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import React from 'react';
import { render } from 'react-testing-library';
import StyledButton from '../StyledButton';
describe('<StyledButton />', () => {
it('should render an <button> tag', () => {
const { container } = render(<StyledButton />);
expect(container.querySelector('button')).not.toBeNull();
});
it('should have a class attribute', () => {
const { container } = render(<StyledButton />);
expect(container.querySelector('button').hasAttribute('class')).toBe(true);
});
it('should adopt a valid attribute', () => {
const id = 'test';
const { container } = render(<StyledButton id={id} />);
expect(container.querySelector('button').id).toEqual(id);
});
it('should not adopt an invalid attribute', () => {
const { container } = render(<StyledButton attribute="test" />);
expect(container.querySelector('button[attribute="test"]')).toBeNull();
});
});
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