public void GenerateShipOfSize_Input1_ReturnsOneDeckShip()
{
var randomShipGenerator = new RandomShipGenerator(null);
var result = randomShipGenerator.GenerateShipOfSize(1);
Assert.That(result, Is.TypeOf <OneDeckShip>());
}
public void GenerateShipOfSize_Input2_ReturnsTwoDeckShipWithRotationGeneratedByRandom(
ShipRotation shipRotationGeneratedByRandom)
{
var randomIndexGeneratorStub = new Mock <IRandomGenerator>();
var possibleRotationsForTwoDeckShip = new[] { ShipRotation._0, ShipRotation._90 };
randomIndexGeneratorStub.Setup(r => r.GetRandomElementFromArrayAsInt(possibleRotationsForTwoDeckShip))
.Returns((int)shipRotationGeneratedByRandom);
var randomShipGenerator = new RandomShipGenerator(randomIndexGeneratorStub.Object);
var result = randomShipGenerator.GenerateShipOfSize(2);
Assert.Multiple(() =>
{
Assert.That(result, Is.TypeOf <TwoDeckShip>());
Assert.That(result.Rotation, Is.EqualTo(shipRotationGeneratedByRandom));
});
}
GenerateShipOfSize_Input4RandomReturnsSquareShipShape_ReturnsFourDeckShipWith0RotationAndSquareShipShape()
{
var randomIndexGeneratorStub = new Mock <IRandomGenerator>();
var fourDeckShipShapes = Enum.GetValues(typeof(ShipShape));
var squareFourDeckShipRotations = new[] { ShipRotation._0 };
randomIndexGeneratorStub.Setup(r => r.GetRandomElementFromArrayAsInt(fourDeckShipShapes))
.Returns((int)ShipShape.Square);
randomIndexGeneratorStub.Setup(r => r.GetRandomElementFromArrayAsInt(squareFourDeckShipRotations))
.Returns((int)ShipRotation._0);
var randomShipGenerator = new RandomShipGenerator(randomIndexGeneratorStub.Object);
var result = randomShipGenerator.GenerateShipOfSize(4);
Assert.Multiple(() =>
{
Assert.That(result, Is.TypeOf <FourDeckShip>());
Assert.That(result.Shape, Is.EqualTo(ShipShape.Square));
Assert.That(result.Rotation, Is.EqualTo(ShipRotation._0));
});
}
GenerateShipOfSize_Input4RandomReturnsLineOrZigzagShipShape_ReturnsFourDeckShipWithShapeAndRotationGeneratedByRandom(
ShipShape shipShapeGeneratedByRandom, ShipRotation shipRotationGeneratedByRandom)
{
var randomIndexGeneratorStub = new Mock <IRandomGenerator>();
var fourDeckShipShapes = Enum.GetValues(typeof(ShipShape));
var lineOrZigzagShapeFourDeckShipRotations = new[] { ShipRotation._0, ShipRotation._90 };
randomIndexGeneratorStub.Setup(r => r.GetRandomElementFromArrayAsInt(fourDeckShipShapes))
.Returns((int)shipShapeGeneratedByRandom);
randomIndexGeneratorStub.Setup(r => r.GetRandomElementFromArrayAsInt(lineOrZigzagShapeFourDeckShipRotations))
.Returns((int)shipRotationGeneratedByRandom);
var randomShipGenerator = new RandomShipGenerator(randomIndexGeneratorStub.Object);
var result = randomShipGenerator.GenerateShipOfSize(4);
Assert.Multiple(() =>
{
Assert.That(result, Is.TypeOf <FourDeckShip>());
Assert.That(result.Shape, Is.EqualTo(shipShapeGeneratedByRandom));
Assert.That(result.Rotation, Is.EqualTo(shipRotationGeneratedByRandom));
});
}
