public void TestMainLoopFinishOnEmptyCommandWithoutCallingParser()
{
var parser = Substitute.For <IParser>();
var o = new Simulator.Dispatcher(parser, Substitute.For <IExecutor>());
o.ReadLine = () => string.Empty;
o.MainLoop();
parser.DidNotReceive().Parse(Arg.Any <string>());
}
public void TestMainLoopCallsParserAndExits()
{
var parser = Substitute.For <IParser>();
var o = new Simulator.Dispatcher(parser, Substitute.For <IExecutor>());
var commands = new[] { "LEFT", "" };
var i = 0;
o.ReadLine = () => commands[i++];
o.MainLoop();
parser.Received(1).Parse("LEFT");
}
public void TestProcessCallsExecutorWithParametersForPlace()
{
var executor = Substitute.For <IExecutor>();
var parser = Substitute.For <IParser>();
parser.Parse("PLACE 0,0,NORTH").Returns(CommandType.PLACE);
parser.XResult.Returns(0);
parser.YResult.Returns(0);
parser.DResult.Returns(Direction.NORTH);
var o = new Simulator.Dispatcher(parser, executor);
o.Process("PLACE 0,0,NORTH");
executor.Received(1).Execute(CommandType.PLACE, 0, 0, Direction.NORTH);
}
public void TestCreate()
{
var o = new Simulator.Dispatcher(Substitute.For <IParser>(), Substitute.For <IExecutor>());
Assert.IsNotNull(o);
}