public FunctionMetadata GetMetadata(Type functionType)
{
FunctionMetadata functionMetadata = new FunctionMetadata(functionType);
functionMetadata.Id = MD5.GetHashString(functionType.FullName);
var displayNameAttr = functionType.GetCustomAttribute<DisplayNameAttribute>();
functionMetadata.DisplayName = displayNameAttr != null ? displayNameAttr.DisplayName : null;
var categoryAttr = functionType.GetCustomAttribute<CategoryAttribute>();
functionMetadata.Category = categoryAttr != null ? categoryAttr.Category : null;
var sectionAttr = functionType.GetCustomAttribute<SectionAttribute>();
functionMetadata.Section = sectionAttr != null ? sectionAttr.Name : null;
var descriptionAttr = functionType.GetCustomAttribute<DescriptionAttribute>();
functionMetadata.Description = descriptionAttr != null ? descriptionAttr.Description : null;
foreach (var signature in functionType.GetCustomAttributes<FunctionSignatureAttribute>())
{
functionMetadata.Signatures.Add(GetFunctionSignatureMetadata(signature));
}
foreach (var exampleUsage in functionType.GetCustomAttributes<ExampleUsageAttribute>())
{
functionMetadata.ExampleUsages.Add(new ExampleUsage(exampleUsage.Expression, exampleUsage.Result)
{
CanMultipleResults = exampleUsage.CanMultipleResults
});
}
return functionMetadata;
}
public void AllFunctionsTest_ShouldContainsCorrectedExampleUsages(FunctionMetadata item)
{
//action
foreach (var exampleUsage in item.ExampleUsages)
{
//action
int zeroThreshold = 14;
int complexThreshold = 10;
Expression<Object> tree = ExpressionTreeBuilder.BuildTree(exampleUsage.Expression);
object actual = tree.Evaluate();
//assert
(actual is Complex || actual is CMatrix).Should().BeTrue("Result must have be only following types: Complex, Matrix.");
if (actual is Complex) actual = NumericUtil.ComplexZeroThreshold((Complex)actual, complexThreshold, zeroThreshold);
if (actual is CMatrix) actual = NumericUtilExtensions.ComplexZeroThreshold((CMatrix)actual, complexThreshold, zeroThreshold);
if (!exampleUsage.CanMultipleResults)
{
IFormattable formatedResult = (IFormattable)actual;
formatedResult.ToString(null, CultureInfo.InvariantCulture).Replace(" ", String.Empty)
.Should().Be(exampleUsage.Result.Replace(" ", String.Empty),
"Example usage contains inccorect result. Target type: {0}", item.FunctionType);
}
}
}
