73 lines
2.5 KiB
Dart
73 lines
2.5 KiB
Dart
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:halkyon_app/halkyon_app.dart';
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/// The device's speech recognition through `speech_to_text`, its platform
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/// channel answering as Android does: a phone without a recogniser
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/// installed (GrapheneOS has none) fails with a PlatformException, which
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/// left the microphone doing nothing and stuck listening (4 Nov 2026).
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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const channel = MethodChannel('plugin.csdcorp.com/speech_to_text');
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late List<MethodCall> calls;
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void answer(Object? Function(MethodCall call) answers) {
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calls = [];
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(channel, (call) async {
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calls.add(call);
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return answers(call);
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});
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}
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tearDown(
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() => TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(channel, null),
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);
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Future<SpeechStart> listen() => DeviceSpeechInput().listen(
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language: 'en',
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onWords: (_) {},
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onDone: () => fail('nothing was heard'),
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);
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test('without a recogniser installed, it says so, asking for no '
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'Bluetooth permission', () async {
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answer(
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(call) => throw PlatformException(
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code: 'recognizerNotAvailable',
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message: 'Speech recognition not available on this device',
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),
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);
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expect(await listen(), SpeechStart.noRecognizer);
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final initialize = calls.single;
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expect(initialize.method, 'initialize');
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expect(
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(initialize.arguments as Map<Object?, Object?>)['noBluetooth'],
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isTrue,
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);
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});
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test('any other failure, it says it cannot listen now', () async {
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answer((call) => throw PlatformException(code: 'missingContext'));
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expect(await listen(), SpeechStart.unavailable);
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});
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test('the microphone refused, it says it cannot listen now', () async {
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answer((call) => call.method == 'initialize' ? false : null);
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expect(await listen(), SpeechStart.unavailable);
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});
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// Last: `speech_to_text` keeps one instance, initialised from here on.
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test('a listen that fails to start says it cannot listen now', () async {
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answer(
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(call) => switch (call.method) {
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'initialize' => true,
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'locales' => <Object?>[],
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'listen' => throw PlatformException(code: 'listenFailed'),
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_ => null,
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},
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);
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expect(await listen(), SpeechStart.unavailable);
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});
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}
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