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93 lines
2.9 KiB
93 lines
2.9 KiB
import React from 'react';
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import { mount } from 'enzyme';
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import Anchor from '..';
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const { Link } = Anchor;
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describe('Anchor Render', () => {
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it('Anchor render perfectly', () => {
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const wrapper = mount(
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<Anchor>
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<Link href="#API" title="API" />
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</Anchor>
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);
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wrapper.find('a[href="#API"]').simulate('click');
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wrapper.instance().handleScroll();
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expect(wrapper.instance().state).not.toBe(null);
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});
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it('Anchor render perfectly for complete href - click', () => {
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const wrapper = mount(
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<Anchor>
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<Link href="http://www.example.com/#API" title="API" />
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</Anchor>
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);
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wrapper.find('a[href="http://www.example.com/#API"]').simulate('click');
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expect(wrapper.instance().state.activeLink).toBe('http://www.example.com/#API');
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});
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it('Anchor render perfectly for complete href - scroll', () => {
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let root = document.getElementById('root');
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if (!root) {
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root = document.createElement('div', { id: 'root' });
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root.id = 'root';
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document.body.appendChild(root);
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}
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mount(<div id="API">Hello</div>, { attachTo: root });
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const wrapper = mount(
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<Anchor>
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<Link href="http://www.example.com/#API" title="API" />
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</Anchor>
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);
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wrapper.instance().handleScroll();
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expect(wrapper.instance().state.activeLink).toBe('http://www.example.com/#API');
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});
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it('Anchor render perfectly for complete href - scrollTo', async () => {
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const scrollToSpy = jest.spyOn(window, 'scrollTo');
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let root = document.getElementById('root');
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if (!root) {
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root = document.createElement('div', { id: 'root' });
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root.id = 'root';
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document.body.appendChild(root);
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}
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mount(<div id="API">Hello</div>, { attachTo: root });
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const wrapper = mount(
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<Anchor>
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<Link href="##API" title="API" />
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</Anchor>
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);
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wrapper.instance().handleScrollTo('##API');
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expect(wrapper.instance().state.activeLink).toBe('##API');
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expect(scrollToSpy).not.toHaveBeenCalled();
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await new Promise(resolve => setTimeout(resolve, 50));
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expect(scrollToSpy).toHaveBeenCalled();
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expect(wrapper.instance().animating).toBe(true);
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await new Promise(resolve => setTimeout(resolve, 500));
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expect(wrapper.instance().animating).toBe(false);
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});
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it('should remove listener when unmount', async () => {
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const wrapper = mount(
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<Anchor>
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<Link href="#API" title="API" />
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</Anchor>
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);
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const removeListenerSpy = jest.spyOn(wrapper.instance().scrollEvent, 'remove');
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wrapper.unmount();
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expect(removeListenerSpy).toHaveBeenCalled();
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});
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it('should unregister link when unmount children', async () => {
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const wrapper = mount(
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<Anchor>
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<Link href="#API" title="API" />
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</Anchor>
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);
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expect(wrapper.instance().links).toEqual(['#API']);
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wrapper.setProps({ children: null });
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expect(wrapper.instance().links).toEqual([]);
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});
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});
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