Files
mautrix-telegram/pkg/gotd/session/tdesktop/mtp_authorization_test.go
T
2025-06-27 20:03:37 -07:00

55 lines
1.4 KiB
Go

package tdesktop
import (
"bytes"
"fmt"
"testing"
"github.com/stretchr/testify/require"
"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
)
func Test_mtpAuthorization_deserialize(t *testing.T) {
testData := []uint8{
0x00, 0x00, 0x00, 0x4b, // dbiMtpAuthorization
0x00, 0x00, 0x05, 0x30, // mainLength
0xff, 0xff, 0xff, 0xff, // legacyUserId
0xff, 0xff, 0xff, 0xff, // legacyMainDcId
0x00, 0x00, 0x00, 0x00, 0x12, 0x73, 0xab, 0x45, // UserID = 309570373
0x00, 0x00, 0x00, 0x02, // DC = 2
0x00, 0x00, 0x00, 0x05, // 5 keys.
}
maxCut := len(testData) + 16
for i := byte(0); i < 5; i++ {
testData = append(testData, 0, 0, 0, i) // DC ID as BigEndian uint32
key := bytes.Repeat([]byte{i}, 256)
testData = append(testData, key...)
}
t.Run("OK", func(t *testing.T) {
a := require.New(t)
var m MTPAuthorization
a.NoError(m.deserialize(&qtReader{buf: bin.Buffer{Buf: testData}}))
a.Equal(uint64(309570373), m.UserID)
a.Equal(2, m.MainDC)
a.Len(m.Keys, 5)
for i := 0; i < 5; i++ {
a.Equal(m.Keys[i][0], uint8(i))
}
})
t.Run("WrongID", func(t *testing.T) {
a := require.New(t)
var m MTPAuthorization
a.Error(m.deserialize(&qtReader{buf: bin.Buffer{Buf: make([]byte, 4)}}))
})
for i := 0; i < maxCut; i += 4 {
t.Run(fmt.Sprintf("EOFAfter%d", i), func(t *testing.T) {
a := require.New(t)
var m MTPAuthorization
a.Error(m.deserialize(&qtReader{buf: bin.Buffer{Buf: testData[:i]}}))
})
}
}