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41 lines
1.5 KiB
41 lines
1.5 KiB
import React from 'react';
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import { mount } from 'enzyme';
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// eslint-disable-next-line import/no-named-as-default
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import { render } from '@testing-library/react';
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import debounce from 'lodash/debounce';
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import Spin from '..';
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import { sleep } from '../../../tests/utils';
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jest.mock('lodash/debounce');
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debounce.mockImplementation(jest.requireActual('lodash/debounce'));
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describe('delay spinning', () => {
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it("should render with delay when it's mounted with spinning=true and delay", () => {
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const wrapper = mount(<Spin spinning delay={500} />);
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expect(wrapper.find('.ant-spin').at(0).hasClass('ant-spin-spinning')).toEqual(false);
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});
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it('should render when delay is init set', async () => {
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const wrapper = mount(<Spin spinning delay={100} />);
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expect(wrapper.find('.ant-spin').at(0).hasClass('ant-spin-spinning')).toEqual(false);
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// use await not jest.runAllTimers()
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// because of https://github.com/facebook/jest/issues/3465
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await sleep(500);
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wrapper.update();
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expect(wrapper.find('.ant-spin').at(0).hasClass('ant-spin-spinning')).toEqual(true);
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});
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it('should cancel debounce function when unmount', async () => {
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const debouncedFn = jest.fn();
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const cancel = jest.fn();
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debouncedFn.cancel = cancel;
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debounce.mockReturnValueOnce(debouncedFn);
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const { unmount } = render(<Spin spinning delay={100} />);
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expect(cancel).not.toHaveBeenCalled();
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unmount();
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expect(cancel).toHaveBeenCalled();
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});
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});
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