| Boost coverage to 60% with 256 passing tests
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- mpris.py: 81% → 100% — import fallbacks, flush_props edge cases,
  stop_async error path, run_async exception path, notify loops
- player.py: 51% → 73% — AudioPlayer state/volume/loop/queue tests,
  _on_download_failed, _on_download_succeeded, _on_playback_state,
  _on_media_status, seek/skip/previous, _start_prefetch, _advance,
  _cancel_active_downloads, DownloadWorker._do_cancel
- test_gui_widgets.py: 50 → 88 tests across TestAudioPlayer and
  existing widget tests
- 5 modules at 100%: config, discord_rpc, main, mpris, music_db
This commit is contained in:
2026-06-09 19:33:58 +03:00
parent 27d12d31cb
commit 4671a6937b
3 changed files with 574 additions and 0 deletions

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@@ -212,6 +212,338 @@ class TestSearchPage:
# ═══════════════════════════════════════════════════════════════════════════════
class TestAudioPlayer:
"""Tests for AudioPlayer state methods (no playback required)."""
@pytest.fixture
def player(self, app):
from player import AudioPlayer
p = AudioPlayer()
yield p
p.shutdown()
def test_initial_state(self, player):
"""Initial player state is stopped, no current song, empty queue."""
assert player.is_stopped() is True
assert player.is_playing() is False
assert player.is_paused() is False
assert player.get_current() is None
assert player.get_queue() == []
assert player.get_queue_length() == 0
assert player.has_previous() is False
def test_volume_default(self, player):
"""Default volume should be 50."""
assert player.volume() == 50
def test_set_volume(self, player):
"""set_volume changes the volume."""
player.set_volume(75)
assert player.volume() == 75
player.set_volume(100)
assert player.volume() == 100
player.set_volume(0)
assert player.volume() == 0
def test_set_volume_clamps(self, player):
"""set_volume clamps values outside 0-100."""
player.set_volume(-10)
assert player.volume() == 0
player.set_volume(150)
assert player.volume() == 100
def test_loop_default(self, player):
"""Loop mode is initially off."""
assert player.get_loop() is False
def test_set_loop(self, player):
"""set_loop toggles loop mode."""
player.set_loop(True)
assert player.get_loop() is True
player.set_loop(False)
assert player.get_loop() is False
def test_stop_playback_when_stopped(self, player):
"""stop_playback when already stopped doesn't crash."""
player.stop_playback()
assert player.is_stopped() is True
def test_queue_operations(self, player):
"""queue_song, queue_next, and queue_list work correctly.
``queue_song`` triggers auto-play when queue is empty, which pops
the song immediately. We test queue_list (no auto-play) instead.
"""
s2 = {"videoId": "b", "title": "B"}
s3 = {"videoId": "c", "title": "C"}
# queue_list adds without triggering auto-play
player.queue_list([s2, s3])
assert player.get_queue_length() == 2
assert player.get_queue()[0]["videoId"] == "b"
# queue_next inserts at position 0
s1 = {"videoId": "a", "title": "A"}
player.queue_next(s1)
assert player.get_queue_length() == 3
assert player.get_queue()[0]["videoId"] == "a"
def test_seek(self, player):
"""seek sets position (no crash test)."""
player.seek(0) # should not crash
player.seek(5000)
def test_shutdown(self, player):
"""shutdown cleans up without error."""
player.shutdown() # already called in fixture cleanup
def test_cleanup_current_temp_no_current(self, player):
"""_cleanup_current_temp does nothing when no song is loaded."""
player._cleanup_current_temp() # should not crash
def test_cleanup_temp_files_no_files(self, player):
"""_cleanup_temp_files handles missing files gracefully."""
player._current = {"_local_path": "/nonexistent/file.mp3"}
player._cleanup_temp_files() # should not crash
player._current = None
def test_cleanup_temp_files_with_cache(self, player, tmp_path):
"""_cleanup_temp_files removes cached temp files."""
f = tmp_path / "test_song.mp3"
f.write_text("audio data")
player._prefetch_cache["vid1"] = {"_local_path": str(f)}
player._cleanup_temp_files()
assert not f.exists()
def test_position_and_duration_signals(self, player):
"""_on_position and _on_duration emit signals."""
