diff --git a/src/sessions/sessions.controller.spec.ts b/src/sessions/sessions.controller.spec.ts
index a2d145e2..c0eed2b5 100644
--- a/src/sessions/sessions.controller.spec.ts
+++ b/src/sessions/sessions.controller.spec.ts
@@ -1,11 +1,12 @@
+import { JwtService } from '@nestjs/jwt';
 import { Test, TestingModule } from '@nestjs/testing';
+import { PrismaService } from 'src/prisma/prisma.service';
 import { SessionsController } from './sessions.controller';
 import { SessionsService } from './sessions.service';
-import { PrismaService } from 'src/prisma/prisma.service';
-import { JwtService } from '@nestjs/jwt';
 
 describe('SessionsController', () => {
   let controller: SessionsController;
+  let service: SessionsService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
@@ -17,12 +18,83 @@ describe('SessionsController', () => {
           return {};
         }
       })
+      .overrideProvider(SessionsService)
+      .useValue({
+        login: jest.fn().mockResolvedValue('token'),
+        show: jest.fn().mockResolvedValue('token'),
+        delete: jest.fn().mockResolvedValue('token'),
+      })
       .compile();
 
+    module.useLogger({
+      log: jest.fn(),
+      error: jest.fn(),
+      warn: jest.fn(),
+      verbose: jest.fn(),
+    });
     controller = module.get<SessionsController>(SessionsController);
+    service = module.get<SessionsService>(SessionsService);
+  });
+
+  it('should return a token', async () => {
+    const expectedResponse = {
+      statusCode: 200,
+      message: 'Successfully logged in',
+      respData: 'token',
+    };
+    const res = await controller.login(
+      {
+        email: 'test@test.com',
+        password: 'password',
+      },
+      '127.0.0.1',
+      'user-agent',
+    );
+    expect(res).toEqual(expectedResponse);
+  });
+
+  it('should throw an error when login', async () => {
+    jest.spyOn(service, 'login').mockRejectedValue(new Error('Error'));
+    await expect(
+      controller.login(
+        {
+          email: 'test@test.com',
+          password: 'password',
+        },
+        '127.0.0.1',
+        'user-agent',
+      ),
+    ).rejects.toThrow();
+  });
+
+  it('should show a session', async () => {
+    const expectedResponse = {
+      statusCode: 200,
+      message: 'Successfully logged in',
+      respData: 'token',
+    };
+    const res = await controller.show({ user: { userId: 1 } });
+    expect(res).toEqual(expectedResponse);
+  });
+
+  it('should throw an error when show an user', async () => {
+    jest.spyOn(service, 'show').mockRejectedValue(new Error('Error'));
+    await expect(controller.show({ user: { userId: 1 } })).rejects.toThrow();
+  });
+
+  it('should delete a session', async () => {
+    const expectedResponse = {
+      statusCode: 200,
+      message: 'Successfully logged out',
+      respData: 'token',
+    };
+
+    const res = await controller.delete({ user: { userId: 1 } });
+    expect(res).toEqual(expectedResponse);
   });
 
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
+  it('should throw an error when delete a session', async () => {
+    jest.spyOn(service, 'delete').mockRejectedValue(new Error('Error'));
+    await expect(controller.delete({ user: { userId: 1 } })).rejects.toThrow();
   });
 });
diff --git a/src/sessions/sessions.service.spec.ts b/src/sessions/sessions.service.spec.ts
index 4115d43b..de806794 100644
--- a/src/sessions/sessions.service.spec.ts
+++ b/src/sessions/sessions.service.spec.ts
@@ -1,26 +1,205 @@
 import { Test, TestingModule } from '@nestjs/testing';
-import { SessionsService } from './sessions.service';
 import { JwtService } from '@nestjs/jwt';
-import { PrismaService } from 'src/prisma/prisma.service';
+import * as bcrypt from 'bcrypt';
+import { PrismaService } from '../prisma/prisma.service';
+import { SessionsService } from './sessions.service';
 
+jest.mock('bcrypt');
 describe('SessionsService', () => {
   let service: SessionsService;
+  let prismaService: PrismaService;
+  let jwtService: JwtService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [SessionsService, JwtService],
-    })
-      .useMocker((token) => {
-        if (token === PrismaService) {
-          return {};
-        }
-      })
-      .compile();
+      providers: [
+        SessionsService,
+        {
+          provide: PrismaService,
+          useValue: {
+            user: {
+              findUnique: jest.fn(),
+            },
+            session: {
+              updateMany: jest.fn(),
+              create: jest.fn(),
+              update: jest.fn(),
+            },
+          },
+        },
+        {
+          provide: JwtService,
+          useValue: {
+            sign: jest.fn(),
+          },
+        },
+      ],
+    }).compile();
 
