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test(front): add test suite frontend (WIP)
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// FE-COMP-BUDGET-001 to FE-COMP-BUDGET-020
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import { render, screen, waitFor } from '../../../tests/helpers/render';
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import userEvent from '@testing-library/user-event';
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import { http, HttpResponse } from 'msw';
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import { server } from '../../../tests/helpers/msw/server';
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import { useAuthStore } from '../../store/authStore';
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import { useTripStore } from '../../store/tripStore';
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import { useSettingsStore } from '../../store/settingsStore';
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import { resetAllStores, seedStore } from '../../../tests/helpers/store';
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import { buildUser, buildTrip, buildBudgetItem, buildSettings } from '../../../tests/helpers/factories';
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import BudgetPanel from './BudgetPanel';
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beforeEach(() => {
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resetAllStores();
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// Settlement and per-person APIs needed by BudgetPanel
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server.use(
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http.get('/api/trips/:id/budget/settlement', () =>
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HttpResponse.json({ balances: [], flows: [] })
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),
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http.get('/api/trips/:id/budget/per-person', () =>
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HttpResponse.json({ summary: [] })
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),
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);
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seedStore(useAuthStore, { user: buildUser(), isAuthenticated: true });
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seedStore(useTripStore, { trip: buildTrip({ id: 1, currency: 'EUR' }) });
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});
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describe('BudgetPanel', () => {
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it('FE-COMP-BUDGET-001: renders empty state when no budget items', async () => {
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('No budget created yet');
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});
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it('FE-COMP-BUDGET-002: shows empty state text body', async () => {
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText(/Create categories and entries/i);
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});
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it('FE-COMP-BUDGET-003: shows category input in empty state when user can edit', async () => {
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByPlaceholderText('Enter category name...');
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});
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it('FE-COMP-BUDGET-004: renders budget items from store after load', async () => {
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const item = buildBudgetItem({ trip_id: 1, name: 'Hotel Paris', category: 'Accommodation' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Hotel Paris');
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});
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it('FE-COMP-BUDGET-005: renders category section header', async () => {
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const item = buildBudgetItem({ trip_id: 1, name: 'Flight to Rome', category: 'Transport' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Transport');
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});
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it('FE-COMP-BUDGET-006: renders budget table headers', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'Food' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Name');
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await screen.findByText('Total');
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});
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it('FE-COMP-BUDGET-007: shows Budget title heading', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'Other' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Budget');
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});
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it('FE-COMP-BUDGET-008: shows CSV export button', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'Other' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('CSV');
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});
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it('FE-COMP-BUDGET-009: add item row visible in table', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'Food' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByPlaceholderText('New Entry');
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});
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it('FE-COMP-BUDGET-010: adding new item via form calls POST and shows item', async () => {
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const user = userEvent.setup();
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const initialItem = buildBudgetItem({ trip_id: 1, category: 'Food', name: 'Existing' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [initialItem] })),
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http.post('/api/trips/1/budget', async ({ request }) => {
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const body = await request.json() as Record<string, unknown>;
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const item = buildBudgetItem({ trip_id: 1, name: String(body.name || 'New Item'), category: 'Food' });
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return HttpResponse.json({ item });
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})
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);
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render(<BudgetPanel tripId={1} />);
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const nameInput = await screen.findByPlaceholderText('New Entry');
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await user.type(nameInput, 'Restaurant Dinner');
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const addBtn = screen.getByTitle('Add Reservation');
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await user.click(addBtn);
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await screen.findByText('Restaurant Dinner');
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});
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it('FE-COMP-BUDGET-011: delete button present for items when user can edit', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'Food', name: 'Test Item' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Test Item');
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// Delete button has title="Delete"
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expect(screen.getByTitle('Delete')).toBeInTheDocument();
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});
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it('FE-COMP-BUDGET-012: delete item removes it from the UI', async () => {
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const user = userEvent.setup();
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const item = buildBudgetItem({ id: 42, trip_id: 1, category: 'Food', name: 'Item To Delete' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] })),
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http.delete('/api/trips/1/budget/42', () => HttpResponse.json({ success: true }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Item To Delete');
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await user.click(screen.getByTitle('Delete'));
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await waitFor(() => {
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expect(screen.queryByText('Item To Delete')).not.toBeInTheDocument();
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});
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});
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it('FE-COMP-BUDGET-013: multiple items in same category all render', async () => {
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const item1 = buildBudgetItem({ trip_id: 1, category: 'Hotels', name: 'Hotel A' });
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const item2 = buildBudgetItem({ trip_id: 1, category: 'Hotels', name: 'Hotel B' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item1, item2] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Hotel A');
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await screen.findByText('Hotel B');
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});
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it('FE-COMP-BUDGET-014: items from different categories render separate sections', async () => {
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const item1 = buildBudgetItem({ trip_id: 1, category: 'Transport', name: 'Flight' });
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const item2 = buildBudgetItem({ trip_id: 1, category: 'Hotels', name: 'Hotel' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item1, item2] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Transport');
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await screen.findByText('Hotels');
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});
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it('FE-COMP-BUDGET-015: currency from settings store is used for default_currency display', async () => {
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seedStore(useSettingsStore, { settings: buildSettings({ default_currency: 'USD' }) });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [] }))
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);
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render(<BudgetPanel tripId={1} />);
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// Component renders even in empty state
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await screen.findByText('No budget created yet');
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});
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it('FE-COMP-BUDGET-016: trip currency EUR is shown in header for item rows', async () => {
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seedStore(useTripStore, { trip: buildTrip({ id: 1, currency: 'EUR' }) });
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const item = buildBudgetItem({ trip_id: 1, category: 'Other', name: 'Misc', total_price: 50 });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('Misc');
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// Row exists - EUR formatting would appear in values
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});
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it('FE-COMP-BUDGET-017: Delete Category button shown in category header', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'ToDelete', name: 'Item' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByText('ToDelete');
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expect(screen.getByTitle('Delete Category')).toBeInTheDocument();
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});
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it('FE-COMP-BUDGET-018: renders add item button (+ icon) in add row', async () => {
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const item = buildBudgetItem({ trip_id: 1, category: 'Other' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [item] }))
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);
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render(<BudgetPanel tripId={1} />);
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await screen.findByPlaceholderText('New Entry');
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// The add button is present
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expect(screen.getByTitle('Add Reservation')).toBeInTheDocument();
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});
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it('FE-COMP-BUDGET-019: add item with Enter key submits the form', async () => {
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const user = userEvent.setup();
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const initialItem = buildBudgetItem({ trip_id: 1, category: 'Food', name: 'Existing' });
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [initialItem] })),
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http.post('/api/trips/1/budget', async ({ request }) => {
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const body = await request.json() as Record<string, unknown>;
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const item = buildBudgetItem({ trip_id: 1, name: String(body.name), category: 'Food' });
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return HttpResponse.json({ item });
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})
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);
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render(<BudgetPanel tripId={1} />);
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const nameInput = await screen.findByPlaceholderText('New Entry');
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await user.type(nameInput, 'Pizza{Enter}');
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await screen.findByText('Pizza');
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});
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it('FE-COMP-BUDGET-020: component renders without crashing with empty tripMembers', async () => {
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server.use(
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http.get('/api/trips/1/budget', () => HttpResponse.json({ items: [] }))
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);
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render(<BudgetPanel tripId={1} tripMembers={[]} />);
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await screen.findByText('No budget created yet');
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});
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});
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