platform/sandbox/eventbus/test/respond_test.dart
2024-11-12 01:00:05 -07:00

74 lines
1.7 KiB
Dart

// ignore_for_file: prefer_const_constructors
import 'dart:async';
import 'dart:developer';
import 'package:event_bus_plus/event_bus_plus.dart';
import 'package:given_when_then_unit_test/given_when_then_unit_test.dart';
import 'package:test/expect.dart';
import 'package:test/scaffolding.dart';
import 'models.dart';
void main() {
late IEventBus bus;
before(() {
bus = EventBus();
});
test('emit Some Event', () {
final ctrl = StreamController();
final sub = bus.respond<NewCommentEvent>((event) {
log('new comment');
ctrl.add(2);
}).respond<FollowAppEvent>((event) {
log('new follower');
ctrl.add(1);
});
expect(ctrl.stream, emitsInOrder([1, 2]));
bus.fire(FollowAppEvent('username'));
bus.fire(NewCommentEvent('comment #1'));
});
test('emit Some Events', () {
final ctrl = StreamController();
final sub = bus.respond<NewCommentEvent>((event) {
log('new comment');
ctrl.add(2);
}).respond<FollowAppEvent>((event) {
log('new follower');
ctrl.add(1);
});
expect(ctrl.stream, emitsInOrder([1, 2, 1]));
bus.fire(FollowAppEvent('username'));
bus.fire(NewCommentEvent('comment #1'));
bus.fire(FollowAppEvent('username2'));
});
test('emit all Event', () {
final ctrl = StreamController();
final sub = bus.respond<NewCommentEvent>((event) {
log('new comment');
ctrl.add(2);
}).respond<FollowAppEvent>((event) {
log('new follower');
ctrl.add(1);
}).respond((event) {
log('event $event');
ctrl.add(3);
});
expect(ctrl.stream, emitsInOrder([1, 3, 3, 2, 3, 3]));
bus.fire(FollowAppEvent('username'));
bus.fire(NewCommentEvent('comment #1'));
});
}