feature #3 - Update dto and method name in interface

src/2-business/dto/output.ts

@@ -0,0 +1,8 @@
+export interface Output<T> {
+  status?: 'success' | 'fail' | 'error' | string
+  message?: string
+  code?: string
+  httpCode?: number
+  data?: T
+  headers?: any
+}

src/2-business/repositories/iExchangeRateRepository.ts

@@ -1,5 +1,5 @@
 import { ExchangeRate } from '../../1-domain/entities/exchangeRate'
 
 export interface IExchangeRateRepository {
-  create (entity: ExchangeRate): Promise<void>
+  upsert (entity: ExchangeRate): Promise<ExchangeRate>
 }

src/2-business/services/iExchangeRateService.ts

@@ -1,6 +1,6 @@
-import { IExchangeRateResponse } from '../../1-domain/models/iExchangeRateResponse'
+import { ILatestRatesResponse } from '../../1-domain/models/iExchangeRateResponse'
 import { CurrencyEnum } from '../../2-business/enums/currencyEnum'
 
 export interface IExchangeRateService {
-  get (base: CurrencyEnum): Promise<IExchangeRateResponse>
+  getLatestRates (base: CurrencyEnum): Promise<ILatestRatesResponse>
 }

src/2-business/useCases/exchangeRate/updateExchangeRateUseCase.ts

@@ -2,29 +2,31 @@ import { IExchangeRateRepository } from '../../repositories/iExchangeRateReposit
 import { IExchangeRateService } from '../../services/iExchangeRateService'
 import { ExchangeRate } from '../../../1-domain/entities/exchangeRate'
 import { CurrencyEnum } from '../../enums/currencyEnum'
-import { IExchangeRateResponse } from '../../../1-domain/models/iExchangeRateResponse'
+import { ILatestRatesResponse } from '../../../1-domain/models/iExchangeRateResponse'
 
 export class UpdateExchangeRateUseCase {
 
   constructor (
-		private exchangeRateRepository: IExchangeRateRepository,
-		private exchangeRateService: IExchangeRateService
+		private readonly exchangeRateRepository: IExchangeRateRepository,
+		private readonly exchangeRateService: IExchangeRateService
 	) {}
 
   private logPrefix: string = 'UpdateExchangeRateUseCase'
 
   async execute (): Promise<void> {
     console.log(`${this.logPrefix} :: start`)
     try {
-      const exchangeRatesResponse: IExchangeRateResponse = await this.exchangeRateService.get(CurrencyEnum.BRL)
+      const exchangeRatesResponse: ILatestRatesResponse = await this.exchangeRateService.getLatestRates(CurrencyEnum.BRL)
       const exchangeRates: ExchangeRate = {
         baseCurrency: exchangeRatesResponse.base,
         rates: exchangeRatesResponse.rates
       }
-      await this.exchangeRateRepository.create(exchangeRates)
+      await this.exchangeRateRepository.upsert(exchangeRates)
       console.log(`${this.logPrefix} :: end`)
     } catch (error) {
       throw error
     }
   }
 }
+
+export default UpdateExchangeRateUseCase

test/unit/2-business/updateExchangeRateUseCase.test.ts → test/unit/2-business/exchangeRate/updateExchangeRateUseCase.test.ts

@@ -1,9 +1,9 @@
-import { ExchangeRate } from '../../../src/1-domain/entities/exchangeRate'
-import { IExchangeRateResponse } from '../../../src/1-domain/models/iExchangeRateResponse'
-import { UpdateExchangeRateUseCase } from '../../../src/2-business/useCases/exchangeRate/updateExchangeRateUseCase'
-import { IExchangeRateRepository } from '../../../src/2-business/repositories/iExchangeRateRepository'
-import { IExchangeRateService } from '../../../src/2-business/services/iExchangeRateService'
-import { CurrencyEnum } from '../../../src/2-business/enums/currencyEnum'
+import { ExchangeRate } from '../../../../src/1-domain/entities/exchangeRate'
+import { ILatestRatesResponse } from '../../../../src/1-domain/models/iExchangeRateResponse'
+import { UpdateExchangeRateUseCase } from '../../../../src/2-business/useCases/exchangeRate/updateExchangeRateUseCase'
+import { IExchangeRateRepository } from '../../../../src/2-business/repositories/iExchangeRateRepository'
+import { IExchangeRateService } from '../../../../src/2-business/services/iExchangeRateService'
+import { CurrencyEnum } from '../../../../src/2-business/enums/currencyEnum'
 
 describe('UpdateExchangeRateUseCase', () => {
   const exchangeRateMock: ExchangeRate = {
@@ -19,7 +19,7 @@ describe('UpdateExchangeRateUseCase', () => {
     }
   }
 
-  const exchangeRateResponseMock: IExchangeRateResponse = {
+  const exchangeRateResponseMock: ILatestRatesResponse = {
     success: true,
     timestamp: 1519296206,
     base: 'BRL',
@@ -40,10 +40,10 @@ describe('UpdateExchangeRateUseCase', () => {
 
   const setMocks = () => {
     exchangeRateRepository = {
-      create: jest.fn().mockResolvedValue(null)
+      upsert: jest.fn().mockResolvedValue(null)
     }
     exchangeRateService = {
-      get: jest.fn().mockResolvedValue(exchangeRateResponseMock)
+      getLatestRates: jest.fn().mockResolvedValue(exchangeRateResponseMock)
     }
   }
 
@@ -58,13 +58,13 @@ describe('UpdateExchangeRateUseCase', () => {
 		)
 
     await expect(useCase.execute()).resolves.not.toThrow()
-    expect(exchangeRateService.get).toHaveBeenCalledWith(CurrencyEnum.BRL)
-    expect(exchangeRateRepository.create).toHaveBeenCalledWith(exchangeRateMock)
+    expect(exchangeRateService.getLatestRates).toHaveBeenCalledWith(CurrencyEnum.BRL)
+    expect(exchangeRateRepository.upsert).toHaveBeenCalledWith(exchangeRateMock)
   })
 
   test('Failure::should throw error when exchange rate service fails', async () => {
     exchangeRateService = {
-      get: jest.fn().mockRejectedValue(new Error())
+      getLatestRates: jest.fn().mockRejectedValue(new Error())
     }
 
     const useCase = new UpdateExchangeRateUseCase(