544 lines
19 KiB
Python
544 lines
19 KiB
Python
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"""Tests for Playlist Membership Manager.
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Comprehensive test suite for the playlist management system including:
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- Cache thread-safety and operations
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- Worker thread loading and API integration
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- Dialog UI state management
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- Transaction rollback on errors
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"""
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import threading
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import unittest
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from unittest.mock import Mock, patch
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from PySide6 import QtCore, QtWidgets
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from tidalapi import Session, Track
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from tidal_dl_ng.gui.playlist_membership import (
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PlaylistCellState,
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PlaylistColumnDelegate,
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PlaylistContextLoader,
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ThreadSafePlaylistCache,
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)
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from tidal_dl_ng.ui.dialog_playlist_manager import PlaylistManagerDialog
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class TestThreadSafePlaylistCache(unittest.TestCase):
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"""Tests for ThreadSafePlaylistCache.
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Verifies thread-safety, O(1) performance, and data integrity.
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"""
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def setUp(self) -> None:
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"""Set up test fixtures."""
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self.cache = ThreadSafePlaylistCache()
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def test_add_track_to_playlist(self) -> None:
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"""Test adding a track to a playlist."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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playlists = self.cache.get_playlists_for_track("track_1")
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self.assertIn("playlist_1", playlists)
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def test_remove_track_from_playlist(self) -> None:
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"""Test removing a track from a playlist."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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self.cache.remove_track_from_playlist("track_1", "playlist_1")
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playlists = self.cache.get_playlists_for_track("track_1")
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self.assertNotIn("playlist_1", playlists)
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def test_is_track_in_playlist(self) -> None:
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"""Test checking if track is in playlist."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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self.assertTrue(self.cache.is_track_in_playlist("track_1", "playlist_1"))
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self.assertFalse(self.cache.is_track_in_playlist("track_1", "playlist_2"))
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def test_get_nonexistent_track(self) -> None:
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"""Test getting playlists for nonexistent track returns empty set."""
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playlists = self.cache.get_playlists_for_track("nonexistent")
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self.assertEqual(playlists, set())
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def test_multiple_playlists_per_track(self) -> None:
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"""Test track can be in multiple playlists."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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self.cache.add_track_to_playlist("track_1", "playlist_2")
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self.cache.add_track_to_playlist("track_1", "playlist_3")
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playlists = self.cache.get_playlists_for_track("track_1")
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self.assertEqual(len(playlists), 3)
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self.assertIn("playlist_1", playlists)
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self.assertIn("playlist_2", playlists)
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self.assertIn("playlist_3", playlists)
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def test_concurrent_reads_no_deadlock(self) -> None:
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"""Test concurrent reads don't cause deadlock."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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results = []
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def read_cache() -> None:
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for _ in range(100):
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result = self.cache.get_playlists_for_track("track_1")
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results.append(result)
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threads = [threading.Thread(target=read_cache) for _ in range(5)]
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for t in threads:
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t.start()
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for t in threads:
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t.join()
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# All reads should succeed
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self.assertEqual(len(results), 500)
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def test_concurrent_writes_thread_safe(self) -> None:
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"""Test concurrent writes maintain consistency."""
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def write_cache(track_id: str, playlist_ids: list[str]) -> None:
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for pid in playlist_ids:
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self.cache.add_track_to_playlist(track_id, pid)
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threads = []
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for i in range(10):
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t = threading.Thread(target=write_cache, args=(f"track_{i}", [f"p_{i}_{j}" for j in range(5)]))
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threads.append(t)
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for t in threads:
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t.start()
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for t in threads:
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t.join()
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# Verify all writes succeeded
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total_tracks = sum(len(self.cache.get_playlists_for_track(f"track_{i}")) for i in range(10))
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self.assertEqual(total_tracks, 50)
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def test_update_from_dict(self) -> None:
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"""Test batch update from dictionary."""
