public void Setup()
{
List <Component> fakeEmptyList = new List <Component>();
FakeComponent.Setup(method => method.GetContents())
.Returns(fakeEmptyList);
}
public void GoDownToTheLowerLevel_ComponentExistButIsNotAComposite_GiveAnErrorMessage()
{
//Arrange
List <Component> fakeListWithNonCompositeComponent = new List <Component>();
fakeListWithNonCompositeComponent.Add(SimpleComponentFactory.CreateComponent("File", "nameOfNonCompositeComponent"));
FakeComponent.Setup(method => method.GetContents())
.Returns(fakeListWithNonCompositeComponent);
//Act
_consoleFileManager.GoDownToTheLowerLevel("nameOfNonCompositeComponent");
//Assert
string expectedMessage = "The component nameOfNonCompositeComponent can not be descended because it is not a composite";
string actualMessage = _lastMessageFromViewer;
Assert.AreEqual(expectedMessage, actualMessage);
}
