react-native-komect-uikit/src/grid/__tests__/Col.js

React Native UI Toolkit

import React from 'react';
import { Text } from 'react-native';
import { shallow } from 'enzyme';
import toJson from 'enzyme-to-json';
import Col from '../Col';

describe('Col Component', () => {
  it('should render without issues', () => {
    const component = shallow(<Col />);

    expect(component.length).toBe(1);
    expect(toJson(component)).toMatchSnapshot();
  });

  it('should render children', () => {
    const component = shallow(
      <Col containerStyle={{ width: 100 }}><Text>Hi</Text></Col>
    );

    expect(component.find('Text').length).toBe(1);
  });

  it('should render with onPress', () => {
    const onPress = jest.fn();
    const component = shallow(
      <Col
        onPress={onPress}
        containerStyle={{ backgroundColor: 'peru' }}
        size={3}
      />
    );

    component.simulate('press');
    expect(onPress).toHaveBeenCalled();
  });
});