tictactoe_test.js

import * as assert from "assert";

import { Game } from "./tictactoe.js";

function test_empty() {
  const expectedBoard = [
      [null, null, null],
      [null, null, null],
      [null, null, null],
  ];
  const game = new Game();
  assert.deepEqual(game.board, expectedBoard);
}

function test_make_move() {
  const expectedBoard = [
      [ "X", null, "O"],
      [null,  "X", "O"],
      [null, null, "X"],
  ];
  const game = new Game();
  game.makeMove("B2");
  game.makeMove("C3");
  game.makeMove("A3");
  game.makeMove("C2");
  game.makeMove("C1");
  assert.deepEqual(game.board, expectedBoard);
  assert.equal(game.isGameOver(), true);
  assert.equal(game.hasWinner(), true);
}

function test_make_move_draw() {
  const expectedBoard = [
      ["O", "X", "X"],
      ["X", "O", "O"],
      ["X", "O", "X"],
  ];
  const game = new Game();
  game.makeMove("A1");
  game.makeMove("B2");
  game.makeMove("A2");
  game.makeMove("A3");
  game.makeMove("C1");
  game.makeMove("B1");
  game.makeMove("B3");
  game.makeMove("C2");
  game.makeMove("C3");
  assert.deepEqual(game.board, expectedBoard);
  assert.equal(game.isGameOver(), true);
  assert.equal(game.hasWinner(), false);
}

test_empty();
test_make_move();
test_make_move_draw();