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data = {
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"track_1": {"playlist_1", "playlist_2"},
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"track_2": {"playlist_2", "playlist_3"},
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}
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self.cache.update_from_dict(data)
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self.assertEqual(self.cache.get_playlists_for_track("track_1"), {"playlist_1", "playlist_2"})
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self.assertEqual(self.cache.get_playlists_for_track("track_2"), {"playlist_2", "playlist_3"})
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def test_clear(self) -> None:
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"""Test clearing the cache."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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self.cache.clear()
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self.assertEqual(self.cache.get_playlists_for_track("track_1"), set())
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def test_set_and_get_playlist_metadata(self) -> None:
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"""Test storing and retrieving playlist metadata."""
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self.cache.set_playlist_metadata("playlist_1", "My Favorites", 42)
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metadata = self.cache.get_playlist_metadata("playlist_1")
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self.assertIsNotNone(metadata)
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self.assertEqual(metadata["name"], "My Favorites")
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self.assertEqual(metadata["item_count"], 42)
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def test_get_all_playlists(self) -> None:
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"""Test getting all playlist IDs."""
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self.cache.add_track_to_playlist("track_1", "playlist_1")
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self.cache.add_track_to_playlist("track_2", "playlist_2")
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self.cache.add_track_to_playlist("track_3", "playlist_1")
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all_playlists = self.cache.get_all_playlists()
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self.assertEqual(all_playlists, {"playlist_1", "playlist_2"})
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class TestPlaylistContextLoader(unittest.TestCase):
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"""Tests for PlaylistContextLoader worker.
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Verifies API calls, pagination, and cache building.
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"""
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def setUp(self) -> None:
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"""Set up test fixtures."""
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self.app = QtWidgets.QApplication.instance() or QtWidgets.QApplication([])
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@patch("tidal_dl_ng.gui.playlist_membership.Session")
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def test_fetch_user_playlists_pagination(self, mock_session_class: Mock) -> None:
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"""Test handling of playlist pagination."""
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mock_session = Mock()
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# Mock paginated responses
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mock_session.request.side_effect = [
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Mock(
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json=lambda: {
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"items": [
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{"uuid": f"playlist_{i}", "title": f"Playlist {i}", "numberOfItems": 10} for i in range(50)
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],
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"totalNumberOfItems": 75,
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}
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),
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Mock(
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json=lambda: {
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"items": [
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{"uuid": f"playlist_{i}", "title": f"Playlist {i}", "numberOfItems": 10} for i in range(50, 75)
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],
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"totalNumberOfItems": 75,
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}
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),
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]
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loader = PlaylistContextLoader(mock_session, user_id="user_123")
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playlists = loader._fetch_user_playlists()
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# Should have fetched all playlists across two pages
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self.assertEqual(len(playlists), 75)
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@patch("tidal_dl_ng.gui.playlist_membership.Session")
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def test_fetch_playlist_items_pagination(self, mock_session_class: Mock) -> None:
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"""Test handling of playlist items pagination."""
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mock_session = Mock()
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# Mock paginated item responses
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mock_session.request.side_effect = [
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Mock(
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json=lambda: {
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"items": [{"item": {"id": f"track_{i}"}} for i in range(300)],
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"totalNumberOfItems": 450,
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}
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),
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Mock(
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json=lambda: {
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"items": [{"item": {"id": f"track_{i}"}} for i in range(300, 450)],
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"totalNumberOfItems": 450,
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}
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),
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]
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loader = PlaylistContextLoader(mock_session, user_id="user_123")
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track_ids = loader._fetch_playlist_items("playlist_1")
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self.assertEqual(len(track_ids), 450)
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@patch("tidal_dl_ng.gui.playlist_membership.Session")
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def test_build_cache_structure(self, mock_session_class: Mock) -> None:
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"""Test correct cache structure building."""
