mastodon/spec/javascript/components/button.test.js

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import { expect } from 'chai';
import { shallow } from 'enzyme';
import sinon from 'sinon';
import React from 'react';
import Button from '../../../app/javascript/mastodon/components/button';
2016-10-10 13:46:37 -07:00
describe('<Button />', () => {
it('renders a button element', () => {
const wrapper = shallow(<Button />);
expect(wrapper).to.match('button');
});
it('renders the given text', () => {
const text = 'foo';
const wrapper = shallow(<Button text={text} />);
expect(wrapper.find('button')).to.have.text(text);
});
it('handles click events using the given handler', () => {
const handler = sinon.spy();
const wrapper = shallow(<Button onClick={handler} />);
wrapper.find('button').simulate('click');
expect(handler.calledOnce).to.equal(true);
});
it('does not handle click events if props.disabled given', () => {
const handler = sinon.spy();
const wrapper = shallow(<Button onClick={handler} disabled />);
wrapper.find('button').simulate('click');
expect(handler.called).to.equal(false);
});
it('renders a disabled attribute if props.disabled given', () => {
const wrapper = shallow(<Button disabled />);
expect(wrapper.find('button')).to.be.disabled();
});
it('renders the children', () => {
const children = <p>children</p>;
const wrapper = shallow(<Button>{children}</Button>);
expect(wrapper.find('button')).to.contain(children);
});
it('renders the props.text instead of children', () => {
const text = 'foo';
const children = <p>children</p>;
const wrapper = shallow(<Button text={text}>{children}</Button>);
expect(wrapper.find('button')).to.have.text(text);
expect(wrapper.find('button')).to.not.contain(children);
});
it('renders style="display: block; width: 100%;" if props.block given', () => {
const wrapper = shallow(<Button block />);
expect(wrapper.find('button')).to.have.className('button--block');
});
it('renders style="display: inline-block; width: auto;" by default', () => {
const wrapper = shallow(<Button />);
expect(wrapper.find('button')).to.not.have.className('button--block');
});
it('adds class "button-secondary" if props.secondary given', () => {
const wrapper = shallow(<Button secondary />);
expect(wrapper.find('button')).to.have.className('button-secondary');
});
it('does not add class "button-secondary" by default', () => {
const wrapper = shallow(<Button />);
expect(wrapper.find('button')).to.not.have.className('button-secondary');
});
});