nexo/apps/flutter-test/integration_test/plugin_integration_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';
import 'package:nexo_messaging/nexo_messaging.dart';
import 'package:nexo_client/main.dart';

void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('singleton instance is accessible', (WidgetTester tester) async {
    expect(NexoMessagingPlugin.instance, isNotNull);
    expect(
      NexoMessagingPlugin.notificationChannelName,
      'com.tokilabs.nexo.messaging/notifications',
    );
    expect(
      NexoMessagingPlugin.actionChannelName,
      'com.tokilabs.nexo.messaging/notification_actions',
    );
  });

  testWidgets('native debug event reaches harness routing UI (channel)', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const MyApp(initializePlugin: false));

    NexoMessagingPlugin.instance.listenNativeChannelForTesting();
    await NexoMessagingPlugin.instance.debugSendNativeEventForTesting(const {
      'type': PushNotificationType.opened,
      'server_url': 'https://nexo.example.com',
      'channel_id': 'channel-integration',
    });

    await tester.pumpAndSettle();

    expect(find.textContaining('Last notification:'), findsOneWidget);
    expect(find.textContaining('channel-integration'), findsWidgets);
    expect(
      find.text(
        'Last opened: server_url: https://nexo.example.com, channel_id: channel-integration, root_id: null, is_crt_enabled: false',
      ),
      findsOneWidget,
    );
    expect(
      find.text(
        'Last navigation: channel:https://nexo.example.com/channel-integration',
      ),
      findsOneWidget,
    );

    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('native debug event reaches harness routing UI (thread/CRT)', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const MyApp(initializePlugin: false));

    NexoMessagingPlugin.instance.listenNativeChannelForTesting();
    await NexoMessagingPlugin.instance.debugSendNativeEventForTesting(const {
      'type': PushNotificationType.opened,
      'server_url': 'https://nexo.example.com',
      'channel_id': 'channel-integration',
      'root_id': 'root-integration',
      'is_crt_enabled': 'true',
    });

    await tester.pumpAndSettle();

    expect(find.textContaining('Last notification:'), findsOneWidget);
    expect(find.textContaining('root-integration'), findsWidgets);
    expect(
      find.text(
        'Last opened: server_url: https://nexo.example.com, channel_id: channel-integration, root_id: root-integration, is_crt_enabled: true',
      ),
      findsOneWidget,
    );
    expect(
      find.text(
        'Last navigation: thread:https://nexo.example.com/root-integration',
      ),
      findsOneWidget,
    );

    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('native debug event reaches harness routing UI (boolean CRT)', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const MyApp(initializePlugin: false));

    NexoMessagingPlugin.instance.listenNativeChannelForTesting();
    await NexoMessagingPlugin.instance.debugSendNativeEventForTesting(const {
      'type': PushNotificationType.opened,
      'server_url': 'https://nexo.example.com',
      'channel_id': 'channel-integration',
      'root_id': 'root-integration',
      'is_crt_enabled': true,
    });

    await tester.pumpAndSettle();

    expect(
      find.text(
        'Last opened: server_url: https://nexo.example.com, channel_id: channel-integration, root_id: root-integration, is_crt_enabled: true',
      ),
      findsOneWidget,
    );
    expect(
      find.text(
        'Last navigation: thread:https://nexo.example.com/root-integration',
      ),
      findsOneWidget,
    );

    await tester.pumpWidget(const SizedBox.shrink());
  });
}