private PropertyDescriptor[] OrderPropertyDescriptors(IEnumerable <PropertyDescriptor> propertyDescriptorsToReturn)
{
var unorderedProperties = new List <PropertyDescriptor>();
var propertiesWithOrdering = new List <Tuple <int, PropertyDescriptor> >();
foreach (PropertyDescriptor pd in propertyDescriptorsToReturn)
{
PropertyOrderAttribute propertyOrderAttribute = pd.Attributes.OfType <PropertyOrderAttribute>().FirstOrDefault();
if (propertyOrderAttribute != null)
{
propertiesWithOrdering.Add(Tuple.Create(propertyOrderAttribute.Order, pd));
continue;
}
DynamicPropertyOrderAttribute dynamicPropertyOrderAttribute = pd.Attributes.OfType <DynamicPropertyOrderAttribute>().FirstOrDefault();
if (dynamicPropertyOrderAttribute != null)
{
propertiesWithOrdering.Add(Tuple.Create(DynamicPropertyOrderAttribute.PropertyOrder(WrappedObject, pd.Name), pd));
continue;
}
unorderedProperties.Add(pd);
}
IEnumerable <PropertyDescriptor> orderedProperties = propertiesWithOrdering.OrderBy(p => p.Item1).Select(p => p.Item2);
return(orderedProperties.Concat(unorderedProperties).ToArray());
}
public void PropertyOrder_NoPropertyName_ReturnZero(string propertyName)
{
// Call
int propertyOrder = DynamicPropertyOrderAttribute.PropertyOrder(new object(), propertyName);
// Assert
Assert.AreEqual(0.0, propertyOrder);
}
public void DefaultConstructor_ExpectedValues()
{
// Call
var attribute = new DynamicPropertyOrderAttribute();
// Assert
Assert.IsInstanceOf <Attribute>(attribute);
}
public void PropertyOrder_GivenPropertyDoesNotHaveDynamicPropertyOrderAttribute_ReturnZero()
{
// Setup
var o = new ClassWithPropertyWithoutDynamicPropertyOrderAttribute();
// Call
int propertyOrder = DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
Assert.AreEqual(0, propertyOrder);
}
public void PropertyOrder_ClassWithDynamicPropertyOrderProperty_ReturnResultFromEvaluationMethod(int propertyOrder)
{
// Setup
var o = new ClassWithDynamicPropertyOrderProperty(propertyOrder);
// Call
int result = DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
Assert.AreEqual(propertyOrder, result);
}
public void PropertyOrder_GivenPropertyNameDoesNotExistOnObject_ThrowMissingMemberException()
{
// Setup
var o = new object();
// Call
TestDelegate call = () => DynamicPropertyOrderAttribute.PropertyOrder(o, "NotExistingProperty");
// Assert
string exceptionMessage = Assert.Throws <MissingMemberException>(call).Message;
Assert.AreEqual($"Kon eigenschap NotExistingProperty van type {o.GetType()} niet vinden.", exceptionMessage);
}
public void PropertyOrder_ClassHasMultipleDynamicPropertyOrderEvaluationMethods_ThrowsMissingMethodException()
{
// Setup
var o = new InvalidClassWithDynamicPropertyOrderPropertyAndMultipleEvaluationMethods();
// Call
TestDelegate call = () => DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
string exceptionMessage = Assert.Throws <MissingMethodException>(call).Message;
string expectedMessage = $"Slechts één DynamicPropertyOrderEvaluationMethod toegestaan per klasse: {o.GetType()}.";
Assert.AreEqual(expectedMessage, exceptionMessage);
}
public void PropertyOrder_ClassLacksDynamicPropertyOrderValidationMethod_ThrowsMissingMethodException()
{
// Setup
var o = new InvalidClassWithDynamicPropertyOrderPropertyButNoEvaluationMethod();
// Call
TestDelegate call = () => DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
string exceptionMessage = Assert.Throws <MissingMethodException>(call).Message;
string expectedMessage = $"DynamicPropertyOrderEvaluationMethod niet gevonden (of geen 'public' toegankelijkheid). Klasse: {o.GetType()}.";
Assert.AreEqual(expectedMessage, exceptionMessage);
}
public void PropertyOrder_ClassHasDynamicPropertyOrderEvaluationMethodWithIncorrectArgumentType_ThrowsMissingMethodException()
{
// Setup
var o = new InvalidClassWithDynamicPropertyOrderPropertyButEvaluationMethodArgumentNotString();
// Call
TestDelegate call = () => DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
string exceptionMessage = Assert.Throws <MissingMethodException>(call).Message;
string expectedMessage = $"Argument van DynamicPropertyOrderEvaluationMethod moet van het type 'string' zijn. Klasse: {o.GetType()}.";
Assert.AreEqual(expectedMessage, exceptionMessage);
}
public void PropertyOrder_ClassHasDynamicPropertyOrderEvaluationMethodWithIncorrectArgumentCount_ThrowsMissingMethodException()
{
// Setup
var o = new InvalidClassWithDynamicPropertyOrderPropertyButEvaluationMethodNotOneArgument();
// Call
TestDelegate call = () => DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
string exceptionMessage = Assert.Throws <MissingMethodException>(call).Message;
string expectedMessage = $"DynamicPropertyOrderEvaluationMethod heeft een incorrect aantal argumenten. Zou er één moeten zijn. Klasse: {o.GetType()}.";
Assert.AreEqual(expectedMessage, exceptionMessage);
}
public void PropertyOrder_ClassHasDynamicPropertyOrderEvaluationMethodWithNonIntReturnType_ThrowsMissingMethodException()
{
// Setup
var o = new InvalidClassWithDynamicPropertyOrderPropertyButEvaluationMethodReturnsIncorrectValueType();
// Call
TestDelegate call = () => DynamicPropertyOrderAttribute.PropertyOrder(o, "Property");
// Assert
string exceptionMessage = Assert.Throws <MissingMethodException>(call).Message;
string expectedMessage = $"DynamicPropertyOrderEvaluationMethod moet 'int' als 'return type' hebben. Klasse: {o.GetType()}.";
Assert.AreEqual(expectedMessage, exceptionMessage);
}
