forked from reactstrap/reactstrap
/
Collapse.spec.js
133 lines (113 loc) · 4.04 KB
/
Collapse.spec.js
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import React from 'react';
import { shallow, mount } from 'enzyme';
import { Collapse } from '../';
describe('Collapse', () => {
let isOpen;
let wrapper;
const toggle = () => {
isOpen = !isOpen;
if (wrapper != null) {
wrapper.setProps({ isOpen });
}
};
beforeEach(() => {
isOpen = false;
jest.useFakeTimers();
});
afterEach(() => {
// fast forward time for collapse to fade out
jest.runTimersToTime(400);
jest.clearAllTimers();
});
it('should render children', () => {
wrapper = mount(<Collapse><p>hello</p></Collapse>);
expect(wrapper.find('p').text()).toBe('hello');
});
it('should have default isOpen value', () => {
wrapper = shallow(<Collapse />);
expect(wrapper.instance().props.isOpen).toEqual(false);
});
it('should render with class "collapse"', () => {
wrapper = mount(<Collapse />);
expect(wrapper.find('div').hasClass('collapse')).toEqual(true);
});
it('should render with class "navbar-collapse" if it has prop navbar', () => {
wrapper = mount(<Collapse navbar />);
expect(wrapper.find('div').hasClass('navbar-collapse')).toEqual(true);
});
it('should render with class "show" when isOpen is true', () => {
wrapper = mount(<Collapse isOpen />);
expect(wrapper.find('div').hasClass('show')).toEqual(true);
});
it('should set height to null when isOpen is true', () => {
wrapper = shallow(<Collapse isOpen />);
expect(wrapper.state('height')).toBe(null);
});
it('should not set height when isOpen is false', () => {
wrapper = shallow(<Collapse isOpen={false} />);
expect(wrapper.state('height')).toBe(null);
});
it('should forward all styles', () => {
wrapper = mount(<Collapse isOpen style={{ backgroundColor: 'black' }} />);
expect(wrapper.find('div').prop('style').backgroundColor).toBe('black');
});
it('should forward all callbacks', () => {
const callbacks = {
onEnter: jest.fn(),
onEntering: jest.fn(),
onEntered: jest.fn(),
onExit: jest.fn(),
onExiting: jest.fn(),
onExited: jest.fn(),
};
wrapper = mount(<Collapse isOpen={isOpen} {...callbacks} />);
toggle();
expect(callbacks.onEnter).toHaveBeenCalled();
expect(callbacks.onEntering).toHaveBeenCalled();
expect(callbacks.onEntered).not.toHaveBeenCalled();
jest.runTimersToTime(350);
expect(callbacks.onEntered).toHaveBeenCalled();
expect(callbacks.onExit).not.toHaveBeenCalled();
toggle();
expect(callbacks.onExit).toHaveBeenCalled();
expect(callbacks.onExiting).toHaveBeenCalled();
expect(callbacks.onExited).not.toHaveBeenCalled();
jest.runTimersToTime(350);
expect(callbacks.onExiting).toHaveBeenCalled();
expect(callbacks.onExited).toHaveBeenCalled();
wrapper.unmount();
});
it('should apply correct bootstrap classes', () => {
wrapper = mount(<Collapse isOpen={isOpen} />);
toggle();
expect(wrapper.update().find('div').prop('className')).toBe('collapsing');
jest.runTimersToTime(350);
expect(wrapper.update().find('div').prop('className')).toBe('collapse show');
toggle();
expect(wrapper.update().find('div').prop('className')).toBe('collapsing');
jest.runTimersToTime(350);
expect(wrapper.update().find('div').prop('className')).toBe('collapse');
wrapper.unmount();
});
it('should set inline style to 0 when isOpen change to false', () => {
isOpen = true;
wrapper = mount(<Collapse isOpen={isOpen} />);
toggle();
expect(wrapper.state('height')).toBe(0);
wrapper.unmount();
});
it('should remove inline style when isOpen change to true after transition', () => {
wrapper = mount(<Collapse isOpen={isOpen} />);
toggle();
jest.runTimersToTime(380);
expect(wrapper.state('height')).toBe(null);
wrapper.unmount();
});
it('should set aria-expanded', () => {
isOpen = false;
wrapper = mount(<Collapse isOpen={isOpen} />);
expect(wrapper.find('div').prop('aria-expanded')).toBe('false');
toggle();
expect(wrapper.find('div').prop('aria-expanded')).toBe('true');
});
});