public void GetFactorTest_Success()
{
var building = new Mock <IStructure>();
building.Setup(b => b.Width).Returns(1);
building.Setup(b => b.Height).Returns(3);
var referenceHeight = new Mock <IFactor>();
referenceHeight.Setup(rh => rh.GetFactor()).Returns(2);
var turbulentLengthScale = new Mock <IFactorAt>();
turbulentLengthScale.Setup(tls => tls.GetFactorAt(2)).Returns(5);
var backgroundFactor = new BackgroundFactor(
building.Object, referenceHeight.Object, turbulentLengthScale.Object);
var result = backgroundFactor.GetFactor();
Assert.That(result, Is.EqualTo(0.561).Within(0.001));
}
