diff --git a/apps/bot/package.json b/apps/bot/package.json
index f4ffe0c..4bdbf71 100644
--- a/apps/bot/package.json
+++ b/apps/bot/package.json
@@ -16,7 +16,8 @@
     "start": "node dist/src/index.js",
     "dev": "dotenv -e ../../.env.local tsx watch src/index.ts",
     "lint": "eslint",
-    "lint-staged": "lint-staged"
+    "lint-staged": "lint-staged",
+    "test:unit": "vitest"
   },
   "devDependencies": {
     "@repo/eslint-config": "workspace:*",
@@ -29,6 +30,8 @@
     "lint-staged": "catalog:",
     "rimraf": "catalog:",
     "tsx": "catalog:",
-    "typescript": "catalog:"
+    "typescript": "catalog:",
+    "vite-tsconfig-paths": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/apps/bot/src/api/query.ts b/apps/bot/src/api/query.ts
index 88e60c5..19f0241 100644
--- a/apps/bot/src/api/query.ts
+++ b/apps/bot/src/api/query.ts
@@ -1,4 +1,5 @@
-import { getClientWithToken } from '../apollo/client';
+import { createApolloClient, getClientWithToken } from '../apollo/client';
+import { env as environment } from '../config/env';
 import * as GQL from '@repo/graphql/types';
 
 export async function createCustomer(variables: GQL.CreateCustomerMutationVariables) {
@@ -18,3 +19,17 @@ export async function getCustomer(variables: GQL.GetCustomerQueryVariables) {
     variables,
   });
 }
+
+export async function login() {
+  const { mutate } = createApolloClient();
+
+  const response = await mutate({
+    mutation: GQL.LoginDocument,
+    variables: {
+      identifier: environment.LOGIN_GRAPHQL,
+      password: environment.PASSWORD_GRAPHQL,
+    },
+  });
+
+  return response;
+}
diff --git a/apps/bot/src/apollo/client.ts b/apps/bot/src/apollo/client.ts
index e583e75..7ee265f 100644
--- a/apps/bot/src/apollo/client.ts
+++ b/apps/bot/src/apollo/client.ts
@@ -1,5 +1,5 @@
 import { env as environment } from '../config/env';
-import { getToken } from '../utils/jwt';
+import { getToken } from '../config/token';
 import { ApolloClient, InMemoryCache } from '@apollo/client/core';
 
 type Parameters_ = { token: null | string | undefined };
diff --git a/apps/bot/src/config/token.ts b/apps/bot/src/config/token.ts
new file mode 100644
index 0000000..eb29fa1
--- /dev/null
+++ b/apps/bot/src/config/token.ts
@@ -0,0 +1,13 @@
+import { login } from '../api/query';
+import { isTokenExpired } from '../utils/jwt';
+
+export const token: null | string = null;
+
+export async function getToken() {
+  if (!token || isTokenExpired(token)) {
+    const response = await login();
+    return response?.data?.login.jwt;
+  }
+
+  return token;
+}
diff --git a/apps/bot/src/utils/jwt.test.ts b/apps/bot/src/utils/jwt.test.ts
new file mode 100644
index 0000000..77fbbe4
--- /dev/null
+++ b/apps/bot/src/utils/jwt.test.ts
@@ -0,0 +1,61 @@
+/* eslint-disable unicorn/consistent-function-scoping */
+import { isTokenExpired } from './jwt';
+import * as jwt from 'jsonwebtoken';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
+describe('isTokenExpired', () => {
+  const mockDateNow = (timestamp: number) => {
+    vi.spyOn(Date, 'now').mockReturnValue(timestamp);
+  };
+
+  afterEach(() => {
+    vi.restoreAllMocks(); // Сбрасываем все моки после каждого теста
+  });
+
+  it('should return true if the token is expired', () => {
+    const token = jwt.sign({}, 'secret', { expiresIn: -10 }); // Токен с истекшим временем
+    mockDateNow(Date.now());
+
+    const result = isTokenExpired(token);
+    expect(result).toBe(true);
+  });
+
+  it('should return false if the token is not expired', () => {
+    const token = jwt.sign({}, 'secret', { expiresIn: 3_600 }); // Токен с временем жизни 1 час
+    mockDateNow(Date.now());
+
+    const result = isTokenExpired(token);
+    expect(result).toBe(false);
+  });
+
+  it('should return true if the token will expire within the threshold', () => {
+    const threshold = 300; // 5 минут
+    const token = jwt.sign({}, 'secret', { expiresIn: threshold - 10 }); // Токен с временем жизни чуть меньше порога
+    mockDateNow(Date.now());
+
+    const result = isTokenExpired(token, threshold);
+    expect(result).toBe(true);
+  });
+
+  it('should return false if the token will expire outside the threshold', () => {
+    const threshold = 300; // 5 минут
+    const token = jwt.sign({}, 'secret', { expiresIn: threshold + 100 }); // Токен с временем жизни больше порога
+    mockDateNow(Date.now());
+
+    const result = isTokenExpired(token, threshold);
+    expect(result).toBe(false);
+  });
+
+  it('should return true if the token is invalid', () => {
+    const invalidToken = 'invalid.token.string';
+
+    const result = isTokenExpired(invalidToken);
+    expect(result).toBe(true);
+  });
+
+  it("should throw an error if the token doesn't have an exp field", () => {
+    const token = jwt.sign({ data: 'no exp' }, 'secret', { noTimestamp: true }); // Токен без exp
+    const result = isTokenExpired(token);
+    expect(result).toBe(true); // Ожидается, что вернётся true
+  });
+});
diff --git a/apps/bot/src/utils/jwt.ts b/apps/bot/src/utils/jwt.ts
index f5d784c..72c6add 100644
--- a/apps/bot/src/utils/jwt.ts
+++ b/apps/bot/src/utils/jwt.ts
@@ -1,22 +1,6 @@
-import { createApolloClient } from '../apollo/client';
-import { env as environment } from '../config/env';
-import * as GQL from '@repo/graphql/types';
 import * as jwt from 'jsonwebtoken';
 
-const token: null | string = null;
-
-export async function getToken() {
-  if (!token || isTokenExpired()) {
-    const response = await login();
-    return response?.data?.login.jwt;
-  }
-
-  return token;
-}
-
-function isTokenExpired(threshold: number = 300) {
-  if (!token) throw new Error('Token is missing');
-
+export function isTokenExpired(token: string, threshold: number = 300) {
   try {
     const decoded = jwt.decode(token);
 
@@ -32,17 +16,3 @@ function isTokenExpired(threshold: number = 300) {
     return true;
   }
 }
-
-async function login() {
-  const { mutate } = createApolloClient();
-
-  const response = await mutate({
-    mutation: GQL.LoginDocument,
-    variables: {
-      identifier: environment.LOGIN_GRAPHQL,
-      password: environment.PASSWORD_GRAPHQL,
-    },
-  });
-
-  return response;
-}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0e23d32..8e9f200 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -213,6 +213,12 @@ importers:
       typescript:
         specifier: 'catalog:'
         version: 5.7.2
+      vite-tsconfig-paths:
+        specifier: 'catalog:'
+        version: 5.1.4(typescript@5.7.2)(vite@5.4.11(@types/node@20.17.8))
+      vitest:
+        specifier: 'catalog:'
+        version: 2.1.8(@types/node@20.17.8)(jsdom@25.0.1)
 
   apps/web:
     dependencies: