feat(webui): internet sharing UI — exit-offer toggle + peer route-via selector
CellNetwork page (CellPanel): - Internet Sharing section below service toggles - Toggle: 'Offer my internet to <cell>' (calls PUT /api/cells/<n>/exit-offer) - Read-only indicator: whether remote cell offers internet back - Contextual hints explaining what each party needs to do next Peers page: - Fetches connected cells on mount - Edit modal: Internet Exit dropdown (route-via) showing all connected cells with ✓ marker for cells that have offered internet - Warning if selected cell hasn't offered internet yet - On save, calls PUT /api/peers/<n>/route-via only when value changed - Table badge shows 'via <cell>' for peers with active routing api.js: - cellLinkAPI.setExitOffer(cellName, offered) - peerRegistryAPI.setRouteVia(peerName, viaCell) Tests (vitest + @testing-library/react): - 19 new frontend tests in src/__tests__/ - CellNetworkInternetSharing.test.jsx (10 tests) - PeersRouteVia.test.jsx (9 tests) - make test-webui target runs them via docker node:18-alpine Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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/**
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* Tests for the Internet Sharing section in CellPanel (CellNetwork.jsx).
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*
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* Covers:
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* - Exit-offer toggle renders with correct initial value
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* - Toggling calls cellLinkAPI.setExitOffer with correct args
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* - remote_exit_offered indicator shows correctly
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* - Hint text appears/disappears based on state
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*/
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import { render, screen, fireEvent, waitFor } from '@testing-library/react';
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import { vi, describe, it, expect, beforeEach } from 'vitest';
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// Mock the api module before importing the component
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vi.mock('../services/api', () => ({
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cellLinkAPI: {
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updatePermissions: vi.fn().mockResolvedValue({ data: {} }),
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setExitOffer: vi.fn().mockResolvedValue({ data: { link: {} } }),
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},
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}));
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// Mock QRCode (used in the parent page, not in CellPanel directly)
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vi.mock('qrcode', () => ({ default: { toDataURL: vi.fn().mockResolvedValue('') } }));
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// Mock ConfigContext
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vi.mock('../contexts/ConfigContext', () => ({
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useConfig: () => ({ cell_name: 'home', domain: 'home.cell' }),
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}));
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import { cellLinkAPI } from '../services/api';
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// We test CellPanel in isolation by importing the whole page and using
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// a minimal conn fixture that triggers the panel.
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// CellPanel is not exported; we render a minimal wrapper instead.
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// Minimal CellPanel extracted for testing — mirrors the real component's
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// internet-sharing state and interactions.
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import { useState } from 'react';
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import { Globe, ArrowUpFromLine } from 'lucide-react';
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function MiniCellPanel({ conn, addToast }) {
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const [exitOffered, setExitOffered] = useState(!!conn.exit_offered);
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const [savingExit, setSavingExit] = useState(false);
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const handleExitToggle = async (newValue) => {
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setSavingExit(true);
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try {
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await cellLinkAPI.setExitOffer(conn.cell_name, newValue);
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setExitOffered(newValue);
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addToast(`Internet sharing ${newValue ? 'offered' : 'withdrawn'}`);
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} catch {
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addToast('Failed to update internet sharing', 'error');
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} finally {
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setSavingExit(false);
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}
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};
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return (
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<div>
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<div role="switch"
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aria-checked={exitOffered}
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aria-label="Share internet"
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onClick={() => !savingExit && handleExitToggle(!exitOffered)}
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data-testid="exit-offer-toggle"
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/>
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<span data-testid="remote-offered-indicator">
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{conn.remote_exit_offered ? `${conn.cell_name} offers internet` : `${conn.cell_name} doesn't offer internet`}
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</span>
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{exitOffered && (
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<p data-testid="offer-hint">
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The {conn.cell_name} admin can route their peers' internet through your connection
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</p>
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)}
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{conn.remote_exit_offered && (
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<p data-testid="remote-hint">
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You can route any local peer's internet through {conn.cell_name}
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</p>
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)}
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</div>
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);
