public void CheckMeasuredValue()
{
var mv = new MeasuredValue();
mv.Name = "test";
Assert.AreEqual(true, mv.IsValueNull());
Assert.AreEqual(false, mv.IsValid());
mv.Value = 1;
Assert.AreEqual(false, mv.IsValueNull());
Assert.AreEqual(false, mv.IsValid());
Assert.AreEqual(TypeCode.Int32, mv.GetTypeCode());
mv.TimeStamp = DateTime.Now;
Assert.AreEqual(false, mv.IsValueNull());
Assert.AreEqual(true, mv.IsValid());
mv.Value = "text";
Assert.AreEqual(TypeCode.String, mv.GetTypeCode());
int value = 2;
mv.Value = value;
Assert.AreEqual("2", mv.Value.ToString());
Assert.AreEqual(2, mv.Value);
/*string test = JsonConvert.SerializeObject(mv);
* MeasuredValue mv2 = JsonConvert.DeserializeObject<MeasuredValue>(test);
* Assert.AreEqual(2, mv2.Value);
*
* mv.Value = "Test";
* test = JsonConvert.SerializeObject(mv);
* MeasuredValue mv3 = JsonConvert.DeserializeObject<MeasuredValue>(test);
* Assert.AreEqual("Test", mv3.Value);*/
}
public static int SaveValueWhenConditionsAreMet(MeasuredValue currentValue, CompressionCondition condition)
{
if (currentValue == null)
{
throw new ArgumentNullException("currentValue");
}
if (condition == null)
{
throw new ArgumentNullException("condition");
}
// if the current value has the OPCQuality of "NoValue"
// return without writting the value
if (currentValue.Quality == OPCQuality.NoValue)
{
_logger.DebugFormat("current value {0} has the OPCQuality of \"NoValue\"", currentValue.Name);
return(0);
}
TypeCode typeCode = currentValue.GetTypeCode();
MeasuredValue previousValue = ReadLastMeasuredValueFromLocalDB(currentValue.Name, typeCode);
if (false == condition.ShouldCurrentValueBeWritten(currentValue, previousValue))
{
return(0);
}
int rowAffected = InsertIntoDatabase(currentValue, typeCode);
return(rowAffected);
}
public void CheckMeasuredValueConverter()
{
string name = "TestName";
string value = "Text";
DateTime dt = DateTime.Now;
MeasuredValue mv = MeasuredValueConverter.ConvertTo(name, dt, value, TypeCode.String);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(value, mv.Value);
Assert.AreEqual(TypeCode.String, mv.GetTypeCode());
TypeCode tc = TypeCode.Int16;
short shortValue = 100;
value = shortValue.ToString();
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(shortValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
tc = TypeCode.Int32;
int intValue = 110;
value = intValue.ToString();
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(intValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
tc = TypeCode.Int64;
long longValue = 120;
value = longValue.ToString();
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(longValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
tc = TypeCode.Single;
float floatValue = 1002.2f;
value = floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture);
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(floatValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
tc = TypeCode.Double;
double doubleValue = 2002.2;
value = doubleValue.ToString(System.Globalization.CultureInfo.InvariantCulture);
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(doubleValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
value = doubleValue.ToString(System.Globalization.CultureInfo.CreateSpecificCulture("de"));
MeasuredValueConverter.UsedCultureInfo = System.Globalization.CultureInfo.CreateSpecificCulture("de");
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(doubleValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
MeasuredValueConverter.UsedCultureInfo = System.Globalization.CultureInfo.InvariantCulture;
tc = TypeCode.Boolean;
bool boolValue = true;
value = boolValue.ToString();
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(name, mv.Name);
Assert.AreEqual(dt, mv.TimeStamp);
Assert.AreEqual(boolValue, mv.Value);
Assert.AreEqual(tc, mv.GetTypeCode());
Assert.AreEqual(OPCQuality.Good, mv.Quality);
value = "True";
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(boolValue, mv.Value);
Assert.AreEqual(OPCQuality.Good, mv.Quality);
value = "TRUE";
mv = MeasuredValueConverter.ConvertTo(name, dt, value, tc);
Assert.AreEqual(boolValue, mv.Value);
Assert.AreEqual(OPCQuality.Good, mv.Quality);
}
