mumbullet/test/integration/downloader_integration_test.dart

257 lines
9.2 KiB
Dart

import 'dart:io';
import 'package:test/test.dart';
import 'package:path/path.dart' as path;
import 'package:mumbullet/src/audio/downloader.dart';
import 'package:mumbullet/src/command/command_handler.dart';
import 'package:mumbullet/src/config/config.dart';
import 'package:mumbullet/src/storage/database.dart';
void main() {
group('Downloader Integration Tests', () {
late YoutubeDownloader downloader;
late DatabaseManager database;
late BotConfig config;
late Directory tempDir;
late String tempDbPath;
setUpAll(() async {
// Check if yt-dlp is available
try {
final result = await Process.run('yt-dlp', ['--version']);
if (result.exitCode != 0) {
throw Exception('yt-dlp not available');
}
} catch (e) {
print('Skipping yt-dlp tests: yt-dlp not found in PATH');
return;
}
});
setUp(() async {
// Create temporary directory for cache
tempDir = await Directory.systemTemp.createTemp('mumbullet_integration_');
// Create temporary database
tempDbPath = path.join(tempDir.path, 'test.db');
// Create test configuration
config = BotConfig(
commandPrefix: '!',
defaultPermissionLevel: 1,
maxQueueSize: 10,
cacheDirectory: tempDir.path,
maxCacheSizeGb: 0.1, // 100MB for testing
);
// Initialize database
database = DatabaseManager(tempDbPath);
// Create downloader
downloader = YoutubeDownloader(config, database);
});
tearDown(() async {
// Clean up
try {
database.close();
} catch (e) {
// Ignore close errors
}
if (tempDir.existsSync()) {
await tempDir.delete(recursive: true);
}
});
group('Real YouTube Downloads', () {
test('should successfully download the test YouTube video', () async {
const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw'; // "Me at the zoo"
final song = await downloader.download(testUrl);
// Verify the download worked
expect(song.url, equals(testUrl));
expect(song.title, equals('Me at the zoo'));
expect(song.duration, equals(19));
expect(song.filePath, isNotEmpty);
expect(song.id, greaterThan(0));
// Verify the file exists and has content
final file = File(song.filePath);
expect(file.existsSync(), isTrue);
expect(file.lengthSync(), greaterThan(1000000)); // Should be > 1MB
print('✓ Successfully downloaded: ${song.title} (${song.duration}s)');
print(' File: ${song.filePath} (${(file.lengthSync() / 1024 / 1024).toStringAsFixed(1)} MB)');
}, timeout: Timeout(Duration(minutes: 2)));
test('should handle different YouTube URL formats for same video', () async {
final testUrls = [
'https://www.youtube.com/watch?v=jNQXAC9IVRw',
'https://youtu.be/jNQXAC9IVRw',
'https://m.youtube.com/watch?v=jNQXAC9IVRw',
];
final songs = <Song>[];
for (final url in testUrls) {
final song = await downloader.download(url);
songs.add(song);
expect(song.title, equals('Me at the zoo'));
expect(song.duration, equals(19));
print('✓ URL format test: $url -> ${song.title}');
}
// All should have the same title and duration
for (final song in songs) {
expect(song.title, equals(songs.first.title));
expect(song.duration, equals(songs.first.duration));
}
}, timeout: Timeout(Duration(minutes: 4)));
test('should properly cache downloads', () async {
const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
// First download - should take time
final stopwatch1 = Stopwatch()..start();
final song1 = await downloader.download(testUrl);
stopwatch1.stop();
// Second download - should be much faster (cached)
final stopwatch2 = Stopwatch()..start();
final song2 = await downloader.download(testUrl);
stopwatch2.stop();
// Verify same song returned
expect(song1.id, equals(song2.id));
expect(song1.filePath, equals(song2.filePath));
expect(song1.title, equals(song2.title));
// Second call should be much faster
expect(stopwatch2.elapsedMilliseconds, lessThan(stopwatch1.elapsedMilliseconds ~/ 3));