results = []
player.position_changed.connect(lambda ms: results.append(("pos", ms)))
player.duration_changed.connect(lambda ms: results.append(("dur", ms)))
player._on_position(5000)
player._on_duration(200000)
assert ("pos", 5000) in results
assert ("dur", 200000) in results
def test_is_loaded(self, player):
"""is_loaded returns False when no current song."""
assert player.is_loaded() is False
player._current = {"videoId": "x"}
assert player.is_loaded() is True
player._current = None
def test_toggle_pause_when_stopped(self, player):
"""toggle_pause when stopped does nothing."""
result = player.toggle_pause()
# When stopped, toggle_pause returns None (no state change)
assert result is None or result is False
def test_previous_no_history(self, player):
"""previous does nothing when history is empty."""
player.previous() # should not crash
assert player.has_previous() is False
def test_cancel_active_downloads(self, player):
"""_cancel_active_downloads emits cancel signal when active."""
player._active_task_id = 42
with mock.patch.object(player._worker, "cancel_requested") as mock_sig:
player._cancel_active_downloads()
mock_sig.emit.assert_called_once()
def test_cancel_active_downloads_noop(self, player):
"""_cancel_active_downloads does nothing when no active task."""
with mock.patch.object(player._worker, "cancel_requested") as mock_sig:
player._cancel_active_downloads()
mock_sig.emit.assert_not_called()
def test_on_download_failed_matching_task(self, player):
"""_on_download_failed emits error when task matches active."""
results = []
player.error.connect(lambda d: results.append(d))
player._active_task_id = 42
player._on_download_failed(42)
assert len(results) == 1
assert "error" in results[0]
assert player._active_task_id is None
def test_on_download_failed_stale_task(self, player):
"""_on_download_failed ignores stale task IDs."""
results = []
player.error.connect(lambda d: results.append(d))
player._active_task_id = 42
player._on_download_failed(99) # different task ID
assert results == [] # no signal emitted
assert player._active_task_id == 42 # unchanged
def test_skip_no_current(self, player):
"""skip does nothing when no current song."""
player.skip() # should not crash
def test_on_download_succeeded_stale(self, player):
"""_on_download_succeeded ignores stale task IDs."""
player._active_task_id = 42
player._on_download_succeeded(99, {"videoId": "x"}) # different task
# No crash, no state change
def test_on_download_succeeded_missing_file(self, player, tmp_path):
"""_on_download_succeeded emits error when file is missing."""
results = []
player.error.connect(lambda d: results.append(d))
player._active_task_id = 42
player._on_download_succeeded(42, {"videoId": "x",
"_local_path": str(tmp_path / "nonexistent.mp3")})
assert len(results) == 1
assert player._active_task_id is None
def test_on_playback_state_playing(self, player):
"""_on_playback_state with PlayingState emits 'playing'."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.playback_state_changed.connect(lambda s: results.append(s))
player._current = {"videoId": "x", "title": "Test"}
player._on_playback_state(QMediaPlayer.PlaybackState.PlayingState)
assert "playing" in results
player._current = None
def test_on_playback_state_paused(self, player):
"""_on_playback_state with PausedState emits 'paused'."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.playback_state_changed.connect(lambda s: results.append(s))
player._current = {"videoId": "x"}
player._on_playback_state(QMediaPlayer.PlaybackState.PausedState)
assert "paused" in results
player._current = None
def test_on_playback_state_stopped(self, player):
"""_on_playback_state with StoppedState emits 'stopped'."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.playback_state_changed.connect(lambda s: results.append(s))
player._on_playback_state(QMediaPlayer.PlaybackState.StoppedState)
assert "stopped" in results
def test_on_media_status_end_of_media(self, player):
"""_on_media_status with EndOfMedia triggers advance."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.song_ended.connect(lambda vid: results.append(vid))
player._current = {"videoId": "x"}
player._on_media_status(QMediaPlayer.MediaStatus.EndOfMedia)
assert "x" in results
player._current = None
def test_on_media_status_invalid_media_stopped(self, player):
"""_on_media_status with InvalidMedia does nothing when player is stopped."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.error.connect(lambda d: results.append(d))
player._current = {"videoId": "x"}
# When the player is stopped (no media loaded), InvalidMedia is ignored
player._on_media_status(QMediaPlayer.MediaStatus.InvalidMedia)
assert len(results) == 0 # player is stopped, so early return
player._current = None
def test_on_media_status_loaded(self, player):
"""_on_media_status with LoadedMedia does nothing special."""
