Niloofar Sadeghi / Task - Refactor tests in the toggle-button-group.s…

…pec.tsx file (#7330)

* refactor: toggle-button-group tests

* fix: test issue

Co-authored-by: Niloofar Sadeghi <niloofar.sadeghi@firstsource.tech>

packages/trader/src/App/Components/Elements/ToggleButton/__tests__/toggle-button-group.spec.js

@@ -0,0 +1,38 @@
+import React from 'react';
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import ToggleButtonGroup from '../toggle-button-group.jsx';
+import ToggleButton from '../toggle-button.jsx';
+
+const MockToggleButtonGroup = ({ value, className, multiple, onChange }) => (
+    <ToggleButtonGroup value={value} className={className} onChange={onChange} multiple={multiple}>
+        <ToggleButton value='first-button'>first test button</ToggleButton>
+        {multiple && <ToggleButton value='second-button'>second test button</ToggleButton>}
+    </ToggleButtonGroup>
+);
+
+describe('ToggleButtonGroup', () => {
+    it('should have "test-class" class when "className" passed', () => {
+        render(<MockToggleButtonGroup className='test-class' />);
+        expect(screen.getByTestId('dt_toggle_button_group')).toHaveClass('test-class');
+    });
+
+    it('should be called when the "ToggleButton" is clicked with value of the button', () => {
+        const mock_click = jest.fn();
+        render(<MockToggleButtonGroup onChange={mock_click} />);
+        const button = screen.getByRole('button', { name: 'first test button' });
+        userEvent.click(button);
+        expect(mock_click).toHaveBeenCalledTimes(1);
+        expect(mock_click.mock.calls[0][1]).toBe('first-button');
+    });
+
+    it('should be called when the "ToggleButton" is clicked with an empty array', () => {
+        const mock_click = jest.fn();
+        render(<MockToggleButtonGroup value={['first-button']} multiple onChange={mock_click} />);
+        const button = screen.getByRole('button', { name: 'first test button' });
+        userEvent.click(button);
+        expect(mock_click).toHaveBeenCalledTimes(1);
+        expect(Array.isArray(mock_click.mock.calls[0][1])).toBeTruthy();
+        expect(mock_click.mock.calls[0][1]).toHaveLength(0);
+    });
+});

packages/trader/src/App/Components/Elements/ToggleButton/toggle-button-group.jsx

@@ -41,7 +41,7 @@ const ToggleButtonGroup = ({ children, className, multiple, onChange, value, ...
     });
 
     return (
-        <div className={classNames('toggle-button-group', className)} {...others}>
+        <div data-testid='dt_toggle_button_group' className={classNames('toggle-button-group', className)} {...others}>
             {toggle_buttons}
         </div>
     );