Add a real integration test

mtglib/proxy_test.go

@@ -1,7 +1,9 @@
 package mtglib_test
 
 import (
+	"context"
 	"crypto/tls"
+	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -16,6 +18,9 @@ import (
 	"github.com/9seconds/mtg/v2/logger"
 	"github.com/9seconds/mtg/v2/mtglib"
 	"github.com/9seconds/mtg/v2/network"
+	"github.com/gotd/td/telegram"
+	"github.com/gotd/td/telegram/dcs"
+	"github.com/gotd/td/tg"
 	"github.com/stretchr/testify/suite"
 )
 
@@ -51,6 +56,7 @@ func (suite *ProxyTestSuite) SetupSuite() {
 		IPBlocklist:     ipblocklist.NewNoop(),
 		EventStream:     events.NewNoopStream(),
 		Logger:          logger.NewNoopLogger(),
+		UseTestDCs:      true,
 	}
 
 	proxy, err := mtglib.NewProxy(*suite.opts)
@@ -168,6 +174,32 @@ func (suite *ProxyTestSuite) TestHTTPSRequest() {
 	suite.NotEmpty(jsonStruct.Headers.TraceID)
 }
 
+func (suite *ProxyTestSuite) TestMakeRealRequest() {
+	secret, _ := hex.DecodeString(suite.opts.Secret.Hex())
+	resolver, err := dcs.MTProxyResolver(
+		suite.ProxyAddress(),
+		secret,
+		dcs.MTProxyOptions{},
+	)
+	suite.NoError(err)
+
+	tgClient := telegram.NewClient(telegram.TestAppID,
+		telegram.TestAppHash,
+		telegram.Options{
+			Resolver: resolver,
+		})
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	suite.NoError(tgClient.Run(ctx, func(ctx context.Context) error {
+		_, err := tg.NewClient(tgClient).HelpGetConfig(ctx)
+		suite.NoError(err)
+
+		return err // nolint: wrapcheck
+	}))
+}
+
 func TestProxy(t *testing.T) {
 	t.Parallel()
 	suite.Run(t, &ProxyTestSuite{})