Merge pull request #272 from milesburton/fix/restore-unit-tests-part-2

fix: Restore the next set of unit tests

Author: milesburton

test/unit_test_001.cpp

@@ -0,0 +1,76 @@
+//    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
+
+
+#include <ArduinoUnitTests.h>
+#include <Arduino.h>
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Mock pin for testing
+#define ONE_WIRE_BUS 2
+
+unittest_setup() {
+    fprintf(stderr, "VERSION: %s\n", DALLASTEMPLIBVERSION);
+}
+
+unittest_teardown() {
+    fprintf(stderr, "\n");
+}
+
+// Test constants defined in the library
+unittest(test_models) {
+    assertEqual(0x10, DS18S20MODEL);
+    assertEqual(0x28, DS18B20MODEL);
+    assertEqual(0x22, DS1822MODEL);
+    assertEqual(0x3B, DS1825MODEL);
+    assertEqual(0x42, DS28EA00MODEL);
+}
+
+// Test error codes defined in the library
+unittest(test_error_code) {
+    assertEqual(DEVICE_DISCONNECTED_C, -127);
+    assertEqual(DEVICE_DISCONNECTED_F, -196.6);
+    assertEqual(DEVICE_DISCONNECTED_RAW, -7040);
+
+    assertEqual(DEVICE_FAULT_OPEN_C, -254);
+    assertEqualFloat(DEVICE_FAULT_OPEN_F, -425.2, 0.1);
+    assertEqual(DEVICE_FAULT_OPEN_RAW, -32512);
+
+    assertEqual(DEVICE_FAULT_SHORTGND_C, -253);
+    assertEqualFloat(DEVICE_FAULT_SHORTGND_F, -423.4, 0.1);
+    assertEqual(DEVICE_FAULT_SHORTGND_RAW, -32384);
+
+    assertEqual(DEVICE_FAULT_SHORTVDD_C, -252);
+    assertEqualFloat(DEVICE_FAULT_SHORTVDD_F, -421.6, 0.1);
+    assertEqual(DEVICE_FAULT_SHORTVDD_RAW, -32256);
+}
+
+// Test basic initialization and functionality of the DallasTemperature library
+unittest(test_initialization) {
+    OneWire oneWire(ONE_WIRE_BUS);
+    DallasTemperature sensors(&oneWire);
+
+    sensors.begin();
+
+    // Initially, there should be no devices detected
+    assertEqual(0, sensors.getDeviceCount());
+    assertFalse(sensors.isParasitePowerMode());
+}
+
+// Simulate a basic temperature read (mocked)
+unittest(test_temperature_read) {
+    OneWire oneWire(ONE_WIRE_BUS);
+    DallasTemperature sensors(&oneWire);
+
+    sensors.begin();
+
+    // Mock reading temperature
+    float tempC = sensors.getTempCByIndex(0);
+    assertEqual(DEVICE_DISCONNECTED_C, tempC); // Simulated no device connected
+}
+
+unittest_main()