public void SetValue_AssigningAnInterfaceToAStruct_ValueShouldBeSet()
{
var container = new ClassWithPolymorphicFields();
PropertyContainer.SetValue(ref container, nameof(ClassWithPolymorphicFields.InterfaceValue), new ClassDerivedA());
Assert.That(container.InterfaceValue.GetType(), Is.EqualTo(typeof(ClassDerivedA)));
}
public void PathVisitor_NullValuesOnPath_ReturnsInvalidPath()
{
var container = new ClassWithPolymorphicFields();
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue")), Is.True);
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.ObjectValue")), Is.False);
container.ObjectValue = new ClassWithPolymorphicFields();
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.ObjectValue")), Is.True);
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.ObjectValue.ObjectValue")), Is.False);
}
public void IsPathValid_WithInvalidPath_ReturnFalse(string path)
{
var container = new ClassWithPolymorphicFields
{
ObjectValue = new StructWithPrimitives(),
InterfaceValue = new ClassDerivedA1(),
AbstractValue = new ClassDerivedB()
};
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath(path)), Is.False);
}
public void GetValue_WithInterface_ValueShouldBeAssigned()
{
var container = new ClassWithPolymorphicFields {
InterfaceValue = new ClassDerivedA {
DerivedAInt32Value = 3
}
};
var value = PropertyContainer.GetValue <ClassWithPolymorphicFields, IContainerInterface>(ref container, nameof(ClassWithPolymorphicFields.InterfaceValue));
Assert.That(value.GetType(), Is.EqualTo(typeof(ClassDerivedA)));
}
public void GetValue_WithConcreteImplementationOfInterface_ValueShouldBeAssigned()
{
var container = new ClassWithPolymorphicFields {
InterfaceValue = new ClassDerivedA {
DerivedAInt32Value = 3
}
};
var value = PropertyContainer.GetValue <ClassWithPolymorphicFields, ClassDerivedA>(ref container, nameof(ClassWithPolymorphicFields.InterfaceValue));
Assert.That(value.DerivedAInt32Value, Is.EqualTo(3));
}
public void IsPathValid_WithDynamicPaths_RemainsValid()
{
var container = new ClassWithPolymorphicFields();
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue")), Is.True);
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.BoolValue")), Is.False);
container.ObjectValue = new StructWithPrimitives();
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.BoolValue")), Is.True);
container.ObjectValue = new ClassDerivedA1();
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.BoolValue")), Is.False);
Assert.That(PropertyContainer.IsPathValid(ref container, new PropertyPath("ObjectValue.AbstractInt32Value")), Is.True);
}
public void PropertyContainer_VisitAtPath_VisitsCorrectPath(string path, string expected)
{
var visitor = new AssertNameAtPath();
var container = new ClassWithPolymorphicFields
{
ObjectValue = new ClassDerivedB(),
AbstractValue = new ClassDerivedA(),
InterfaceValue = new ClassDerivedA1()
};
PropertyContainer.Visit(ref container, visitor, new PropertyPath(path));
visitor.Matches(expected);
visitor.Reset();
}