add pub_sub test

Author: toddtreece

.tests/pub_sub/config.template

@@ -0,0 +1,34 @@
+/************************ Adafruit IO Config *******************************/
+
+#define IO_USERNAME    "${io_username}"
+#define IO_KEY         "${io_key}"
+
+/******************************* WIFI **************************************/
+
+#define WIFI_SSID      "${wifi_ssid}"
+#define WIFI_PASS      "${wifi_pass}"
+
+<%
+if (["ESP8266", "M0_WINC1500", "WICED", "MKR1000"].contains(platform)) {
+  println '#include "AdafruitIO_WiFi.h"'
+  println 'AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS);'
+}
+%>
+
+/******************************* FONA **************************************/
+
+<%
+if (["FONA_32U4"].contains(platform)) {
+  println '#include "AdafruitIO_FONA.h"'
+  println 'AdafruitIO_FONA io(IO_USERNAME, IO_KEY);'
+}
+%>
+
+/**************************** ETHERNET ************************************/
+
+<%
+if (["M0_ETHERNETWING"].contains(platform)) {
+  println '#include "AdafruitIO_Ethernet.h"'
+  println 'AdafruitIO_Ethernet io(IO_USERNAME, IO_KEY);'
+}
+%>

.tests/pub_sub/pub_sub.ino

@@ -0,0 +1,47 @@
+#include <ArduinoTap.h>
+#include "config.h"
+
+/************************ Example Starts Here *******************************/
+
+AdafruitIO_Feed *pubsub = io.feed("pubsub");
+char time[] = __TIME__;
+
+void setup() {
+
+  // start the serial connection
+  Serial.begin(115200);
+
+  // wait for serial monitor to open
+  while(! Serial);
+
+  delay(3000);
+
+  plan(2);
+
+  io.connect();
+  pubsub->onMessage(handleMessage);
+
+  while(io.status() < AIO_CONNECTED) {
+    delay(500);
+  }
+
+  ok(io.status() > AIO_CONNECTED, "connected to IO");
+  ok(pubsub->save(time), "sent message");
+
+}
+
+void loop() {
+  io.run();
+}
+
+void handleMessage(AdafruitIO_Data *data) {
+  ok(compareChar(time, data->value()), "message received");
+  done_testing();
+}
+
+
+bool compareChar(char *a, char *b)
+{
+  return strcmp(a,b) == 0;
+}
+