grafana/pkg/tsdb/mssql/proxy_test.go

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package mssql
import (
"context"
"database/sql"
"fmt"
"net"
"testing"
mssql "github.com/microsoft/go-mssqldb"
"github.com/stretchr/testify/require"
"golang.org/x/net/proxy"
)
type testDialer struct {
}
func (d *testDialer) Dial(network, addr string) (c net.Conn, err error) {
return nil, fmt.Errorf("test-dialer: Dial is not functional")
}
func (d *testDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
return nil, fmt.Errorf("test-dialer: DialContext is not functional")
}
var _ proxy.Dialer = (&testDialer{})
func TestMSSQLProxyDriver(t *testing.T) {
cnnstr := "server=127.0.0.1;port=1433;user id=sa;password=yourStrong(!)Password;database=db"
t.Run("Connector should use dialer context that routes through the socks proxy to db", func(t *testing.T) {
connector, err := mssql.NewConnector(cnnstr)
require.NoError(t, err)
dialer, err := newMSSQLProxyDialer("127.0.0.1", &testDialer{})
require.NoError(t, err)
connector.Dialer = (dialer)
db := sql.OpenDB(connector)
err = db.Ping()
require.Contains(t, err.Error(), "test-dialer: DialContext is not functional")
})
}