subject-pattern-updated-DSL.js.jsx

describe('Button', () => {
  subject(() => {
    return React.addons.TestUtils.renderIntoDocument(
      <Button {...this.lets['props']} />  
    );
  });
  
  describe('with a `text` prop', => {
    let('props', { text: 'Click me'});
    
    it('renders the text', () => {
      expect(this.subject()).toHaveText('Click me');
    });
    
    describe('and an `icon` prop', () => {
      let('props', { icon: 'email'});
      
      it('renders the icon', () => {
        expect(this.subject()).toHaveIcon('email');
      });
      
      it('renders the text', () => {
        expect(this.subject()).toHaveText('Click me');
      });
    });
  });
});