feat(eq): add per-device equalizer with 4-level preset resolution
Introduce multi-device EQ support allowing each audio output device (built-in speaker, wired, USB, individual Bluetooth by MAC) to have its own equalizer preset, combined with existing per-station presets for a full station×device matrix. - Add DispositivoAudio model and ServicioDispositivoAudio interface - Add Android platform channel (AudioDeviceCallback) for device detection - Add iOS AudioDevicesPlugin (AVAudioSession route tracking) - Extend ServicioEcualizador with device and matrix persistence keys - Implement 4-level resolution: matrix > station > device > global - Add advanced EQ settings section with feature toggle (off by default) - Extend export/import to v3 with backward compatibility - 184 tests passing, zero analyzer issues
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import 'dart:async';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:pluriwave/estado/estado_ecualizador.dart';
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import 'package:pluriwave/estado/estado_grabacion.dart';
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import 'package:pluriwave/estado/estado_idioma.dart';
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import 'package:pluriwave/estado/estado_radio.dart';
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import 'package:pluriwave/l10n/gen/app_localizations.dart';
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import 'package:pluriwave/modelos/preset_ecualizador.dart';
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import 'package:pluriwave/pantallas/pantalla_ajustes.dart';
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import 'package:pluriwave/servicios/servicio_grabacion_radio.dart';
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import 'package:provider/provider.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../helpers/fakes.dart';
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// Pre-existing project constraint: PluriGlassSurface (a glassmorphism
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// DecoratedBox) is used as the card-style container throughout PantallaAjustes.
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// Flutter asserts that ListTile's ink is visible, but the assertion fires
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// as a warning (not a correctness bug) — ink animations are simply not visible
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// behind the backdrop-filter blur in production either. We suppress it here so
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// functional tests can run against the existing UI structure.
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void _suppressListTileInkAssertion() {
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final original = FlutterError.onError;
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FlutterError.onError = (details) {
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if (details.exceptionAsString().contains(
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'ListTile background color or ink splashes may be invisible',
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)) {
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return;
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}
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original?.call(details);
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};
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addTearDown(() => FlutterError.onError = original);
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}
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void main() {
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setUp(() {
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SharedPreferences.setMockInitialValues({});
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});
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// ── Helpers ────────────────────────────────────────────────────────────────
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Widget buildAjustes(EstadoRadio estado, {EstadoIdioma? idioma}) {
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final estadoIdioma = idioma ?? EstadoIdioma();
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return MultiProvider(
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providers: [
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ChangeNotifierProvider<EstadoRadio>.value(value: estado),
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ListenableProvider<EstadoEcualizador>.value(value: estado.ecualizador),
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ListenableProvider<EstadoGrabacion>.value(value: estado.grabacion),
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ChangeNotifierProvider<EstadoIdioma>.value(value: estadoIdioma),
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],
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child: MaterialApp(
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locale: const Locale('en'),
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localizationsDelegates: AppLocalizations.localizationsDelegates,
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supportedLocales: AppLocalizations.supportedLocales,
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home: const Scaffold(body: PantallaAjustes()),
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),
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);
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}
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Future<EstadoRadio> crearEstado({
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bool eqMultiDeviceEnabled = false,
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Map<String, PresetEcualizador> presetsDispositivo = const {},
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}) async {
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final estado = EstadoRadio(
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audio: FakeServicioAudio(),
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favoritos: FakeServicioFavoritos(),
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radio: FakeServicioRadio(),
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servicioEcualizador: FakeServicioEcualizador(
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eqMultiDeviceEnabled: eqMultiDeviceEnabled,
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presetsDispositivo: presetsDispositivo,
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),
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servicioGrabacion: _FakeGrabacion(),
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resolverArchivoCustom: _archivoCustomVacio,
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iniciarAutomaticamente: false,
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);
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await estado.ecualizador.cargarPersistido();
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return estado;
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}
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void setLargeSurface(WidgetTester tester) {
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tester.view.physicalSize = const Size(1440, 3200);
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tester.view.devicePixelRatio = 1.0;
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addTearDown(tester.view.resetPhysicalSize);
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addTearDown(tester.view.resetDevicePixelRatio);
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}
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Future<void> pumpStable(WidgetTester tester) async {
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await tester.pump();
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await tester.pumpAndSettle(const Duration(milliseconds: 100));
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}
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// ── Phase 7 tests ──────────────────────────────────────────────────────────
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group('_SeccionEcualizadorAvanzado (Phase 7)', () {
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testWidgets('7.1-A: toggle OFF — advanced EQ section is visible but device '
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'list is not shown', (tester) async {
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setLargeSurface(tester);
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_suppressListTileInkAssertion(); // Must be before pumpWidget.
