public void RenderScene_ShouldRenderEntityTransformedWithParentTransform_WhenEntityHasParentWithTransform2DComponent()
{
// Arrange
var renderingSystem = GetRenderingSystem();
var renderingSceneBuilder = new RenderingSceneBuilder();
renderingSceneBuilder.AddCamera();
var(parentEntity, childEntity) = renderingSceneBuilder.AddParentEllipseWithChildEllipse();
var scene = renderingSceneBuilder.Build();
var parentExpectedTransform = parentEntity.Get2DTransformationMatrix();
var childExpectedTransform = parentExpectedTransform * childEntity.Get2DTransformationMatrix();
// Act
renderingSystem.RenderScene(scene);
// Assert
var parentEllipseRenderer = parentEntity.GetComponent <EllipseRendererComponent>();
_renderer2D.Received(1).RenderEllipse(new Ellipse(parentEllipseRenderer.RadiusX, parentEllipseRenderer.RadiusY), parentEllipseRenderer.Color,
parentEllipseRenderer.FillInterior, parentExpectedTransform);
var childEllipseRenderer = childEntity.GetComponent <EllipseRendererComponent>();
_renderer2D.Received(1).RenderEllipse(new Ellipse(childEllipseRenderer.RadiusX, childEllipseRenderer.RadiusY), childEllipseRenderer.Color,
childEllipseRenderer.FillInterior, childExpectedTransform);
}