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