diff --git a/backend/src/routes/auth/auth.controller.spec.ts b/backend/src/routes/auth/auth.controller.spec.ts
index 27a31e6..e1b11aa 100644
--- a/backend/src/routes/auth/auth.controller.spec.ts
+++ b/backend/src/routes/auth/auth.controller.spec.ts
@@ -1,12 +1,24 @@
+import { BadRequestException } from '@nestjs/common';
 import { Test, TestingModule } from '@nestjs/testing';
 import { AuthController } from './auth.controller';
+import { AuthService } from './auth.service';
+import { UserService } from '../user/user.service';
 
 describe('AuthController', () => {
   let controller: AuthController;
+  const authServiceMock = {
+    verifyCreatePasswordToken: jest.fn(),
+    createPasswordWithToken: jest.fn(),
+  };
 
   beforeEach(async () => {
+    jest.clearAllMocks();
     const module: TestingModule = await Test.createTestingModule({
       controllers: [AuthController],
+      providers: [
+        { provide: AuthService, useValue: authServiceMock },
+        { provide: UserService, useValue: {} },
+      ],
     }).compile();
 
     controller = module.get<AuthController>(AuthController);
@@ -15,4 +27,47 @@ describe('AuthController', () => {
   it('should be defined', () => {
     expect(controller).toBeDefined();
   });
+
+  it('forwards token verification to auth service', async () => {
+    authServiceMock.verifyCreatePasswordToken.mockResolvedValue({
+      valid: true,
+      message: 'Token valide',
+    });
+
+    await expect(controller.verifyCreatePasswordToken('tok-123')).resolves.toEqual({
+      valid: true,
+      message: 'Token valide',
+    });
+    expect(authServiceMock.verifyCreatePasswordToken).toHaveBeenCalledWith('tok-123');
+  });
+
+  it('rejects create-password when confirmation mismatches', async () => {
+    await expect(
+      controller.createPassword({
+        token: 'tok-123',
+        password: 'Password1',
+        password_confirmation: 'Password2',
+      }),
+    ).rejects.toThrow(BadRequestException);
+    expect(authServiceMock.createPasswordWithToken).not.toHaveBeenCalled();
+  });
+
+  it('calls auth service when create-password payload is valid', async () => {
+    authServiceMock.createPasswordWithToken.mockResolvedValue({
+      message: 'Mot de passe créé avec succès. Vous pouvez maintenant vous connecter.',
+      userId: 'user-1',
+    });
+
+    await expect(
+      controller.createPassword({
+        token: 'tok-123',
+        password: 'Password1',
+        password_confirmation: 'Password1',
+      }),
+    ).resolves.toEqual({
+      message: 'Mot de passe créé avec succès. Vous pouvez maintenant vous connecter.',
+      userId: 'user-1',
+    });
+    expect(authServiceMock.createPasswordWithToken).toHaveBeenCalledWith('tok-123', 'Password1');
+  });
 });
diff --git a/backend/src/routes/auth/auth.service.spec.ts b/backend/src/routes/auth/auth.service.spec.ts
index 800ab66..03812b4 100644
--- a/backend/src/routes/auth/auth.service.spec.ts
+++ b/backend/src/routes/auth/auth.service.spec.ts
@@ -1,12 +1,41 @@
+import { NotFoundException } from '@nestjs/common';
 import { Test, TestingModule } from '@nestjs/testing';
+import { JwtService } from '@nestjs/jwt';
+import { getRepositoryToken } from '@nestjs/typeorm';
+import { ConfigService } from '@nestjs/config';
 import { AuthService } from './auth.service';
+import { UserService } from '../user/user.service';
+import { AppConfigService } from 'src/modules/config/config.service';
+import { MailService } from 'src/modules/mail/mail.service';
+import { NumeroDossierService } from 'src/modules/numero-dossier/numero-dossier.service';
+import { Parents } from 'src/entities/parents.entity';
+import { Users } from 'src/entities/users.entity';
+import { Children } from 'src/entities/children.entity';
+import { AssistanteMaternelle } from 'src/entities/assistantes_maternelles.entity';
 
-describe('AuthService', () => {
+describe('AuthService (#118 create-password API)', () => {
   let service: AuthService;
+  const usersRepoMock = {
+    findOne: jest.fn(),
+    createQueryBuilder: jest.fn(),
+  };
 
   beforeEach(async () => {
+    jest.clearAllMocks();
     const module: TestingModule = await Test.createTestingModule({
-      providers: [AuthService],
+      providers: [
+        AuthService,
+        { provide: UserService, useValue: {} },
+        { provide: JwtService, useValue: {} },
+        { provide: ConfigService, useValue: { get: jest.fn() } },
+        { provide: AppConfigService, useValue: {} },
+        { provide: MailService, useValue: {} },
+        { provide: NumeroDossierService, useValue: {} },
+        { provide: getRepositoryToken(Parents), useValue: {} },
+        { provide: getRepositoryToken(Users), useValue: usersRepoMock },
+        { provide: getRepositoryToken(Children), useValue: {} },
+        { provide: getRepositoryToken(AssistanteMaternelle), useValue: {} },
+      ],
     }).compile();
 
     service = module.get<AuthService>(AuthService);
@@ -15,4 +44,21 @@ describe('AuthService', () => {
   it('should be defined', () => {
     expect(service).toBeDefined();
   });
+
+  it('returns 404-like error when verify token is missing', async () => {
+    await expect(service.verifyCreatePasswordToken('')).rejects.toThrow(NotFoundException);
+  });
+
+  it('returns valid=true when token exists and is not expired', async () => {
+    usersRepoMock.findOne.mockResolvedValue({
+      id: 'u1',
+      password: null,
+      token_creation_mdp_expire_le: new Date(Date.now() + 60_000),
+    });
+
+    await expect(service.verifyCreatePasswordToken('tok-123')).resolves.toEqual({
+      valid: true,
+      message: 'Token valide',
+    });
+  });
 });