fix: možnost připojit se ke hře Tetris během odpočtu před startem

server/src/tests/tetrisGame.test.ts

@@ -1,4 +1,4 @@
-import { TetrisGame, TetrisState, TetrisSettings, GarbageEvent, COUNTDOWN_SECONDS, MIN_ATTACK_GAP_MS, WATCH_FLUSH_MS, BOARD_WIDTH, BOARD_HEIGHT, PLAYER_TIMEOUT_MS, DEFAULT_SETTINGS } from '../tetrisGame';
+import { TetrisGame, TetrisState, TetrisSettings, GarbageEvent, COUNTDOWN_SECONDS, JOIN_GRACE_SECONDS, MIN_ATTACK_GAP_MS, WATCH_FLUSH_MS, BOARD_WIDTH, BOARD_HEIGHT, PLAYER_TIMEOUT_MS, DEFAULT_SETTINGS } from '../tetrisGame';
 import { GameError } from '../minigames';
 import { fakeClock } from './helpers/fakeClock';
 
@@ -195,4 +195,29 @@ describe('tetris', () => {
         ctx.startGame('alice');
         expect(() => ctx.game.join('bob')).toThrow(GameError);
     });
+
+    test('během odpočtu se lze ještě připojit', () => {
+        const ctx = setup();
+        ctx.game.join('alice');
+        ctx.game.start('alice');
+        ctx.clock.advance(1000);
+        ctx.game.join('bob');
+        expect(ctx.last()).toMatchObject({ phase: 'countdown', countdown: COUNTDOWN_SECONDS - 1 });
+        expect(ctx.last().players.map(p => p.login)).toEqual(['alice', 'bob']);
+        ctx.clock.advance((COUNTDOWN_SECONDS - 1) * 1000);
+        expect(ctx.last().phase).toBe('playing');
+    });
+
+    test('připojení na poslední chvíli prodlouží odpočet', () => {
+        const ctx = setup();
+        ctx.game.join('alice');
+        ctx.game.start('alice');
+        ctx.clock.advance((COUNTDOWN_SECONDS - 1) * 1000);
+        ctx.game.join('bob');
+        expect(ctx.last()).toMatchObject({ phase: 'countdown', countdown: JOIN_GRACE_SECONDS });
+        ctx.clock.advance((JOIN_GRACE_SECONDS - 1) * 1000);
+        expect(ctx.last().phase).toBe('countdown');
+        ctx.clock.advance(1000);
+        expect(ctx.last().phase).toBe('playing');
+    });
 });