diff --git a/__tests__/api.test.js b/__tests__/api.test.js
index b81c2ad..729a3b5 100644
--- a/__tests__/api.test.js
+++ b/__tests__/api.test.js
@@ -1,4 +1,20 @@
 const request = require('supertest');
+
+jest.mock('passport', () => {
+    return {
+        use: jest.fn(),
+        initialize: () => (req, res, next) => next(),
+        session: () => (req, res, next) => {
+            req.isAuthenticated = () => true;
+            req.user = { id: 1 };
+            next();
+        },
+        serializeUser: jest.fn(),
+        deserializeUser: jest.fn(),
+        authenticate: jest.fn(() => (req, res, next) => next()),
+    };
+});
+
 const { app, pool } = require('../app');
 
 let server;
@@ -29,4 +45,4 @@ describe('API Tests', () => {
     expect(response.statusCode).toBe(200);
     expect(Array.isArray(response.body)).toBe(true);
   });
-});
\ No newline at end of file
+});
diff --git a/__tests__/search.test.js b/__tests__/search.test.js
new file mode 100644
index 0000000..9e6f161
--- /dev/null
+++ b/__tests__/search.test.js
@@ -0,0 +1,46 @@
+const request = require('supertest');
+
+jest.mock('passport', () => {
+    return {
+        use: jest.fn(),
+        initialize: () => (req, res, next) => next(),
+        session: () => (req, res, next) => {
+            req.isAuthenticated = () => true;
+            req.user = { id: 1 };
+            next();
+        },
+        serializeUser: jest.fn(),
+        deserializeUser: jest.fn(),
+        authenticate: jest.fn(() => (req, res, next) => next()),
+    };
+});
+
+const { app, pool } = require('../app');
+
+let server;
+
+beforeAll(done => {
+  server = app.listen(done);
+});
+
+afterAll(done => {
+  server.close(() => {
+    pool.end(done);
+  });
+});
+
+describe('GET /api/search', () => {
+    test('should return 400 when no name or id is provided', async () => {
+        const response = await request(app).get('/api/search');
+        expect(response.statusCode).toBe(400);
+        expect(response.body.error).toBe('Не указано имя или ID предмета.');
+    });
+});
+
+describe('GET /api/search with empty parameters', () => {
+    test('should return 400 when name and id are empty strings', async () => {
+        const response = await request(app).get('/api/search?name=&id=');
+        expect(response.statusCode).toBe(400);
+        expect(response.body.error).toBe('Не указано имя или ID предмета.');
+    });
+});