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testutil.go
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testutil.go
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// Copyright (c) 2017 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 sql
import (
"fmt"
"io/ioutil"
"github.com/iancoleman/strcase"
"github.com/jmoiron/sqlx"
log "github.com/sirupsen/logrus"
"github.com/uber/cadence/common/service/config"
)
const (
defaultDriverName = "mysql"
dataSourceName = "%s:%s@%v(%v)/%s?multiStatements=true&transaction_isolation=%%27READ-COMMITTED%%27&parseTime=true&clientFoundRows=true"
)
func newConnection(cfg config.SQL) (*sqlx.DB, error) {
var db, err = sqlx.Connect(cfg.DriverName,
fmt.Sprintf(dataSourceName, cfg.User, cfg.Password, cfg.ConnectProtocol, cfg.ConnectAddr, cfg.DatabaseName))
if err != nil {
return nil, err
}
// Maps struct names in CamelCase to snake without need for db struct tags.
db.MapperFunc(strcase.ToSnake)
return db, nil
}
func createDatabase(driver string, addr string, username, password, dbName string, overwrite bool) error {
var db, err = sqlx.Connect(driver, fmt.Sprintf(dataSourceName, username, password, "tcp", addr, ""))
if err != nil {
return fmt.Errorf("failure connecting to mysql database: %v", err)
}
if overwrite {
dropDatabase(db, dbName)
}
_, err = db.Exec(`CREATE DATABASE ` + dbName)
if err != nil {
return fmt.Errorf("failure creating database %v: %v", dbName, err)
}
log.WithField(`database-name`, dbName).Debug(`created database`)
return nil
}
// DropCassandraKeyspace drops the given keyspace, if it exists
func dropDatabase(db *sqlx.DB, dbName string) (err error) {
_, err = db.Exec("DROP DATABASE " + dbName)
if err != nil {
return err
}
log.WithField(`database-name`, dbName).Info(`dropped database`)
return nil
}
// loadDatabaseSchema loads the schema from the given .sql files on this database
func loadDatabaseSchema(dir string, fileNames []string, db *sqlx.DB, override bool) (err error) {
for _, file := range fileNames {
// This is only used in tests. Excluding it from security scanners
// #nosec
content, err := ioutil.ReadFile(dir + "/" + file)
if err != nil {
return fmt.Errorf("error reading contents of file %v:%v", file, err.Error())
}
_, err = db.Exec(string(content))
if err != nil {
err = fmt.Errorf("error loading schema from %v: %v", file, err.Error())
}
}
return nil
}