move gotd fork into repo. (#111)

- update to latest telegram layer
- remove some references to fields in tg.Entities that don't exist in
the schema
- originally added here:
https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e
  - referenced here
-
https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3
-
https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e

pkg/gotd/telegram/message/doc_test.go

@@ -0,0 +1,50 @@
+package message
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tgerr"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tgmock"
+)
+
+func testSender(t *testing.T) (*Sender, *tgmock.Mock) {
+	mock := tgmock.NewRequire(t)
+	sender := NewSender(tg.NewClient(mock))
+	return sender, mock
+}
+
+func testRPCError() *tgerr.Error {
+	return &tgerr.Error{
+		Code:    1337,
+		Message: "TEST_ERROR",
+		Type:    "TEST_ERROR",
+	}
+}
+
+func expectSendMedia(t *testing.T, attachment tg.InputMediaClass, mock *tgmock.Mock) {
+	expectSendMediaAndText(t, attachment, mock, "")
+}
+
+func expectSendMediaAndText(
+	t *testing.T, attachment tg.InputMediaClass, mock *tgmock.Mock,
+	msg string, entities ...tg.MessageEntityClass,
+) {
+	mock.ExpectFunc(func(b bin.Encoder) {
+		req, ok := b.(*tg.MessagesSendMediaRequest)
+		require.True(t, ok)
+		require.True(t, ok)
+		require.Equal(t, &tg.InputPeerSelf{}, req.Peer)
+		require.Equal(t, msg, req.Message)
+		require.Equal(t, attachment, req.Media)
+		require.NotZero(t, req.RandomID)
+
+		require.Equal(t, len(entities), len(req.Entities))
+		if len(entities) > 0 {
+			require.Equal(t, entities, req.Entities)
+		}
+	}).ThenResult(&tg.Updates{})
+}