diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml new file mode 100644 index 0000000..aa90548 --- /dev/null +++ b/.github/workflows/test.yml @@ -0,0 +1,29 @@ +name: Tests + +on: + push: + branches: ['*'] + pull_request: + branches: ['*'] + +jobs: + test: + name: Run Unit Tests + runs-on: ubuntu-latest + continue-on-error: true + + steps: + - name: Checkout repository + uses: actions/checkout@v4 + + - name: Setup Node.js + uses: actions/setup-node@v4 + with: + node-version: '20' + cache: 'npm' + + - name: Install dependencies + run: npm ci + + - name: Run tests + run: npm test diff --git a/AGENTS.md b/AGENTS.md new file mode 100644 index 0000000..611ca91 --- /dev/null +++ b/AGENTS.md @@ -0,0 +1,4 @@ +# Unit tests + +- add unit tests for: fundamental game logic implementing game rules, and non-trivial game-specific logic, and non-trivial shared/common logic +- otherwise, avoid unnecessary tests, avoid change detector tests, avoid over mocked tests \ No newline at end of file diff --git a/index.html b/index.html index 27dc4f8..e92927a 100644 --- a/index.html +++ b/index.html @@ -9,6 +9,19 @@ margin: 0; background-color: #f0f0f0; } + .player-container { + display: flex; + justify-content: center; + gap: 40px; + padding: 20px; + } + @media (max-width: 768px) { + .player-container { + flex-direction: column; + gap: 20px; + align-items: center; + } + } diff --git a/package-lock.json b/package-lock.json index a8982d4..5cbb173 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,11 +1,11 @@ { - "name": "fgj", + "name": "fgj-js", "version": "1.0.0", "lockfileVersion": 3, "requires": true, "packages": { "": { - "name": "fgj", + "name": "fgj-js", "version": "1.0.0", "license": "ISC", "dependencies": { @@ -18,7 +18,8 @@ "@types/react-dom": "^19.2.3", "@vitejs/plugin-react": "^5.1.2", "typescript": "^5.9.3", - "vite": "^7.3.1" + "vite": "^7.3.1", + "vitest": "^4.0.18" } }, "node_modules/@babel/code-frame": { @@ -1217,6 +1218,13 @@ "integrity": 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"https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz", @@ -3277,6 +3527,16 @@ "url": "https://github.com/sponsors/SuperchupuDev" } }, + "node_modules/tinyrainbow": { + "version": "3.0.3", + "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.0.3.tgz", + "integrity": "sha512-PSkbLUoxOFRzJYjjxHJt9xro7D+iilgMX/C9lawzVuYiIdcihh9DXmVibBe8lmcFrRi/VzlPjBxbN7rH24q8/Q==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=14.0.0" + } + }, "node_modules/toidentifier": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz", @@ -3458,6 +3718,101 @@ } } }, + "node_modules/vitest": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.0.18.tgz", + "integrity": "sha512-hOQuK7h0FGKgBAas7v0mSAsnvrIgAvWmRFjmzpJ7SwFHH3g1k2u37JtYwOwmEKhK6ZO3v9ggDBBm0La1LCK4uQ==", + "dev": true, + "license": "MIT", + "dependencies": { + "@vitest/expect": "4.0.18", + "@vitest/mocker": "4.0.18", + "@vitest/pretty-format": "4.0.18", + "@vitest/runner": "4.0.18", + "@vitest/snapshot": "4.0.18", + "@vitest/spy": "4.0.18", + "@vitest/utils": "4.0.18", + "es-module-lexer": "^1.7.0", + "expect-type": "^1.2.2", + "magic-string": "^0.30.21", + "obug": "^2.1.1", + "pathe": "^2.0.3", + "picomatch": "^4.0.3", + "std-env": "^3.10.0", + "tinybench": "^2.9.0", + "tinyexec": "^1.0.2", + "tinyglobby": "^0.2.15", + "tinyrainbow": "^3.0.3", + "vite": "^6.0.0 || ^7.0.0", + "why-is-node-running": "^2.3.0" + }, + "bin": { + "vitest": "vitest.mjs" + }, + "engines": { + "node": "^20.0.0 || ^22.0.0 || >=24.0.0" + }, + "funding": { + "url": "https://opencollective.com/vitest" + }, + "peerDependencies": { + "@edge-runtime/vm": "*", + "@opentelemetry/api": "^1.9.0", + "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0", + "@vitest/browser-playwright": "4.0.18", + "@vitest/browser-preview": "4.0.18", + "@vitest/browser-webdriverio": "4.0.18", + "@vitest/ui": "4.0.18", + "happy-dom": "*", + "jsdom": "*" + }, + "peerDependenciesMeta": { + "@edge-runtime/vm": { + "optional": true + }, + "@opentelemetry/api": { + "optional": true + }, + "@types/node": { + "optional": true + }, + "@vitest/browser-playwright": { + "optional": true + }, + "@vitest/browser-preview": { + "optional": true + }, + "@vitest/browser-webdriverio": { + "optional": true + }, + "@vitest/ui": { + "optional": true + }, + "happy-dom": { + "optional": true + }, + "jsdom": { + "optional": true + } + } + }, + "node_modules/why-is-node-running": { + "version": "2.3.0", + "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz", + "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==", + "dev": true, + "license": "MIT", + "dependencies": { + "siginfo": "^2.0.0", + "stackback": "0.0.2" + }, + "bin": { + "why-is-node-running": "cli.js" + }, + "engines": { + "node": ">=8" + } + }, "node_modules/wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", diff --git a/package.json b/package.json index b59d385..c6c984d 100644 --- a/package.json +++ b/package.json @@ -7,7 +7,9 @@ "scripts": { "dev": "vite", "build": "tsc && vite build", - "preview": "vite preview" + "preview": "vite preview", + "test": "vitest run", + "test:watch": "vitest" }, "repository": { "type": "git", @@ -26,6 +28,7 @@ "@types/react-dom": "^19.2.3", "@vitejs/plugin-react": "^5.1.2", "typescript": "^5.9.3", - "vite": "^7.3.1" + "vite": "^7.3.1", + "vitest": "^4.0.18" } } diff --git a/src/App.tsx b/src/App.tsx index d4e33a4..285d192 100644 --- a/src/App.tsx +++ b/src/App.tsx @@ -102,7 +102,7 @@ function GameView({ gameId, definition }: { gameId: string; definition: GameDefi ← Back to games -
+

Player 1

diff --git a/src/games/rock-paper-scissors/Game.test.ts b/src/games/rock-paper-scissors/Game.test.ts new file mode 100644 index 0000000..9059901 --- /dev/null +++ b/src/games/rock-paper-scissors/Game.test.ts @@ -0,0 +1,55 @@ +import { describe, it, expect } from 'vitest'; +import { getWinner, Move } from './Game'; + +describe('getWinner', () => { + describe('returns null for incomplete moves', () => { + it('returns null when first player has not moved', () => { + expect(getWinner(null, 'rock')).toBe(null); + }); + + it('returns null when second player has not moved', () => { + expect(getWinner('rock', null)).toBe(null); + }); + + it('returns null when neither player has moved', () => { + expect(getWinner(null, null)).toBe(null); + }); + }); + + describe('returns tie for matching moves', () => { + it.each(['rock', 'paper', 'scissors'])( + 'returns tie when both players choose %s', + (move) => { + expect(getWinner(move, move)).toBe('tie'); + } + ); + }); + + describe('player 0 wins', () => { + it('rock beats scissors', () => { + expect(getWinner('rock', 'scissors')).toBe('0'); + }); + + it('paper beats rock', () => { + expect(getWinner('paper', 'rock')).toBe('0'); + }); + + it('scissors beats paper', () => { + expect(getWinner('scissors', 'paper')).toBe('0'); + }); + }); + + describe('player 1 wins', () => { + it('rock beats scissors', () => { + expect(getWinner('scissors', 'rock')).toBe('1'); + }); + + it('paper beats rock', () => { + expect(getWinner('rock', 'paper')).toBe('1'); + }); + + it('scissors beats paper', () => { + expect(getWinner('paper', 'scissors')).toBe('1'); + }); + }); +}); diff --git a/src/games/rock-paper-scissors/Game.ts b/src/games/rock-paper-scissors/Game.ts index 13bdada..92b121c 100644 --- a/src/games/rock-paper-scissors/Game.ts +++ b/src/games/rock-paper-scissors/Game.ts @@ -9,7 +9,7 @@ export interface RPSState { lastResult: string | null; } -function getWinner(move0: Move, move1: Move): '0' | '1' | 'tie' | null { +export function getWinner(move0: Move, move1: Move): '0' | '1' | 'tie' | null { if (!move0 || !move1) return null; if (move0 === move1) return 'tie'; if ( diff --git a/src/games/tic-tac-toe/Game.test.ts b/src/games/tic-tac-toe/Game.test.ts new file mode 100644 index 0000000..b74548d --- /dev/null +++ b/src/games/tic-tac-toe/Game.test.ts @@ -0,0 +1,141 @@ +import { describe, it, expect } from 'vitest'; +import { isVictory, isDraw } from './Game'; + +describe('isVictory', () => { + describe('returns false for non-winning boards', () => { + it('returns false for empty board', () => { + const cells = Array(9).fill(null); + expect(isVictory(cells)).toBe(false); + }); + + it('returns false for partial game with no winner', () => { + const cells = [ + '0', '1', '0', + '1', '0', '1', + null, null, null, + ]; + expect(isVictory(cells)).toBe(false); + }); + + it('returns false for a draw board', () => { + const cells = [ + '0', '1', '0', + '0', '1', '1', + '1', '0', '0', + ]; + expect(isVictory(cells)).toBe(false); + }); + }); + + describe('detects row wins', () => { + it('detects top row win', () => { + const cells = [ + '0', '0', '0', + '1', '1', null, + null, null, null, + ]; + expect(isVictory(cells)).toBe(true); + }); + + it('detects middle row win', () => { + const cells = [ + '0', '1', null, + '1', '1', '1', + '0', null, '0', + ]; + expect(isVictory(cells)).toBe(true); + }); + + it('detects bottom row win', () => { + const cells = [ + '0', '1', '0', + '1', null, null, + '0', '0', '0', + ]; + expect(isVictory(cells)).toBe(true); + }); + }); + + describe('detects column wins', () => { + it('detects left column win', () => { + const cells = [ + '0', '1', null, + '0', '1', null, + '0', null, null, + ]; + expect(isVictory(cells)).toBe(true); + }); + + it('detects middle column win', () => { + const cells = [ + '0', '1', null, + null, '1', '0', + null, '1', null, + ]; + expect(isVictory(cells)).toBe(true); + }); + + it('detects right column win', () => { + const cells = [ + '0', '1', '0', + '1', null, '0', + null, null, '0', + ]; + expect(isVictory(cells)).toBe(true); + }); + }); + + describe('detects diagonal wins', () => { + it('detects main diagonal win (top-left to bottom-right)', () => { + const cells = [ + '0', '1', null, + '1', '0', null, + null, null, '0', + ]; + expect(isVictory(cells)).toBe(true); + }); + + it('detects anti-diagonal win (top-right to bottom-left)', () => { + const cells = [ + '1', null, '0', + '1', '0', null, + '0', null, null, + ]; + expect(isVictory(cells)).toBe(true); + }); + }); +}); + +describe('isDraw', () => { + it('returns false for empty board', () => { + const cells = Array(9).fill(null); + expect(isDraw(cells)).toBe(false); + }); + + it('returns false for partial board', () => { + const cells = [ + '0', '1', '0', + '1', '0', '1', + null, null, null, + ]; + expect(isDraw(cells)).toBe(false); + }); + + it('returns false for board with one empty cell', () => { + const cells = [ + '0', '1', '0', + '1', '0', '1', + '1', '0', null, + ]; + expect(isDraw(cells)).toBe(false); + }); + + it('returns true for full board', () => { + const cells = [ + '0', '1', '0', + '0', '1', '1', + '1', '0', '0', + ]; + expect(isDraw(cells)).toBe(true); + }); +});