public void Factory_creates_destroyer_with_valid_starting_position()
{
var factory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var startingPosition = new Position(3, 3);
var ship = factory.CreateAt(startingPosition);
Assert.That(ship.StartPosition, Is.EqualTo(startingPosition));
}
public void Generates_valid_ship_when_ship_position_exceeds_board_size()
{
// Ship at (7, 7) won't be created. Only (3, 3) will be created.
var service = new ShipGenerationService(boardSize, GetRandomPositionGenerator(7, 7, 3, 3));
var destroyerShipFactory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var existingShip = new HorizontalBattleship(new Position(1, 1));
var ships = service.GenerateShips(destroyerShipFactory, 1, new[] { existingShip });
Assert.That(ships, Has.One.Items);
Assert.That(ships[0].StartPosition, Is.EqualTo(new Position(3, 3)));
}
public void Generates_valid_ship_when_ship_already_exists()
{
// Starting point of both ships is (1, 1) so they must overlaps.
var service = new ShipGenerationService(boardSize, GetRandomPositionGenerator(1, 1, 4, 4));
var destroyerShipFactory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var existingShip = new HorizontalBattleship(new Position(1, 1));
var ships = service.GenerateShips(destroyerShipFactory, 1, new[] { existingShip });
Assert.That(ships, Has.One.Items);
Assert.That(ships[0].StartPosition, Is.EqualTo(new Position(4, 4)));
}
public void Generates_valid_ships_when_first_overlaps_with_second()
{
// Starting point of both ships is (1, 2) so they must overlaps.
var service = new ShipGenerationService(boardSize, GetRandomPositionGenerator(1, 2, 1, 2, 4, 4));
var destroyerShipFactory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var ships = service.GenerateShips(destroyerShipFactory, 2, Array.Empty <IShip>());
Assert.That(ships, Has.Exactly(2).Items);
Assert.That(ships[0].StartPosition, Is.EqualTo(new Position(1, 2)));
Assert.That(ships[1].StartPosition, Is.EqualTo(new Position(4, 4)));
}
public void Generates_valid_ship_when_there_are_no_ships()
{
var service = new ShipGenerationService(boardSize, GetRandomPositionGenerator(1, 2));
var destroyerShipFactory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var ships = service.GenerateShips(destroyerShipFactory, 1, Array.Empty <IShip>());
Assert.That(ships, Has.One.Items);
var ship = ships[0];
Assert.That(ship.StartPosition, Is.EqualTo(new Position(1, 2)));
}
public void Factory_creates_valid_horizontal_destroyer()
{
var randomNumberGenerator = new DeterministicModuloRandomNumberGenerator();
var factory = new DestroyerFactory(randomNumberGenerator);
var ship = factory.CreateAt(new Position(3, 3));
var expectedPositions = new[]
{
new Position(3, 3),
new Position(4, 3),
new Position(5, 3),
new Position(6, 3),
};
Assert.That(ship.Positions, Has.Exactly(4).Items);
Assert.That(ship.Positions, Is.EquivalentTo(expectedPositions));
}
public ShipFactory()
{
_rangerFactory = new RangerFactory();
_destroyerFactory = new DestroyerFactory();
}
public DestroyersPool(DestroyerFactory factory)
{
_destroyerFactory = factory;
data = new List <Entity?>();
}
