From 190177bb6792fa3d4f54b1edfd198ee101543bdf Mon Sep 17 00:00:00 2001
From: Dmitriy Lyubimov <dlyubimov@apache.org>
Date: Sun, 9 Jul 2017 23:27:11 -0700
Subject: [PATCH] Unit test and small fix.

---
 Hydra_EVSE/Hydra_EVSE.h |  2 +-
 Hydra_EVSE/onlineSum.h  |  3 +++
 Hydra_EVSE/units.cpp    | 34 +++++++++++++++++++++++++++++++++-
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/Hydra_EVSE/Hydra_EVSE.h b/Hydra_EVSE/Hydra_EVSE.h
index 89e4b7f..5789e0a 100644
--- a/Hydra_EVSE/Hydra_EVSE.h
+++ b/Hydra_EVSE/Hydra_EVSE.h
@@ -39,7 +39,7 @@
 #define SW_VERSION "2.4.1-dev"
 
 // Define this for the basic unit tests run in a generica arduino uno board with a display shield.
-// #define UNIT_TESTS
+ #define UNIT_TESTS
 
 #define UINT_BITS (sizeof(unsigned int) << 3)
 #define ULONG_BITS (sizeof(unsigned long) << 3)
diff --git a/Hydra_EVSE/onlineSum.h b/Hydra_EVSE/onlineSum.h
index b3db849..dc4d806 100644
--- a/Hydra_EVSE/onlineSum.h
+++ b/Hydra_EVSE/onlineSum.h
@@ -121,6 +121,9 @@ class RTCModel {
 
     void reset();
 
+    // For testing only
+    double getRate() { return rate; }
+
 
 
 };
diff --git a/Hydra_EVSE/units.cpp b/Hydra_EVSE/units.cpp
index 54635c7..0da7a6a 100644
--- a/Hydra_EVSE/units.cpp
+++ b/Hydra_EVSE/units.cpp
@@ -180,6 +180,37 @@ static void testEWASumSetup() {
   ok("ewa-sum");
 }
 
+static void testRTCModelSetup() {
+  double calRate = .175;
+  int offPerDay = 4;
+  int adjustError = 3 * 60;
+  char calib = 0;
+
+  time_t t = now();
+  RTCModel calibrator (0.5);
+  calib = calibrator.update(t, t);
+
+  for (int i = 0; i < 10; i++) {
+     double dailyOff = offPerDay + calib*calRate;
+     double skipDays = abs(adjustError /dailyOff);
+     if (isinf(skipDays)) {
+       logInfo(P("Inf done"));
+       break;
+     }
+     double adjErr = skipDays * dailyOff + random(60) - 30;
+     Serial.print((int)calib);
+     Serial.print('/');
+     Serial.print(skipDays);
+     Serial.print('/');
+     Serial.println(calibrator.getRate());
+
+     t+= skipDays * SECS_PER_DAY;
+     calib = calibrator.update(t,-adjErr);
+  }
+  ok("RTCModel");
+  
+}
+
 
 
 
@@ -187,7 +218,8 @@ int unitsSetup() {
 
   testEepromSetup();
   testDstSetup();
-  testEWASumSetup();
+//  testEWASumSetup();
+  testRTCModelSetup();
   testDisplayStatus();
   testMenuSetup();
   return false;