import { afterAll, afterEach, beforeAll, describe, expect, test, vi } from 'vitest'
import { serverOf } from '../src/server'
import * as TodoRepo from '../src/repo/todo'

describe('Todo API Testing', () => {
  const server = serverOf()

  afterEach(() => {
    vi.resetAllMocks()
  })

  test('Given an empty array return from repo function, When send a GET request to /api/v1/todos, Then it should response an empty array', async () => {
    // arrange: stub the repo function to return an empty array
    vi.spyOn(TodoRepo, 'findAllTodos').mockImplementation(async () => [])

    // act: send a GET request to /api/v1/todos
    const response = await server.inject({
      method: 'GET',
      url: '/api/v1/todos'
    })

    // assert: response should be an empty array
    const todos = JSON.parse(response.body)['todos']
    expect(todos).toStrictEqual([])
  })
})