111 lines
3.0 KiB
Go
111 lines
3.0 KiB
Go
|
// Copyright (C) 2020 Storj Labs, Inc.
|
||
|
|
// See LICENSE for copying information.
|
||
|
|
|
||
|
|
package cockroachutil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"github.com/stretchr/testify/require"
|
||
|
|
"github.com/zeebo/errs"
|
||
|
|
|
||
|
|
"storj.io/common/testcontext"
|
||
|
|
"storj.io/storj/private/dbutil/pgutil/pgtest"
|
||
|
|
"storj.io/storj/private/tagsql"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestLibPqCompatibility(t *testing.T) {
|
||
|
|
ctx := testcontext.New(t)
|
||
|
|
defer ctx.Cleanup()
|
||
|
|
|
||
|
|
if *pgtest.CrdbConnStr == "" {
|
||
|
|
t.Skip("CockroachDB flag missing")
|
||
|
|
}
|
||
|
|
testDB, err := OpenUnique(ctx, *pgtest.CrdbConnStr, "TestLibPqCompatibility")
|
||
|
|
require.NoError(t, err)
|
||
|
|
defer ctx.Check(testDB.Close)
|
||
|
|
|
||
|
|
// use a single dedicated conn for testing
|
||
|
|
conn, err := testDB.Conn(ctx)
|
||
|
|
require.NoError(t, err)
|
||
|
|
defer ctx.Check(conn.Close)
|
||
|
|
|
||
|
|
// should be in idle status, no transaction, initially
|
||
|
|
require.Equal(t, txnStatusIdle, getTxnStatus(ctx, t, conn))
|
||
|
|
require.False(t, checkIsInTx(ctx, t, conn))
|
||
|
|
|
||
|
|
// start a transaction
|
||
|
|
tx, err := conn.BeginTx(ctx, nil)
|
||
|
|
require.NoError(t, err)
|
||
|
|
|
||
|
|
func() {
|
||
|
|
defer func() { err = tx.Rollback() }()
|
||
|
|
|
||
|
|
// should be idle in transaction now
|
||
|
|
require.Equal(t, txnStatusIdleInTransaction, getTxnStatus(ctx, t, conn))
|
||
|
|
require.True(t, checkIsInTx(ctx, t, conn))
|
||
|
|
|
||
|
|
// issue successful query
|
||
|
|
rows, err := tx.QueryContext(ctx, `SELECT 1`)
|
||
|
|
require.NoError(t, err)
|
||
|
|
|
||
|
|
require.True(t, rows.Next())
|
||
|
|
var n int
|
||
|
|
err = rows.Scan(&n)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.False(t, rows.Next())
|
||
|
|
err = rows.Err()
|
||
|
|
require.NoError(t, err)
|
||
|
|
err = rows.Close()
|
||
|
|
require.NoError(t, err)
|
||
|
|
|
||
|
|
// should still be idle in transaction
|
||
|
|
require.Equal(t, txnStatusIdleInTransaction, getTxnStatus(ctx, t, conn))
|
||
|
|
require.True(t, checkIsInTx(ctx, t, conn))
|
||
|
|
|
||
|
|
// issue bad query
|
||
|
|
_, err = tx.QueryContext(ctx, `SELECT BALONEY SANDWICHES`)
|
||
|
|
require.Error(t, err)
|
||
|
|
|
||
|
|
// should be in a failed transaction now
|
||
|
|
require.Equal(t, txnStatusInFailedTransaction, getTxnStatus(ctx, t, conn))
|
||
|
|
require.True(t, checkIsInTx(ctx, t, conn))
|
||
|
|
}()
|
||
|
|
|
||
|
|
// check rollback error
|
||
|
|
require.NoError(t, err)
|
||
|
|
|
||
|
|
// should be back out of any transaction
|
||
|
|
require.Equal(t, txnStatusIdle, getTxnStatus(ctx, t, conn))
|
||
|
|
require.False(t, checkIsInTx(ctx, t, conn))
|
||
|
|
}
|
||
|
|
|
||
|
|
func withCockroachConn(ctx context.Context, sqlConn tagsql.Conn, fn func(conn *cockroachConn) error) error {
|
||
|
|
return sqlConn.Raw(ctx, func(rawConn interface{}) error {
|
||
|
|
crConn, ok := rawConn.(*cockroachConn)
|
||
|
|
if !ok {
|
||
|
|
return errs.New("conn object is %T, not *cockroachConn", crConn)
|
||
|
|
}
|
||
|
|
return fn(crConn)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func getTxnStatus(ctx context.Context, t *testing.T, sqlConn tagsql.Conn) (txnStatus transactionStatus) {
|
||
|
|
err := withCockroachConn(ctx, sqlConn, func(crConn *cockroachConn) error {
|
||
|
|
txnStatus = crConn.txnStatus()
|
||
|
|
return nil
|
||
|
|
})
|
||
|
|
require.NoError(t, err)
|
||
|
|
return txnStatus
|
||
|
|
}
|
||
|
|
|
||
|
|
func checkIsInTx(ctx context.Context, t *testing.T, sqlConn tagsql.Conn) (isInTx bool) {
|
||
|
|
err := withCockroachConn(ctx, sqlConn, func(crConn *cockroachConn) error {
|
||
|
|
isInTx = crConn.isInTransaction()
|
||
|
|
return nil
|
||
|
|
})
|
||
|
|
require.NoError(t, err)
|
||
|
|
return isInTx
|
||
|
|
}
|