from PySide6.QtMultimedia import QMediaPlayer
player._on_media_status(QMediaPlayer.MediaStatus.LoadedMedia) # no crash
def test_get_position(self, player):
"""get_position returns current position (0 when stopped)."""
assert player.get_position() == 0
def test_start_prefetch(self, player):
"""_start_prefetch with queue emits download request."""
from player import DownloadWorker
worker = DownloadWorker()
player._worker = worker
player._queue = [{"videoId": "prefetch_test"}]
with mock.patch.object(worker, "download_requested") as mock_sig:
player._start_prefetch()
mock_sig.emit.assert_called_once()
task_id, song = mock_sig.emit.call_args[0]
assert isinstance(task_id, int)
assert song["videoId"] == "prefetch_test"
def test_on_download_succeeded_prefetch(self, player):
"""_on_download_succeeded caches prefetch result."""
player._prefetch_task_id = 55
player._queue = [{"videoId": "prefetch_vid"}]
player._on_download_succeeded(55, {"videoId": "prefetch_vid",
"_local_path": "/tmp/test.mp3"})
assert "prefetch_vid" in player._prefetch_cache
assert player._prefetch_task_id is None
def test_advance_with_loop(self, player):
"""_advance re-queues finished song at front in loop mode."""
player._loop_mode = True
player._current = {"videoId": "loop_song"}
player._queue = [{"videoId": "next_song"}]
# _advance inserts at front, then _try_next_song pops the front
# leaving the next_song. Verify loop_song was inserted before pop.
with mock.patch.object(player, "_try_next_song"):
player._advance()
# The finished song should be at the front before _try_next_song
assert player._queue[0]["videoId"] == "loop_song"
assert player._current is None
def test_try_next_song_with_queue(self, player):
"""_try_next_song pops and plays when queue has items."""
player._queue = [{"videoId": "queued"}]
# This will call _pop_and_play which tries to download
# Just check it doesn't crash and processes the queue
with mock.patch.object(player, "_pop_and_play") as mock_pop:
player._try_next_song()
mock_pop.assert_called_once()
def test_on_player_error_network(self, player):
"""_on_player_error_occurred with NetworkError triggers advance."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.error.connect(lambda d: results.append(d))
player._current = {"videoId": "err_song"}
player._on_player_error_occurred(
QMediaPlayer.Error.NetworkError, "Connection lost")
assert len(results) == 1
assert "error" in results[0]
player._current = None
def test_on_player_error_format(self, player):
"""_on_player_error_occurred with FormatError does nothing."""
from PySide6.QtMultimedia import QMediaPlayer
results = []
player.error.connect(lambda d: results.append(d))
player._on_player_error_occurred(
QMediaPlayer.Error.FormatError, "Bad format")
# FormatError is not NetworkError or ResourceError, so ignored
assert len(results) == 0
def test_seek_emits_seeked_signal(self, player):
"""seek emits seeked signal with the position."""
results = []
player.seeked.connect(lambda ms: results.append(ms))
player.seek(15000)
assert 15000 in results
def test_download_worker_do_cancel(self, player):
"""DownloadWorker._do_cancel sets cancelled flag."""
from player import DownloadWorker
worker = DownloadWorker()
assert worker._cancelled is False
worker._do_cancel()
assert worker._cancelled is True
def test_on_position_zero(self, player):
"""_on_position with 0 emits position_changed."""
results = []
player.position_changed.connect(lambda ms: results.append(ms))
player._on_position(0)
assert 0 in results
class TestTunettiWindowAccessors:
@pytest.fixture

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@@ -193,6 +193,29 @@ class TestPlayerQtFallback:
assert player.QMediaPlayer is not None
assert hasattr(player.QMediaPlayer, "PlaybackState")
def test_stub_qmediaplayer_methods(self):
"""Stub QMediaPlayer methods can be called without error."""
