Start planning out acceptance testing

.github/workflows/ci.yml

@@ -35,3 +35,23 @@ jobs:
     - run: yarn update && git diff --exit-code
 
     - run: yarn test:coverage --runInBand
+
+  acceptance:
+    runs-on: ${{ matrix.os }}-latest
+
+    strategy:
+      matrix:
+        os: [ ubuntu, windows ]
+        node-version: [18.x, 20.x, 21.x]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'yarn'
+
+    - run: yarn install --frozen-lockfile --non-interactive
+    - run: yarn vitest

package.json

@@ -55,6 +55,7 @@
     "test": "jest",
     "test:coverage": "jest --coverage",
     "test:watch": "jest --watchAll",
+    "test:acceptance": "vitest --config ./tests/acceptance/vitest.config.mjs",
     "update": "node ./scripts/update-rules.js && node ./scripts/list-jquery-methods.js && npm-run-all update:eslint-docs",
     "update:eslint-docs": "eslint-doc-generator"
   },
@@ -71,7 +72,8 @@
       "**/tests/**/*.js"
     ],
     "testPathIgnorePatterns": [
-      "<rootDir>/tests/helpers/"
+      "<rootDir>/tests/helpers/",
+      "<rootDir>/tests/acceptance"
     ]
   },
   "dependencies": {
@@ -108,7 +110,10 @@
     "eslint-plugin-prettier": "^5.0.1",
     "eslint-plugin-unicorn": "^51.0.0",
     "eslint-remote-tester": "^3.0.1",
+    "execa": "^9.4.1",
+    "fixturify-project": "^7.1.2",
     "globals": "^14.0.0",
+    "globby": "^14.0.2",
     "jest": "^29.7.0",
     "jquery": "^3.7.1",
     "jsdom": "^24.0.0",
@@ -117,9 +122,13 @@
     "npm-run-all": "^4.1.5",
     "prettier": "^3.0.3",
     "release-it": "^17.0.0",
+    "scenario-tester": "^4.1.1",
     "sort-package-json": "^2.6.0",
+    "tmp-promise": "^3.0.3",
     "typescript": "^5.2.2",
-    "typescript-eslint": "^8.7.0"
+    "typescript-eslint": "^8.7.0",
+    "vite": "^5.4.9",
+    "vitest": "^2.1.3"
   },
   "peerDependencies": {
     "@typescript-eslint/parser": "*",

tests/acceptance/eslint.config.mjs

@@ -0,0 +1,19 @@
+import globals from 'globals';
+import n from 'eslint-plugin-n';
+import prettier from 'eslint-plugin-prettier/recommended';
+
+export default [
+  prettier,
+  n.configs['flat/recommended'],
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+    },
+    parserOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+    },
+  },
+];

tests/acceptance/fixtures/plain-gjs/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "fixture-plain-gjs",
+  "private": true,
+  "type": "module",
+  "devDependencies": {
+    "eslint": "^9.13.0"
+  }
+}