added redis pipe var and fixed pluggable test

Author: chillaq

splitio/storage/redis.py

@@ -18,7 +18,7 @@
 MAX_TAGS = 10
 
 class RedisSplitStorageBase(SplitStorage):
-    """Redis-based storage base for feature flags."""
+    """Redis-based storage base for     s."""
 
     _FEATURE_FLAG_KEY = 'SPLITIO.split.{feature_flag_name}'
     _FEATURE_FLAG_TILL_KEY = 'SPLITIO.splits.till'
@@ -336,6 +336,7 @@ def __init__(self, redis_client, enable_caching=False, max_age=DEFAULT_MAX_AGE,
         self.redis = redis_client
         self._enable_caching = enable_caching
         self.flag_set_filter = FlagSetsFilter(config_flag_sets)
+        self._pipe = self.redis.pipeline
         if enable_caching:
             self._cache = LocalMemoryCache(None, None, max_age)
 

tests/storage/test_pluggable.py

@@ -86,11 +86,9 @@ def get_keys_by_prefix(self, prefix):
     def get_many(self, keys):
         with self._lock:
             returned_keys = []
-            for key in keys:
-                if key in self._keys:
+            for key in self._keys:
+                if key in keys:
                     returned_keys.append(self._keys[key])
-                else:
-                    returned_keys.append(None)
             return returned_keys
 
     def add_items(self, key, added_items):