add Arduino-CI + prepare unit tests

.arduino-ci.yml

@@ -0,0 +1,11 @@
+compile:
+  # Choosing to run compilation tests on 2 different Arduino platforms
+  platforms:
+    - uno
+    - leonardo
+    - due
+    - zero
+unittest:
+  # These dependent libraries will be installed
+  libraries:
+    - "OneWire"

.github/workflows/arduino-lint.yml

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+on: [push, pull_request]
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: arduino/arduino-lint-action@v1
+        with:
+          library-manager: update
+          compliance: strict

.github/workflows/arduino_test_runner.yml

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+---
+name: Arduino CI
+
+on: [push, pull_request]
+
+jobs:
+  arduino_ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: Arduino-CI/action@master
+          #   Arduino-CI/[email protected]

.github/workflows/jsoncheck.yml

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+name: JSON check
+
+on:
+  push:
+    paths:
+      - '**.json'
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: json-syntax-check
+        uses: limitusus/json-syntax-check@v1
+        with:
+          pattern: "\\.json$"
+

test/unit_test_001.cpp_disabled

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+
+// DISABLED AS NOT ALL STD LIBRARIES ARE MOCKED / INCLUDEABLE
+
+
+//
+//    FILE: unit_test_001.cpp
+//  AUTHOR: Miles Burton / Rob Tillaart
+//    DATE: 2021-01-10
+// PURPOSE: unit tests for the Arduino-Temperature-Control-Library
+//          https://github.com/MilesBurton/Arduino-Temperature-Control-Library
+//          https://github.com/Arduino-CI/arduino_ci/blob/master/REFERENCE.md
+//
+
+// supported assertions
+// ----------------------------
+// assertEqual(expected, actual);               // a == b
+// assertNotEqual(unwanted, actual);            // a != b
+// assertComparativeEquivalent(expected, actual);    // abs(a - b) == 0 or (!(a > b) && !(a < b))
+// assertComparativeNotEquivalent(unwanted, actual); // abs(a - b) > 0  or ((a > b) || (a < b))
+// assertLess(upperBound, actual);              // a < b
+// assertMore(lowerBound, actual);              // a > b
+// assertLessOrEqual(upperBound, actual);       // a <= b
+// assertMoreOrEqual(lowerBound, actual);       // a >= b
+// assertTrue(actual);
+// assertFalse(actual);
+// assertNull(actual);
+
+// // special cases for floats
+// assertEqualFloat(expected, actual, epsilon);    // fabs(a - b) <= epsilon
+// assertNotEqualFloat(unwanted, actual, epsilon); // fabs(a - b) >= epsilon
+// assertInfinity(actual);                         // isinf(a)
+// assertNotInfinity(actual);                      // !isinf(a)
+// assertNAN(arg);                                 // isnan(a)
+// assertNotNAN(arg);                              // !isnan(a)
+
+#include <ArduinoUnitTests.h>
+
+
+#include "Arduino.h"
+
+/*
+
+
+// BASED UPON SIMPLE
+// 
+
+
+#include "OneWire.h"
+#include "DallasTemperature.h"
+
+// Data wire is plugged into port 2 on the Arduino
+#define ONE_WIRE_BUS 2
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature. 
+DallasTemperature sensors(&oneWire);
+
+
+
+unittest_setup()
+{
+}
+
+unittest_teardown()
+{
+}
+
+
+
+unittest(test_constructor)
+{
+  fprintf(stderr, "VERSION: %s\n", DALLASTEMPLIBVERSION);
+
+  sensors.begin();
+  sensors.requestTemperatures();
+  float tempC = sensors.getTempCByIndex(0);
+  if(tempC != DEVICE_DISCONNECTED_C) 
+  {
+    fprintf(stderr, "Temperature for the device 1 (index 0) is: ");
+    fprintf(stderr, "5f\n", tempC);
+  } 
+  else
+  {
+    fprintf(stderr, "Error: Could not read temperature data\n");
+  }
+
+  assertEqual(1, 1);  // keep unit test happy
+}
+*/
+
+unittest_main()
+
+// --------