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resp_test.go
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package server
import (
"errors"
"testing"
"github.com/go-mysql-org/go-mysql/mysql"
"github.com/go-mysql-org/go-mysql/packet"
mockconn "github.com/go-mysql-org/go-mysql/test_util/conn"
"github.com/stretchr/testify/require"
)
func TestConnWriteOK(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
result := mysql.NewResultReserveResultset(0)
result.AffectedRows = 1
result.InsertId = 2
// write ok with insertid and affectedrows set
err := conn.writeOK(result)
require.NoError(t, err)
expected := []byte{3, 0, 0, 0, mysql.OK_HEADER, 1, 2}
require.Equal(t, expected, clientConn.WriteBuffered)
// set capability for CLIENT_PROTOCOL_41
conn.SetCapability(mysql.CLIENT_PROTOCOL_41)
conn.SetStatus(mysql.SERVER_QUERY_WAS_SLOW)
err = conn.writeOK(result)
require.NoError(t, err)
expected = []byte{7, 0, 0, 1, mysql.OK_HEADER, 1, 2, 0, 8, 0, 0}
require.Equal(t, expected, clientConn.WriteBuffered)
}
func TestConnWriteEOF(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
// write regular EOF
err := conn.writeEOF()
require.NoError(t, err)
expected := []byte{1, 0, 0, 0, mysql.EOF_HEADER}
require.Equal(t, expected, clientConn.WriteBuffered)
// set capability for CLIENT_PROTOCOL_41
conn.SetCapability(mysql.CLIENT_PROTOCOL_41)
conn.SetStatus(mysql.SERVER_MORE_RESULTS_EXISTS)
err = conn.writeEOF()
require.NoError(t, err)
expected = []byte{5, 0, 0, 1, mysql.EOF_HEADER, 0, 0, 8, 0}
require.Equal(t, expected, clientConn.WriteBuffered)
}
func TestConnWriteError(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
merr := mysql.NewDefaultError(mysql.ER_YES) // nice and short error message
// write regular Error
err := conn.writeError(merr)
require.NoError(t, err)
expected := []byte{6, 0, 0, 0, mysql.ERR_HEADER, 235, 3, 89, 69, 83}
require.Equal(t, expected, clientConn.WriteBuffered)
// set capability for CLIENT_PROTOCOL_41
conn.SetCapability(mysql.CLIENT_PROTOCOL_41)
err = conn.writeError(merr)
require.NoError(t, err)
expected = []byte{12, 0, 0, 1, mysql.ERR_HEADER, 235, 3, 35, 72, 89, 48, 48, 48, 89, 69, 83}
require.Equal(t, expected, clientConn.WriteBuffered)
// unknown error
err = conn.writeError(errors.New("test"))
require.NoError(t, err)
expected = []byte{13, 0, 0, 2, mysql.ERR_HEADER, 81, 4, 35, 72, 89, 48, 48, 48, 116, 101, 115, 116}
require.Equal(t, expected, clientConn.WriteBuffered)
}
func TestConnWriteAuthSwitchRequest(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
err := conn.writeAuthSwitchRequest("test")
require.NoError(t, err)
// first 10 bytes are static, then there is a part random, ending with a \0
expected := []byte{27, 0, 0, 0, mysql.EOF_HEADER, 116, 101, 115, 116, 0}
require.Equal(t, expected, clientConn.WriteBuffered[:10])
require.Equal(t, byte(0), clientConn.WriteBuffered[len(clientConn.WriteBuffered)-1])
}
func TestConnReadAuthSwitchRequestResponse(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
// prepare response for \NUL
clientConn.SetResponse([][]byte{{1, 0, 0, 0, 0}})
data, err := conn.readAuthSwitchRequestResponse()
require.NoError(t, err)
require.Equal(t, []byte{}, data)
// prepare response for some auth switch data
clientConn.SetResponse([][]byte{{4, 0, 0, 0, 1, 2, 3, 4}})
conn = &Conn{Conn: packet.NewConn(clientConn)}
data, err = conn.readAuthSwitchRequestResponse()
require.NoError(t, err)
require.Equal(t, []byte{1, 2, 3, 4}, data)
}
func TestConnWriteAuthMoreDataPubkey(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{
Conn: packet.NewConn(clientConn),
serverConf: &Server{
pubKey: []byte{1, 2, 3, 4},
},
}
err := conn.writeAuthMoreDataPubkey()
require.NoError(t, err)
expected := []byte{5, 0, 0, 0, mysql.MORE_DATE_HEADER, 1, 2, 3, 4}
require.Equal(t, expected, clientConn.WriteBuffered)
}
func TestConnWriteAuthMoreDataFullAuth(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
err := conn.writeAuthMoreDataFullAuth()
require.NoError(t, err)
expected := []byte{2, 0, 0, 0, mysql.MORE_DATE_HEADER, mysql.CACHE_SHA2_FULL_AUTH}
require.Equal(t, expected, clientConn.WriteBuffered)
}
func TestConnWriteAuthMoreDataFastAuth(t *testing.T) {
clientConn := &mockconn.MockConn{}
conn := &Conn{Conn: packet.NewConn(clientConn)}
err := conn.writeAuthMoreDataFastAuth()