_clean_pyside_modules()
side_effect = _make_importer(block_pyside=True)
with mock.patch("builtins.__import__", side_effect=side_effect):
import player
mp = player.QMediaPlayer()
# Methods that should be no-ops
mp.set_source("https://example.com/audio.mp3")
mp.play()
mp.pause()
mp.stop()
mp.set_position(30000)
mp.set_audio_output(None)
# Methods that return values
assert mp.position() == 0
assert mp.duration() == 0
assert mp.get_playback_state() == 0 # stopped_state
assert mp.get_audio_output() is None
# ═══════════════════════════════════════════════════════════════════════════════
# gui.py fallback

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@@ -235,3 +235,222 @@ class TestMprisPlayerInterface:
with mock.patch.object(bridge, "seek_requested") as mock_sig:
iface.Seek(5000)
mock_sig.emit.assert_called_once_with(5000)
# ── Import fallback (when dbus-fast unavailable) ──────────────────────────────
class TestImportFallback:
"""Tests for the mpris module when dbus-fast is unavailable."""
def test_fallback_classes_work(self):
"""When dbus-fast is unavailable, fallback classes work correctly."""
import builtins
import sys
original_import = builtins.__import__
def mock_import(name, *args, **kwargs):
if name.startswith("dbus_fast") or name.startswith("dbus-fast"):
raise ImportError(f"No module named {name!r}")
return original_import(name, *args, **kwargs)
# Remove mpris from sys.modules so it re-imports
sys.modules.pop("mpris", None)
with mock.patch("builtins.__import__", side_effect=mock_import):
import mpris as mpris_fallback
# Test fallback Variant
v = mpris_fallback.Variant("s", "hello")
assert v.signature == "s"
assert v.value == "hello"
# Test fallback NameFlag
assert mpris_fallback.NameFlag.REPLACE_EXISTING == 1
assert mpris_fallback.NameFlag.DO_NOT_QUEUE == 2
# Test fallback ServiceInterface
si = mpris_fallback.ServiceInterface("test.Interface")
assert si._interface_name == "test.Interface"
si.emit_properties_changed({"a": 1}, []) # no-op
# Test fallback decorators
@mpris_fallback.dbus_method()
def my_method():
return 42
assert my_method() == 42
@mpris_fallback.dbus_property(access="read")
def my_prop():
return "val"
assert my_prop() == "val"
@mpris_fallback.dbus_signal()
def my_signal():
return "sig"
assert my_signal() == "sig"
# Test PropertyAccess fallback
assert mpris_fallback.PropertyAccess.READ == "read"
# Test that _HAS_DBUS is False
assert mpris_fallback._HAS_DBUS is False
def test_pyside6_import_fallback(self):
"""When PySide6 is unavailable, Signal/QObject fallbacks work."""
import builtins
import sys
original_import = builtins.__import__
def mock_import(name, *args, **kwargs):
if name == "PySide6" or name.startswith("PySide6."):
raise ImportError(f"No module named {name!r}")
return original_import(name, *args, **kwargs)
sys.modules.pop("mpris", None)
with mock.patch("builtins.__import__", side_effect=mock_import):
import mpris as mpris_fallback
assert mpris_fallback._HAS_QT_BRIDGE is False
# MprisBridge should inherit from object, not QObject
assert mpris_fallback.MprisBridge.__bases__ == (object,)
# ── Manager advanced / edge-case tests ───────────────────────────────────────
class TestMprisManagerAdvanced:
"""Tests for manager edge cases (error paths, early returns)."""
def test_flush_props_without_bus(self):
"""_flush_props returns early when bus is None (lines 416-417)."""
from mpris import MprisManager
mgr = MprisManager()
# _bus is None, _flush_props should return without error
mgr._flush_props()
def test_flush_props_emission_raises(self):
"""_flush_props swallows exceptions from emit_properties_changed (lines 433-434)."""
from unittest.mock import MagicMock
from mpris import MprisManager
mgr = MprisManager()
mgr._bus = MagicMock()
mgr._player_iface = MagicMock()
mgr._player_iface.emit_properties_changed.side_effect = RuntimeError("boom")
with mgr._prop_lock:
mgr._prop_queue.append(("Playing", {"xesam:title": "Test"}, False))
mgr._flush_props() # should not raise
# Queue should be cleared
assert len(mgr._prop_queue) == 0
def test_stop_async_without_bus(self):
"""_stop_async does nothing when bus is None."""
