public void ItShould_Handle_Nulls()
{
var command = new RemoveLastCommand(null, null);
command.Execute();
_documentHistoryCommandsMock.Verify(v => v.RemoveLast(), Times.Never);
_documentCommandFactoryMock.Verify(v => v.CreateCommand(It.IsAny <IClosedDocument>()), Times.Never);
_documentCommandMock.Verify(v => v.Execute(), Times.Never);
}
public RemoveLastCommandTest()
{
_documentHistoryCommandsMock = new Mock <IDocumentHistoryCommands>();
_documentHistoryCommandsMock.Setup(s => s.RemoveLast()).Returns(NullDocument.Instance);
_documentCommandMock = new Mock <IDocumentCommand>();
_documentCommandFactoryMock = new Mock <IDocumentCommandFactory>();
_documentCommandFactoryMock.Setup(s => s.CreateCommand(It.IsAny <IClosedDocument>()))
.Returns(_documentCommandMock.Object);
_removeLastCommand = new RemoveLastCommand(_documentHistoryCommandsMock.Object, _documentCommandFactoryMock.Object);
}
