chore: add tests folder (#2)

Author: paulobmarcos

src/NewComponent.js

@@ -1,4 +1,3 @@
-// Here, create the new Component you want to see exported to a new package
 import React from 'react';
 import PropTypes from 'prop-types';
 

src/NewComponent.test.js

@@ -0,0 +1,25 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+import NewComponent from '../src/NewComponent';
+
+const defaultProps = {
+    children: <span>Hello</span>,
+};
+
+const renderWithProps = (props = {}) => render(<NewComponent { ...defaultProps } { ...props } />);
+
+describe('NewComponent Component', () => {
+    it('should render correctly', () => {
+        const { getByText } = renderWithProps();
+
+        expect(getByText('Hello')).toBeInTheDocument();
+    });
+
+    it('should render correctly with different children', () => {
+        const { asFragment } = renderWithProps({
+            children: <span>Foo Bar</span>,
+        });
+
+        expect(asFragment()).toMatchSnapshot();
+    });
+});

src/index.test.js

@@ -0,0 +1,11 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`NewComponent Component should render correctly with different children 1`] = `
+<DocumentFragment>
+  <div>
+    <span>
+      Foo Bar
+    </span>
+  </div>
+</DocumentFragment>
+`;