active sending audio worked

kfsend.go

 	j, _ := json.Marshal(s)
 	postJSON(j, u)
 }
+
+type sendVoiceMsg struct {
+	ToUser  string `json:"touser"`
+	MsgType string `json:"msgtype"`
+	Voice   struct {
+		MediaID string `json:"media_id"`
+	} `json:"voice"`
+}
+
+func kfSendVoice(user, path string) {
+	mID := uploadVoice(path)
+	kfSendVoiceByMediaID(user, mID)
+}
+
+func kfSendVoiceByMediaID(user, mediaID string) {
+	u := getKfSendURL()
+	s := sendVoiceMsg{}
+	s.ToUser = user
+	s.MsgType = "voice"
+	s.Voice.MediaID = mediaID
+
+	j, _ := json.Marshal(s)
+	postJSON(j, u)
+}

kfsend_test.go

 }
 
 func TestSendVoice(t *testing.T) {
-
+	SetupConfig()
+	kfSendVoice(toUser, "media_for_test/example.amr")
+	//kfSendVoiceByMediaID(toUser, "8Tc-pcFxEMtbO6T71AaL0A16taJUpwolXpB06mBBfaPZ68R3__1nN7HuZAUyW8xR")
 }
 
 func TestSendVideo(t *testing.T) {