From 9d338411489a0112436f05abd46d473c09b7a371 Mon Sep 17 00:00:00 2001
From: marcaufderheyde <marc.auf-der-heyde@deutschebahn.com>
Date: Thu, 19 Sep 2024 18:34:32 +0200
Subject: [PATCH] CAN-143 - Drawer Test Suite done

---
 app/components/Drawer/Drawer.test.tsx | 78 ++++++++++++++++++++++++++-
 1 file changed, 76 insertions(+), 2 deletions(-)

diff --git a/app/components/Drawer/Drawer.test.tsx b/app/components/Drawer/Drawer.test.tsx
index b2f4514..a5f923b 100644
--- a/app/components/Drawer/Drawer.test.tsx
+++ b/app/components/Drawer/Drawer.test.tsx
@@ -1,3 +1,77 @@
-test('adds 1+2 to equal 3', () => {
-    expect(1 + 2).toBe(3);
+import React, { ReactNode } from 'react';
+import { render, screen, fireEvent } from '@testing-library/react';
+import '@testing-library/jest-dom';
+
+type DrawerProps = {
+    isOpen: boolean;
+    onClose: () => void;
+    children: ReactNode;
+    className?: string;
+};
+
+const MockDrawer: React.FC<DrawerProps> = ({
+    isOpen,
+    onClose,
+    children,
+    className,
+}) => {
+    if (!isOpen) return null;
+    return (
+        <div data-testid="mock-drawer" className={className}>
+            <div data-testid="mock-close" onClick={onClose}>
+                Close
+            </div>
+            <div data-testid="mock-content">{children}</div>
+        </div>
+    );
+};
+
+jest.mock('./Drawer', () => ({
+    __esModule: true,
+    default: jest.fn((props: DrawerProps) => MockDrawer(props)),
+}));
+
+const Drawer = require('./Drawer').default;
+
+describe('Drawer Component', () => {
+    const mockOnClose = jest.fn();
+    const defaultProps: DrawerProps = {
+        isOpen: true,
+        onClose: mockOnClose,
+        children: <div>Drawer Content</div>,
+    };
+
+    beforeEach(() => {
+        jest.clearAllMocks();
+    });
+
+    it('renders correctly when open', () => {
+        render(<Drawer {...defaultProps} />);
+        expect(screen.getByTestId('mock-drawer')).toBeInTheDocument();
+        expect(screen.getByText('Drawer Content')).toBeInTheDocument();
+    });
+
+    it('does not render when closed', () => {
+        render(<Drawer {...defaultProps} isOpen={false} />);
+        expect(screen.queryByTestId('mock-drawer')).not.toBeInTheDocument();
+    });
+
+    it('calls onClose when close button is clicked', () => {
+        render(<Drawer {...defaultProps} />);
+        fireEvent.click(screen.getByTestId('mock-close'));
+        expect(mockOnClose).toHaveBeenCalled();
+    });
+
+    it('applies custom className', () => {
+        render(<Drawer {...defaultProps} className="custom-class" />);
+        expect(screen.getByTestId('mock-drawer')).toHaveClass('custom-class');
+    });
+
+    it('renders children correctly', () => {
+        const customContent = (
+            <div data-testid="custom-content">Custom Content</div>
+        );
+        render(<Drawer {...defaultProps}>{customContent}</Drawer>);
+        expect(screen.getByTestId('custom-content')).toBeInTheDocument();
+    });
 });