test_publishOnChange.cpp

/*
   Copyright (c) 2019 Arduino.  All rights reserved.
*/

/**************************************************************************************
   INCLUDE
 **************************************************************************************/

#include <catch.hpp>

#include <util/CBORTestUtil.h>

/**************************************************************************************
   TEST CODE
 **************************************************************************************/

SCENARIO("An Arduino cloud property is published on value change", "[ArduinoCloudThing::publishOnChange]")
{
  PropertyContainer property_container;
    
  CloudInt       test  = 10;
  int const DELTA = 6;

  addPropertyToContainer(property_container, test, "test", Permission::ReadWrite).publishOnChange(DELTA);

  WHEN("test = 10, delta = 6, the property is encoded for the 1st time") {
    THEN("The property should be encoded") {
      REQUIRE(cbor::encode(property_container).size() != 0);
      WHEN("test +=4 -> test = 14") {
        test += 4;
        THEN("Since the increment since the last update (4) is smaller than the delta of 6 the property should not be encoded") {
          REQUIRE(cbor::encode(property_container).size() == 0);
          WHEN("test +=4 -> test = 18") {
            test += 4;
            THEN("Since the increment since the last update (8) is greater than the delta of 6 the property should be encoded") {
              REQUIRE(cbor::encode(property_container).size() != 0);
            }
          }
        }
      }
    }
  }
}