add default tools stdio test

Author: MQ37

package.json

@@ -66,7 +66,9 @@
     "build:watch": "tsc -b src -w",
     "type-check": "tsc --noEmit",
     "inspector": "npm run build && npx @modelcontextprotocol/inspector dist/stdio.js",
-    "test": "vitest run",
+    "test": "npm run build && vitest run",
+    "test:unit": "vitest run tests/unit",
+    "test:integration": "npm run build && vitest run tests/integration",
     "clean": "tsc -b src --clean"
   },
   "author": "Apify",

tests/actor-server-test.ts renamed to tests/integration/actor-server-test.ts

@@ -5,11 +5,11 @@ import { afterEach, beforeEach, describe, expect, it } from 'vitest';
 
 import log from '@apify/log';
 
-import { createExpressApp } from '../src/actor/server.js';
-import { HelperTools } from '../src/const.js';
-import { ActorsMcpServer } from '../src/mcp/server.js';
+import { createExpressApp } from '../../src/actor/server.js';
+import { HelperTools } from '../../src/const.js';
+import { ActorsMcpServer } from '../../src/mcp/server.js';
 
-describe('ApifyMcpServer initialization', () => {
+describe('Actors MCP Server', () => {
     let app: Express;
     let server: ActorsMcpServer;
     let httpServer: HttpServer;

tests/integration/stdio.ts

@@ -0,0 +1,59 @@
+import { Client } from '@modelcontextprotocol/sdk/client/index.js';
+import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+
+async function createMCPClient(
+    options?: {
+        actors: string[];
+        enableAddingActors: boolean;
+    },
+): Promise<Client> {
+    if (!process.env.APIFY_TOKEN) {
+        throw new Error('APIFY_TOKEN environment variable is not set.');
+    }
+    const { actors, enableAddingActors } = options || {};
+    const args = ['dist/stdio.js'];
+    if (actors) {
+        args.push('--actors', actors.join(','));
+    }
+    if (enableAddingActors) {
+        args.push('--enable-adding-actors');
+    }
+    const transport = new StdioClientTransport({
+        command: 'node',
+        args,
+        env: {
+            APIFY_TOKEN: process.env.APIFY_TOKEN as string,
+        },
+    });
+    const client = new Client({
+        name: 'stdio-client',
+        version: '1.0.0',
+    });
+    await client.connect(transport);
+
+    return client;
+}
+
+describe('MCP STDIO', () => {
+    let client: Client;
+    beforeEach(async () => {
+        client = await createMCPClient();
+    });
+
+    afterEach(async () => {
+        await client.close();
+    });
+
+    it('list default tools', async () => {
+        const tools = await client.listTools();
+        const names = tools.tools.map((tool) => tool.name);
+
+        expect(names.length).toEqual(5);
+        expect(names).toContain('search-actors');
+        expect(names).toContain('get-actor-details');
+        expect(names).toContain('apify-slash-rag-web-browser');
+        expect(names).toContain('apify-slash-instagram-scraper');
+        expect(names).toContain('lukaskrivka-slash-google-maps-with-contact-details');
+    });
+});

tests/actor-test.ts renamed to tests/unit/actor-test.ts

@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest';
 
-import { ACTOR_ENUM_MAX_LENGTH } from '../src/const.js';
-import { actorNameToToolName, inferArrayItemType, shortenEnum } from '../src/tools/utils.js';
+import { ACTOR_ENUM_MAX_LENGTH } from '../../src/const.js';
+import { actorNameToToolName, inferArrayItemType, shortenEnum } from '../../src/tools/utils.js';
 
 describe('actors', () => {
     describe('actorNameToToolName', () => {

tests/actor-utils-test.ts renamed to tests/unit/actor-utils-test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest';
 
-import { parseInputParamsFromUrl } from '../src/mcp/utils.js';
+import { parseInputParamsFromUrl } from '../../src/mcp/utils.js';
 
 describe('parseInputParamsFromUrl', () => {
     it('should parse actors from URL query params', () => {

tests/input.test.ts renamed to tests/unit/input.test.ts

@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest';
 
-import { processInput } from '../src/input.js';
-import type { Input } from '../src/types.js';
+import { processInput } from '../../src/input.js';
+import type { Input } from '../../src/types.js';
 
 describe('processInput', () => {
     it('should handle string actors input and convert to array', async () => {