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using Xunit;
namespace MonoGame.Extended.Entities.Tests
{
public class ComponentMapperTests
{
[Fact]
public void CreateComponentMapper()
{
var mapper = new ComponentMapper<object>(0, _ => {});
Assert.Equal(typeof(object), mapper.ComponentType);
Assert.Empty(mapper.Components);
}
[Fact]
public void OnPut()
{
const int entityId = 3;
var mapper = new ComponentMapper<Transform2>(1, _ => { });
var component = new Transform2();
mapper.OnPut += (entId) =>
{
Assert.Equal(entityId, entId);
Assert.Same(component, mapper.Get(entityId));
};
mapper.Put(entityId, component);
}
[Fact]
public void PutAndGetComponent()
{
const int entityId = 3;
var mapper = new ComponentMapper<Transform2>(1, _ => { });
var component = new Transform2();
mapper.Put(entityId, component);
Assert.Equal(typeof(Transform2), mapper.ComponentType);
Assert.True(mapper.Components.Count >= 1);
Assert.Same(component, mapper.Get(entityId));
}
[Fact]
public void OnDelete()
{
const int entityId = 1;
var mapper = new ComponentMapper<Transform2>(2, _ => { });
var component = new Transform2();
mapper.OnDelete += (entId) =>
{
Assert.Equal(entityId, entId);
Assert.False(mapper.Has(entityId));
};
mapper.Put(entityId, component);
mapper.Delete(entityId);
}
[Fact]
public void DeleteComponent()
{
const int entityId = 1;
var mapper = new ComponentMapper<Transform2>(2, _ => { });
var component = new Transform2();
mapper.Put(entityId, component);
mapper.Delete(entityId);
Assert.False(mapper.Has(entityId));
}
[Fact]
public void HasComponent()
{
const int entityId = 0;
var mapper = new ComponentMapper<Transform2>(3, _ => { });
var component = new Transform2();
Assert.False(mapper.Has(entityId));
mapper.Put(entityId, component);
Assert.True(mapper.Has(entityId));
}
}
}
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