require.NoError(t, err)
expected := []byte{2, 0, 0, 0, mysql.MORE_DATE_HEADER, mysql.CACHE_SHA2_FAST_AUTH}
require.Equal(t, expected, clientConn.WriteBuffered)
}
func TestConnWriteResultset(t *testing.T) {
clientConn := &mockconn.MockConn{MultiWrite: true}
conn := &Conn{Conn: packet.NewConn(clientConn)}
r := mysql.NewResultset(0)
// write minimalistic resultset
err := conn.writeResultset(r)
require.NoError(t, err)
// column length 0
require.Equal(t, []byte{1, 0, 0, 0, 0}, clientConn.WriteBuffered[:5])
// no fields and an EOF
require.Equal(t, []byte{1, 0, 0, 1, mysql.EOF_HEADER}, clientConn.WriteBuffered[5:10])
// no rows and another EOF
require.Equal(t, []byte{1, 0, 0, 2, mysql.EOF_HEADER}, clientConn.WriteBuffered[10:])
// reset write buffer and fill up the resultset with (little) data
clientConn.WriteBuffered = []byte{}
r, err = mysql.BuildSimpleTextResultset([]string{"a"}, [][]interface{}{{"b"}})
require.NoError(t, err)
err = conn.writeResultset(r)
require.NoError(t, err)
// column length 1
require.Equal(t, []byte{1, 0, 0, 3, 1}, clientConn.WriteBuffered[:5])
// fields and EOF
require.Equal(t, []byte{23, 0, 0, 4, 3, 100, 101, 102, 0, 0, 0, 1, 'a', 0, 12, 33, 0, 0, 0, 0, 0, 253, 0, 0, 0, 0, 0}, clientConn.WriteBuffered[5:32])
require.Equal(t, []byte{1, 0, 0, 5, mysql.EOF_HEADER}, clientConn.WriteBuffered[32:37])
// rowdata and EOF
require.Equal(t, []byte{2, 0, 0, 6, 1, 'b'}, clientConn.WriteBuffered[37:43])
require.Equal(t, []byte{1, 0, 0, 7, mysql.EOF_HEADER}, clientConn.WriteBuffered[43:])
}
func TestConnWriteFieldList(t *testing.T) {
clientConn := &mockconn.MockConn{MultiWrite: true}
conn := &Conn{Conn: packet.NewConn(clientConn)}
r, err := mysql.BuildSimpleTextResultset([]string{"c"}, [][]interface{}{{"d"}})
require.NoError(t, err)
err = conn.writeFieldList(r.Fields, nil)
require.NoError(t, err)
// column length 1
require.Equal(t, []byte{23, 0, 0, 0, 3, 100, 101, 102, 0, 0, 0, 1, 'c', 0, 12, 33, 0, 0, 0, 0, 0, 253, 0, 0, 0, 0, 0}, clientConn.WriteBuffered[:27])
require.Equal(t, []byte{1, 0, 0, 1, mysql.EOF_HEADER}, clientConn.WriteBuffered[27:])
}
func TestConnWriteFieldValues(t *testing.T) {
clientConn := &mockconn.MockConn{MultiWrite: true}
conn := &Conn{Conn: packet.NewConn(clientConn)}
r, err := mysql.BuildSimpleTextResultset([]string{"c"}, [][]interface{}{
{"d"},
{nil},
})
require.NoError(t, err)
err = conn.writeFieldList(r.Fields, nil)
require.NoError(t, err)
// fields and EOF
require.Equal(t, []byte{23, 0, 0, 0, 3, 100, 101, 102, 0, 0, 0, 1, 'c', 0, 12, 33, 0, 0, 0, 0, 0, 253, 0, 0, 0, 0, 0}, clientConn.WriteBuffered[:27])
require.Equal(t, []byte{1, 0, 0, 1, mysql.EOF_HEADER}, clientConn.WriteBuffered[27:32])
r.Values = make([][]mysql.FieldValue, len(r.RowDatas))
for i := range r.Values {
r.Values[i], err = r.RowDatas[i].Parse(r.Fields, false, r.Values[i])
require.NoError(t, err)
err = conn.writeFieldValues(r.Values[i])
require.NoError(t, err)
}
err = conn.writeEOF()
require.NoError(t, err)
// first row
require.Equal(t, []byte{2, 0, 0, 2, 1, 'd'}, clientConn.WriteBuffered[32:38])
// second row with NULL value
require.Equal(t, []byte{1, 0, 0, 3, 251}, clientConn.WriteBuffered[38:43])
// EOF
require.Equal(t, []byte{1, 0, 0, 4, mysql.EOF_HEADER}, clientConn.WriteBuffered[43:])
}
func TestWriteValue(t *testing.T) {
clientConn := &mockconn.MockConn{MultiWrite: true}
conn := &Conn{Conn: packet.NewConn(clientConn)}
// simple OK
err := conn.WriteValue(mysql.NewResultReserveResultset(0))
require.NoError(t, err)
expected := []byte{3, 0, 0, 0, mysql.OK_HEADER, 0, 0}
require.Equal(t, expected, clientConn.WriteBuffered)
// reset write buffer
clientConn.WriteBuffered = []byte{}
// resultset with no rows
rs := mysql.NewResultReserveResultset(1)
rs.Fields = []*mysql.Field{{Name: []byte("a")}}
err = conn.WriteValue(rs)
require.NoError(t, err)
expected = []byte{1, 0, 0, 1, mysql.MORE_DATE_HEADER}
require.Equal(t, expected, clientConn.WriteBuffered[:5])
// reset write buffer
clientConn.WriteBuffered = []byte{}
// resultset with rows
rs.Fields = []*mysql.Field{{Name: []byte("a")}}
rs.RowDatas = []mysql.RowData{[]byte{1, 2, 3}}
err = conn.WriteValue(rs)
require.NoError(t, err)
expected = []byte{1, 0, 0, 5, mysql.MORE_DATE_HEADER}
require.Equal(t, expected, clientConn.WriteBuffered[:5])
}