public void TestIfTileConstructorReturnsValidStateOfPosition()
{
var tile = new Tile("2", 2, TileType.Number);
var actual = tile.Position;
var expected = 2;
Assert.AreEqual(actual, expected);
}
public void TestIfTileConstructorReturnsValidStateOfLabel()
{
var tile = new Tile("1", 1, TileType.Number);
var actual = tile.Label;
var expected = "1";
Assert.AreEqual(actual, expected);
}
public void TestIfCompareToMethodReturnsNegativeValueWhenFirstTileIsBeforeSecond()
{
var firstTile = new Tile("1", 1, TileType.Number);
var secondTile = this.CloneTile(firstTile, "2", 2);
var actual = firstTile.CompareTo(secondTile);
var expected = -1;
Assert.AreEqual(actual, expected);
}
public void TestTileGetTextRepresentationOfEmptyTile()
{
var tile = new Tile(string.Empty, 0, TileType.Empty);
var actual = tile.GetTextRepresentation();
var expected = " ";
Assert.AreEqual(actual, expected);
}
public void TestIfCompareToMethodReturnZeroWhenTilesHaveTheSameValues()
{
var firstTile = new Tile("3", 3, TileType.Number);
var secondTile = this.CloneTile(firstTile, "3", 3);
var actual = firstTile.CompareTo(secondTile);
var expected = 0;
Assert.AreEqual(actual, expected);
}
public void TestIfCompareToMethodReturnsPositiveValueWhenSecondTileIsBeforeFirst()
{
var firstTile = new Tile("5", 5, TileType.Number);
var secondTile = this.CloneTile(firstTile, "3", 3);
var actual = firstTile.CompareTo(secondTile);
var expected = 1;
Assert.AreEqual(actual, expected);
}
public void TestAddTileMethodToRetturnAccurateValue()
{
var grid = new Grid();
for (int i = 0; i < 5; i++)
{
var tile = new Tile(string.Empty + i + string.Empty, i, TileType.Number);
grid.AddTile(tile);
}
var actual = grid.TilesCount;
var expected = 5;
Assert.AreEqual(actual, expected);
}
/// <summary>
/// Fills grid with tiles.
/// </summary>
/// <param name="grid">The empty grid.</param>
public void InitilizeGrid(IGrid grid)
{
var emptyTile = new Tile(string.Empty, GlobalConstants.TotalTilesCount - 1, TileType.Empty);
for (int i = 0; i < GlobalConstants.TotalTilesCount - 1; i++)
{
Tile tile = emptyTile.CloneMemberwise();
tile.Label = (i + 1).ToString();
tile.Position = i;
tile.Type = TileType.Number;
grid.AddTile(tile);
}
grid.AddTile(emptyTile);
}
public void TestCanSwapMethodToReturnFalseValueWhenCurrentTileCannotBeSwapped()
{
var grid = new Grid();
for (int i = 0; i < 5; i++)
{
var tile = new Tile(string.Empty + i + string.Empty, i, TileType.Number);
grid.AddTile(tile);
}
var emptyTile = new Tile(string.Empty, GlobalConstants.TotalTilesCount - 1, TileType.Empty);
grid.AddTile(emptyTile);
var tileToTest = grid.GetTileFromLabel("1");
var actual = grid.CanSwap(tileToTest);
var expected = false;
Assert.AreEqual(expected, actual);
}
public void TestCanSwapMethodToReturnFalseValueWhenCurrentTileCanBeSwapped()
{
var grid = new Grid();
for (int i = 0; i < 5; i++)
{
var tile = new Tile(i.ToString(), i, TileType.Number);
grid.AddTile(tile);
}
var emptyTile = new Tile(string.Empty, 5, TileType.Empty);
grid.AddTile(emptyTile);
var tileToTest = grid.GetTileFromLabel("4");
var actual = grid.CanSwap(tileToTest);
var expected = true;
Assert.AreEqual(expected, actual);
}
public void TestCheckIfSortedWhenGridIsNotSorted()
{
var grid = new Grid();
var emptyTile = new Tile(string.Empty, 0, TileType.Empty);
grid.AddTile(emptyTile);
for (int i = GlobalConstants.TotalTilesCount - 1; i > 0; i--)
{
Tile tile = emptyTile.CloneMemberwise();
tile.Label = (i + 1).ToString();
tile.Position = i;
tile.Type = TileType.Number;
grid.AddTile(tile);
}
bool actual = grid.IsSorted;
var expected = false;
Assert.AreEqual(expected, actual);
}
public void TestWheatherTilesAreAddedCorrectly()
{
var fakeGrid = new Mock<IGrid>();
var tile = new Tile("1", 1, TileType.Number);
fakeGrid.Setup(g => g.AddTile(tile));
fakeGrid.Object.AddTile(tile);
fakeGrid.Verify(g => g.AddTile(tile), Times.AtLeastOnce());
fakeGrid.Setup(g => g.TilesCount).Returns(1);
Assert.AreEqual(1, fakeGrid.Object.TilesCount);
}
public void TestGetTileAtPositionMethodToReturnValidPositionOfTile()
{
var grid = new Grid();
var tile = new Tile("3", 3, TileType.Number);
var anotherTile = new Tile("4", 4, TileType.Number);