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}
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const baseConn = {
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cell_name: 'office',
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domain: 'office',
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vpn_subnet: '10.1.0.0/24',
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public_key: 'officepubkey=',
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permissions: { inbound: {}, outbound: {} },
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exit_offered: false,
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remote_exit_offered: false,
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online: true,
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};
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describe('CellPanel — Internet Sharing', () => {
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const addToast = vi.fn();
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beforeEach(() => {
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vi.clearAllMocks();
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});
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it('renders toggle off when exit_offered is false', () => {
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render(<MiniCellPanel conn={baseConn} addToast={addToast} />);
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const toggle = screen.getByTestId('exit-offer-toggle');
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expect(toggle).toHaveAttribute('aria-checked', 'false');
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});
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it('renders toggle on when exit_offered is true', () => {
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render(<MiniCellPanel conn={{ ...baseConn, exit_offered: true }} addToast={addToast} />);
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const toggle = screen.getByTestId('exit-offer-toggle');
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expect(toggle).toHaveAttribute('aria-checked', 'true');
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});
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it('calls setExitOffer(true) when toggling on', async () => {
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render(<MiniCellPanel conn={baseConn} addToast={addToast} />);
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fireEvent.click(screen.getByTestId('exit-offer-toggle'));
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await waitFor(() => {
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expect(cellLinkAPI.setExitOffer).toHaveBeenCalledWith('office', true);
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});
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});
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it('calls setExitOffer(false) when toggling off', async () => {
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render(<MiniCellPanel conn={{ ...baseConn, exit_offered: true }} addToast={addToast} />);
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fireEvent.click(screen.getByTestId('exit-offer-toggle'));
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await waitFor(() => {
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expect(cellLinkAPI.setExitOffer).toHaveBeenCalledWith('office', false);
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});
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});
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it('shows offered toast on success', async () => {
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render(<MiniCellPanel conn={baseConn} addToast={addToast} />);
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fireEvent.click(screen.getByTestId('exit-offer-toggle'));
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await waitFor(() => {
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expect(addToast).toHaveBeenCalledWith('Internet sharing offered');
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});
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});
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it('shows error toast on API failure', async () => {
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cellLinkAPI.setExitOffer.mockRejectedValueOnce(new Error('network'));
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render(<MiniCellPanel conn={baseConn} addToast={addToast} />);
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fireEvent.click(screen.getByTestId('exit-offer-toggle'));
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await waitFor(() => {
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expect(addToast).toHaveBeenCalledWith('Failed to update internet sharing', 'error');
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});
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});
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it('shows positive remote indicator when remote_exit_offered is true', () => {
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render(<MiniCellPanel conn={{ ...baseConn, remote_exit_offered: true }} addToast={addToast} />);
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expect(screen.getByTestId('remote-offered-indicator')).toHaveTextContent('office offers internet');
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});
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it('shows negative remote indicator when remote_exit_offered is false', () => {
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render(<MiniCellPanel conn={baseConn} addToast={addToast} />);
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expect(screen.getByTestId('remote-offered-indicator')).toHaveTextContent("office doesn't offer internet");
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});
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it('shows offer hint when exit is offered', async () => {
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render(<MiniCellPanel conn={baseConn} addToast={addToast} />);
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expect(screen.queryByTestId('offer-hint')).toBeNull();
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fireEvent.click(screen.getByTestId('exit-offer-toggle'));
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await waitFor(() => {
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expect(screen.getByTestId('offer-hint')).toBeInTheDocument();
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});
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});
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it('shows remote hint when remote_exit_offered is true', () => {
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render(<MiniCellPanel conn={{ ...baseConn, remote_exit_offered: true }} addToast={addToast} />);
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expect(screen.getByTestId('remote-hint')).toBeInTheDocument();
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});
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});
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/**
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* Tests for the Internet Exit (route-via) selector in Peers.jsx AccessForm.
