chore(test): add test

.github/workflows/ci.yml

@@ -18,3 +18,17 @@ jobs:
     - run: npm -v
     - run: npm ci
     - run: npm run lint
+
+test:
+
+  runs-on: ubuntu-latest
+
+  steps:
+  - uses: actions/checkout@v3
+  - uses: volta-cli/action@v4
+  - run: npm i
+  - run: npm link
+  - run: |
+      cd ./tests/fixtures/app
+      npm i
+  - run: npm test

package.json

@@ -8,7 +8,8 @@
   "description": "Updates Volta config in package.json so Node match's what your NW.js version uses",
   "scripts": {
     "lint": "eslint --ext .js --config=.eslintrc.cjs .eslintrc.cjs",
-    "fix": "eslint --fix --ext .js --config=.eslintrc.cjs .eslintrc.cjs"
+    "fix": "eslint --fix --ext .js --config=.eslintrc.cjs .eslintrc.cjs",
+    "test": "vitest run --pool=forks"
   },
   "devDependencies": {
     "@babel/eslint-parser": "^7.23.3",

tests/fixtures/app/package.json

@@ -0,0 +1,10 @@
+{
+    "name": "demo",
+    "private": true,
+    "scripts": {
+        "start": "base-volta-off-of-nwjs"
+    },
+    "devDependencies": {
+        "nw": "0.86.0-1"
+    }
+}

tests/specs/cli.test.js

@@ -0,0 +1,18 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import child_process from 'node:child_process';
+import process from 'node:process';
+
+import { test, expect } from 'vitest';
+
+test('cli works', async function () {
+    process.chdir('tests/fixtures/app');
+    child_process.execSync('npm start');
+
+    const NodeManifestPath = path.resolve('package.json');
+    const NodeManifestBuffer = await fs.promises.readFile(NodeManifestPath);
+    const NodeManifest = JSON.parse(NodeManifestBuffer.toString());
+    const NodeVersion = NodeManifest.volta.node;
+
+    expect(NodeVersion).toBe('21.1.0');
+});