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mock_session = Mock()
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# Mock responses
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playlists_response = Mock(
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json=lambda: {
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"items": [
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{"uuid": "playlist_1", "title": "Favorites", "numberOfItems": 2},
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{"uuid": "playlist_2", "title": "Workout", "numberOfItems": 1},
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],
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"totalNumberOfItems": 2,
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}
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)
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items_responses = [
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Mock(
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json=lambda: {
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"items": [{"item": {"id": "track_1"}}, {"item": {"id": "track_2"}}],
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"totalNumberOfItems": 2,
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}
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),
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Mock(
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json=lambda: {
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"items": [{"item": {"id": "track_2"}}],
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"totalNumberOfItems": 1,
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}
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),
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]
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mock_session.request.side_effect = [playlists_response, *items_responses]
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loader = PlaylistContextLoader(mock_session, user_id="user_123")
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# Manually test cache building (since run() needs event loop)
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playlists = loader._fetch_user_playlists()
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cache = loader._fetch_all_playlist_contents(playlists)
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# Verify cache structure
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self.assertIn("track_1", cache)
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self.assertIn("track_2", cache)
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self.assertEqual(cache["track_1"], {"playlist_1"})
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self.assertEqual(cache["track_2"], {"playlist_1", "playlist_2"})
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@patch("tidal_dl_ng.gui.playlist_membership.Session")
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def test_abort_request(self, mock_session_class: Mock) -> None:
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"""Test aborting the loader."""
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mock_session = Mock()
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loader = PlaylistContextLoader(mock_session, user_id="user_123")
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# Request abort
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loader.request_abort()
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# Verify abort flag is set
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self.assertTrue(loader._abort_requested.is_set())
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def test_max_workers_clamped(self) -> None:
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"""Test max_workers is clamped to valid range."""
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mock_session = Mock()
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loader1 = PlaylistContextLoader(mock_session, user_id="user_123", max_workers=10)
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self.assertLessEqual(loader1.max_workers, 5)
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loader2 = PlaylistContextLoader(mock_session, user_id="user_123", max_workers=0)
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self.assertEqual(loader2.max_workers, 1)
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class TestPlaylistColumnDelegate(unittest.TestCase):
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"""Tests for PlaylistColumnDelegate.
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Verifies state rendering and transitions.
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"""
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def setUp(self) -> None:
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"""Set up test fixtures."""
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self.app = QtWidgets.QApplication.instance() or QtWidgets.QApplication([])
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self.delegate = PlaylistColumnDelegate()
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def test_initial_state_pending(self) -> None:
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"""Test delegate starts in PENDING state."""
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# Cell should render as PENDING by default
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self.assertFalse(self.delegate._cache_ready)
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def test_set_cache_ready_transitions_states(self) -> None:
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"""Test state transitions when cache becomes ready."""
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self.delegate.set_cell_state(0, PlaylistCellState.PENDING)
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self.delegate.set_cell_state(1, PlaylistCellState.PENDING)
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# Mark cache as ready
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self.delegate.set_cache_ready(True)
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# States should transition to READY
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self.assertTrue(self.delegate._cache_ready)
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def test_set_cell_state(self) -> None:
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"""Test setting cell state."""
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self.delegate.set_cell_state(5, PlaylistCellState.READY)
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self.assertEqual(self.delegate._cell_states.get("5"), PlaylistCellState.READY)
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self.delegate.set_cell_state(5, PlaylistCellState.ERROR)
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self.assertEqual(self.delegate._cell_states.get("5"), PlaylistCellState.ERROR)
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def test_state_rendering_pending(self) -> None:
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"""Test rendering of PENDING state (spinner)."""
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# Create mock painter and option
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painter = Mock()
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painter.fillRect = Mock()
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painter.setPen = Mock()
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painter.drawText = Mock()
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option = Mock()
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option.rect = Mock(adjusted=Mock(return_value=Mock(center=Mock(return_value=QtCore.QPoint(50, 50)))))
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option.state = 0
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index = Mock()
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index.row = Mock(return_value=0)
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# Set state to PENDING
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self.delegate.set_cell_state(0, PlaylistCellState.PENDING)
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# Paint should be called without errors
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# (Actual painting verification would require QPixmap/screen rendering)
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def test_button_click_event(self) -> None:
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"""Test that READY state cells emit button_clicked signal."""
