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How to test React components with css modules and Mocha+Enzyme?
Good time everyone.
Could you tell me how to test the components in which the class names are dynamic ( localIdentName )?
webpack.config.js
{
loader: 'css-loader',
options: {
importLoaders: 1,
modules: true,
localIdentName: '[name]__[local]_[hash:base64:5]',
},
},
import React, { Component, PropTypes } from 'react';
import cn from 'classnames';
import styles from './Checkbox.scss';
export default class Checkbox extends Component {
static propTypes = {
onChange: PropTypes.func,
isChecked: PropTypes.bool,
isDisabled: PropTypes.bool,
label: PropTypes.string,
};
static defaultProps = {
onChange: () => { console.log('on change event'); }, //eslint-disable-line
}
handlerClick = (e) => {
e.preventDefault();
const { onChange, isChecked } = this.props;
onChange(!isChecked);
}
render() {
const { isChecked, isDisabled, label } = this.props;
return (
<label
className={cn(
styles.checkbox,
{
[styles.checked]: isChecked,
[styles.disabled]: isDisabled,
}
)}
>
<input
type="checkbox"
onChange={this.handlerClick}
disabled={isDisabled}
/>
{ label ? <span>{label}</span> : null }
</label>
);
}
}
import React from 'react';
import { expect } from 'chai';
import { shallow, mount } from 'enzyme';
import { Checkbox } from '../../app/components/Checkbox';
describe('Component: Checkbox', () => {
it('renders component', () => {
expect(
shallow(
<Checkbox />
)
).to.have.length(1);
});
it('is checked', () => {
const wrapper = mount(<Checkbox isChecked />);
expect(
wrapper
.find('input')
.is('[class*="checked"]')
).to.equal(true);
});
});
AssertionError: expected false to equal true
+ expected - actual
-false
+true
at Context. (test/components/Checkbox.test.js:22:74)
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