test: add ComparePage mock integration coverage

git push origin test-compare-mock-integrations

Author: Sreeya-kumari

app/compare/page.mock-integrations.test.tsx

@@ -0,0 +1,46 @@
+import { render, screen } from '@testing-library/react';
+import '@testing-library/jest-dom/vitest';
+import { describe, expect, it, vi } from 'vitest';
+
+vi.mock('./CompareClient', () => ({
+  default: () => <div>Mock Compare Client</div>,
+}));
+
+vi.mock('../components/Footer', () => ({
+  Footer: () => <div>Mock Footer</div>,
+}));
+
+import ComparePage from './page';
+
+describe('ComparePage mock integrations', () => {
+  it('renders CompareClient through mocked service layer', () => {
+    render(<ComparePage />);
+
+    expect(screen.getByText('Mock Compare Client')).toBeInTheDocument();
+  });
+
+  it('renders Footer component', () => {
+    render(<ComparePage />);
+
+    expect(screen.getByText('Mock Footer')).toBeInTheDocument();
+  });
+
+  it('renders CompareClient only once', () => {
+    render(<ComparePage />);
+
+    expect(screen.getAllByText('Mock Compare Client')).toHaveLength(1);
+  });
+
+  it('renders Footer only once', () => {
+    render(<ComparePage />);
+
+    expect(screen.getAllByText('Mock Footer')).toHaveLength(1);
+  });
+
+  it('renders page layout with both mocked integrations', () => {
+    render(<ComparePage />);
+
+    expect(screen.getByText('Mock Compare Client')).toBeInTheDocument();
+    expect(screen.getByText('Mock Footer')).toBeInTheDocument();
+  });
+});