1 files changed, 67 insertions, 0 deletions
diff --git a/tests/cache/test_null_backend.py b/tests/cache/test_null_backend.py
new file mode 100644
index 0000000..9f274de
--- /dev/null
+++ b/tests/cache/test_null_backend.py
@@ -0,0 +1,67 @@
+from dogpile.cache.backends.null import NullLock
+from unittest import TestCase
+from _fixtures import _GenericBackendFixture
+from dogpile.cache.api import NO_VALUE
+from . import eq_
+import itertools
+
+class NullBackendTest(_GenericBackendFixture, TestCase):
+    backend = "dogpile.cache.null"
+
+    def test_get(self):
+        reg = self._region()
+
+        eq_(reg.get("some key"), NO_VALUE)
+
+    def test_set(self):
+        reg = self._region()
+        reg.set("some key", "some value")
+        eq_(reg.get("some key"), NO_VALUE)
+
+    def test_delete(self):
+        reg = self._region()
+        reg.delete("some key")
+        eq_(reg.get("some key"), NO_VALUE)
+
+    def test_get_multi(self):
+        reg = self._region()
+
+        eq_(
+            reg.get_multi(['a', 'b', 'c']),
+            [NO_VALUE, NO_VALUE, NO_VALUE]
+        )
+
+    def test_set_multi(self):
+        reg = self._region()
+        reg.set_multi(
+            {
+                "a": 1,
+                "b": 2,
+                "c": 3
+            }
+        )
+        eq_(
+            reg.get_multi(['a', 'b', 'c']),
+            [NO_VALUE, NO_VALUE, NO_VALUE]
+        )
+
+    def test_delete_multi(self):
+        reg = self._region()
+        reg.delete_multi(["a", "b", "c"])
+        eq_(
+            reg.get_multi(['a', 'b', 'c']),
+            [NO_VALUE, NO_VALUE, NO_VALUE]
+        )
+
+    def test_decorator(self):
+        reg = self._region()
+
+        counter = itertools.count(1)
+        @reg.cache_on_arguments()
+        def go(a, b):
+            val = next(counter)
+            return val, a, b
+
+        eq_(go(1, 2), (1, 1, 2))
+        eq_(go(1, 2), (2, 1, 2))
+        eq_(go(1, 3), (3, 1, 3))