audio: Move play_track() out of the Player

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

audio/__init__.py

@@ -20,3 +20,12 @@ def NowPlaying():
 
 def SeekControl():
     return scale.ScaleButtonBox(scale.SeekScale(Player))
+
+
+def play_track(track):
+    if track == Player.track:
+        return False
+    Player.uri = None
+    Player.load_track(track)
+    Player.playing = True
+    return True

audio/player.py

@@ -65,14 +65,10 @@ class Player(bass.BassPlayer):
     def pause(self): self.playing = False
     def playpause(self, *args): self.playing = not self.playing
 
-    def play_track(self, track):
-        if track == self.track:
-            return False
-        self.load_set_state(track, Gst.State.PLAYING)
-        return True
-
     def previous(self, *args):
-        self.play_track(tagdb.Stack.previous())
+        self.uri = None
+        self.load_track(tagdb.Stack.previous())
+        self.playing = True
 
     @GObject.Signal(arg_types=(tagdb.track.Track, tagdb.track.Track))
     def track_changed(self, prev, new):

audio/test_audio.py

@@ -1,11 +1,25 @@
 # Copyright 2021 (c) Anna Schumaker.
 import audio
+import pathlib
+import tagdb
 import unittest
 
+test_album = pathlib.Path("./data/Test Album/")
+
 class TestAudio(unittest.TestCase):
     def test_audio_init(self):
         self.assertIsInstance(audio.Player, audio.player.Player)
 
+    def test_audio_play_track(self):
+        lib = tagdb.Library.add(test_album)
+        lib.scan().join()
+        track = [ t for t in lib.tracks if t.tracknumber == 1 ][0]
+
+        self.assertTrue(audio.play_track(track))
+        self.assertTrue(audio.Player.playing)
+        self.assertFalse(audio.play_track(track))
+        audio.Player.playing = False
+
     def test_audio_widgets(self):
         seeker = audio.SeekControl()
 

audio/test_player.py

@@ -59,7 +59,6 @@ class TestPlayer(unittest.TestCase):
         self.assertEqual(settings.get_int("audio.trackid"), self.track.trackid)
         self.assertEqual(play.get_state(), Gst.State.READY)
         self.assertEqual(self.changed, (None, self.track) )
-        self.assertFalse(play.play_track(self.track))
 
         tagdb.tags.User["Previous"].tracks.clear()
         play2 = player.Player()

playlist/__init__.py

@@ -22,7 +22,7 @@ Selection.set_model(FilterModel)
 
 def on_row_activate(view, position):
     track = FilterModel.get_item(position)
-    if audio.Player.play_track(track) == True:
+    if audio.play_track(track):
         Model.tag.track_selected(track)
         tagdb.save()