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mimic-big/frontend/src/screens/engagements/EngagementsPage.test.tsx

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import { describe, it, expect, afterEach } from 'vitest';
import { screen, waitFor } from '@testing-library/react';
import { EngagementsPage } from './EngagementsPage';
import { installFetchMock, renderWithProviders } from '@/test/testUtils';
describe('EngagementsPage', () => {
let fetchMock: ReturnType<typeof installFetchMock>;
afterEach(() => {
fetchMock?.restore();
});
it('shows the loading row while the engagements query is pending', () => {
fetchMock = installFetchMock([]); // never resolve in this test
// Replace with a long-lived promise so the query sits in pending state.
const pending: typeof fetch = () => new Promise(() => null);
globalThis.fetch = pending;
renderWithProviders(<EngagementsPage />);
expect(screen.getByText(/fetching engagements/i)).toBeInTheDocument();
});
it('renders the empty state when the list is empty', async () => {
fetchMock = installFetchMock([{ status: 200, body: [] }]);
renderWithProviders(<EngagementsPage />);
await screen.findByText(/no engagements yet/i);
});
it('renders the error state on 500', async () => {
fetchMock = installFetchMock([{ status: 500, body: { detail: 'internal_error' } }]);
renderWithProviders(<EngagementsPage />);
await waitFor(() => {
expect(screen.getByText(/fetch failed/i)).toBeInTheDocument();
});
expect(screen.getByRole('button', { name: /retry/i })).toBeInTheDocument();
});
it('renders rows when the backend returns engagements', async () => {
fetchMock = installFetchMock([
{
status: 200,
body: [
{
id: 'eng_1',
name: 'OPERATION ALPHA',
client_name: 'Acme',
description: null,
status: 'active',
c2_type: 'mythic',
start_date: '2026-05-20',
end_date: '2026-05-30',
created_at: '2026-05-20T10:00:00Z',
},
],
},
]);
renderWithProviders(<EngagementsPage />);
await screen.findByText('OPERATION ALPHA');
expect(screen.getByText('Acme')).toBeInTheDocument();
expect(screen.getByText('MYTHIC')).toBeInTheDocument();
});
});