Add integration test for PlaylistDownloader and update test_cli_flags

tests/integration_playlist_test.py

@@ -0,0 +1,51 @@
+"""
+Integration test (opt-in):
+- Set environment variable INTEGRATION_TEST=1
+- Set TEST_PLAYLIST_URL to a small public playlist (1-3 items) for testing
+This test will only fetch the playlist JSON via yt-dlp (no downloads).
+"""
+import os
+import sys
+import logging
+
+if not os.getenv("INTEGRATION_TEST"):
+    print("Skipping integration test (set INTEGRATION_TEST=1 to enable)")
+    sys.exit(0)
+
+from ytplaylist.downloader import PlaylistDownloader
+
+logging.basicConfig(level=logging.INFO, format='%(levelname)s:%(message)s')
+
+playlist_url = os.getenv("TEST_PLAYLIST_URL")
+if not playlist_url:
+    print("Please set TEST_PLAYLIST_URL to a public YouTube playlist URL for integration testing")
+    sys.exit(1)
+
+# build a small temporary config-like object
+class TempConfig:
+    yt_dlp_path = os.getenv("YTDLP_PATH", "yt-dlp")
+    ffmpeg_path = os.getenv("FFMPEG_PATH", "ffmpeg")
+    aria2c_path = os.getenv("ARIA2C_PATH", "aria2c")
+    max_parallel_downloads = 2
+    aria2c_connections = 2
+    download_mode = "audio"
+    max_video_quality = "1080p"
+
+cfg = TempConfig()
+pl = {"url": playlist_url, "save_path": "./tmp_integration", "archive": "archive.txt"}
+
+d = PlaylistDownloader(cfg, pl, 0)
+entries = d.fetch_videos()
+print(f"Fetched {len(entries)} entries")
+if len(entries) == 0:
+    print("No entries fetched; either playlist is empty or fetch failed")
+    sys.exit(2)
+
+# verify sanitize and renumber mapping logic
+sample = entries[:2]
+for i, e in enumerate(sample, start=1):
+    title = e.get('title', '')
+    safe = d.sanitize_title(title, e.get('id'))
+    print(f"{i}: {title} -> {safe}")
+
+print('Integration test completed successfully')

tests/test_cli_flags.py

@@ -3,11 +3,13 @@ from ytplaylist.manager import PlaylistManager
 
 class test:
     playlists=[{"url": None, "save_path":"./tmp_test", "archive":"archive.txt"}]
-    yt_dlp_path="yt-dlp"
+    yt_dlp_path="./bin/yt-dlp"
-    ffmpeg_path="ffmpeg"
+    ffmpeg_path="./bin/ffmpeg"
-    aria2c_path="aria2c"
+    aria2c_path="./bin/ aria2c"
     max_parallel_downloads=2
     aria2c_connections=2
+    download_mode = "audio"
+    max_video_quality = "1080p"
     debug=False
     non_interactive=False
     prune=False