void when_creating()
{
IContext <TestEntity> ctx = null;
TestEntity entity = null;
before = () => {
ctx = new MyTestContext();
entity = ctx.CreateEntity();
};
context["ComponentBlueprint"] = () => {
it["creates a component blueprint from a component without members"] = () => {
var component = new ComponentA();
const int index = 42;
var componentBlueprint = new ComponentBlueprint(index, component);
componentBlueprint.index.should_be(index);
componentBlueprint.fullTypeName.should_be(component.GetType().FullName);
componentBlueprint.members.Length.should_be(0);
};
it["throws when unknown type"] = expect <ComponentBlueprintException>(() => {
var componentBlueprint = new ComponentBlueprint();
componentBlueprint.fullTypeName = "UnknownType";
componentBlueprint.CreateComponent(null);
});
it["throws when type doesn't implement IComponent"] = expect <ComponentBlueprintException>(() => {
var componentBlueprint = new ComponentBlueprint();
componentBlueprint.fullTypeName = "string";
componentBlueprint.CreateComponent(null);
});
it["creates a component blueprint from a component with members"] = () => {
var component = new NameAgeComponent();
component.name = "Max";
component.age = 42;
const int index = 24;
var componentBlueprint = new ComponentBlueprint(index, component);
componentBlueprint.index.should_be(index);
componentBlueprint.fullTypeName.should_be(component.GetType().FullName);
componentBlueprint.members.Length.should_be(2);
componentBlueprint.members[0].name.should_be("name");
componentBlueprint.members[0].value.should_be(component.name);
componentBlueprint.members[1].name.should_be("age");
componentBlueprint.members[1].value.should_be(component.age);
};
it["creates a component and sets members values"] = () => {
var componentBlueprint = new ComponentBlueprint();
componentBlueprint.fullTypeName = typeof(ComponentWithFieldsAndProperties).FullName;
componentBlueprint.index = CID.ComponentB;
componentBlueprint.members = new [] {
new SerializableMember("publicField", "publicFieldValue"),
new SerializableMember("publicProperty", "publicPropertyValue")
};
var component = (ComponentWithFieldsAndProperties)componentBlueprint.CreateComponent(entity);
component.publicField.should_be("publicFieldValue");
component.publicProperty.should_be("publicPropertyValue");
};
it["ignores invalid member name"] = () => {
var componentBlueprint = new ComponentBlueprint();
componentBlueprint.index = 0;
componentBlueprint.fullTypeName = typeof(NameAgeComponent).FullName;
componentBlueprint.members = new [] {
new SerializableMember("xxx", "publicFieldValue"),
new SerializableMember("publicProperty", "publicPropertyValue")
};
componentBlueprint.CreateComponent(entity);
};
};
context["Blueprint"] = () => {
it["creates an empty blueprint from a null entity"] = () => {
var blueprint = new Blueprint("My Context", "Hero", null);
blueprint.contextIdentifier.should_be("My Context");
blueprint.name.should_be("Hero");
blueprint.components.Length.should_be(0);
};
it["creates a blueprint from an entity"] = () => {
entity.AddComponentA();
var component = new NameAgeComponent();
component.name = "Max";
component.age = 42;
entity.AddComponent(CID.ComponentB, component);
var blueprint = new Blueprint("My Context", "Hero", entity);
blueprint.contextIdentifier.should_be("My Context");
blueprint.name.should_be("Hero");
blueprint.components.Length.should_be(2);
blueprint.components[0].index.should_be(CID.ComponentA);
blueprint.components[0].fullTypeName.should_be(Component.A.GetType().FullName);
blueprint.components[1].index.should_be(CID.ComponentB);
blueprint.components[1].fullTypeName.should_be(component.GetType().FullName);
};
context["when applying blueprint"] = () => {
Blueprint blueprint = null;
before = () => {
var component1 = new ComponentBlueprint();
component1.index = CID.ComponentA;
component1.fullTypeName = typeof(ComponentA).FullName;
component1.members = new SerializableMember[0];
var component2 = new ComponentBlueprint();
component2.index = CID.ComponentB;
component2.fullTypeName = typeof(NameAgeComponent).FullName;
component2.members = new [] {
new SerializableMember("name", "Max"),
new SerializableMember("age", 42)
};
blueprint = new Blueprint();
blueprint.name = "Hero";
blueprint.components = new [] { component1, component2 };
};
it["applies blueprint to entity"] = () => {
entity.ApplyBlueprint(blueprint);
entity.GetComponents().Length.should_be(2);
entity.GetComponent(CID.ComponentA).GetType().should_be(typeof(ComponentA));
var nameAgeComponent = (NameAgeComponent)entity.GetComponent(CID.ComponentB);
nameAgeComponent.GetType().should_be(typeof(NameAgeComponent));
nameAgeComponent.name.should_be("Max");
nameAgeComponent.age.should_be(42);
};
it["throws when entity already has a component which should be added from blueprint"] = expect <EntityAlreadyHasComponentException>(() => {
entity.AddComponentA();
entity.ApplyBlueprint(blueprint);
});
it["can overwrite existing components"] = () => {
var nameAgeComponent = new NameAgeComponent();
nameAgeComponent.name = "Jack";
nameAgeComponent.age = 24;
entity.AddComponent(CID.ComponentB, nameAgeComponent);
entity.ApplyBlueprint(blueprint, true);
};
it["uses component from componentPool"] = () => {
var component = new ComponentBlueprint();
component.index = CID.ComponentA;
component.fullTypeName = typeof(ComponentA).FullName;
component.members = new SerializableMember[0];
blueprint = new Blueprint();
blueprint.name = "Hero";
blueprint.components = new [] { component };
var componentA = entity.CreateComponent <ComponentA>(CID.ComponentA);
entity.AddComponent(CID.ComponentA, componentA);
entity.RemoveComponentA();
entity.ApplyBlueprint(blueprint);
entity.GetComponentA().should_be_same(componentA);
};
};
};
}