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self.delegate.set_cell_state(0, PlaylistCellState.READY)
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# Create mock event and model
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event = Mock()
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event.type = Mock(return_value=QtCore.QEvent.Type.MouseButtonRelease)
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model = Mock()
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option = Mock()
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index = Mock()
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index.row = Mock(return_value=0)
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# Track signal emissions
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signal_emitted = []
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def on_button_clicked(idx) -> None:
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signal_emitted.append(idx)
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self.delegate.button_clicked.connect(on_button_clicked)
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|
|
# Simulate click event
|
||
|
|
handled = self.delegate.editorEvent(event, model, option, index)
|
||
|
|
|
||
|
|
# Should handle the event and emit signal
|
||
|
|
self.assertTrue(handled)
|
||
|
|
|
||
|
|
|
||
|
|
class TestPlaylistManagerDialog(unittest.TestCase):
|
||
|
|
"""Tests for PlaylistManagerDialog.
|
||
|
|
|
||
|
|
Verifies UI state, transaction logic, and error handling.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def setUp(self) -> None:
|
||
|
|
"""Set up test fixtures."""
|
||
|
|
self.app = QtWidgets.QApplication.instance() or QtWidgets.QApplication([])
|
||
|
|
self.threadpool = QtCore.QThreadPool()
|
||
|
|
|
||
|
|
# Create mock objects
|
||
|
|
self.mock_track = Mock(spec=Track)
|
||
|
|
self.mock_track.id = "track_uuid_1"
|
||
|
|
self.mock_track.name = "Test Track"
|
||
|
|
|
||
|
|
self.cache = ThreadSafePlaylistCache()
|
||
|
|
|
||
|
|
# Add test data to cache
|
||
|
|
self.cache.set_playlist_metadata("playlist_1", "Favorites", 42)
|
||
|
|
self.cache.set_playlist_metadata("playlist_2", "Workout Mix", 15)
|
||
|
|
self.cache.add_track_to_playlist("track_uuid_1", "playlist_1")
|
||
|
|
|
||
|
|
self.mock_session = Mock(spec=Session)
|
||
|
|
|
||
|
|
def test_dialog_initialization(self) -> None:
|
||
|
|
"""Test dialog initializes correctly."""
|
||
|
|
dialog = PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
self.assertIsNotNone(dialog)
|
||
|
|
self.assertEqual(dialog.track.name, "Test Track")
|
||
|
|
|
||
|
|
def test_playlists_populated_from_cache(self) -> None:
|
||
|
|
"""Test dialog populates playlists from cache."""
|
||
|
|
dialog = PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Count checkbox widgets (should be 2 playlists)
|
||
|
|
checkboxes = dialog.container_layout.count()
|
||
|
|
self.assertGreaterEqual(checkboxes, 2)
|
||
|
|
|
||
|
|
def test_checkbox_initial_state_from_cache(self) -> None:
|
||
|
|
"""Test checkboxes reflect initial cache state."""
|
||
|
|
dialog = PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Track is in playlist_1, so that checkbox should be checked
|
||
|
|
# Track is NOT in playlist_2, so that checkbox should be unchecked
|
||
|
|
original_states = dialog._original_states
|
||
|
|
|
||
|
|
self.assertTrue(original_states.get("playlist_1"))
|
||
|
|
self.assertFalse(original_states.get("playlist_2"))
|
||
|
|
|
||
|
|
@patch("tidal_dl_ng.gui.dialog_playlist_manager.Worker")
|
||
|
|
def test_checkbox_change_triggers_worker(self, mock_worker_class: Mock) -> None:
|
||
|
|
"""Test checkbox change triggers worker thread."""
|
||
|
|
PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Mock worker
|
||
|
|
mock_worker_class.return_value = Mock()
|
||
|
|
|
||
|
|
# Simulate checkbox change would trigger worker
|
||
|
|
# (Actual checkbox interaction would require Qt event simulation)
|
||
|
|
|
||
|
|
def test_api_add_track_success(self) -> None:
|
||
|
|
"""Test successful track addition."""