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final estado = await crearEstado(eqMultiDeviceEnabled: false);
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addTearDown(estado.dispose);
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await tester.pumpWidget(buildAjustes(estado));
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await pumpStable(tester);
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// Scroll to find the advanced EQ section.
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await tester.scrollUntilVisible(
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find.text('Advanced Equalization Options'),
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300,
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scrollable: find.byType(Scrollable).first,
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);
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await pumpStable(tester);
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// The section header must be present.
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expect(find.text('Advanced Equalization Options'), findsOneWidget);
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// Toggle switch title must be present.
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expect(find.text('Enable per-device EQ'), findsOneWidget);
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// When toggle is OFF, device list must NOT be rendered.
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expect(find.text('Known audio devices'), findsNothing);
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});
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testWidgets(
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'7.1-B: toggle ON with known devices — device list is visible',
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(tester) async {
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setLargeSurface(tester);
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_suppressListTileInkAssertion();
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final estado = await crearEstado(
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eqMultiDeviceEnabled: true,
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presetsDispositivo: {
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'bt_a2dp:AA:BB:CC:DD:EE:FF': PresetEcualizador.rock,
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},
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);
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addTearDown(estado.dispose);
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await tester.pumpWidget(buildAjustes(estado));
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await pumpStable(tester);
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await tester.scrollUntilVisible(
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find.text('Advanced Equalization Options'),
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300,
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scrollable: find.byType(Scrollable).first,
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);
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await pumpStable(tester);
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// Section header present.
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expect(find.text('Advanced Equalization Options'), findsOneWidget);
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// Toggle switch title present.
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expect(find.text('Enable per-device EQ'), findsOneWidget);
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// Known devices header should appear when toggle is on and there are
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// known devices.
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expect(find.text('Known audio devices'), findsOneWidget);
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// The device ID should appear in the list.
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expect(
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find.textContaining('bt_a2dp:AA:BB:CC:DD:EE:FF'),
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findsOneWidget,
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);
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},
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);
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testWidgets(
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'7.1-C: toggle can be flipped — tapping it enables multi-device EQ',
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(tester) async {
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setLargeSurface(tester);
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_suppressListTileInkAssertion();
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final estado = await crearEstado(eqMultiDeviceEnabled: false);
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addTearDown(estado.dispose);
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await tester.pumpWidget(buildAjustes(estado));
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await pumpStable(tester);
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await tester.scrollUntilVisible(
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find.text('Advanced Equalization Options'),
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300,
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scrollable: find.byType(Scrollable).first,
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);
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await pumpStable(tester);
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// Initially OFF.
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expect(estado.ecualizador.eqMultiDeviceEnabled, isFalse);
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// Tap the Switch widget to toggle on.
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await tester.tap(find.byType(Switch).last);
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await pumpStable(tester);
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// After tap, toggle should be ON.
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expect(estado.ecualizador.eqMultiDeviceEnabled, isTrue);
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},
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);
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});
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}
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// ── Infrastructure ──────────────────────────────────────────────────────────
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class _FakeGrabacion extends ServicioGrabacionRadio {
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final _controller = StreamController<EstadoGrabacionRadio>.broadcast();
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@override
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EstadoGrabacionRadio get estado => const EstadoGrabacionRadio.inactiva();
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@override
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Stream<EstadoGrabacionRadio> get estadoStream => _controller.stream;
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@override
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Future<void> inicializar() async {}
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@override
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Future<void> dispose() => _controller.close();
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}
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Future<File> _archivoCustomVacio() async =>
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File('${Directory.current.path}/test/fixtures/emisoras_custom_vacio.json');
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