protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var setupShips = (SetupShips)validationContext.ObjectInstance;
var setupBoard = new SetupBoard();
Ship thisShip = null;
foreach (var ship in setupShips.GetValidStructuralShips())
{
if (ship.propertyName == validationContext.MemberName)
{
thisShip = ship.ship;
continue;
}
// Add all other ships
setupBoard.AddShip(ship.ship);
}
if (thisShip == null) // Isn't valid enough to test - TODO: Rework this to avoid the foreach, just exit
{
return(null);
}
// Now add target ship, to get error for this one specifically
var result = setupBoard.AddShip(thisShip);
if (!result.Success)
{
return(new ValidationResult(result.Error, new[] { validationContext.MemberName }));
}
return(null);
}
public bool RunSetup(PlayerGrid playerGrid)
{
SetupBoard = new SetupBoard();
var error = string.Empty;
while (!SetupBoard.IsValid)
{
var errorDisplay = error.Length > 0 ? $" [{error}]" : "";
var input = m_CommandInput.WaitForInput($"Enter coords of Ship length {SetupBoard.NextShip}, e.g. A0 A4{errorDisplay}");
// TODO: Note that you can enter in any order, so why ask?
if (input.ToLowerInvariant() == "exit")
{
return(false);
}
if (!s_Regex.IsMatch(input))
{
error = $"Input not recognised as Ship Coordinates '{input}'";
continue;
}
var coords = input.Split(' ');
Ship ship;
try
{
ship = new Ship(coords[0], coords[1]);
}
catch (ArgumentException ex)
{
error = ex.Message;
continue;
}
error = string.Empty;
var result = SetupBoard.AddShip(ship);
if (!result.Success)
{
error = result.Error;
}
else
{
playerGrid.DrawShip(ship);
}
}
return(true);
}
public void AddShipFailsIfTooManyShipsForLength(int length)
{
// Given
m_SetupBoard.AddShip(("E0", "E4"));
Assert.True(m_SetupBoard.IsValid);
var excessShip = new Ship("F0", $"F{length-1}");
Assert.Equal(length, excessShip.Length);
// When
var result = m_SetupBoard.AddShip(excessShip);
// Then
Assert.False(result.Success);
Assert.Contains($"already enough ships of length {length}", result.Error);
}
