Add testable interface for datastore.

filter/count/rds.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package count
 
 import (
         "golang.org/x/net/context"
 
         ds "github.com/luci/gae/service/datastore"
@@ skipping 47 matching lines @@
 }
 
 func (r *dsCounter) GetMulti(keys []ds.Key, meta ds.MultiMetaGetter, cb ds.GetMultiCB) error {
         return r.c.GetMulti.up(r.ds.GetMulti(keys, meta, cb))
 }
 
 func (r *dsCounter) PutMulti(keys []ds.Key, vals []ds.PropertyMap, cb ds.PutMultiCB) error {
         return r.c.PutMulti.up(r.ds.PutMulti(keys, vals, cb))
 }
 
+func (r *dsCounter) Testable() ds.Testable {
+        return r.ds.Testable()
+}
+
 // FilterRDS installs a counter datastore filter in the context.
 func FilterRDS(c context.Context) (context.Context, *DSCounter) {
         state := &DSCounter{}
         return ds.AddRawFilters(c, func(ic context.Context, ds ds.RawInterface) ds.RawInterface {
                 return &dsCounter{state, ds}
         }), state
 }