chore(tests): switch to vitest (#363)

Author: gagik

.github/workflows/code_health.yaml

@@ -54,7 +54,7 @@ jobs:
           MDB_MCP_API_CLIENT_ID: ${{ secrets.TEST_ATLAS_CLIENT_ID }}
           MDB_MCP_API_CLIENT_SECRET: ${{ secrets.TEST_ATLAS_CLIENT_SECRET }}
           MDB_MCP_API_BASE_URL: ${{ vars.TEST_ATLAS_BASE_URL }}
-        run: npm test -- --testPathIgnorePatterns "tests/unit" --testPathIgnorePatterns "tests/integration/tools/mongodb" --testPathIgnorePatterns "tests/integration/[^/]+\.ts"
+        run: npm test -- --exclude "tests/unit/**" --exclude "tests/integration/tools/mongodb/**" --exclude "tests/integration/*.ts"
       - name: Upload test results
         uses: actions/upload-artifact@v4
         if: always()

.vscode/extensions.json

@@ -3,7 +3,7 @@
   // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
 
   // List of extensions which should be recommended for users of this workspace.
-  "recommendations": ["firsttris.vscode-jest-runner", "orta.vscode-jest"],
+  "recommendations": ["vitest.explorer"],
   // List of extensions recommended by VS Code that should not be recommended for users of this workspace.
   "unwantedRecommendations": []
 }

.vscode/settings.json

@@ -1,11 +1 @@
-{
-  "jestrunner.jestCommand": "npm test --",
-  "jestrunner.debugOptions": {
-    "runtimeExecutable": "node",
-    "runtimeArgs": [
-      "--experimental-vm-modules",
-      "node_modules/jest/bin/jest.js",
-      "--coverage"
-    ]
-  }
-}
+{}

eslint.config.js

@@ -3,7 +3,7 @@ import js from "@eslint/js";
 import globals from "globals";
 import tseslint from "typescript-eslint";
 import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
-import jestPlugin from "eslint-plugin-jest";
+import vitestPlugin from "eslint-plugin-vitest";
 
 const testFiles = ["tests/**/*.test.ts", "tests/**/*.ts"];
 
@@ -15,14 +15,23 @@ export default defineConfig([
     {
         files: testFiles,
         plugins: {
-            jest: jestPlugin,
+            vitest: vitestPlugin,
         },
         languageOptions: {
             globals: {
                 ...globals.node,
-                ...jestPlugin.environments.globals.globals,
             },
         },
+        rules: {
+            ...vitestPlugin.configs.recommended.rules,
+            "vitest/valid-title": "off",
+            "vitest/expect-expect": [
+                "error",
+                {
+                    assertFunctionNames: ["expect", "expectDefined", "verifyMockCalls"],
+                },
+            ],
+        },
     },
     tseslint.configs.recommendedTypeChecked,
     {
@@ -48,7 +57,7 @@ export default defineConfig([
         "coverage",
         "global.d.ts",
         "eslint.config.js",
-        "jest.config.cjs",
+        "vitest.config.ts",
         "src/types/*.d.ts",
     ]),
     eslintPluginPrettierRecommended,