public CorrelationResponse Post([FromBody] CorrelationRequestAnalytic request)
{
CorrelationResponse result = new CorrelationResponse();
var watch = Stopwatch.StartNew();
try
{
var correlationCalculator = CorrelationCalculator.Create(request.Type);
var scriptCompilator = new ScriptCompiler();
var function1 = Function.Create(scriptCompilator.GetFunc(request.Function1),
request.LeftBorder,
request.RightBorder,
request.PointsCount);
var function2 = Function.Create(scriptCompilator.GetFunc(request.Function2),
request.LeftBorder,
request.RightBorder,
request.PointsCount);
result.Value = correlationCalculator.GetCorrelation(function1, function2);
}
catch (Exception e)
{
result.Error = e.Message;
}
finally
{
watch.Stop();
result.ExecutionTime = watch.ElapsedMilliseconds;
}
return(result);
}
public void ControllerReturnsErrorWhenSyntaxErrorInAnalyticFunction()
{
var controller = new CorrelationController();
var request = new CorrelationRequestAnalytic()
{
Type = CorrelationType.Kendall,
Function1 = "x+1",
Function2 = "*Pow(x) + 1", //Error here
LeftBorder = -Math.PI,
RightBorder = Math.PI,
PointsCount = 100
};
CorrelationResponse response = controller.Post(request);
Assert.NotEqual(response.Error, null);
}
public void ControllerWorksIdenticallyForAnalyticAndNumericFunctions()
{
var controller = new CorrelationController();
var scriptCompiler = new ScriptCompiler();
string funcDesc1 = "Cos(x)";
string funcDesc2 = "Sin(x)";
double leftBorder = -1, rightBorder = 1;
int pointsCount = 20;
var function1 = Function.Create(scriptCompiler.GetFunc(funcDesc1), leftBorder, rightBorder, pointsCount);
var function2 = Function.Create(scriptCompiler.GetFunc(funcDesc2), leftBorder, rightBorder, pointsCount);
var requestAnalytic = new CorrelationRequestAnalytic()
{
Type = CorrelationType.Pearson,
Function1 = funcDesc1,
Function2 = funcDesc2, //Error here
LeftBorder = leftBorder,
RightBorder = rightBorder,
PointsCount = pointsCount
};
var requestNumeric = new CorrelationRequestNumeric()
{
Type = CorrelationType.Pearson,
Function1 = function1,
Function2 = function2
};
CorrelationResponse response1 = controller.Post(requestAnalytic);
CorrelationResponse response2 = controller.Post(requestNumeric);
Assert.Equal(response1.Value, response2.Value);
}
