public void PositionOnGrid_ShouldRemoveHandlerForSquaresThatAreNotOccupiedAnymore()
{
//Arrange
var originalGridSquareArrayBuilder = new GridSquareArrayBuilder(_kind);
Mock <IGridSquare>[] originalSquareMocks = originalGridSquareArrayBuilder.BuildMockArray();
foreach (var squareMock in originalSquareMocks)
{
squareMock.Setup(g => g.HitByBomb()).Callback(() =>
{
squareMock.Raise(s => s.OnHitByBomb += null, squareMock.Object);
});
}
_ship.PositionOnGrid(originalGridSquareArrayBuilder.BuildArray());
//Act
_ship.PositionOnGrid(new GridSquareArrayBuilder(_kind).BuildArray());
//Assert
foreach (var squareMock in originalSquareMocks)
{
squareMock.Object.HitByBomb();
squareMock.VerifySet(s => s.Status = It.IsAny <GridSquareStatus>(), Times.Never,
"When a GridSquare is hit and the square is not occupied by a ship anymore, " +
"the ship should not handle the OnHitByBomb event of the GridSquare anymore. " +
"Use the '-=' operator on the 'OnHitByBomb' event to remove the event handler.");
}
}
public void HasSunk_ShouldReturnTrueWhenAllSquaresAreHit()
{
//Arrange
IGridSquare[] squares = new GridSquareArrayBuilder(_kind).WithStatus(GridSquareStatus.Hit).BuildArray();
_ship.PositionOnGrid(squares);
//Act + Assert
Assert.That(_ship.HasSunk, Is.True);
}
public void PositionOnGrid_ShouldSetSquares()
{
//Arrange
IGridSquare[] squares = new GridSquareArrayBuilder(_kind).BuildArray();
//Act
_ship.PositionOnGrid(squares);
//Assert
Assert.That(_ship.Squares, Is.SameAs(squares));
}
public void HasSunk_ShouldReturnFalseWhenNotAllSquaresAreHit()
{
//Arrange
var gridSquareArrayBuilder = new GridSquareArrayBuilder(_kind).WithStatus(GridSquareStatus.Hit);
Mock <IGridSquare>[] squareMocks = gridSquareArrayBuilder.BuildMockArray();
Mock <IGridSquare> untouchedSquareMock = squareMocks.NextRandomElement();
untouchedSquareMock.SetupGet(s => s.Status).Returns(GridSquareStatus.Untouched);
IGridSquare[] squares = gridSquareArrayBuilder.BuildArray();
_ship.PositionOnGrid(squares);
//Act + Assert
Assert.That(_ship.HasSunk, Is.False);
}
public void CanBeFoundAtCoordinate_ShouldReturnTrueWhenOneOfTheSegmentSquaresMatches()
{
//Arrange
IGridSquare[] squares = new GridSquareArrayBuilder(_kind).BuildArray();
_ship.PositionOnGrid(squares);
//Act + Assert
foreach (var gridSquare in squares)
{
bool result = _ship.CanBeFoundAtCoordinate(gridSquare.Coordinate);
Assert.That(result, Is.True, () =>
{
string segmentCoordinates = squares.Select(s => s.Coordinate).ToArray().Print();
return($"Expected ship with segment coordinates {segmentCoordinates} to be found at {gridSquare.Coordinate}");
});
}
}
public void PositionOnGrid_ShouldAddAHandlerForWhenASquareIsHit()
{
//Arrange
var gridSquareArrayBuilder = new GridSquareArrayBuilder(_kind);
Mock <IGridSquare>[] squareMocks = gridSquareArrayBuilder.BuildMockArray();
Mock <IGridSquare> squareToHitMock = squareMocks.NextRandomElement();
IGridSquare squareToHit = squareToHitMock.Object;
squareToHitMock.Setup(g => g.HitByBomb()).Callback(() =>
{
squareToHitMock.Raise(s => s.OnHitByBomb += null, squareToHitMock.Object);
});
//Act
_ship.PositionOnGrid(gridSquareArrayBuilder.BuildArray());
squareToHit.HitByBomb();
//Assert
squareToHitMock.VerifySet(s => s.Status = GridSquareStatus.Hit, Times.Once,
"When a GridSquare is hit and the square is occupied by a ship, " +
"the ship should handle the OnHitByBomb event of the GridSquare and set its status to Hit.");
}
public void CanBeFoundAtCoordinate_ShouldReturnFalseWhenNoneOfTheSegmentSquaresMatch()
{
//Arrange
IGridSquare[] squares = new GridSquareArrayBuilder(_kind).BuildArray();
_ship.PositionOnGrid(squares);
GridCoordinate noneShipCoordinate = new GridCoordinateBuilder().Build();
while (squares.Any(s => s.Coordinate == noneShipCoordinate))
{
noneShipCoordinate = new GridCoordinateBuilder().Build();
}
//Act
bool result = _ship.CanBeFoundAtCoordinate(noneShipCoordinate);
//Assert
Assert.That(result, Is.False, () =>
{
string segmentCoordinates = squares.Select(s => s.Coordinate).ToArray().Print();
return($"Expected ship with segment coordinates {segmentCoordinates} not to be found at {noneShipCoordinate}");
});
}
