88 lines
2.5 KiB
TypeScript
88 lines
2.5 KiB
TypeScript
import { renderHook } from '@testing-library/react-hooks';
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import { render, waitFor } from '@testing-library/react-native';
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import React from 'react';
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import { View, Text } from 'react-native';
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import { useEndpointData } from './useEndpointData';
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import sdk from '../services/sdk';
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const url = 'chat.getMessage';
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export const message = {
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_id: '9tYkmJ67wMwmvQouD',
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t: 'uj',
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rid: 'GENERAL',
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ts: '2022-07-05T19:34:30.146Z',
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msg: 'xdani',
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u: {
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_id: 'ombax8oEZnE7N3Mtt',
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username: 'xdani',
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name: 'xdani'
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},
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groupable: false,
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_updatedAt: '2022-07-05T19:34:30.146Z'
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};
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// mock sdk
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jest.mock('../services/sdk', () => ({
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get: jest.fn(() => new Promise(resolve => setTimeout(() => resolve({ success: true, message }), 1000)))
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}));
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function Render() {
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const { loading } = useEndpointData(url, { msgId: message._id });
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if (loading) {
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return (
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<View>
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<Text testID='loading'>loading</Text>
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</View>
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);
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}
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return (
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<View>
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<Text testID='load complete'>load complete</Text>
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</View>
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);
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}
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describe('useFetch', () => {
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it('should return data after fetch', async () => {
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const { result, waitForNextUpdate } = renderHook(() => useEndpointData(url, { msgId: message._id }));
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expect(result.current.loading).toEqual(true);
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expect(result.current.result).toEqual(undefined);
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await waitForNextUpdate();
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expect(result.current.loading).toEqual(false);
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expect(result.current.result).toEqual({ success: true, message });
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});
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it('should component load correctly', async () => {
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const renderComponent = render(<Render />);
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const loading = await renderComponent.findByTestId('loading');
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expect(loading.props.children).toBe('loading');
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await waitFor(
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() => {
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expect(renderComponent.getByText('load complete')).toBeTruthy();
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},
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{ timeout: 2000 }
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);
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});
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it('should return error after fetch', async () => {
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const spy = jest
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.spyOn(sdk, 'get')
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.mockImplementation(
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jest.fn(() => new Promise(resolve => setTimeout(() => resolve({ success: false, error: null }), 1000)))
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);
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const { result, waitForNextUpdate } = renderHook(() => useEndpointData(url, { msgId: message._id }));
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expect(result.current.loading).toEqual(true);
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expect(result.current.result).toEqual(undefined);
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expect(result.current.error).toEqual(undefined);
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await waitForNextUpdate();
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expect(result.current.loading).toEqual(false);
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expect(result.current.result).toEqual(undefined);
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expect(result.current.error).toEqual({ success: false, error: null });
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spy.mockRestore();
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});
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});
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