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| 1 | +using System; |
| 2 | +using Microsoft.VisualStudio.TestTools.UnitTesting; |
| 3 | + |
| 4 | +namespace TikTakToe.Engine.Tests |
| 5 | +{ |
| 6 | + [TestClass] |
| 7 | + public class GamePlayTests |
| 8 | + { |
| 9 | + [TestMethod] |
| 10 | + public void XMustGoFirst_Test() |
| 11 | + { |
| 12 | + GameBoard gameBoard = new GameBoard(); |
| 13 | + string startBoard = gameBoard.RenderBoard(); |
| 14 | + |
| 15 | + var whosTurn = gameBoard.WhosTurnIsIt(); |
| 16 | + |
| 17 | + Assert.AreEqual("X", whosTurn.whosTurn, $"First turn should go to X but it was {whosTurn.whosTurn}"); |
| 18 | + |
| 19 | + MoveResult result = gameBoard.ExecuteTurn("O", 4); |
| 20 | + |
| 21 | + Assert.IsFalse(result.IsValid, "Move should have been invalid but was computed as valid."); |
| 22 | + Assert.AreEqual(startBoard, gameBoard.RenderBoard()); |
| 23 | + } |
| 24 | + |
| 25 | + [TestMethod] |
| 26 | + public void XGoesAndNowItIsOsTurn_Test() |
| 27 | + { |
| 28 | + GameBoard gameBoard = new GameBoard(); |
| 29 | + |
| 30 | + var whosTurn = gameBoard.WhosTurnIsIt(); |
| 31 | + |
| 32 | + Assert.AreEqual("X", whosTurn.whosTurn, $"First turn should go to X but it was {whosTurn.whosTurn}"); |
| 33 | + |
| 34 | + MoveResult result = gameBoard.ExecuteTurn("X", 4); |
| 35 | + |
| 36 | + Assert.IsTrue(result.IsValid, "Move should have been valid but was computed as invalid."); |
| 37 | + whosTurn = gameBoard.WhosTurnIsIt(); |
| 38 | + Assert.AreEqual("O", whosTurn.whosTurn, $"Next move should go to O but it was computed as {whosTurn.whosTurn}"); |
| 39 | + } |
| 40 | + |
| 41 | + [TestMethod] |
| 42 | + public void XWins_Test() |
| 43 | + { |
| 44 | + GameBoard gameBoard = new GameBoard(); |
| 45 | + MoveResult move = gameBoard.ExecuteTurn("X", 8); |
| 46 | + var next = gameBoard.WhosTurnIsIt(); |
| 47 | + Assert.AreEqual("O", next.whosTurn, "Should be O's turn but was not computed that way."); |
| 48 | + |
| 49 | + move = gameBoard.ExecuteTurn("O", 6); |
| 50 | + next = gameBoard.WhosTurnIsIt(); |
| 51 | + Assert.AreEqual("X", next.whosTurn, "Should be X's turn but was not computed that way."); |
| 52 | + |
| 53 | + move = gameBoard.ExecuteTurn("X", 4); |
| 54 | + next = gameBoard.WhosTurnIsIt(); |
| 55 | + Assert.AreEqual("O", next.whosTurn, "Should be O's turn but was not computed that way."); |
| 56 | + |
| 57 | + move = gameBoard.ExecuteTurn("O", 7); |
| 58 | + next = gameBoard.WhosTurnIsIt(); |
| 59 | + Assert.AreEqual("X", next.whosTurn, "Should be X's turn but was not computed that way."); |
| 60 | + |
| 61 | + move = gameBoard.ExecuteTurn("X", 0); |
| 62 | + Console.WriteLine(move.GameBoard); |
| 63 | + next = gameBoard.WhosTurnIsIt(); |
| 64 | + var gameover = gameBoard.IsGameOver(); |
| 65 | + Assert.IsTrue(gameover.gameIsOver, "Game should be over but was not computed as such."); |
| 66 | + Assert.AreEqual("X", gameover.winner); |
| 67 | + } |
| 68 | + |
| 69 | + [TestMethod] |
| 70 | + public void OWinsTest() |
| 71 | + { |
| 72 | + GameBoard gameBoard = new GameBoard(); |
| 73 | + |
| 74 | + MoveResult move = gameBoard.ExecuteTurn("X", 3); |
| 75 | + move = gameBoard.ExecuteTurn("O", 0); |
| 76 | + move = gameBoard.ExecuteTurn("X", 1); |
| 77 | + move = gameBoard.ExecuteTurn("O", 4); |
