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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build go1.8
package mysql
import (
"database/sql"
"database/sql/driver"
"testing"
)
func TestIsolationLevelMapping(t *testing.T) {
data := []struct {
level driver.IsolationLevel
expected string
}{
{
level: driver.IsolationLevel(sql.LevelReadCommitted),
expected: "READ COMMITTED",
},
{
level: driver.IsolationLevel(sql.LevelRepeatableRead),
expected: "REPEATABLE READ",
},
{
level: driver.IsolationLevel(sql.LevelReadUncommitted),
expected: "READ UNCOMMITTED",
},
{
level: driver.IsolationLevel(sql.LevelSerializable),
expected: "SERIALIZABLE",
},
}
for i, td := range data {
if actual, err := mapIsolationLevel(td.level); actual != td.expected || err != nil {
t.Fatal(i, td.expected, actual, err)
}
}
// check unsupported mapping
expectedErr := "mysql: unsupported isolation level: 7"
actual, err := mapIsolationLevel(driver.IsolationLevel(sql.LevelLinearizable))
if actual != "" || err == nil {
t.Fatal("Expected error on unsupported isolation level")
}
if err.Error() != expectedErr {
t.Fatalf("Expected error to be %q, got %q", expectedErr, err)
}
}
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