75 lines
1.5 KiB
Go
75 lines
1.5 KiB
Go
// Copyright (C) 2019 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
|
|
//
|
|
// Use of this source code is governed by an MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build go1.13,cgo
|
|
|
|
package sqlite3
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"database/sql/driver"
|
|
"os"
|
|
"testing"
|
|
)
|
|
|
|
func TestBeginTxCancel(t *testing.T) {
|
|
srcTempFilename := TempFilename(t)
|
|
defer os.Remove(srcTempFilename)
|
|
|
|
db, err := sql.Open("sqlite3", srcTempFilename)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
db.SetMaxOpenConns(10)
|
|
db.SetMaxIdleConns(5)
|
|
|
|
defer db.Close()
|
|
initDatabase(t, db, 100)
|
|
|
|
// create several go-routines to expose racy issue
|
|
for i := 0; i < 1000; i++ {
|
|
func() {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
conn, err := db.Conn(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := conn.Close(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}()
|
|
|
|
err = conn.Raw(func(driverConn interface{}) error {
|
|
d, ok := driverConn.(driver.ConnBeginTx)
|
|
if !ok {
|
|
t.Fatal("unexpected: wrong type")
|
|
}
|
|
|
|
go cancel() // make it cancel concurrently with exec("BEGIN");
|
|
tx, err := d.BeginTx(ctx, driver.TxOptions{})
|
|
switch err {
|
|
case nil:
|
|
switch err := tx.Rollback(); err {
|
|
case nil, sql.ErrTxDone:
|
|
default:
|
|
return err
|
|
}
|
|
case context.Canceled:
|
|
default:
|
|
// must not fail with "cannot start a transaction within a transaction"
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
}
|
|
}
|