diff --git a/packages/hoppscotch-backend/.env.example b/packages/hoppscotch-backend/.env.example
index 2423391b0..78700ecaf 100644
--- a/packages/hoppscotch-backend/.env.example
+++ b/packages/hoppscotch-backend/.env.example
@@ -7,12 +7,13 @@ POSTMARK_SENDER_EMAIL=************************************************"
 
 # Auth Tokens Config
 JWT_SECRET='add some secret here'
-REFRESH_TOKEN_VALIDITY="168h" # Default validity is 7 days
-ACCESS_TOKEN_VALIDITY="30s" # Default validity is 1 day
+REFRESH_TOKEN_VALIDITY="604800000" # Default validity is 7 days
+ACCESS_TOKEN_VALIDITY="120000" # Default validity is 1 day
 
 # Hoppscotch App Domain Config
 APP_DOMAIN="************************************************""
 REDIRECT_URL="************************************************""
+WHITELISTED_ORIGINS ="************************************************"
 
 # Google Auth Config
 GOOGLE_CLIENT_ID="************************************************"
@@ -24,3 +25,9 @@ GOOGLE_SCOPE= ['email', 'profile'],
 GITHUB_CLIENT_ID="************************************************"
 GITHUB_CLIENT_SECRET="************************************************"
 GITHUB_CALLBACK_URL="************************************************"
+
+# Microsoft Auth Config
+MICROSOFT_CLIENT_ID="************************************************"
+MICROSOFT_CLIENT_SECRET="************************************************"
+MICROSOFT_CALLBACK_URL="************************************************"
+MICROSOFT_SCOPE="user.read"
diff --git a/packages/hoppscotch-backend/src/auth/auth.service.spec.ts b/packages/hoppscotch-backend/src/auth/auth.service.spec.ts
index 800ab6626..3a396b674 100644
--- a/packages/hoppscotch-backend/src/auth/auth.service.spec.ts
+++ b/packages/hoppscotch-backend/src/auth/auth.service.spec.ts
@@ -1,18 +1,35 @@
-import { Test, TestingModule } from '@nestjs/testing';
+import { JwtService } from '@nestjs/jwt';
+import { mockDeep } from 'jest-mock-extended';
+import { MailerService } from 'src/mailer/mailer.service';
+import { PrismaService } from 'src/prisma/prisma.service';
+import { AuthUser } from 'src/types/AuthUser';
+import { UserService } from 'src/user/user.service';
 import { AuthService } from './auth.service';
 
-describe('AuthService', () => {
-  let service: AuthService;
+const mockPrisma = mockDeep<PrismaService>();
+const mockUser = mockDeep<UserService>();
+const mockJWT = mockDeep<JwtService>();
+const mockMailer = mockDeep<MailerService>();
 
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      providers: [AuthService],
-    }).compile();
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore
+const authService = new AuthService(mockUser, mockPrisma, mockJWT, mockMailer);
 
-    service = module.get<AuthService>(AuthService);
-  });
+const currentTime = new Date();
 
-  it('should be defined', () => {
-    expect(service).toBeDefined();
-  });
+const user: AuthUser = {
+  uid: '123344',
+  email: 'dwight@dundermifflin.com',
+  displayName: 'Dwight Schrute',
+  photoURL: 'https://en.wikipedia.org/wiki/Dwight_Schrute',
+  isAdmin: false,
+  refreshToken: 'hbfvdkhjbvkdvdfjvbnkhjb',
+  createdOn: currentTime,
+};
+
+describe('signIn', () => {
+  // should throw error if email is not in valid format
+  // should successfully create a new user account and return the passwordless details
+  // should successfully return the passwordless details for a existing user account
+  
 });