Add unit test for mysql configstore (#5502)

common/persistence/sql/sqldriver/interface.go

@@ -18,6 +18,8 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
+//go:generate mockgen -package $GOPACKAGE -source $GOFILE -destination interface_mock.go -self_package github.com/uber/cadence/common/persistence/sql/sqldriver
+
 package sqldriver
 
 import (

common/persistence/sql/sqlplugin/mysql/configstore.go

@@ -30,12 +30,6 @@ import (
 	"github.com/uber/cadence/common/persistence/sql/sqlplugin"
 )
 
-const (
-	_selectLatestConfigQuery = "SELECT row_type, version, timestamp, data, data_encoding FROM cluster_config WHERE row_type = ? ORDER BY version LIMIT 1;"
-
-	_insertConfigQuery = "INSERT INTO cluster_config (row_type, version, timestamp, data, data_encoding) VALUES(?, ?, ?, ?, ?)"
-)
-
 func (mdb *db) InsertConfig(ctx context.Context, row *persistence.InternalConfigStoreEntry) error {
 	_, err := mdb.driver.ExecContext(ctx, sqlplugin.DbDefaultShard, _insertConfigQuery, row.RowType, -1*row.Version, mdb.converter.ToMySQLDateTime(row.Timestamp), row.Values.Data, row.Values.Encoding)
 	return err

common/persistence/sql/sqlplugin/mysql/configstore_sql.go

@@ -0,0 +1,29 @@
+// The MIT License (MIT)
+
+// Copyright (c) 2017-2020 Uber Technologies Inc.
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+package mysql
+
+const (
+	_selectLatestConfigQuery = "SELECT row_type, version, timestamp, data, data_encoding FROM cluster_config WHERE row_type = ? ORDER BY version LIMIT 1;"
+
+	_insertConfigQuery = "INSERT INTO cluster_config (row_type, version, timestamp, data, data_encoding) VALUES(?, ?, ?, ?, ?)"
+)