grid.AddTile(tile);
grid.AddTile(anotherTile);
var actual = grid.GetTileAtPosition(1);
var expected = anotherTile;
Assert.AreEqual(expected, actual);
}
public void TestSwapTiles()
{
var grid = new Grid();
var emptyTile = new Tile(string.Empty, 0, TileType.Empty);
grid.AddTile(emptyTile);
Tile tile = emptyTile.CloneMemberwise();
tile.Label = "1";
tile.Position = 1;
tile.Type = TileType.Number;
grid.AddTile(tile);
grid.SwapTiles(tile);
var actual = tile.Position;
var expected = 0;
Assert.AreEqual(expected, actual);
}
public void TestWheatherTileAtPositionMethodReturnsCorrectValues()
{
var fakeGrid = new Mock<IGrid>();
var tile = new Tile("1", 1, TileType.Number);
fakeGrid.Setup(g => g.GetTileAtPosition(1)).Returns(new Tile("1", 1, TileType.Number));
var exp = fakeGrid.Object.GetTileAtPosition(1);
Assert.AreEqual(tile.Position, exp.Position);
}
public void TestMementoToReturnValidObjectState()
{
var grid = new Grid();
var tile = new Tile("1", 1, TileType.Number);
var emptyTile = new Tile(string.Empty, GlobalConstants.TotalTilesCount - 1, TileType.Empty);
var anotherTile = new Tile("2", 2, TileType.Number);
grid.AddTile(tile);
grid.AddTile(emptyTile);
Memento memento = grid.SaveMemento();
grid.AddTile(anotherTile);
grid.RestoreMemento(memento);
var actual = grid.TilesCount;
var expected = 2;
Assert.AreEqual(expected, actual);
}
public void TestTileGetTextRepresentationOfNumberedTile()
{
var tile = new Tile("1", 0, TileType.Empty);
var actual = tile.GetTextRepresentation();
var expected = "1";
Assert.AreEqual(actual, expected);
}
public void TestGetTileFromLabelMethodToReturnValidTile()
{
var grid = new Grid();
var tile = new Tile("1", 1, TileType.Number);
var anotherTile = new Tile("2", 2, TileType.Number);
grid.AddTile(tile);
grid.AddTile(anotherTile);
var actual = grid.GetTileFromLabel("2");
var expected = anotherTile;
Assert.AreEqual(expected, actual);
}
public void TestClearMethodToRetturnZeroValue()
{
var grid = new Grid();
var tile = new Tile("1", 1, TileType.Number);
grid.AddTile(tile);
grid.Clear();
var actual = grid.TilesCount;
var expected = 0;
Assert.AreEqual(actual, expected);
}
public void TestGetEnumerator()
{
var grid = new Grid();
var emptyTile = new Tile(string.Empty, 0, TileType.Empty);
grid.AddTile(emptyTile);
Tile tile = emptyTile.CloneMemberwise();
tile.Label = "1";
tile.Position = 1;
tile.Type = TileType.Number;
grid.AddTile(tile);
foreach (Tile item in grid)
{
item.Label = "test";
}
var actual = emptyTile.Label;
var expected = "test";
Assert.AreEqual(expected, actual);
}
public void TestGetTileAtPositionMethodToThrowWhenNoValidPositionIsProvided()
{
var grid = new Grid();
var tile = new Tile("3", 3, TileType.Number);
var anotherTile = new Tile("4", 4, TileType.Number);
grid.AddTile(tile);
grid.AddTile(anotherTile);
var actual = grid.GetTileAtPosition(2);
var expected = anotherTile;
Assert.AreEqual(expected, actual);
}
public void TestGetTileFromLabelMethodToReturnNullWhenNoValidDataIsProvided()
{
var grid = new Grid();
var tile = new Tile("1", 1, TileType.Number);
var anotherTile = new Tile("2", 2, TileType.Number);
grid.AddTile(tile);
grid.AddTile(anotherTile);
var actual = grid.GetTileFromLabel("3");
Assert.AreEqual(null, actual);
}
private bool IsValidMove(Tile tile)
{
if (!this.IsValidTileLabel(int.Parse(tile.Label)))
{
return false;
}
return this.grid.CanSwap(tile);
}
/// <summary>
/// Helper method for tile comparison when two tiles are identical.
/// </summary>
/// <param name="tile">Tile to be cloned.</param>
/// <param name="newLabel">String Value of the Label property for the new Tile.</param>
/// <param name="newPosition">String Value of the Position property for the new Tile.</param>
/// <param name="newType">Enumeration TileType specifies the type of the new cloned Tile.Default is TileType.Number.</param>
/// <returns>New Tile with the specified input values.</returns>
private Tile CloneTile(Tile tile, string newLabel, int newPosition, TileType newType = TileType.Number)
{
var newTile = tile.CloneMemberwise();
newTile.Label = newLabel;
newTile.Position = newPosition;
newTile.Type = newType;
return newTile;
}