExtension
@@ -10,7 +11,7 @@ from pipeline.jinja2.ext import PipelineExtension
 from tests.utils import pipeline_settings
 
 
-class ExtensionTest(TestCase):
+class JinjaTest(TestCase):
     def setUp(self):
         self.env = Environment(extensions=[PipelineExtension], loader=
             PackageLoader('pipeline', 'templates'))
@@ -35,3 +36,12 @@ class ExtensionTest(TestCase):
     def test_package_js(self):
         template = self.env.from_string(u"""{% compressed_js "scripts" %}""")
         self.assertEqual(u'<script   type="text/css" src="/static/scripts.css" charset="utf-8"></script>', template.render())
+
+
+class DjangoTest(TestCase):
+    def render_template(self, template):
+        return Template(template).render(Context())
+
+    def test_compressed_css(self):
+        rendered = self.render_template(u"""{% load compressed %}{% compressed_css "unknow" %}""")
+        self.assertEqual(u"", rendered)