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");
}
