public void AddLocalAttribute()
{
Entity entity = new Entity();
Attribute attribute = new Attribute("test");
entity.AddAttribute(attribute);
Assert.AreEqual(1, entity.Attributes.Where(x => x.Name == "test").Count());
}
public void AttributeBecomesInheritableAfterAddToParent()
{
Entity parent = new Entity() { Name = "parent" };
Entity child = new Entity();
child.AddPrototype(parent);
Attribute attribute = new Attribute("test") { Value = new Value("value") };
child.AddAttribute(attribute);
//Assert.IsFalse(attribute.CanInherit);
Attribute parentAttribute = new Attribute("test") { Value = new Value("new value") };
parent.AddAttribute(parentAttribute);
//Assert.IsTrue(attribute.CanInherit);
Assert.AreEqual(1, parent.Attributes.Count);
Assert.AreEqual(1, child.Attributes.Count);
}
public void ValueFollowsInheritedAttribute()
{
//bool propertyChanged = false;
Entity parent = new Entity() { Name = "parent" };
Attribute parentAttribute = new Attribute("test");
parent.AddAttribute(parentAttribute);
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
//childAttribute.PropertyChanged += (o, e) => propertyChanged = (e.PropertyName == "Value");
parentAttribute.Value = new Value("value");
//Assert.IsTrue(propertyChanged);
Assert.AreEqual("value", childAttribute.Value.Initializer);
}
public void KeyFollowsInheritedAttribute()
{
Entity parent = new Entity() { Name = "parent" };
Attribute parentAttribute = new Attribute("test");
parent.AddAttribute(parentAttribute);
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
parentAttribute.Name = "test2";
Assert.IsFalse(childAttribute.HasOwnValue);
Assert.AreEqual(0, child.Attributes.Count(x => x.Name == "test"));
Assert.AreEqual(1, child.Attributes.Count(x => x.Name == "test2"));
}
public void GiveInheritedAttributeLocalValue()
{
bool propertyChanged = false;
Entity parent = new Entity() { Name = "parent" };
Attribute parentAttribute = new Attribute("test");
parent.AddAttribute(parentAttribute);
Entity child = new Entity();
child.AddPrototype(parent);
Assert.AreEqual(1, child.Attributes.Count(x => x.IsInherited && !x.HasOwnValue));
Attribute childAttribute = child.GetAttribute("test");
childAttribute.PropertyChanged += (o, e) => propertyChanged |= (e.PropertyName == "HasOwnValue");
childAttribute.Value = new Value("value");
Assert.IsTrue(propertyChanged);
Assert.AreEqual(1, child.Attributes.Count(x => x.HasOwnValue));
}
public void ClearAttributeValue()
{
Entity parent = new Entity() { Name = "parent" };
Attribute parentAttribute = new Attribute("test") { Value = new Value("originalValue") };
parent.AddAttribute(parentAttribute);
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
childAttribute.Value = new Value("value");
Assert.AreEqual(childAttribute.Value.Initializer, "value");
Assert.AreEqual(1, child.Attributes.Count(x => x.HasOwnValue));
childAttribute.Value = null;
Assert.AreEqual(childAttribute.Value.Initializer, "originalValue");
Assert.AreEqual(0, child.Attributes.Count(x => x.HasOwnValue));
}
public void EntityInheritsAttributeFromPrototype()
{
Entity parent = new Entity() { Name = "parent" };
parent.AddAttribute(new Attribute("test"));
Entity child = new Entity();
child.AddPrototype(parent);
Assert.AreEqual(1, parent.Attributes.Where(x => x.Name == "test").Count());
Assert.AreEqual(1, child.Attributes.Where(x => x.Name == "test").Count());
}
public void CannotSetExistingAttributeKeyToDuplicate()
{
Entity entity = new Entity();
entity.AddAttribute(new Attribute("test1"));
Attribute attribute = new Attribute("test2");
entity.AddAttribute(attribute);
attribute.Name = "test1";
Assert.AreEqual("test2", attribute.Name);
Assert.AreEqual(2, entity.Attributes.Count);
}
public void CannotRemoveInheritedAttribute()
{
Entity parent = new Entity() { Name = "parent" };
parent.AddAttribute(new Attribute("test"));
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
child.RemoveAttribute(childAttribute);
Assert.AreEqual(1, child.Attributes.Where(x => x.Name == "test").Count());
}
public void CannotChangeKeyForInheritedAttribute()
{
Entity parent = new Entity() { Name = "parent" };
Attribute attribute = new Attribute("test") { Value = new Value("value") };
parent.AddAttribute(attribute);
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
childAttribute.Value = new Value("new value");
Assert.IsTrue(childAttribute.IsInherited);
Assert.IsTrue(childAttribute.Name == "test");
childAttribute.Name = "test2";
Assert.IsTrue(childAttribute.IsInherited);
Assert.IsTrue(childAttribute.Name == "test");
Assert.AreEqual(1, parent.Attributes.Count);
Assert.AreEqual(1, child.Attributes.Count);
}
public void CannotAddDuplicateAttributeKey()
{
Entity entity = new Entity();
entity.AddAttribute(new Attribute("test"));
entity.AddAttribute(new Attribute("test"));
Assert.AreEqual(1, entity.Attributes.Where(x => x.Name == "test").Count());
}
public void AttributesBecomesNonInheritableAfterParentKeyChange()
{
Entity parent = new Entity() { Name = "parent" };
Attribute attribute = new Attribute("test") { Value = new Value("value") };
parent.AddAttribute(attribute);
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
//childAttribute.IsInherited = false;
childAttribute.Value = new Value("new value");
attribute.Name = "test2";
Assert.AreEqual(childAttribute.Name, "test");
//Assert.IsFalse(childAttribute.CanInherit);
Assert.AreEqual(1, parent.Attributes.Count);
Assert.AreEqual(2, child.Attributes.Count);
}
public void AttributeBecomesNonInheritableAfterRemoveFromParent()
{
Entity parent = new Entity() { Name = "parent" };
Attribute attribute = new Attribute("test") { Value = new Value("value") };
parent.AddAttribute(attribute);
Entity child = new Entity();
child.AddPrototype(parent);
Attribute childAttribute = child.GetAttribute("test");
//childAttribute.IsInherited = false;
childAttribute.Value = new Value("new value");
//Assert.IsTrue(childAttribute.CanInherit);
parent.RemoveAttribute(attribute);
//Assert.IsFalse(childAttribute.CanInherit);
Assert.AreEqual(0, parent.Attributes.Count);
Assert.AreEqual(1, child.Attributes.Count);
}
