Fixed #16967 -- Made sure CachedStaticFilesStorage repopulates its cache if there was a miss (for example if the cache server went down).

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17067 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/regressiontests/staticfiles_tests/tests.py b/tests/regressiontests/staticfiles_tests/tests.py
index f12914f642..67977e70d1 100644
--- a/tests/regressiontests/staticfiles_tests/tests.py
+++ b/tests/regressiontests/staticfiles_tests/tests.py
@@ -352,6 +352,22 @@ class TestCollectionCachedStorage(BaseCollectionTestCase,
         with storage.staticfiles_storage.open(relpath) as relfile:
             self.assertTrue("https://" in relfile.read())
 
+    def test_cache_invalidation(self):
+        name = "cached/styles.css"
+        hashed_name = "cached/styles.93b1147e8552.css"
+        # check if the cache is filled correctly as expected
+        cache_key = storage.staticfiles_storage.cache_key(name)
+        cached_name = storage.staticfiles_storage.cache.get(cache_key)
+        self.assertEqual(self.cached_file_path(name), cached_name)
+        # clearing the cache to make sure we re-set it correctly in the url method
+        storage.staticfiles_storage.cache.clear()
+        cached_name = storage.staticfiles_storage.cache.get(cache_key)
+        self.assertEqual(cached_name, None)
+        self.assertEqual(self.cached_file_path(name), hashed_name)
+        cached_name = storage.staticfiles_storage.cache.get(cache_key)
+        self.assertEqual(cached_name, hashed_name)
+
+
 # we set DEBUG to False here since the template tag wouldn't work otherwise
 TestCollectionCachedStorage = override_settings(**dict(TEST_SETTINGS,
     STATICFILES_STORAGE='django.contrib.staticfiles.storage.CachedStaticFilesStorage',