feat: switch to vs code tests

.github/workflows/build.yml

@@ -28,4 +28,12 @@ jobs:
       - run: pnpm compile
       - run: pnpm typecheck
       - run: pnpm lint
+
+      # see: https://github.com/microsoft/vscode-test/blob/main/sample/azure-pipelines.yml
+      - run: |
+          /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+          echo ">>> Started xvfb"
+
       - run: pnpm test
+        env:
+          DISPLAY: ':99'

.vscode-test.mjs

@@ -0,0 +1,8 @@
+import { defineConfig } from '@vscode/test-cli'
+
+export default defineConfig({
+  files: 'dist/test/**/*.test.js',
+  mocha: {
+    ui: 'bdd',
+  },
+})

package.json

@@ -26,7 +26,7 @@
   "categories": [
     "Testing"
   ],
-  "main": "./dist/extension.js",
+  "main": "./dist/src/extension.js",
   "icon": "img/icon.png",
   "pricing": "Free",
   "engines": {
@@ -123,9 +123,10 @@
   "scripts": {
     "vscode:prepublish": "pnpm compile",
     "release": "bumpp package.json --commit --push --tag && git update-ref refs/heads/release refs/heads/main && git push origin release",
-    "compile": "tsup ./src/extension.ts --external vscode --minify",
-    "watch": "tsup ./src/extension.ts --external vscode --watch --sourcemap",
-    "test": "vitest run --config vite.global-config.ts",
+    "compile": "tsup ./src/extension.ts test/**.test.ts --external vscode --minify",
+    "watch": "tsup ./src/extension.ts test/**.test.ts --external vscode --watch --sourcemap",
+    "test": "vscode-test",
+    "test:watch": "vscode-test --watch-files dist/**/*.js",
     "typecheck": "tsc --noEmit",
     "lint": "eslint --cache .",
     "lint:fix": "eslint --cache --fix ."
@@ -143,9 +144,12 @@
     "@types/vscode": "^1.77.0",
     "@types/ws": "^8.5.10",
     "@vitest/ws-client": "^1.3.0",
+    "@vscode/test-cli": "^0.0.6",
+    "@vscode/test-electron": "^2.3.9",
     "@vue/reactivity": "^3.2.33",
     "birpc": "^0.2.15",
     "bumpp": "^9.3.0",
+    "chai": "^5.1.0",
     "changelogithub": "^0.13.3",
     "eslint": "^8.56.0",
     "fast-glob": "^3.3.2",
@@ -156,12 +160,13 @@
     "glob": "^7.2.0",
     "micromatch": "^4.0.5",
     "mighty-promise": "^0.0.8",
+    "mocha": "^10.3.0",
     "pathe": "^1.1.2",
     "semver": "^7.3.5",
     "tree-kill": "^1.2.2",
     "tsup": "^8.0.1",
     "typescript": "^5.3.3",
-    "vitest": "^1.3.0",
+    "vitest": "^1.3.1",
     "ws": "^8.16.0"
   },
   "lint-staged": {