Add some tests, fix copyMessage.

bot.go

@@ -668,3 +668,23 @@ func (bot *BotAPI) GetMyCommands() ([]BotCommand, error) {
 
 	return commands, err
 }
+
+// CopyMessage copy messages of any kind. The method is analogous to the method
+// forwardMessage, but the copied message doesn't have a link to the original
+// message. Returns the MessageID of the sent message on success.
+func (bot *BotAPI) CopyMessage(config CopyMessageConfig) (MessageID, error) {
+	params, err := config.params()
+	if err != nil {
+		return MessageID{}, err
+	}
+
+	resp, err := bot.MakeRequest(config.method(), params)
+	if err != nil {
+		return MessageID{}, err
+	}
+
+	var messageID MessageID
+	err = json.Unmarshal(resp.Result, &messageID)
+
+	return messageID, err
+}

bot_test.go

@@ -73,7 +73,7 @@ func TestSendWithMessage(t *testing.T) {
 	bot, _ := getBot(t)
 
 	msg := NewMessage(ChatID, "A test message from the test library in telegram-bot-api")
-	msg.ParseMode = "markdown"
+	msg.ParseMode = ModeMarkdown
 	_, err := bot.Send(msg)
 
 	if err != nil {
@@ -104,6 +104,26 @@ func TestSendWithMessageForward(t *testing.T) {
 	}
 }
 
+func TestCopyMessage(t *testing.T) {
+	bot, _ := getBot(t)
+
+	msg := NewMessage(ChatID, "A test message from the test library in telegram-bot-api")
+	message, err := bot.Send(msg)
+	if err != nil {
+		t.Error(err)
+	}
+
+	copyMessageConfig := NewCopyMessage(SupergroupChatID, message.Chat.ID, message.MessageID)
+	messageID, err := bot.CopyMessage(copyMessageConfig)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if messageID.MessageID == message.MessageID {
+		t.Error("copied message ID was the same as original message")
+	}
+}
+
 func TestSendWithNewPhoto(t *testing.T) {
 	bot, _ := getBot(t)
 
@@ -724,7 +744,7 @@ func TestDeleteMessage(t *testing.T) {
 	bot, _ := getBot(t)
 
 	msg := NewMessage(ChatID, "A test message from the test library in telegram-bot-api")
-	msg.ParseMode = "markdown"
+	msg.ParseMode = ModeMarkdown
 	message, _ := bot.Send(msg)
 
 	deleteMessageConfig := DeleteMessageConfig{
@@ -742,7 +762,7 @@ func TestPinChatMessage(t *testing.T) {
 	bot, _ := getBot(t)
 
 	msg := NewMessage(SupergroupChatID, "A test message from the test library in telegram-bot-api")
-	msg.ParseMode = "markdown"
+	msg.ParseMode = ModeMarkdown
 	message, _ := bot.Send(msg)
 
 	pinChatMessageConfig := PinChatMessageConfig{
@@ -761,7 +781,7 @@ func TestUnpinChatMessage(t *testing.T) {
 	bot, _ := getBot(t)
 
 	msg := NewMessage(SupergroupChatID, "A test message from the test library in telegram-bot-api")
-	msg.ParseMode = "markdown"
+	msg.ParseMode = ModeMarkdown
 	message, _ := bot.Send(msg)
 
 	// We need pin message to unpin something
@@ -777,6 +797,7 @@ func TestUnpinChatMessage(t *testing.T) {
 
 	unpinChatMessageConfig := UnpinChatMessageConfig{
 		ChatID:    message.Chat.ID,
+		MessageID: message.MessageID,
 	}
 
 	if _, err := bot.Request(unpinChatMessageConfig); err != nil {
@@ -784,6 +805,32 @@ func TestUnpinChatMessage(t *testing.T) {
 	}
 }
 
+func TestUnpinAllChatMessages(t *testing.T) {
+	bot, _ := getBot(t)
+
+	msg := NewMessage(SupergroupChatID, "A test message from the test library in telegram-bot-api")
+	msg.ParseMode = ModeMarkdown
+	message, _ := bot.Send(msg)
+
+	pinChatMessageConfig := PinChatMessageConfig{
+		ChatID:              message.Chat.ID,
+		MessageID:           message.MessageID,
+		DisableNotification: true,
+	}
+
+	if _, err := bot.Request(pinChatMessageConfig); err != nil {
+		t.Error(err)
+	}
+
+	unpinAllChatMessagesConfig := UnpinAllChatMessagesConfig{
+		ChatID: message.Chat.ID,
+	}
+
+	if _, err := bot.Request(unpinAllChatMessagesConfig); err != nil {
+		t.Error(err)
+	}
+}
+
 func TestPolls(t *testing.T) {
 	bot, _ := getBot(t)
 

configs.go

@@ -241,6 +241,10 @@ func (config CopyMessageConfig) params() (Params, error) {
 	return params, err
 }
 
+func (config CopyMessageConfig) method() string {
+	return "copyMessage"
+}
+
 // PhotoConfig contains information about a SendPhoto request.
 type PhotoConfig struct {
 	BaseFile

helpers.go

@@ -52,6 +52,18 @@ func NewForward(chatID int64, fromChatID int64, messageID int) ForwardConfig {
 	}
 }
 
+// NewCopyMessage creates a new copy message.
+//
+// chatID is where to send it, fromChatID is the source chat,
+// and messageID is the ID of the original message.
+func NewCopyMessage(chatID int64, fromChatID int64, messageID int) CopyMessageConfig {
+	return CopyMessageConfig{
+		BaseChat:   BaseChat{ChatID: chatID},
+		FromChatID: fromChatID,
+		MessageID:  messageID,
+	}
+}
+
 // NewPhotoUpload creates a new photo uploader.
 //
 // chatID is where to send it, file is a string path to the file,

types.go

@@ -584,6 +584,11 @@ func (m *Message) CommandArguments() string {
 	return m.Text[entity.Length+1:]
 }
 
+// MessageID represents a unique message identifier.
+type MessageID struct {
+	MessageID int `json:"message_id"`
+}
+
 // MessageEntity represents one special entity in a text message.
 type MessageEntity struct {
 	// Type of the entity.

types_test.go

@@ -286,6 +286,8 @@ var (
 	_ Chattable = ChatActionConfig{}
 	_ Chattable = ChatInfoConfig{}
 	_ Chattable = ChatInviteLinkConfig{}
+	_ Chattable = CloseConfig{}
+	_ Chattable = CopyMessageConfig{}
 	_ Chattable = ContactConfig{}
 	_ Chattable = DeleteChatPhotoConfig{}
 	_ Chattable = DeleteChatStickerSetConfig{}
@@ -306,6 +308,7 @@ var (
 	_ Chattable = KickChatMemberConfig{}
 	_ Chattable = LeaveChatConfig{}
 	_ Chattable = LocationConfig{}
+	_ Chattable = LogOutConfig{}
 	_ Chattable = MediaGroupConfig{}
 	_ Chattable = MessageConfig{}
 	_ Chattable = PhotoConfig{}