|
||
|
|
dialog = PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Mock successful API response
|
||
|
|
mock_response = Mock()
|
||
|
|
mock_response.raise_for_status = Mock()
|
||
|
|
self.mock_session.request.return_value = mock_response
|
||
|
|
|
||
|
|
# Create checkbox mock
|
||
|
|
mock_checkbox = Mock()
|
||
|
|
|
||
|
|
# Simulate add operation
|
||
|
|
dialog._api_add_track_to_playlist("track_uuid_1", "playlist_2", mock_checkbox, False)
|
||
|
|
|
||
|
|
# Cache should be updated
|
||
|
|
self.assertTrue(self.cache.is_track_in_playlist("track_uuid_1", "playlist_2"))
|
||
|
|
|
||
|
|
# Checkbox should be re-enabled
|
||
|
|
mock_checkbox.setEnabled.assert_called_with(True)
|
||
|
|
|
||
|
|
def test_api_add_track_error_rollback(self) -> None:
|
||
|
|
"""Test rollback on add failure."""
|
||
|
|
dialog = PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Mock failed API response
|
||
|
|
mock_response = Mock()
|
||
|
|
mock_response.raise_for_status = Mock(side_effect=Exception("API Error"))
|
||
|
|
self.mock_session.request.return_value = mock_response
|
||
|
|
|
||
|
|
# Create checkbox mock
|
||
|
|
mock_checkbox = Mock()
|
||
|
|
|
||
|
|
# Original state: not checked
|
||
|
|
original_state = False
|
||
|
|
|
||
|
|
# Simulate failed add operation
|
||
|
|
dialog._api_add_track_to_playlist("track_uuid_1", "playlist_2", mock_checkbox, original_state)
|
||
|
|
|
||
|
|
# Checkbox should be restored to original state
|
||
|
|
mock_checkbox.setChecked.assert_called()
|
||
|
|
|
||
|
|
# Checkbox should be re-enabled
|
||
|
|
mock_checkbox.setEnabled.assert_called_with(True)
|
||
|
|
|
||
|
|
def test_api_remove_track_success(self) -> None:
|
||
|
|
"""Test successful track removal."""
|
||
|
|
dialog = PlaylistManagerDialog(
|
||
|
|
track=self.mock_track,
|
||
|
|
cache=self.cache,
|
||
|
|
session=self.mock_session,
|
||
|
|
threadpool=self.threadpool,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Mock successful API responses
|
||
|
|
mock_items_response = Mock()
|
||
|
|
mock_items_response.json.return_value = {
|
||
|
|
"items": [{"id": "item_uuid_1", "item": {"id": "track_uuid_1"}}],
|
||
|
|
"totalNumberOfItems": 1,
|
||
|
|
}
|
||
|
|
|
||
|
|
mock_delete_response = Mock()
|
||
|
|
mock_delete_response.raise_for_status = Mock()
|
||
|
|
|
||
|
|
self.mock_session.request.side_effect = [mock_items_response, mock_delete_response]
|
||
|
|
|
||
|
|
# Create checkbox mock
|
||
|
|
mock_checkbox = Mock()
|
||
|
|
|
||
|
|
# Verify track is in cache initially
|
||
|
|
self.assertTrue(self.cache.is_track_in_playlist("track_uuid_1", "playlist_1"))
|
||
|
|
|
||
|
|
# Simulate remove operation
|
||
|
|
dialog._api_remove_track_from_playlist("track_uuid_1", "playlist_1", mock_checkbox, True)
|
||
|
|
|
||
|
|
# Cache should be updated (track removed)
|
||
|
|
self.assertFalse(self.cache.is_track_in_playlist("track_uuid_1", "playlist_1"))
|
||
|
|
|
||
|
|
# Checkbox should be re-enabled
|
||
|
|
mock_checkbox.setEnabled.assert_called_with(True)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
unittest.main()
|