platform/packages/sync/example/main.dart
2024-10-12 18:45:27 -07:00

101 lines
3 KiB
Dart

import 'dart:isolate';
import 'package:protevus_framework/protevus_framework.dart';
import 'package:protevus_framework/http.dart';
import 'package:protevus_sync/protevus_sync.dart';
import 'package:protevus_test/protevus_test.dart';
import 'package:protevus_websocket/io.dart' as client;
import 'package:protevus_websocket/server.dart';
import 'package:belatuk_pub_sub/isolate.dart' as pub_sub;
import 'package:belatuk_pub_sub/belatuk_pub_sub.dart' as pub_sub;
import 'package:test/test.dart';
void main() {
late Protevus app1, app2;
late TestClient app1Client;
late client.WebSockets app2Client;
late pub_sub.Server server;
late ReceivePort app1Port, app2Port;
setUp(() async {
var adapter = pub_sub.IsolateAdapter();
server = pub_sub.Server([
adapter,
])
..registerClient(const pub_sub.ClientInfo('angel_sync1'))
..registerClient(const pub_sub.ClientInfo('angel_sync2'))
..start();
app1 = Protevus();
app2 = Protevus();
app1.post('/message', (req, res) async {
// Manually broadcast. Even though app1 has no clients, it *should*
// propagate to app2.
var ws = req.container!.make<ProtevusWebSocket>();
//var body = await req.parseBody();
var body = {};
await ws.batchEvent(WebSocketEvent(
eventName: 'message',
data: body['message'],
));
return 'Sent: ${body['message']}';
});
app1Port = ReceivePort();
var ws1 = ProtevusWebSocket(
app1,
synchronizationChannel: PubSubSynchronizationChannel(
pub_sub.IsolateClient('angel_sync1', adapter.receivePort.sendPort),
),
);
await app1.configure(ws1.configureServer);
app1.get('/ws', ws1.handleRequest);
app1Client = await connectTo(app1);
app2Port = ReceivePort();
var ws2 = ProtevusWebSocket(
app2,
synchronizationChannel: PubSubSynchronizationChannel(
pub_sub.IsolateClient('angel_sync2', adapter.receivePort.sendPort),
),
);
await app2.configure(ws2.configureServer);
app2.get('/ws', ws2.handleRequest);
var http = ProtevusHttp(app2);
await http.startServer();
var wsPath =
http.uri.replace(scheme: 'ws', path: '/ws').removeFragment().toString();
print(wsPath);
app2Client = client.WebSockets(wsPath);
await app2Client.connect();
});
tearDown(() {
server.close();
app1Port.close();
app2Port.close();
app1.close();
app2.close();
app1Client.close();
app2Client.close();
});
test('events propagate', () async {
// The point of this test is that neither app1 nor app2
// is aware that the other even exists.
//
// Regardless, a WebSocket event broadcast in app1 will be
// broadcast by app2 as well.
var stream = app2Client.on['message'];
var response = await app1Client
.post(Uri.parse('/message'), body: {'message': 'Hello, world!'});
print('app1 response: ${response.body}');
var msg = await stream.first.timeout(const Duration(seconds: 5));
print('app2 got message: ${msg.data}');
});
}