test: ensure BcryptAdapter returns a hash on success

Author: wguilherme

src/infra/criptography/bcrypt-adapter.spec.ts

@@ -1,5 +1,11 @@
 import { BcryptAdapter } from './bcrypt-adapter'
 import bcrypt from 'bcrypt'
+jest.mock('bcrypt', () => ({
+  async hash (): Promise<string> {
+    return await new Promise(resolve => resolve('hash'))
+  }
+
+}))
 describe('Bcrypt Adapter', () => {
   test('Should call bcrypt  with correct values', async () => {
     const salt = 12
@@ -8,4 +14,10 @@ describe('Bcrypt Adapter', () => {
     await sut.encrypt('any_value')
     expect(hashSpy).toHaveBeenCalledWith('any_value', salt)
   })
+  test('Should return a hash on success', async () => {
+    const salt = 12
+    const sut = new BcryptAdapter(salt)
+    const hash = await sut.encrypt('any_value')
+    expect(hash).toBe('hash')
+  })
 })