| 78 | + move = gameBoard.ExecuteTurn("X", 5); |
| 79 | + move = gameBoard.ExecuteTurn("O", 8); |
| 80 | + |
| 81 | + var gameover = gameBoard.IsGameOver(); |
| 82 | + Assert.IsTrue(gameover.gameIsOver, "Game should be over but was not computed as such."); |
| 83 | + Assert.AreEqual("O", gameover.winner); |
| 84 | + } |
| 85 | + |
| 86 | + [TestMethod] |
| 87 | + public void GameIsDraw_Test() |
| 88 | + { |
| 89 | + GameBoard gameBoard = new GameBoard(); |
| 90 | + |
| 91 | + MoveResult move = gameBoard.ExecuteTurn("X", 1); |
| 92 | + move = gameBoard.ExecuteTurn("O", 0); |
| 93 | + move = gameBoard.ExecuteTurn("X", 4); |
| 94 | + move = gameBoard.ExecuteTurn("O", 2); |
| 95 | + move = gameBoard.ExecuteTurn("X", 5); |
| 96 | + move = gameBoard.ExecuteTurn("O", 3); |
| 97 | + move = gameBoard.ExecuteTurn("X", 6); |
| 98 | + move = gameBoard.ExecuteTurn("O", 7); |
| 99 | + move = gameBoard.ExecuteTurn("X", 8); |
| 100 | + |
| 101 | + Assert.IsTrue(move.GameIsOver, "Game should be over but was not computed as such."); |
| 102 | + Assert.AreEqual("DRAW", gameBoard.Winner); |
| 103 | + } |
| 104 | + |
| 105 | + [TestMethod] |
| 106 | + public void XGoesWhenItIsOsTurn_Test() |
| 107 | + { |
| 108 | + GameBoard gameBoard = new GameBoard(); |
| 109 | + |
| 110 | + MoveResult move = gameBoard.ExecuteTurn("X", 1); |
| 111 | + move = gameBoard.ExecuteTurn("O", 0); |
| 112 | + move = gameBoard.ExecuteTurn("X", 4); |
| 113 | + string gameBoardStateAtLastValidTurn = gameBoard.RenderBoard(); |
| 114 | + move = gameBoard.ExecuteTurn("X", 2); |
| 115 | + |
| 116 | + Assert.IsFalse(move.IsValid, "X going twice should be invalid but it was not computed as such."); |
| 117 | + Assert.IsFalse(move.GameIsOver, "Game should not be over but it was computed as over."); |
| 118 | + Assert.AreEqual("It is O's turn to move. Play fair.", move.Reason); |
| 119 | + Assert.AreEqual(gameBoardStateAtLastValidTurn, gameBoard.RenderBoard(), "Gameboard state should not have changed on an invalid move but it did."); |
| 120 | + } |
| 121 | + |
| 122 | + [TestMethod] |
| 123 | + public void OGoesWhenItIsXsTurn_Test() |
| 124 | + { |
| 125 | + GameBoard gameBoard = new GameBoard(); |
| 126 | + |
| 127 | + MoveResult move = gameBoard.ExecuteTurn("X", 1); |
| 128 | + move = gameBoard.ExecuteTurn("O", 0); |
| 129 | + move = gameBoard.ExecuteTurn("X", 4); |
| 130 | + move = gameBoard.ExecuteTurn("O", 2); |
| 131 | + string gameBoardStateAtLastValidTurn = gameBoard.RenderBoard(); |
| 132 | + move = gameBoard.ExecuteTurn("O", 3); |
| 133 | + |
| 134 | + Assert.IsFalse(move.IsValid, "O going twice should be invalid but it was not computed as such."); |
| 135 | + Assert.IsFalse(move.GameIsOver, "Game should not be over but it was computed as over."); |
| 136 | + Assert.AreEqual("It is X's turn to move. Play fair.", move.Reason); |
| 137 | + Assert.AreEqual(gameBoardStateAtLastValidTurn, gameBoard.RenderBoard(), "Gameboard state should not have changed on an invalid move but it did."); |
| 138 | + } |
| 139 | + |
| 140 | + [TestMethod] |
| 141 | + public void GameReportsOver_Test() |
| 142 | + { |
| 143 | + GameBoard gameBoard = new GameBoard(); |
| 144 | + MoveResult move = gameBoard.ExecuteTurn("X", 8); |
| 145 | + |
| 146 | + move = gameBoard.ExecuteTurn("O", 6); |
| 147 | + move = gameBoard.ExecuteTurn("X", 4); |
