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33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
import React from 'react';
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import { mount } from 'enzyme';
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import Spin from '..';
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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 new Promise(resolve => setTimeout(resolve, 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 wrapper = mount(<Spin spinning delay={100} />);
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const spy = jest.spyOn(wrapper.instance().updateSpinning, 'cancel');
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expect(wrapper.instance().updateSpinning.cancel).toEqual(expect.any(Function));
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expect(spy).not.toHaveBeenCalled();
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wrapper.unmount();
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expect(spy).toHaveBeenCalled();
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});
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});
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