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libraries/DHT20/test/unit_test_001.cpp

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+//
+//    FILE: unit_test_001.cpp
+//  AUTHOR: Rob Tillaart
+//    DATE: 2022-01-11
+// PURPOSE: unit tests for the DHT20 library
+//          https://github.com/RobTillaart/DHT20
+//          https://github.com/Arduino-CI/arduino_ci/blob/master/REFERENCE.md
+//
+
+// supported assertions
+// https://github.com/Arduino-CI/arduino_ci/blob/master/cpp/unittest/Assertion.h#L33-L42
+// ----------------------------
+// assertEqual(expected, actual)
+// assertNotEqual(expected, actual)
+// assertLess(expected, actual)
+// assertMore(expected, actual)
+// assertLessOrEqual(expected, actual)
+// assertMoreOrEqual(expected, actual)
+// assertTrue(actual)
+// assertFalse(actual)
+// assertNull(actual)
+// assertNotNull(actual)
+
+
+#include <ArduinoUnitTests.h>
+
+
+#include "DHT20.h"
+
+
+unittest_setup()
+{
+  fprintf(stderr, "DHT20_LIB_VERSION: %s \n", (char *) DHT20_LIB_VERSION);
+}
+
+
+unittest_teardown()
+{
+}
+
+
+unittest(test_constants)
+{
+  assertEqual(  0, DHT20_OK);
+  assertEqual(-10, DHT20_ERROR_CHECKSUM);
+  assertEqual(-11, DHT20_ERROR_CONNECT);
+  assertEqual(-12, DHT20_MISSING_BYTES);
+  assertEqual(-13, DHT20_ERROR_BYTES_ALL_ZERO);
+  assertEqual(-14, DHT20_ERROR_READ_TIMEOUT);
+  assertEqual(-15, DHT20_ERROR_LASTREAD);
+}
+
+
+unittest(test_constructor)
+{
+  DHT20 DHT(&Wire);
+
+  assertEqualFloat(0, DHT.getTemperature(), 0.001);
+  assertEqualFloat(0, DHT.getHumidity(), 0.001);
+  assertEqualFloat(0, DHT.getTempOffset(), 0.001);
+  assertEqualFloat(0, DHT.getHumOffset(), 0.001);
+
+  Wire.begin();
+  DHT.begin();
+  assertEqual(DHT20_ERROR_LASTREAD, DHT.read());
+
+  //  assertEqualFloat(0, DHT.getTemperature(), 0.001);
+  //  assertEqualFloat(0, DHT.getHumidity(), 0.001);
+  assertEqualFloat(0, DHT.getTempOffset(), 0.001);
+  assertEqualFloat(0, DHT.getHumOffset(), 0.001);
+}
+
+
+unittest(test_offset)
+{
+  DHT20 DHT(&Wire);
+
+  Wire.begin();
+  DHT.begin();
+
+  assertEqualFloat(0, DHT.getTempOffset(), 0.001);
+  assertEqualFloat(0, DHT.getHumOffset(), 0.001);
+
+  for (float offset = -1.5; offset < 1.5; offset += 0.5)
+  {
+    DHT.setHumOffset(offset);
+    DHT.setTempOffset(offset);
+
+    assertEqualFloat(offset, DHT.getTempOffset(), 0.001);
+    assertEqualFloat(offset, DHT.getHumOffset(), 0.001);
+
+    assertEqualFloat(offset, DHT.getTemperature(), 0.001);
+    assertEqualFloat(offset, DHT.getHumidity(), 0.001);
+  }
+}
+
+
+unittest_main()
+
+
+//  -- END OF FILE --
+