| 148 | + move = gameBoard.ExecuteTurn("O", 7); |
| 149 | + move = gameBoard.ExecuteTurn("X", 0); |
| 150 | + |
| 151 | + move = gameBoard.ExecuteTurn("O", 1); |
| 152 | + Assert.IsTrue(move.GameIsOver, "Game should be over but was not computed as such."); |
| 153 | + Assert.IsFalse(move.IsValid, "Move was not valid"); |
| 154 | + Assert.AreEqual("Game is Over. Congratulations to X", move.Reason); |
| 155 | + } |
| 156 | + |
| 157 | + [TestMethod] |
| 158 | + public void XMovesInSpotOccupiedByO_Test() |
| 159 | + { |
| 160 | + GameBoard gameBoard = new GameBoard(); |
| 161 | + MoveResult move = gameBoard.ExecuteTurn("X", 8); |
| 162 | + |
| 163 | + move = gameBoard.ExecuteTurn("O", 6); |
| 164 | + move = gameBoard.ExecuteTurn("X", 4); |
| 165 | + move = gameBoard.ExecuteTurn("O", 7); |
| 166 | + move = gameBoard.ExecuteTurn("X", 7); |
| 167 | + |
| 168 | + Assert.IsFalse(move.GameIsOver, "Game should not be over but was computed as such."); |
| 169 | + Assert.IsFalse(move.IsValid, "Move should be invalid"); |
| 170 | + Assert.AreEqual("The square is already occupied by O. Turn aborted, try again.", move.Reason); |
| 171 | + } |
| 172 | + |
| 173 | + [TestMethod] |
| 174 | + public void XMovesInSpotOccupiedByX_Test() |
| 175 | + { |
| 176 | + GameBoard gameBoard = new GameBoard(); |
| 177 | + MoveResult move = gameBoard.ExecuteTurn("X", 8); |
| 178 | + |
| 179 | + move = gameBoard.ExecuteTurn("O", 6); |
| 180 | + move = gameBoard.ExecuteTurn("X", 4); |
| 181 | + move = gameBoard.ExecuteTurn("O", 7); |
| 182 | + move = gameBoard.ExecuteTurn("X", 4); |
| 183 | + |
| 184 | + Assert.IsFalse(move.GameIsOver, "Game should not be over but was computed as such."); |
| 185 | + Assert.IsFalse(move.IsValid, "Move should be invalid"); |
| 186 | + Assert.AreEqual("The square is already occupied by X. Turn aborted, try again.", move.Reason); |
| 187 | + } |
| 188 | + |
| 189 | + [TestMethod] |
| 190 | + public void OMovesInSpotOccupiedByO_Test() |
| 191 | + { |
| 192 | + GameBoard gameBoard = new GameBoard(); |
| 193 | + MoveResult move = gameBoard.ExecuteTurn("X", 8); |
| 194 | + |
| 195 | + move = gameBoard.ExecuteTurn("O", 6); |
| 196 | + move = gameBoard.ExecuteTurn("X", 4); |
| 197 | + move = gameBoard.ExecuteTurn("O", 6); |
| 198 | + |
| 199 | + Assert.IsFalse(move.GameIsOver, "Game should not be over but was computed as such."); |
| 200 | + Assert.IsFalse(move.IsValid, "Move should be invalid"); |
| 201 | + Assert.AreEqual("The square is already occupied by O. Turn aborted, try again.", move.Reason); |
| 202 | + } |
| 203 | + |
| 204 | + [TestMethod] |
| 205 | + public void OMovesInSpotOccupiedByX_Test() |
| 206 | + { |
| 207 | + GameBoard gameBoard = new GameBoard(); |
| 208 | + MoveResult move = gameBoard.ExecuteTurn("X", 8); |
| 209 | + |
| 210 | + move = gameBoard.ExecuteTurn("O", 6); |
| 211 | + move = gameBoard.ExecuteTurn("X", 4); |
| 212 | + move = gameBoard.ExecuteTurn("O", 4); |
| 213 | + |
| 214 | + Assert.IsFalse(move.GameIsOver, "Game should not be over but was computed as such."); |
| 215 | + Assert.IsFalse(move.IsValid, "Move should be invalid"); |
| 216 | + Assert.AreEqual("The square is already occupied by X. Turn aborted, try again.", move.Reason); |
| 217 | + } |
| 218 | + } |
| 219 | +} |
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