from mpris import MprisManager
mgr = MprisManager()
mgr._stop_async() # should not raise
def test_stop_async_disconnect_raises(self):
"""_stop_async catches exceptions from bus.disconnect() (lines 438-442)."""
from unittest.mock import MagicMock
from mpris import MprisManager
mgr = MprisManager()
mock_bus = MagicMock()
mock_bus.disconnect.side_effect = RuntimeError("disconnect failed")
mgr._bus = mock_bus
mgr._stop_async() # should not raise
mock_bus.disconnect.assert_called_once()
def test_properties_changed_signal(self):
"""PropertiesChanged signal method can be called directly (line 290)."""
from mpris import _State, MprisBridge, MprisPlayerInterface
state = _State()
bridge = MprisBridge()
iface = MprisPlayerInterface(state, bridge)
# Call the signal method directly — it's a no-op pass
iface.PropertiesChanged("org.mpris.MediaPlayer2.Player", {}, [])
def test_run_async_exception_path(self):
"""_run_async catches and logs exceptions from _connect_and_serve (lines 449-451)."""
from unittest.mock import patch
from mpris import MprisManager
mgr = MprisManager()
with patch.object(mgr, "_connect_and_serve", side_effect=RuntimeError("dbus error")):
with patch("mpris.log") as mock_log:
mgr._run_async()
mock_log.debug.assert_called_once()
# Finally block should have cleaned up
assert mgr._loop is None
assert mgr._bus is None
assert mgr._root_iface is None
assert mgr._player_iface is None
# ── notify_state_changed edge cases ────────────────────────────────────────
class TestNotifyStateChanged:
"""Tests for notify_state_changed edge cases."""
def test_loop_not_running_queues_only(self):
"""When the asyncio loop isn't running, data is queued but not flushed."""
from mpris import MprisManager
mgr = MprisManager()
mgr._loop = mock.MagicMock()
mgr._loop.is_running.return_value = False
mgr.notify_state_changed("playing", {"videoId": "x"}, True)
assert len(mgr._prop_queue) == 1
mgr._loop.call_soon_threadsafe.assert_not_called()
def test_loop_is_none_queues_only(self):
"""When _loop is None, data is queued but not flushed."""
from mpris import MprisManager
mgr = MprisManager()
mgr._loop = None
mgr.notify_state_changed("playing", {"videoId": "x"}, True)
assert len(mgr._prop_queue) == 1
def test_status_mapping_fallback_to_stopped(self):
"""Unknown status string maps to STATUS_STOPPED."""
from mpris import MprisManager
mgr = MprisManager()
mgr._loop = mock.MagicMock()
mgr._loop.is_running.return_value = True
# Make call_soon_threadsafe actually invoke the callback so _flush_props runs
mgr._loop.call_soon_threadsafe.side_effect = lambda fn: fn()
mgr._bus = mock.MagicMock() # needed for _flush_props
mgr._player_iface = mock.MagicMock()
mgr.notify_state_changed("unknown_status", {"videoId": "x"}, False)
# Should have flushed - the status was mapped to "Stopped"
mgr._player_iface.emit_properties_changed.assert_called()
call_args = mgr._player_iface.emit_properties_changed.call_args
changed = call_args[0][0] if call_args else {}
assert changed.get("PlaybackStatus") == "Stopped"
def test_notify_without_song_queues_state_only(self):
"""notify_state_changed without a song queues PlaybackStatus only."""
from mpris import MprisManager
mgr = MprisManager()
mgr._loop = mock.MagicMock()
mgr._loop.is_running.return_value = True
# Make call_soon_threadsafe actually invoke the callback so _flush_props runs
mgr._loop.call_soon_threadsafe.side_effect = lambda fn: fn()
mgr._bus = mock.MagicMock()
mgr._player_iface = mock.MagicMock()
mgr.notify_state_changed("paused", None, False)
mgr._player_iface.emit_properties_changed.assert_called()
call_args = mgr._player_iface.emit_properties_changed.call_args
changed = call_args[0][0] if call_args else {}
assert "PlaybackStatus" in changed
assert "Metadata" not in changed