refactor(app): move react components to react codebase [EE-3179] (#6971)

app/react/components/buttons/AddButton.test.tsx

@@ -0,0 +1,22 @@
+import { fireEvent, render } from '@testing-library/react';
+
+import { AddButton, Props } from './AddButton';
+
+function renderDefault({
+  label = 'default label',
+  onClick = () => {},
+}: Partial<Props> = {}) {
+  return render(<AddButton label={label} onClick={onClick} />);
+}
+
+test('should display a AddButton component and allow onClick', async () => {
+  const label = 'test label';
+  const onClick = jest.fn();
+  const { findByText } = renderDefault({ label, onClick });
+
+  const buttonLabel = await findByText(label);
+  expect(buttonLabel).toBeTruthy();
+
+  fireEvent.click(buttonLabel);
+  expect(onClick).toHaveBeenCalled();
+});