Files
mautrix-telegram/pkg/gotd/mtproto/conn_test.go
T
2026-02-26 18:24:51 +02:00

91 lines
2.0 KiB
Go

package mtproto
import (
"context"
"crypto/md5"
"fmt"
"math/rand"
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"go.uber.org/zap"
"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
"go.mau.fi/mautrix-telegram/pkg/gotd/crypto"
"go.mau.fi/mautrix-telegram/pkg/gotd/mt"
"go.mau.fi/mautrix-telegram/pkg/gotd/proto"
"go.mau.fi/mautrix-telegram/pkg/gotd/rpc"
"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
"go.mau.fi/mautrix-telegram/pkg/gotd/tmap"
)
type testHandler func(msgID int64, seqNo int32, body bin.Encoder) (bin.Encoder, error)
type testClientOption func(o Options)
func newTestClient(h testHandler, opts ...testClientOption) *Conn {
var engine *rpc.Engine
engine = rpc.New(func(ctx context.Context, msgID int64, seqNo int32, in bin.Encoder) error {
if response, err := h(msgID, seqNo, in); err != nil {
engine.NotifyError(msgID, err)
} else {
var b bin.Buffer
if err := b.Encode(response); err != nil {
return err
}
return engine.NotifyResult(msgID, &b)
}
return nil
}, rpc.Options{})
opt := Options{
Logger: zap.NewNop(),
Random: rand.New(rand.NewSource(1)),
Key: crypto.Key{}.WithID(),
engine: engine,
}
for _, o := range opts {
o(opt)
}
return New(nil, opt)
}
// newCorpusTracer will save incoming messages to corpus folder.
//
// Usage:
//
// client.trace.OnMessage = newCorpusTracer(t)
//
// nolint: deadcode,unused // optional
func newCorpusTracer(t testing.TB) func(b *bin.Buffer) {
types := tmap.New(
mt.TypesMap(),
tg.TypesMap(),
proto.TypesMap(),
)
dir := filepath.Join("..", "_fuzz", "handle_message", "corpus")
return func(b *bin.Buffer) {
id, _ := b.PeekID()
h := md5.Sum(b.Buf)
name := types.Get(id)
if name == "" {
name = "unknown"
}
if idx := strings.Index(name, "#"); idx > 0 {
// Removing type id from name.
name = name[:idx]
}
base := fmt.Sprintf("trace_%x_%s_%x",
id, name, h,
)
assert.NoError(t, os.WriteFile(filepath.Join(dir, base), b.Buf, 0600))
}
}