public void Activate_SetsPropertyValue()
{
// Arrange
var instance = new TestClass();
var typeInfo = instance.GetType().GetTypeInfo();
var property = typeInfo.GetDeclaredProperty("IntProperty");
var activator = new PropertyActivator <int>(property, valueAccessor: (val) => val + 1);
// Act
activator.Activate(instance, 123);
// Assert
Assert.Equal(124, instance.IntProperty);
}
public void GetPropertiesToActivate_IncludesNonPublic()
{
// Arrange
var instance = new TestClassWithPropertyVisiblity();
var typeInfo = instance.GetType().GetTypeInfo();
// Act
var propertiesToActivate = PropertyActivator <int> .GetPropertiesToActivate(
typeof(TestClassWithPropertyVisiblity),
typeof(TestActivateAttribute),
(propertyInfo) => new PropertyActivator <int>(propertyInfo, valueAccessor : (val) => val),
includeNonPublic : true);
// Assert
Assert.Equal(5, propertiesToActivate.Length);
}
public void GetPropertiesToActivate_ExcludesNonPublic()
{
// Arrange
var instance = new TestClassWithPropertyVisiblity();
var typeInfo = instance.GetType().GetTypeInfo();
var expectedPropertyInfo = typeInfo.GetDeclaredProperty("Public");
// Act
var propertiesToActivate = PropertyActivator <int> .GetPropertiesToActivate(
typeof(TestClassWithPropertyVisiblity),
typeof(TestActivateAttribute),
(propertyInfo) => new PropertyActivator <int>(propertyInfo, valueAccessor : (val) => val));
// Assert
Assert.Equal(1, propertiesToActivate.Length);
Assert.Single(propertiesToActivate, p => p.PropertyInfo == expectedPropertyInfo);
}
public void Activate_InvokesValueAccessorWithExpectedValue()
{
// Arrange
var instance = new TestClass();
var typeInfo = instance.GetType().GetTypeInfo();
var property = typeInfo.GetDeclaredProperty("IntProperty");
var invokedWith = -1;
var activator = new PropertyActivator <int>(
property,
valueAccessor: (val) =>
{
invokedWith = val;
return(val);
});
// Act
activator.Activate(instance, 123);
// Assert
Assert.Equal(123, invokedWith);
}
public void GetPropertiesToActivate_CanCreateCustomPropertyActivators()
{
// Arrange
var instance = new TestClass();
var typeInfo = instance.GetType().GetTypeInfo();
var expectedPropertyInfo = typeInfo.GetDeclaredProperty("IntProperty");
// Act
var propertiesToActivate = PropertyActivator <int> .GetPropertiesToActivate(
type : typeof(TestClass),
activateAttributeType : typeof(TestActivateAttribute),
createActivateInfo :
(propertyInfo) => new PropertyActivator <int>(expectedPropertyInfo, valueAccessor: (val) => val + 1));
// Assert
Assert.Collection(
propertiesToActivate,
(activator) =>
{
Assert.Equal(expectedPropertyInfo, activator.PropertyInfo);
});
}