public void AmbiguousTwoWordThrows()
{
ParserCommand command1 = new ParserCommand("add");
ParserCommand command2 = new ParserCommand("add file");
// ReSharper disable once ObjectCreationAsStatement
Should.Throw<ParserConfigurationException>(() => new CommandMapper(new[] { command1, command2 }));
}
public void InvalidFirstWordRejected()
{
ParserCommand command1 = new ParserCommand("add file");
ParserCommand command2 = new ParserCommand("add comment");
var mapper = new CommandMapper(new[] { command1, command2 });
mapper.Advance("remove");
mapper.State.ShouldBe(MapperState.Rejected);
}
public void CanFindOneAndOnly()
{
ParserCommand command = new ParserCommand("add");
var mapper = new CommandMapper(new[] { command });
mapper.Advance("add");
mapper.State.ShouldBe(MapperState.Accepted);
mapper.Command.ShouldBe(command);
}
public void CanFindSecondOfTwo()
{
ParserCommand command1 = new ParserCommand("add");
ParserCommand command2 = new ParserCommand("remove");
var mapper = new CommandMapper(new[] { command1, command2 });
mapper.Advance("remove");
mapper.State.ShouldBe(MapperState.Accepted);
mapper.Command.ShouldBe(command2);
}
public ParserCommand AddCommand(string commandText)
{
if (_commands.Any(x => x.Text == commandText))
{
throw new ParserConfigurationException("Cannot add duplicate command '{0}'.", commandText);
}
var command = new ParserCommand(commandText);
_commands.Add(command);
return command;
}
public void CanFindTwoWordCommand()
{
ParserCommand command1 = new ParserCommand("add file");
ParserCommand command2 = new ParserCommand("add comment");
var mapper = new CommandMapper(new[] { command1, command2 });
mapper.State.ShouldBe(MapperState.Initial);
mapper.Advance("add");
mapper.State.ShouldBe(MapperState.Pending);
mapper.Advance("comment");
mapper.State.ShouldBe(MapperState.Accepted);
mapper.Command.ShouldBe(command2);
}
private void AddCommand(ParserCommand command)
{
AddCommand(command.Text, command);
foreach (var alias in command.Aliases)
{
AddCommand(alias, command);
}
}
public void Add(Queue<string> words, ParserCommand command)
{
string word = words.Dequeue();
if (words.Count == 0)
{
if (_entries.ContainsKey(word))
{
throw new ParserConfigurationException("Ambiguous command: {0}", word);
}
_commands.Add(word, command);
}
else
{
if (_commands.ContainsKey(word))
{
throw new ParserConfigurationException("Ambiguous command: {0}", word);
}
Entry child;
if (!_entries.TryGetValue(word, out child))
{
child = new Entry();
_entries.Add(word, child);
}
child.Add(words, command);
}
}
private void AddCommand(string commandText, ParserCommand command)
{
Queue<string> queue = new Queue<string>();
foreach (var s in commandText.Split(' '))
{
queue.Enqueue(s);
}
_root.Add(queue, command);
}
public void InvalidSecondWordRejected()
{
ParserCommand command1 = new ParserCommand("add file");
ParserCommand command2 = new ParserCommand("add comment");
var mapper = new CommandMapper(new[] { command1, command2 });
mapper.Advance("add");
mapper.State.ShouldBe(MapperState.Pending);
mapper.Advance("junk");
mapper.State.ShouldBe(MapperState.Rejected);
}