public void ChainCanBeBroken()
{
int endResult = 0;
ChainOfResponsibility <string> chain = new ChainOfResponsibility <string>();
Assert.IsFalse(chain.Execute("data"));
bool @break = true;
chain.AddNode(s =>
{
endResult = 1;
return(false);
});
chain.AddNode(s =>
{
endResult = 2;
return(@break);
});
chain.AddNode(s =>
{
endResult = 3;
return(false);
});
chain.Execute("foo");
Assert.AreEqual(2, endResult);
@break = false;
chain.Execute("bar");
Assert.AreEqual(3, endResult);
}
public void NodeCanBeRemoved()
{
ChainOfResponsibility <string> chain = new ChainOfResponsibility <string>();
bool Node(string s) => true;
chain.AddNode(Node);
Assert.IsTrue(chain.Execute("data"));
chain.RemoveNode(Node);
Assert.IsFalse(chain.Execute("data"));
}