76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
|
import { shallow } from 'enzyme';
|
||
|
|
import React from 'react';
|
||
|
|
import renderer from 'react-test-renderer';
|
||
|
|
import Button from '../button';
|
||
|
|
|
||
|
|
describe('<Button />', () => {
|
||
|
|
it('renders a button element', () => {
|
||
|
|
const component = renderer.create(<Button />);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
|
||
|
|
it('renders the given text', () => {
|
||
|
|
const text = 'foo';
|
||
|
|
const component = renderer.create(<Button text={text} />);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
|
||
|
|
it('handles click events using the given handler', () => {
|
||
|
|
const handler = jest.fn();
|
||
|
|
const button = shallow(<Button onClick={handler} />);
|
||
|
|
button.find('button').simulate('click');
|
||
|
|
|
||
|
|
expect(handler.mock.calls.length).toEqual(1);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('does not handle click events if props.disabled given', () => {
|
||
|
|
const handler = jest.fn();
|
||
|
|
const button = shallow(<Button onClick={handler} disabled />);
|
||
|
|
button.find('button').simulate('click');
|
||
|
|
|
||
|
|
expect(handler.mock.calls.length).toEqual(0);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('renders a disabled attribute if props.disabled given', () => {
|
||
|
|
const component = renderer.create(<Button disabled />);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
|
||
|
|
it('renders the children', () => {
|
||
|
|
const children = <p>children</p>;
|
||
|
|
const component = renderer.create(<Button>{children}</Button>);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
|
||
|
|
it('renders the props.text instead of children', () => {
|
||
|
|
const text = 'foo';
|
||
|
|
const children = <p>children</p>;
|
||
|
|
const component = renderer.create(<Button text={text}>{children}</Button>);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
|
||
|
|
it('renders class="button--block" if props.block given', () => {
|
||
|
|
const component = renderer.create(<Button block />);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
|
||
|
|
it('adds class "button-secondary" if props.secondary given', () => {
|
||
|
|
const component = renderer.create(<Button secondary />);
|
||
|
|
const tree = component.toJSON();
|
||
|
|
|
||
|
|
expect(tree).toMatchSnapshot();
|
||
|
|
});
|
||
|
|
});
|