public void IgonreInvalidValues()
{
RobotCommandParser parser = new RobotCommandParser();
string[] commands =
{
"Place 0,4,East",
"Move",
"Invalid",
"Move",
"Right",
"Move",
"Move",
"Invalid",
"Left",
"Left",
"Move",
"Move",
"Report"
};
string[] results = parser.Process(commands);
Assert.AreEqual(results.Length, 1);
string finalResult = results.First();
Assert.AreEqual(finalResult, "2,4,North");
}
public void HandlesNullInput()
{
var subject = new RobotCommandParser();
var result = subject.TryParse(null, out var command);
Assert.False(result);
Assert.Null(command);
}
public void HandlesInvalidOrientation()
{
var subject = new RobotCommandParser();
var result = subject.TryParse("PLACE 10 10 DOWN", out var command);
Assert.False(result);
Assert.Null(command);
}
public void CanParseValidCommand(string input)
{
var subject = new RobotCommandParser();
var result = subject.TryParse(input, out var command);
Assert.True(result);
Assert.NotNull(command);
}
static void Main(string[] args)
{
var results = new RobotCommandParser().Process(args);
foreach (string result in results)
{
Console.WriteLine(result);
}
Console.ReadLine();
}
public void ReportOnlyIfRobotIsPlaced()
{
RobotCommandParser parser = new RobotCommandParser();
string[] commands =
{
"Report",
"Place 0,4,East",
"Move",
"Report"
};
string[] results = parser.Process(commands);
Assert.AreEqual(results.Length, 1);
}
public void TransmitAllValidCommandsAndGetFinalPosition()
{
RobotCommandParser parser = new RobotCommandParser();
string[] commands =
{
"Place 0,4,East",
"Move",
"Move",
"Right",
"Move",
"Move",
"Left",
"Left",
"Move",
"Move",
"Report"
};
string[] results = parser.Process(commands);
Assert.AreEqual(results.Length, 1);
string finalResult = results.First();
Assert.AreEqual(finalResult, "2,4,North");
}
public void ReportMoreThanOnce()
{
RobotCommandParser parser = new RobotCommandParser();
string[] commands =
{
"Place 0,4,East",
"Move",
"Report",
"Move",
"Right",
"Move",
"Move",
"Left",
"Left",
"Move",
"Move",
"Report"
};
string[] results = parser.Process(commands);
Assert.AreEqual(results.Length, 2);
Assert.AreEqual(results[0], "1,4,East");
Assert.AreEqual(results[1], "2,4,North");
}
public RobotCommandParserTests()
{
_parser = new RobotCommandParser();
}
