public void PerformSubstitutionReplacesSimpleSingleMacro()
{
var substitute = new TextSubstitute();
substitute.AddMacro("$(number)", "one");
var result = substitute.PerformSubstitution("My favourite number is $(number).");
Assert.AreEqual("My favourite number is one.", result);
}
public void PerformSubstitutionReturnsEmptyStringWhenSourceIsEmpty()
{
var substitute = new TextSubstitute();
substitute.AddMacro("$(number)", "one");
var result = substitute.PerformSubstitution("");
Assert.AreEqual(string.Empty, result);
}
public void PerformSubstitutionGuardsAgainstAnInfinateLoop()
{
var substitute = new TextSubstitute();
// This macro case should cause an infinate loop so we need to guard against it.
substitute.AddMacro("$(number)", "$(number)");
var result = substitute.PerformSubstitution("My favourite number is $(number).");
Assert.AreEqual("My favourite number is $(number).", result);
}
public void PerformSubstitutionReplacesSingleNestedlMacro()
{
var substitute = new TextSubstitute();
substitute.AddMacro("$(name)", "My name is $(steve)");
substitute.AddMacro("$(steve)", "Stephen Haunts");
var result = substitute.PerformSubstitution("Hello, $(name).");
Assert.AreEqual("Hello, My name is Stephen Haunts.", result);
}
public void PerformSubstitutionReplacesMultipleLayerNestedlMacros()
{
var substitute = new TextSubstitute();
substitute.AddMacro("$(id)", "My name is $(name)");
substitute.AddMacro("$(name)", "$(steve) $(haunts)");
substitute.AddMacro("$(steve)", "Stephen");
substitute.AddMacro("$(haunts)", "Haunts");
var result = substitute.PerformSubstitution("Hello, $(id).");
Assert.AreEqual("Hello, My name is Stephen Haunts.", result);
}
private GameReply RunParser(string command)
{
var reply = new GameReply();
// Run the natural language parser.
var parsedCommand = Parser.ParseCommand(command);
_commandQueue.AddCommand(parsedCommand);
reply.State = GameStateEnum.Playing;
reply.Reply = TextSubstitute.PerformSubstitution(CurrentRoom.ProcessCommand(parsedCommand));
return(reply);
}