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Merge pull request #36 from yosemiteyss/feat/integration_test
add integration test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| import 'package:flutter_test/flutter_test.dart'; | ||
| import 'package:flutter_volume_controller/flutter_volume_controller.dart'; | ||
| import 'package:integration_test/integration_test.dart'; | ||
| import 'package:flutter/material.dart'; | ||
|
|
||
| void main() { | ||
| IntegrationTestWidgetsFlutterBinding.ensureInitialized(); | ||
|
|
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| setUp(() { | ||
| runApp(const MaterialApp()); | ||
| }); | ||
|
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| testWidgets('should get volume', (tester) async { | ||
| final volume = await FlutterVolumeController.getVolume(); | ||
| expect(volume, isNotNull); | ||
| }); | ||
|
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| testWidgets('should set volume', (tester) async { | ||
| const List<double> targets = [1.0, 0.0]; | ||
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| for (final target in targets) { | ||
| await FlutterVolumeController.setVolume(target); | ||
| await _insertDelay(); | ||
|
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| final actual = await FlutterVolumeController.getVolume(); | ||
| expect(actual, target); | ||
| } | ||
| }); | ||
|
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| testWidgets('should raise volume', (tester) async { | ||
| const before = 0.2; | ||
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| await FlutterVolumeController.setVolume(before); | ||
| await _insertDelay(); | ||
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| await FlutterVolumeController.raiseVolume(0.5); | ||
| await _insertDelay(); | ||
|
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| final actual = await FlutterVolumeController.getVolume(); | ||
| expect(actual, greaterThan(before)); | ||
| }); | ||
|
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| testWidgets('should lower volume', (tester) async { | ||
| const before = 0.8; | ||
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| await FlutterVolumeController.setVolume(before); | ||
| await _insertDelay(); | ||
|
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| await FlutterVolumeController.lowerVolume(0.5); | ||
| await _insertDelay(); | ||
|
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| final actual = await FlutterVolumeController.getVolume(); | ||
| expect(actual, lessThan(before)); | ||
| }); | ||
|
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| testWidgets('should get mute', (tester) async { | ||
| final isMuted = await FlutterVolumeController.getMute(); | ||
| expect(isMuted, isNotNull); | ||
| }); | ||
|
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| testWidgets('should set mute', (tester) async { | ||
| const List<bool> targets = [true, false]; | ||
|
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| for (final target in targets) { | ||
| await FlutterVolumeController.setMute(target); | ||
| await _insertDelay(); | ||
|
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| final actual = await FlutterVolumeController.getMute(); | ||
| expect(actual, target); | ||
| } | ||
| }); | ||
|
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| testWidgets('should toggle mute', (tester) async { | ||
| const target = true; | ||
|
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| await FlutterVolumeController.setMute(!target); | ||
| await _insertDelay(); | ||
|
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| await FlutterVolumeController.toggleMute(); | ||
| await _insertDelay(); | ||
|
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| final actual = await FlutterVolumeController.getMute(); | ||
| expect(actual, target); | ||
| }); | ||
|
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| /// TODO: add test for [FlutterVolumeController.setAndroidAudioStream]. | ||
| /// TODO: add test for [FlutterVolumeController.setIOSAudioSessionCategory]. | ||
| testWidgets('should receive volume event after adding listener', | ||
| (tester) async { | ||
| final List<double> targets = [0.0, 1.0, 0.0, 1.0, 0.0]; | ||
| final List<double> actual = []; | ||
|
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| await FlutterVolumeController.setVolume(targets[0]); | ||
| await _insertDelay(); | ||
|
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| FlutterVolumeController.addListener(actual.add); | ||
|
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| for (final target in targets) { | ||
| await FlutterVolumeController.setVolume(target); | ||
| await _insertDelay(); | ||
| } | ||
|
|
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| expect(actual, targets); | ||
| }); | ||
|
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| testWidgets('should receive no new volume event after removing listener', | ||
| (tester) async { | ||
| final List<double> targets = [0.0, 1.0, 0.0]; | ||
| final List<double> actual = []; | ||
|
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| await FlutterVolumeController.setVolume(targets[0]); | ||
| await _insertDelay(); | ||
|
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| FlutterVolumeController.addListener(actual.add); | ||
|
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| for (final target in targets) { | ||
| await FlutterVolumeController.setVolume(target); | ||
| await _insertDelay(); | ||
| } | ||
|
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| expect(actual, targets); | ||
|
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| FlutterVolumeController.removeListener(); | ||
|
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| await FlutterVolumeController.setVolume(1.0); | ||
| await _insertDelay(); | ||
|
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| expect(actual, targets); | ||
| }); | ||
| } | ||
|
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| Future<void> _insertDelay() async { | ||
| await Future.delayed(const Duration(milliseconds: 50)); | ||
| } |
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