getall funcs now return empty list if no matches

Author: kelseyhightower

store.go

@@ -94,7 +94,7 @@ func (s Store) GetAll(pattern string) (KVPairs, error) {
 		}
 	}
 	if len(ks) == 0 {
-		return ks, ErrNoMatch
+		return ks, nil
 	}
 	sort.Sort(ks)
 	return ks, nil
@@ -106,6 +106,9 @@ func (s Store) GetAllValues(pattern string) ([]string, error) {
 	if err != nil {
 		return vs, err
 	}
+	if len(ks) == 0 {
+		return vs, nil
+	}
 	for _, kv := range ks {
 		vs = append(vs, kv.Value)
 	}

store_test.go

@@ -61,6 +61,7 @@ var getalltests = []struct {
 			KVPair{"/app/upstream/host1", "203.0.113.0.1:8080"},
 			KVPair{"/app/upstream/host2", "203.0.113.0.2:8080"}}},
 	{"[]a]", filepath.ErrBadPattern, nil},
+	{"/app/missing/*", nil, []KVPair{}},
 }
 
 func TestGetAll(t *testing.T) {