public void CannotPlaceATokenOnASquareThatAlreadyHasATokenOnIt()
{
Board board = New();
PlaceTokenResponse placeXResponse = Execute(new PlaceTokenRequest
{
Board = board,
Type = "X",
Column = 1,
Row = 1,
});
PlaceTokenResponse placeOResponse = Execute(new PlaceTokenRequest
{
Board = placeXResponse.Board,
Type = "O",
Column = 1,
Row = 1,
});
ExpectAResponseWithAGivenGridAndError(
placeOResponse,
new string[9] {
"X", null, null, null, null, null, null, null, null
},
new AlreadyPlacedException()
);
}
public void CanCompleteAGameByPlacingMultipleOTokens()
{
Board board = New();
PlaceTokenResponse response = Execute(new PlaceTokenRequest
{
Board = board,
Type = "O",
Column = 1,
Row = 1,
});
response = Execute(new PlaceTokenRequest
{
Board = response.Board,
Type = "O",
Column = 1,
Row = 2,
});
response = Execute(new PlaceTokenRequest
{
Board = response.Board,
Type = "O",
Column = 1,
Row = 3,
});
ExpectACompleteBoard(response);
}
public void GivenACompleteGameWhenIPlaceATokenOnTheBoardThenTheStateOfTheBoardShouldNotChange()
{
GivenACompleteGame();
PlaceTokenResponse response = WhenIPlaceAToken("X", 2, 2);
response.Board.IsComplete().Should().BeTrue("The game is finished");
response.Board.Grid[3 * 1 + 1].Should().BeNullOrEmpty("New tokens are not allowed");
}
public void GivenANewGameWhenIPlaceAWinningCombinationOfOThenIShouldHaveACompleteBoard()
{
GivenANewGame();
WhenIPlaceAToken("O", 1, 1);
WhenIPlaceAToken("O", 1, 2);
PlaceTokenResponse response = WhenIPlaceAToken("O", 1, 3);
ExpectACompleteBoard(response);
}
public void GivenANewGameWhenIPlaceAWinningSetOfTokensDiagonallyOnTheBoardThenIShouldHaveACompleteBoard()
{
GivenANewGame();
WhenIPlaceAToken("X", 1, 1);
WhenIPlaceAToken("X", 2, 2);
PlaceTokenResponse response = WhenIPlaceAToken("X", 3, 3);
ExpectACompleteBoard(response);
}
public void CannotPlaceATokenOnASquareOutsideOfTheBoard()
{
PlaceTokenResponse response = Execute(new PlaceTokenRequest
{
Board = New(),
Type = "X",
Column = 4,
Row = 4,
});
ExpectAResponseWithAGivenGridAndError(response, new string[9], new OffBoardException());
}
public void CanPlaceATokenOnTheLastSquareOfABoard()
{
PlaceTokenResponse response = Execute(new PlaceTokenRequest
{
Board = New(),
Type = "X",
Column = 3,
Row = 3,
});
ExpectTheBoardToHaveAAt(response, "X", 8);
}
private static void ExpectTheBoardToHaveAAt(PlaceTokenResponse response, string type, int index)
{
string[] grid = new string[9];
grid[index] = type;
response.Should().BeEquivalentTo(new NewGameResponse
{
Board = new Board
{
Grid = grid
},
Status = new Incomplete(),
});
}
private static void ExpectAResponseWithAGivenGridAndError(
PlaceTokenResponse response,
string[] expectedGrid,
System.Exception expectedError
)
{
response.Should().BeEquivalentTo(new PlaceTokenResponse
{
Board = new Board
{
Grid = expectedGrid,
},
Error = expectedError,
Status = new Incomplete(),
});
}
private PlaceTokenResponse WhenIPlaceAToken(string type, int column, int row)
{
PlaceTokenRequest request = new PlaceTokenRequest
{
Board = _board,
Row = row,
Column = column,
Type = type,
};
PlaceTokenResponse response = _placeToken.Execute(request);
_board = response.Board;
return(response);
}
public void CannotPlaceAnInvalidToken()
{
Board board = New();
PlaceTokenResponse response = Execute(new PlaceTokenRequest
{
Board = board,
Type = "Y",
Column = 1,
Row = 1,
});
ExpectAResponseWithAGivenGridAndError(
response,
new string[9],
new InvalidTokenException()
);
}
public void CannotPlaceATokenOnACompleteBoard()
{
Board board = New();
PlaceTokenResponse response = Execute(new PlaceTokenRequest
{
Board = board,
Type = "X",
Column = 1,
Row = 1,
});
response = Execute(new PlaceTokenRequest
{
Board = response.Board,
Type = "X",
Column = 1,
Row = 2,
});
response = Execute(new PlaceTokenRequest
{
Board = response.Board,
Type = "X",
Column = 1,
Row = 3,
});
response = Execute(new PlaceTokenRequest
{
Board = response.Board,
Type = "X",
Column = 2,
Row = 2,
});
response.Error.Should().BeOfType <BoardCompleteException>();
}
private static void ExpectACompleteBoard(PlaceTokenResponse response)
{
response.Status.Should().BeOfType <Complete>();
}