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/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": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==", "license": "MIT" }, + "node_modules/@standard-schema/spec": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz", + "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==", + "dev": true, + "license": "MIT" + }, "node_modules/@types/accepts": { "version": "1.3.7", "resolved": "https://registry.npmjs.org/@types/accepts/-/accepts-1.3.7.tgz", @@ -1281,6 +1289,17 @@ "@types/node": "*" } }, + "node_modules/@types/chai": { + "version": "5.2.3", + "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.3.tgz", + "integrity": "sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==", + "dev": true, + "license": "MIT", + "dependencies": { + "@types/deep-eql": "*", + "assertion-error": "^2.0.1" + } + }, "node_modules/@types/component-emitter": { "version": "1.2.14", "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.14.tgz", @@ -1329,6 +1348,13 @@ "@types/node": "*" } }, + "node_modules/@types/deep-eql": { + "version": "4.0.2", + "resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz", + "integrity": "sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==", + "dev": true, + "license": "MIT" + }, "node_modules/@types/estree": { "version": "1.0.8", "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz", @@ -1501,6 +1527,117 @@ "vite": "^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0" } }, + "node_modules/@vitest/expect": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.0.18.tgz", + "integrity": "sha512-8sCWUyckXXYvx4opfzVY03EOiYVxyNrHS5QxX3DAIi5dpJAAkyJezHCP77VMX4HKA2LDT/Jpfo8i2r5BE3GnQQ==", + "dev": true, + "license": "MIT", + "dependencies": { + "@standard-schema/spec": "^1.0.0", + "@types/chai": "^5.2.2", + "@vitest/spy": "4.0.18", + "@vitest/utils": "4.0.18", + "chai": "^6.2.1", + "tinyrainbow": "^3.0.3" + }, + "funding": { + "url": "https://opencollective.com/vitest" + } + }, + "node_modules/@vitest/mocker": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.18.tgz", + "integrity": "sha512-HhVd0MDnzzsgevnOWCBj5Otnzobjy5wLBe4EdeeFGv8luMsGcYqDuFRMcttKWZA5vVO8RFjexVovXvAM4JoJDQ==", + "dev": true, + "license": "MIT", + "dependencies": { + "@vitest/spy": "4.0.18", + "estree-walker": "^3.0.3", + "magic-string": "^0.30.21" + }, + "funding": { + "url": "https://opencollective.com/vitest" + }, + "peerDependencies": { + "msw": "^2.4.9", + "vite": "^6.0.0 || ^7.0.0-0" + }, + "peerDependenciesMeta": { + "msw": { + "optional": true + }, + "vite": { + "optional": true + } + } + }, + "node_modules/@vitest/pretty-format": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.18.tgz", + "integrity": "sha512-P24GK3GulZWC5tz87ux0m8OADrQIUVDPIjjj65vBXYG17ZeU3qD7r+MNZ1RNv4l8CGU2vtTRqixrOi9fYk/yKw==", + "dev": true, + "license": "MIT", + "dependencies": { + "tinyrainbow": "^3.0.3" + }, + "funding": { + "url": "https://opencollective.com/vitest" + } + }, + "node_modules/@vitest/runner": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.0.18.tgz", + "integrity": "sha512-rpk9y12PGa22Jg6g5M3UVVnTS7+zycIGk9ZNGN+m6tZHKQb7jrP7/77WfZy13Y/EUDd52NDsLRQhYKtv7XfPQw==", + "dev": true, + "license": "MIT", + "dependencies": { + "@vitest/utils": "4.0.18", + "pathe": "^2.0.3" + }, + "funding": { + "url": "https://opencollective.com/vitest" + } + }, + "node_modules/@vitest/snapshot": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.0.18.tgz", + "integrity": "sha512-PCiV0rcl7jKQjbgYqjtakly6T1uwv/5BQ9SwBLekVg/EaYeQFPiXcgrC2Y7vDMA8dM1SUEAEV82kgSQIlXNMvA==", + "dev": true, + "license": "MIT", + "dependencies": { + "@vitest/pretty-format": "4.0.18", + "magic-string": "^0.30.21", + "pathe": "^2.0.3" + }, + "funding": { + "url": "https://opencollective.com/vitest" + } + }, + "node_modules/@vitest/spy": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.18.tgz", + "integrity": "sha512-cbQt3PTSD7P2OARdVW3qWER5EGq7PHlvE+QfzSC0lbwO+xnt7+XH06ZzFjFRgzUX//JmpxrCu92VdwvEPlWSNw==", + "dev": true, + "license": "MIT", + "funding": { + "url": "https://opencollective.com/vitest" + } + }, + "node_modules/@vitest/utils": { + "version": "4.0.18", + "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.18.tgz", + "integrity": "sha512-msMRKLMVLWygpK3u2Hybgi4MNjcYJvwTb0Ru09+fOyCXIgT5raYP041DRRdiJiI3k/2U6SEbAETB3YtBrUkCFA==", + "dev": true, + "license": "MIT", + "dependencies": { + "@vitest/pretty-format": "4.0.18", + "tinyrainbow": "^3.0.3" + }, + "funding": { + "url": "https://opencollective.com/vitest" + } + }, "node_modules/accepts": { "version": "1.3.8", "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", @@ -1520,6 +1657,16 @@ "integrity": "sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA==", "license": "MIT" }, + "node_modules/assertion-error": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz", + "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=12" + } + }, "node_modules/base64-arraybuffer": { "version": "0.1.4", "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz", @@ -1694,6 +1841,16 @@ ], "license": "CC-BY-4.0" }, + "node_modules/chai": { + "version": "6.2.2", + "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz", + "integrity": "sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=18" + } + }, "node_modules/co": { "version": "4.6.0", "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz", @@ -1971,6 +2128,13 @@ "node": ">= 0.4" } }, + "node_modules/es-module-lexer": { + "version": "1.7.0", + "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-1.7.0.tgz", + "integrity": "sha512-jEQoCwk8hyb2AZziIOLhDqpm5+2ww5uIE6lkO/6jcOCusfk6LhMHpXXfBLXTZ7Ydyt0j4VoUQv6uGNYbdW+kBA==", + "dev": true, + "license": "MIT" + }, "node_modules/es-object-atoms": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz", @@ -2041,12 +2205,32 @@ "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow==", "license": "MIT" }, + "node_modules/estree-walker": { + "version": "3.0.3", + "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz", + "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==", + "dev": true, + "license": "MIT", + "dependencies": { + "@types/estree": "^1.0.0" + } + }, "node_modules/eventemitter3": { "version": "4.0.7", "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz", "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==", "license": "MIT" }, + "node_modules/expect-type": { + "version": "1.3.0", + "resolved": "https://registry.npmjs.org/expect-type/-/expect-type-1.3.0.tgz", + "integrity": "sha512-knvyeauYhqjOYvQ66MznSMs83wmHrCycNEN6Ao+2AeYEfxUIkuiVxdEa1qlGEPK+We3n0THiDciYSsCcgW/DoA==", + "dev": true, + "license": "Apache-2.0", + "engines": { + "node": ">=12.0.0" + } + }, "node_modules/fdir": { "version": "6.5.0", "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz", @@ -2605,6 +2789,16 @@ "yallist": "^3.0.2" } }, + "node_modules/magic-string": { + "version": "0.30.21", + "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz", + "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==", + "dev": true, + "license": "MIT", + "dependencies": { + "@jridgewell/sourcemap-codec": "^1.5.5" + } + }, "node_modules/math-intrinsics": { "version": "1.1.0", "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz", @@ -2714,6 +2908,17 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/obug": { + "version": "2.1.1", + "resolved": "https://registry.npmjs.org/obug/-/obug-2.1.1.tgz", + "integrity": "sha512-uTqF9MuPraAQ+IsnPf366RG4cP9RtUi7MLO1N3KEc+wb0a6yKpeL0lmk2IB1jY5KHPAlTc6T/JRdC/YqxHNwkQ==", + "dev": true, + "funding": [ + "https://github.com/sponsors/sxzz", + "https://opencollective.com/debug" + ], + "license": "MIT" + }, "node_modules/on-finished": { "version": "2.4.1", "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz", @@ -2792,6 +2997,13 @@ "integrity": "sha512-Yhpw4T9C6hPpgPeA28us07OJeqZ5EzQTkbfwuhsUg0c237RomFoETJgmp2sa3F/41gfLE6G5cqcYwznmeEeOlQ==", "license": "MIT" }, + "node_modules/pathe": { + "version": "2.0.3", + "resolved": "https://registry.npmjs.org/pathe/-/pathe-2.0.3.tgz", + "integrity": "sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==", + "dev": true, + "license": "MIT" + }, "node_modules/picocolors": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz", @@ -3170,6 +3382,13 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/siginfo": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/siginfo/-/siginfo-2.0.0.tgz", + "integrity": "sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==", + "dev": true, + "license": "ISC" + }, "node_modules/socket.io": { "version": "4.8.3", "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.3.tgz", @@ -3236,6 +3455,13 @@ "node": ">=0.10.0" } }, + "node_modules/stackback": { + "version": "0.0.2", + "resolved": "https://registry.npmjs.org/stackback/-/stackback-0.0.2.tgz", + "integrity": "sha512-1XMJE5fQo1jGH6Y/7ebnwPOBEkIEnT4QF32d5R1+VXdXveM0IBMJt8zfaxX1P3QhVwrYe+576+jkANtSS2mBbw==", + "dev": true, + "license": "MIT" + }, "node_modules/statuses": { "version": "1.5.0", "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz", @@ -3245,6 +3471,13 @@ "node": ">= 0.6" } }, + "node_modules/std-env": { + "version": "3.10.0", + "resolved": "https://registry.npmjs.org/std-env/-/std-env-3.10.0.tgz", + "integrity": "sha512-5GS12FdOZNliM5mAOxFRg7Ir0pWz8MdpYm6AY6VPkGpbA7ZzmbzNcBJQ0GPvvyWgcY7QAhCgf9Uy89I03faLkg==", + "dev": true, + "license": "MIT" + }, "node_modules/svelte": { "version": "3.59.2", "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.59.2.tgz", @@ -3260,6 +3493,23 @@ "integrity": "sha512-XDUBTV/BNStd/9WJDndzxQ9KqhoNoZBxkOo1H1d29qKW+YxG6eRrt2Yp0Cv/6KLKDtFLhJ9huJpqpOSe4yMG0Q==", "license": "MIT" }, + "node_modules/tinybench": { + "version": "2.9.0", + "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz", + "integrity": "sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==", + "dev": true, + "license": "MIT" + }, + "node_modules/tinyexec": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.2.tgz", + "integrity": "sha512-W/KYk+NFhkmsYpuHq5JykngiOCnxeVL8v8dFnqxSD8qEEdRfXk1SDM6JzNqcERbcGYj9tMrDQBYV9cjgnunFIg==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=18" + } + }, "node_modules/tinyglobby": { "version": "0.2.15", "resolved": "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/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); + }); +});