public void Test_Add()
{
var mockReplacer1 = new Mock <IDataReplacer>();
var mockReplacer2 = new Mock <IDataReplacer>();
IDataReplacer next1 = null, next2 = null;
mockReplacer1.SetupSet(x => x.NextReplacer = It.IsAny <IDataReplacer>()).Callback <IDataReplacer>(value => next1 = value);
mockReplacer1.SetupGet(x => x.NextReplacer).Returns(() => { return(next1); });
mockReplacer2.SetupSet(x => x.NextReplacer = It.IsAny <IDataReplacer>()).Callback <IDataReplacer>(value => next2 = value);
mockReplacer2.SetupGet(x => x.NextReplacer).Returns(() => { return(next2); });
var chain = new ReplacerChain();
chain.Add(mockReplacer1.Object);
Assert.Equal(mockReplacer1.Object, chain.Root);
Assert.Null(next1);
Assert.Null(next2);
chain.Add(mockReplacer2.Object);
Assert.Equal(mockReplacer1.Object, chain.Root);
Assert.Equal(mockReplacer2.Object, next1);
Assert.Null(next2);
}
public void Test_Last()
{
var mockReplacer1 = new Mock <IDataReplacer>();
var mockReplacer2 = new Mock <IDataReplacer>();
mockReplacer1.SetupGet(x => x.NextReplacer).Returns(mockReplacer2.Object);
mockReplacer2.SetupGet(x => x.NextReplacer).Returns((IDataReplacer)null);
var chain = new ReplacerChain();
chain.Root = null;
Assert.Null(chain.Last);
chain.Root = mockReplacer1.Object;
Assert.Equal(mockReplacer2.Object, chain.Last);
}
public void Test_GetPrevious()
{
var mockReplacer1 = new Mock <IDataReplacer>();
var mockReplacer2 = new Mock <IDataReplacer>();
mockReplacer1.SetupGet(x => x.NextReplacer).Returns(mockReplacer2.Object);
mockReplacer2.SetupGet(x => x.NextReplacer).Returns((IDataReplacer)null);
var chain = new ReplacerChain();
chain.Root = mockReplacer1.Object;
var prev = chain.GetPrevious(null);
Assert.Null(prev);
prev = chain.GetPrevious(mockReplacer1.Object);
Assert.Null(prev);
prev = chain.GetPrevious(mockReplacer2.Object);
Assert.Equal(mockReplacer1.Object, prev);
}
public void Test_GetNext()
{
var mockReplacer1 = new Mock <IDataReplacer>();
var mockReplacer2 = new Mock <IDataReplacer>();
mockReplacer1.SetupGet(x => x.NextReplacer).Returns(mockReplacer2.Object);
mockReplacer2.SetupGet(x => x.NextReplacer).Returns((IDataReplacer)null);
var chain = new ReplacerChain();
chain.Root = mockReplacer1.Object;
var next = chain.GetNext(null);
Assert.Null(next);
next = chain.GetNext(mockReplacer1.Object);
Assert.Equal(mockReplacer2.Object, next);
next = chain.GetNext(mockReplacer2.Object);
Assert.Null(next);
}
public void Test_ToList()
{
var mockReplacer1 = new Mock <IDataReplacer>();
var mockReplacer2 = new Mock <IDataReplacer>();
mockReplacer1.SetupGet(x => x.NextReplacer).Returns(mockReplacer2.Object);
mockReplacer2.SetupGet(x => x.NextReplacer).Returns((IDataReplacer)null);
var chain = new ReplacerChain();
chain.Root = null;
var list = chain.ToList();
Assert.Empty(list);
chain.Root = mockReplacer1.Object;
list = chain.ToList();
Assert.Equal(2, list.Count);
Assert.Equal(mockReplacer1.Object, list[0]);
Assert.Equal(mockReplacer2.Object, list[1]);
}
