diff --git a/src/lib/actions/alunos.test.ts b/src/lib/actions/alunos.test.ts
new file mode 100644
index 0000000..4ab5f05
--- /dev/null
+++ b/src/lib/actions/alunos.test.ts
@@ -0,0 +1,145 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { createAlunoAction, updateAlunoAction, deleteAlunoAction } from './alunos';
+import { prisma } from '@/lib/prisma';
+import { getUser } from '@/utils/supabase/server';
+import { revalidatePath } from 'next/cache';
+
+// Mocking dependencies
+vi.mock('@/lib/prisma', () => ({
+  prisma: {
+    aluno: {
+      create: vi.fn(),
+      update: vi.fn(),
+      delete: vi.fn(),
+      findUnique: vi.fn(),
+    },
+    $transaction: vi.fn(),
+  },
+}));
+
+vi.mock('@/utils/supabase/server', () => ({
+  getUser: vi.fn(),
+}));
+
+vi.mock('next/cache', () => ({
+  revalidatePath: vi.fn(),
+}));
+
+vi.mock('@sentry/nextjs', () => ({
+  captureException: vi.fn(),
+}));
+
+describe('alunos actions (CRUD Unit Tests)', () => {
+  const mockAdmin = { user: { email: 'admin@nextgym.com' }, error: null };
+  const validId = '550e8400-e29b-41d4-a716-446655440000';
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    vi.mocked(getUser).mockResolvedValue(
+      mockAdmin as unknown as Awaited<ReturnType<typeof getUser>>
+    );
+  });
+
+  describe('createAlunoAction', () => {
+    it('should create an aluno successfully when data is valid', async () => {
+      const inputData = {
+        nomeCompleto: 'José Inamar',
+        cpf: '12345678900',
+        email: 'jose.inamar@ufrn.edu.br',
+        telefone: '84999999999',
+        statusMatricula: 'ATIVA' as const,
+      };
+
+      const mockCreatedAluno = {
+        id: validId,
+        ...inputData,
+        dataCadastro: new Date(),
+        nivel: 1,
+        exp: 0,
+        streakDiasSeguidos: 0,
+        treinosNoMes: 0,
+      };
+
+      vi.mocked(prisma.aluno.create).mockResolvedValue(
+        mockCreatedAluno as unknown as Awaited<ReturnType<typeof prisma.aluno.create>>
+      );
+
+      const result = await createAlunoAction(inputData);
+
+      expect(result.success).toBe(true);
+      expect(result.data?.id).toBe(validId);
+      expect(prisma.aluno.create).toHaveBeenCalled();
+      expect(revalidatePath).toHaveBeenCalledWith('/dashboard/alunos');
+    });
+
+    it('should return error if unauthorized', async () => {
+      vi.mocked(getUser).mockResolvedValue({ user: null, error: null } as unknown as Awaited<
+        ReturnType<typeof getUser>
+      >);
+      const result = await createAlunoAction({} as Parameters<typeof createAlunoAction>[0]);
+      expect(result.success).toBe(false);
+      expect(result.error).toBe('Usuário não autenticado');
+    });
+  });
+
+  describe('updateAlunoAction', () => {
+    it('should update an aluno successfully', async () => {
+      const updateData = { nomeCompleto: 'José Inamar Silva' };
+      const mockUpdatedAluno = {
+        id: validId,
+        nomeCompleto: 'José Inamar Silva',
+        cpf: '12345678900',
+        email: 'jose.inamar@ufrn.edu.br',
+        telefone: '84999999999',
+        statusMatricula: 'ATIVA' as const,
+        dataCadastro: new Date(),
+      };
+
+      vi.mocked(prisma.aluno.update).mockResolvedValue(
+        mockUpdatedAluno as unknown as Awaited<ReturnType<typeof prisma.aluno.update>>
+      );
+
+      const result = await updateAlunoAction(validId, updateData);
+
+      expect(result.success).toBe(true);
+      expect(result.data?.nomeCompleto).toBe('José Inamar Silva');
+      expect(prisma.aluno.update).toHaveBeenCalledWith({
+        where: { id: validId },
+        data: expect.objectContaining({ nomeCompleto: 'José Inamar Silva' }),
+      });
+    });
+
+    it('should return error if unauthorized', async () => {
+      vi.mocked(getUser).mockResolvedValue({ user: null, error: null } as unknown as Awaited<
+        ReturnType<typeof getUser>
+      >);
+      const result = await updateAlunoAction(validId, { nomeCompleto: 'Novo Nome' });
+      expect(result.success).toBe(false);
+      expect(result.error).toBe('Usuário não autenticado');
+      expect(prisma.aluno.update).not.toHaveBeenCalled();
+    });
+  });
+
+  describe('deleteAlunoAction', () => {
+    it('should delete an aluno successfully', async () => {
+      const result = await deleteAlunoAction(validId);
+
+      expect(result.success).toBe(true);
+      expect(prisma.aluno.delete).toHaveBeenCalledWith({
+        where: { id: validId },
+      });
+      expect(revalidatePath).toHaveBeenCalledWith('/dashboard/alunos');
+    });
+
+    it('should return error if unauthorized', async () => {
+      vi.mocked(getUser).mockResolvedValue({ user: null, error: null } as unknown as Awaited<
+        ReturnType<typeof getUser>
+      >);
+      const result = await deleteAlunoAction(validId);
+      expect(result.success).toBe(false);
+      expect(result.error).toBe('Usuário não autenticado');
+      expect(prisma.aluno.delete).not.toHaveBeenCalled();
+      expect(revalidatePath).not.toHaveBeenCalled();
+    });
+  });
+});