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127 lines
3.7 KiB
127 lines
3.7 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, 1000));
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expect(scrollToSpy).toHaveBeenCalled();
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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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it('should update links when link href update', async () => {
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let anchorInstance = null;
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function AnchorUpdate({ href }) {
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return (
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<Anchor ref={c => anchorInstance = c}>
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<Link href={href} title="API" />
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</Anchor>
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);
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}
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const wrapper = mount(<AnchorUpdate href="#API" />);
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expect(anchorInstance.links).toEqual(['#API']);
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wrapper.setProps({ href: '#API_1' });
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expect(anchorInstance.links).toEqual(['#API_1']);
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});
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it('Anchor onClick event', () => {
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let event;
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let link;
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const handleClick = (...arg) => ([event, link] = arg);
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const href = '#API';
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const title = 'API';
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const wrapper = mount(
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<Anchor onClick={handleClick}>
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<Link href={href} title={title} />
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</Anchor>
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);
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wrapper.find(`a[href="${href}"]`).simulate('click');
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wrapper.instance().handleScroll();
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expect(event).not.toBe(undefined);
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expect(link).toEqual({ href, title });
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});
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});
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