create test_playback.py

this will test some basic functions of the player.py

tests/test_player/test_playback.py

@@ -0,0 +1,84 @@
+import pytest
+
+@pytest.mark.playback
+def test_play(music_player):
+    track_path = "dummy_track.mp3"
+    result = music_player.play(track_path)
+    assert result is True
+    assert music_player.current_track == track_path
+    assert music_player.is_playing is True
+
+@pytest.mark.playback
+def test_pause_resume_stop(music_player):
+    track_path = "dummy_track.mp3"
+    music_player.play(track_path)
+
+    # Test pause
+    music_player.pause()
+    assert music_player.is_playing is False
+
+    # Test resume
+    music_player.resume()
+    assert music_player.is_playing is True
+
+    # Test stop
+    music_player.stop()
+    assert music_player.is_playing is False
+    assert music_player.current_track is None
+
+@pytest.mark.playback
+def test_skip_forward(music_player):
+    track_path = "dummy_track.mp3"
+    music_player.play(track_path)
+    music_player.player.set_time(2000)  
+    music_player.skip_forward(5)  
+    # Expected time is 7000 ms (2000 + 5000)
+    assert music_player.player.get_time() == 7000
+
+    # Test skipping forward near end of track
+    music_player.player.set_time(8000)
+    music_player.skip_forward(5)
+    # Dummy media duration is 10000 ms, so time should not exceed that
+    assert music_player.player.get_time() == 10000
+
+@pytest.mark.playback
+def test_skip_backward(music_player):
+    track_path = "dummy_track.mp3"
+    music_player.play(track_path)
+    music_player.player.set_time(5000)
+    music_player.skip_backward(3)  
+    assert music_player.player.get_time() == 2000
+
+    # Ensure time does not go negative
+    music_player.player.set_time(2000)
+    music_player.skip_backward(5)
+    assert music_player.player.get_time() == 0
+
+@pytest.mark.playback
+def test_volume_boundaries(music_player):
+    """Test volume limits"""
+    music_player.set_volume(-10)  # Should clamp to 0
+    assert music_player.get_volume() == 0
+
+    music_player.set_volume(150)  # Should clamp to 100
+    assert music_player.get_volume() == 100
+
+@pytest.mark.track_info
+def test_state_transitions(music_player):
+    """Test player state transitions"""
+    assert not music_player.is_playing  
+
+    music_player.play("dummy_track.mp3")
+    assert music_player.is_playing  
+
+    music_player.pause()
+    assert not music_player.is_playing  
+
+@pytest.mark.track_info
+def test_track_info(music_player):
+    """Test track information and progress"""
+    music_player.play("dummy_track.mp3")
+    music_player.player.set_time(5000)  
+
+    from ethos.player import TrackInfo
+    assert TrackInfo.get_current_time(music_player) == "0:05"