Add set message reaction helpers.

bot.go

@@ -746,3 +746,15 @@ func EscapeText(parseMode string, text string) string {
 
 	return replacer.Replace(text)
 }
+
+func (bot *BotAPI) SendReaction(config SetMessageReactionConfig) (Message, error) {
+	resp, err := bot.Request(config)
+	if err != nil {
+		return Message{}, err
+	}
+
+	var message Message
+	err = json.Unmarshal(resp.Result, &message)
+
+	return message, err
+}

helper_methods.go

@@ -1141,3 +1141,31 @@ func ValidateWebAppData(token, telegramInitData string) (bool, error) {
 
 	return true, nil
 }
+
+func NewSetMessageReactionType(chatID int64, messageID int, reaction ReactionType, isBig bool) SetMessageReactionConfig {
+	return SetMessageReactionConfig{
+		BaseChatMessage: BaseChatMessage{
+			ChatConfig: ChatConfig{
+				ChatID: chatID,
+			},
+			MessageID: messageID,
+		},
+		Reaction: []ReactionType{reaction},
+		IsBig:    isBig,
+	}
+}
+
+func NewSetMessageReactionEmoji(chatID int64, messageID int, reaction string, isBig bool) SetMessageReactionConfig {
+	return SetMessageReactionConfig{
+		BaseChatMessage: BaseChatMessage{
+			ChatConfig: ChatConfig{
+				ChatID: chatID,
+			},
+			MessageID: messageID,
+		},
+		Reaction: []ReactionType{
+			{Type: "emoji", Emoji: reaction},
+		},
+		IsBig: isBig,
+	}
+}

tests/bot_integration_test.go

@@ -845,7 +845,6 @@ func TestCommands(t *testing.T) {
 	require.Equal(t, "a private command", commands[0].Description)
 }
 
-// TODO: figure out why test is failing
 func TestEditMessageMedia(t *testing.T) {
 	bot, err := getBot(t)
 	require.NoError(t, err)
@@ -872,3 +871,39 @@ func TestEditMessageMedia(t *testing.T) {
 	require.NoError(t, err)
 	require.NotNil(t, res)
 }
+
+func TestSetReaction(t *testing.T) {
+	bot, err := getBot(t)
+	require.NoError(t, err)
+
+	t.Run("set reaction using reaction type", func(t *testing.T) {
+		msg := tgbotapi.NewMessage(ChatID, "An initial message to test reaction type")
+		msg.ParseMode = tgbotapi.ModeMarkdown
+		m, err := bot.Send(msg)
+		require.NoError(t, err)
+		require.NotNil(t, m)
+
+		reaction := tgbotapi.NewSetMessageReactionType(ChatID, m.MessageID, tgbotapi.ReactionType{
+			Type:  "emoji",
+			Emoji: "👍",
+		}, true)
+
+		res, err := bot.Request(reaction)
+		require.NoError(t, err)
+		require.NotNil(t, res)
+	})
+
+	t.Run("set reaction using reaction emoji", func(t *testing.T) {
+		msg := tgbotapi.NewMessage(ChatID, "An initial message to test reaction emoji")
+		msg.ParseMode = tgbotapi.ModeMarkdown
+		m, err := bot.Send(msg)
+		require.NoError(t, err)
+		require.NotNil(t, m)
+
+		reaction := tgbotapi.NewSetMessageReactionEmoji(ChatID, m.MessageID, "👀", true)
+
+		res, err := bot.Request(reaction)
+		require.NoError(t, err)
+		require.NotNil(t, res)
+	})
+}