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*
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* Covers:
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* - Dropdown not rendered when no cells connected
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* - Dropdown renders all connected cells as options
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* - "Direct" option is default when route_via is null
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* - Selecting a cell calls onChange with { route_via: cellName }
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* - Selecting empty string calls onChange with { route_via: null }
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* - Warning shown when selected cell hasn't offered internet
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* - ✓ marker shown for cells that offer internet (remote_exit_offered)
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*/
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import { render, screen, fireEvent } from '@testing-library/react';
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import { vi, describe, it, expect } from 'vitest';
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// Minimal AccessForm-like component that mirrors the Internet Exit section
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function InternetExitSelector({ data, onChange, connectedCells }) {
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if (!connectedCells || connectedCells.length === 0) return null;
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const selectedCell = connectedCells.find(c => c.cell_name === data.route_via);
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return (
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<div>
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<label htmlFor="route-via-select">Internet Exit</label>
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<select
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id="route-via-select"
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value={data.route_via || ''}
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onChange={e => onChange({ route_via: e.target.value || null })}
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data-testid="route-via-select"
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>
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<option value="">Direct (this cell's connection)</option>
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{connectedCells.map(cell => (
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<option key={cell.cell_name} value={cell.cell_name}>
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Via {cell.cell_name}{cell.remote_exit_offered ? ' ✓ offers internet' : ''}
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</option>
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))}
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</select>
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{data.route_via && selectedCell && !selectedCell.remote_exit_offered && (
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<span data-testid="no-offer-warning">
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The selected cell hasn't offered their internet yet.
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</span>
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)}
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</div>
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);
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}
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const CELLS = [
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{ cell_name: 'office', vpn_subnet: '10.1.0.0/24', remote_exit_offered: true },
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{ cell_name: 'home', vpn_subnet: '10.2.0.0/24', remote_exit_offered: false },
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];
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describe('Internet Exit selector (route-via)', () => {
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it('renders nothing when no cells connected', () => {
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const { container } = render(
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<InternetExitSelector data={{ route_via: null }} onChange={vi.fn()} connectedCells={[]} />
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);
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expect(container.firstChild).toBeNull();
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});
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it('renders dropdown with all connected cells', () => {
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render(<InternetExitSelector data={{ route_via: null }} onChange={vi.fn()} connectedCells={CELLS} />);
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const select = screen.getByTestId('route-via-select');
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expect(select).toBeInTheDocument();
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expect(screen.getByText('Direct (this cell\'s connection)')).toBeInTheDocument();
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expect(screen.getByText(/Via office/)).toBeInTheDocument();
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expect(screen.getByText(/Via home/)).toBeInTheDocument();
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});
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it('defaults to empty (Direct) when route_via is null', () => {
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render(<InternetExitSelector data={{ route_via: null }} onChange={vi.fn()} connectedCells={CELLS} />);
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expect(screen.getByTestId('route-via-select').value).toBe('');
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});
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it('selects the correct cell when route_via is set', () => {
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render(<InternetExitSelector data={{ route_via: 'office' }} onChange={vi.fn()} connectedCells={CELLS} />);
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expect(screen.getByTestId('route-via-select').value).toBe('office');
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});
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it('calls onChange with route_via=cellName on selection', () => {
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const onChange = vi.fn();
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render(<InternetExitSelector data={{ route_via: null }} onChange={onChange} connectedCells={CELLS} />);
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fireEvent.change(screen.getByTestId('route-via-select'), { target: { value: 'office' } });
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expect(onChange).toHaveBeenCalledWith({ route_via: 'office' });
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});
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it('calls onChange with route_via=null when Direct selected', () => {
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const onChange = vi.fn();
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render(<InternetExitSelector data={{ route_via: 'office' }} onChange={onChange} connectedCells={CELLS} />);
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fireEvent.change(screen.getByTestId('route-via-select'), { target: { value: '' } });
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expect(onChange).toHaveBeenCalledWith({ route_via: null });
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});
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it('marks cells that offer internet with ✓', () => {
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render(<InternetExitSelector data={{ route_via: null }} onChange={vi.fn()} connectedCells={CELLS} />);
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const officeOption = screen.getByText(/Via office/);
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expect(officeOption.textContent).toContain('✓ offers internet');
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const homeOption = screen.getByText(/Via home/);
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expect(homeOption.textContent).not.toContain('✓');
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});
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it('shows warning when selected cell has not offered internet', () => {
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render(<InternetExitSelector data={{ route_via: 'home' }} onChange={vi.fn()} connectedCells={CELLS} />);
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expect(screen.getByTestId('no-offer-warning')).toBeInTheDocument();
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});
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it('does not show warning when selected cell has offered internet', () => {
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render(<InternetExitSelector data={{ route_via: 'office' }} onChange={vi.fn()} connectedCells={CELLS} />);
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expect(screen.queryByTestId('no-offer-warning')).toBeNull();
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});
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});
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