public void ParseAllSteps_Success()
{
IStandardIOReaderWriter consoleMock = Substitute.For <IStandardIOReaderWriter>();
consoleMock
.ReadLine().Returns(
"4", // the number of directional commands to process
"10 20", // the starting point coordinate
"E 2", // from there and below follow navigation commands
"E 5",
"W 3",
"S 7",
"S 7",
"whatever invalid argument won't be processed as we retrieve only the first four directional parameters");
var sut = new ConsoleParser(consoleMock);
var inputCommand = sut.ParseAllSteps();
Assert.IsTrue(inputCommand.StartingCoordinate.X == 10);
Assert.IsTrue(inputCommand.StartingCoordinate.Y == 20);
Assert.IsTrue(inputCommand.AtomicNavigationSteps.Count == 17);
consoleMock.Received(6).ReadLine(); // we invoked the ReadLine only 6 = 2 + 4 times regardless of how many additional navigation parameters we supplied
}
public ConsoleParser(IStandardIOReaderWriter standardIoReaderWriter)
{
_standardIoReaderWriter = standardIoReaderWriter;
}
