public void should_raise_event_when_creating_entity()
{
var mockEventSystem = Substitute.For <IEventSystem>();
var mockEntityFactory = Substitute.For <IEntityFactory>();
mockEntityFactory.Create(null).Returns(new Entity(Guid.NewGuid(), mockEventSystem));
var entityCollection = new EntityCollection("", mockEntityFactory, mockEventSystem);
var entity = entityCollection.CreateEntity();
mockEventSystem.Received().Publish(Arg.Is <EntityAddedEvent>(x => x.Entity == entity && x.EntityCollection == entityCollection));
}
public void should_add_created_entity_into_the_collection()
{
var mockEventSystem = Substitute.For <IEventSystem>();
var mockEntityFactory = Substitute.For <IEntityFactory>();
mockEntityFactory.Create(null).Returns(new Entity(Guid.NewGuid(), mockEventSystem));
var entityCollection = new EntityCollection("", mockEntityFactory, mockEventSystem);
var entity = entityCollection.CreateEntity();
Assert.Equal(1, entityCollection.Count());
Assert.Equal(entity, entityCollection.First());
}
public void should_remove_created_entity_from_the_collection()
{
var mockEventSystem = Substitute.For <IEventSystem>();
var mockEntityFactory = Substitute.For <IEntityFactory>();
mockEntityFactory.Create(null).Returns(new Entity(Guid.NewGuid(), mockEventSystem));
var entityCollection = new EntityCollection("", mockEntityFactory, mockEventSystem);
var entity = entityCollection.CreateEntity();
entityCollection.RemoveEntity(entity);
Assert.Empty(entityCollection);
}
public void should_create_new_entity()
{
var expectedId = Guid.NewGuid();
var mockEntityFactory = Substitute.For <IEntityFactory>();
var mockEventSystem = Substitute.For <IEventSystem>();
mockEntityFactory.Create(null).Returns(new Entity(expectedId, mockEventSystem));
var entityCollection = new EntityCollection("", mockEntityFactory, mockEventSystem);
var entity = entityCollection.CreateEntity();
Assert.Equal(expectedId, entity.Id);
Assert.NotNull(entity.Components);
Assert.Empty(entity.Components);
}
public void should_raise_events_and_remove_components_when_removing_entity()
{
var mockEventSystem = Substitute.For <IEventSystem>();
var mockEntityFactory = Substitute.For <IEntityFactory>();
mockEntityFactory.Create(null).Returns(new Entity(Guid.NewGuid(), mockEventSystem));
var entityCollection = new EntityCollection("", mockEntityFactory, mockEventSystem);
var entity = entityCollection.CreateEntity();
entityCollection.RemoveEntity(entity);
mockEventSystem.Received().Publish(Arg.Is <EntityRemovedEvent>(x => x.Entity == entity && x.EntityCollection == entityCollection));
Assert.Empty(entity.Components);
}
public void should_create_new_entity_and_raise_event()
{
var mockEntityFactory = Substitute.For <IEntityFactory>();
var mockEntity = Substitute.For <IEntity>();
mockEntityFactory.Create(null).Returns(mockEntity);
var entityCollection = new EntityCollection(1, mockEntityFactory);
var wasCalled = false;
entityCollection.EntityAdded.Subscribe(x => wasCalled = true);
var entity = entityCollection.CreateEntity();
Assert.Contains(mockEntity, entityCollection.EntityLookup);
Assert.Equal(mockEntity, entity);
Assert.True(wasCalled);
}
public void should_raise_events_and_remove_components_when_removing_entity()
{
var mockEntityFactory = Substitute.For <IEntityFactory>();
var mockEntity = Substitute.For <IEntity>();
mockEntity.Id.Returns(1);
mockEntityFactory.Create(null).Returns(mockEntity);
var entityCollection = new EntityCollection(1, mockEntityFactory);
var wasCalled = false;
entityCollection.EntityRemoved.Subscribe(x => wasCalled = true);
entityCollection.CreateEntity();
entityCollection.RemoveEntity(mockEntity.Id);
Assert.True(wasCalled);
Assert.DoesNotContain(mockEntity, entityCollection);
}