     service = module.get<SessionsService>(SessionsService);
+    prismaService = module.get<PrismaService>(PrismaService);
+    jwtService = module.get<JwtService>(JwtService);
+  });
+
+  describe('login', () => {
+    it('should throw an error if user is not found', async () => {
+      (prismaService.user.findUnique as jest.Mock).mockResolvedValue(null);
+
+      await expect(
+        service.login({
+          login: 'test',
+          password: 'password',
+          ip: '127.0.0.1',
+          userAgent: 'test',
+        }),
+      ).rejects.toThrow('Usuário não encontrado');
+    });
+
+    it('should throw an error if password is incorrect', async () => {
+      const user = { id: 1, login: 'test', password: 'hashedpassword' };
+      (prismaService.user.findUnique as jest.Mock).mockResolvedValue(user);
+      (bcrypt.compare as jest.Mock).mockResolvedValue(false);
+
+      await expect(
+        service.login({
+          login: 'test',
+          password: 'wrongpassword',
+          ip: '127.0.0.1',
+          userAgent: 'test',
+        }),
+      ).rejects.toThrow('Senha incorreta');
+    });
+
+    it('should return a token if login is successful', async () => {
+      const user = { id: 1, login: 'test', password: 'hashedpassword' };
+      const session = { id: 1, userId: 1 };
+      const token = 'token';
+      (prismaService.user.findUnique as jest.Mock).mockResolvedValue(user);
+      (bcrypt.compare as jest.Mock).mockResolvedValue(true);
+      (prismaService.session.updateMany as jest.Mock).mockResolvedValue({});
+      (prismaService.session.create as jest.Mock).mockResolvedValue(session);
+      (jwtService.sign as jest.Mock).mockReturnValue(token);
+
+      const result = await service.login({
+        login: 'test',
+        password: 'password',
+        ip: '127.0.0.1',
+        userAgent: 'test',
+      });
+
+      expect(result).toEqual({ token });
+      expect(prismaService.user.findUnique).toHaveBeenCalledWith({
+        where: { login: 'test' },
+      });
+      expect(bcrypt.compare).toHaveBeenCalledWith('password', 'hashedpassword');
+      expect(prismaService.session.updateMany).toHaveBeenCalledWith({
+        where: { user: { login: 'test' }, active: true },
+        data: { active: false, updatedAt: expect.any(String) },
+      });
+      expect(prismaService.session.create).toHaveBeenCalledWith({
+        data: {
+          userId: user.id,
+          ip: '127.0.0.1',
+          userAgent: 'test',
+          createdAt: expect.any(String),
+        },
+      });
+      expect(jwtService.sign).toHaveBeenCalledWith({
+        sessionId: session.id,
+        userId: user.id,
+      });
+    });
+  });
+
+  describe('show', () => {
+    it('should return user data if user is found', async () => {
+      const user = {
+        id: '1',
+        name: 'Test User',
+        login: 'test',
+        phone: '123456789',
+        accessLevel: 'admin',
+        createdAt: new Date(),
+      };
+      (prismaService.user.findUnique as jest.Mock).mockResolvedValue(user);
+
+      const result = await service.show('1');
+
+      expect(result).toEqual(user);
+      expect(prismaService.user.findUnique).toHaveBeenCalledWith({
+        where: { id: '1' },
+        select: {
+          id: true,
+          name: true,
+          login: true,
+          phone: true,
+          accessLevel: true,
+          createdAt: true,
+        },
+      });
+    });
+
+    it('should return null if user is not found', async () => {
+      (prismaService.user.findUnique as jest.Mock).mockResolvedValue(null);
+
+      const result = await service.show('1');
+
+      expect(result).toBeNull();
+      expect(prismaService.user.findUnique).toHaveBeenCalledWith({
+        where: { id: '1' },
+        select: {
+          id: true,
+          name: true,
+          login: true,
+          phone: true,
+          accessLevel: true,
+          createdAt: true,
+        },
+      });
+    });
   });
 
-  it('should be defined', () => {
-    expect(service).toBeDefined();
+  describe('delete', () => {
+    it('should deactivate session if session and user match', async () => {
+      const session = {
+        id: '1',
+        userId: '1',
+        updatedAt: new Date(),
+        active: false,
+      };
+      (prismaService.session.update as jest.Mock).mockResolvedValue(session);
+
+      const result = await service.delete({ sessionId: '1', userId: '1' });
+
+      expect(result).toEqual(session);
+      expect(prismaService.session.update).toHaveBeenCalledWith({
+        where: {
+          id: '1',
+          userId: '1',
+        },
+        data: {
+          updatedAt: expect.any(String),
+          active: false,
+        },
+      });
+    });
+
+    it('should return null if session does not exist', async () => {
+      (prismaService.session.update as jest.Mock).mockResolvedValue(null);
+
+      const result = await service.delete({ sessionId: '1', userId: '1' });
+
+      expect(result).toBeNull();
+      expect(prismaService.session.update).toHaveBeenCalledWith({
+        where: {
+          id: '1',
+          userId: '1',
+        },
+        data: {
+          updatedAt: expect.any(String),
+          active: false,
+        },
+      });
+    });
   });
 });