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42 lines
1.1 KiB
React
42 lines
1.1 KiB
React
3 years ago
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import React from 'react'
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import { render, screen } from '@testing-library/react'
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import axiosMock from 'axios'
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import { act } from 'react-dom/test-utils'
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import '@testing-library/jest-dom/extend-expect'
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import App from '../src/App'
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jest.mock('axios')
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describe('<App />', () => {
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it('fetches data', async () => {
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axiosMock.get.mockResolvedValueOnce(
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{
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data: {
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results: [{ url: 'https://pokeapi.co/api/v2/pokemon/1/', name: 'bulbasaur', id: 1 }]
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}
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}
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)
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await act(async () => {
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render(<App />)
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})
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expect(axiosMock.get).toHaveBeenCalledTimes(1)
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expect(axiosMock.get).toHaveBeenCalledWith('https://pokeapi.co/api/v2/pokemon/?limit=784')
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})
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it('shows LoadingSpinner', async () => {
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axiosMock.get.mockResolvedValueOnce({})
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await act(async () => {
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const { getByAltText } = render(<App />)
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expect(getByAltText('Loading...')).toBeVisible()
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})
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})
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it('shows error', async () => {
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axiosMock.get.mockRejectedValueOnce(new Error())
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await act(async () => {
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render(<App />)
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})
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expect(screen.getByTestId('error')).toBeVisible()
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})
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})
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