print('✓ Cache test: First download: ${stopwatch1.elapsedMilliseconds}ms, Second: ${stopwatch2.elapsedMilliseconds}ms');
}, timeout: Timeout(Duration(minutes: 3)));
});
group('Error Handling', () {
test('should handle invalid YouTube URLs', () async {
final invalidUrls = [
'https://www.youtube.com/watch?v=InvalidVideoId123456',
'https://www.youtube.com/watch?v=',
'not-a-url-at-all',
'https://invalid-domain.com/video',
];
for (final url in invalidUrls) {
try {
await downloader.download(url);
fail('Should have thrown exception for invalid URL: $url');
} catch (e) {
expect(e, isA<Exception>());
print('✓ Correctly rejected invalid URL: $url');
}
}
});
test('should handle network issues gracefully', () async {
// This URL should timeout or fail
const problematicUrl = 'https://httpstat.us/500';
try {
await downloader.download(problematicUrl);
fail('Should have thrown exception for problematic URL');
} catch (e) {
expect(e, isA<Exception>());
print('✓ Correctly handled network issue: ${e.toString()}');
}
}, timeout: Timeout(Duration(seconds: 30)));
});
group('Cache Management', () {
test('should provide accurate cache statistics', () async {
// Initially empty
final initialStats = await downloader.getCacheStats();
expect(initialStats['songCount'], equals(0));
expect(initialStats['totalSizeBytes'], equals(0));
// Download a video
const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
final song = await downloader.download(testUrl);
// Check updated stats
final updatedStats = await downloader.getCacheStats();
expect(updatedStats['songCount'], equals(1));
expect(updatedStats['totalSizeBytes'], greaterThan(1000000)); // > 1MB
// Verify file size matches
final file = File(song.filePath);
expect(updatedStats['totalSizeBytes'], equals(file.lengthSync()));
print('✓ Cache stats: ${updatedStats['songCount']} songs, ${updatedStats['totalSizeMb']} MB');
}, timeout: Timeout(Duration(minutes: 2)));
test('should clear cache completely', () async {
// Download a video
const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
final song = await downloader.download(testUrl);
final filePath = song.filePath;
// Verify file exists
expect(File(filePath).existsSync(), isTrue);
// Clear cache
await downloader.clearCache();
// Verify cache is empty
final statsAfter = await downloader.getCacheStats();
expect(statsAfter['songCount'], equals(0));
expect(statsAfter['totalSizeBytes'], equals(0));
// Verify file was deleted
expect(File(filePath).existsSync(), isFalse);
print('✓ Cache cleared successfully');
}, timeout: Timeout(Duration(minutes: 2)));
test('should handle missing cached files gracefully', () async {
const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
// Download a video
final song1 = await downloader.download(testUrl);
final originalPath = song1.filePath;
// Manually delete the file
await File(originalPath).delete();
// Try to download again - should re-download
final song2 = await downloader.download(testUrl);
// Should have same metadata but new file
expect(song2.title, equals(song1.title));
expect(song2.duration, equals(song1.duration));
expect(File(song2.filePath).existsSync(), isTrue);
print('✓ Re-download after file deletion: ${song2.title}');
}, timeout: Timeout(Duration(minutes: 3)));
});
group('URL Extraction', () {
test('should extract URLs from HTML anchor tags', () async {
const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
const htmlInput = '<a href="$testUrl">YouTube Video</a>';
// Test the regex pattern used in command handler
final aTagRegex = RegExp(r'<a\s+href="([^"]+)"[^>]*>.*?</a>', caseSensitive: false);
final match = aTagRegex.firstMatch(htmlInput);
expect(match, isNotNull);
expect(match!.group(1), equals(testUrl));
print('✓ HTML URL extraction works correctly');
});
});
}, skip: Platform.environment['SKIP_INTEGRATION_TESTS'] == 'true');
}