fix music navs

tests/test_panel.py

@@ -182,6 +182,39 @@ class PanelTest(unittest.TestCase):
         state = self.panel.state()
         self.assertEqual([r["spotify"] for r in state["rooms"]], [True, False])
 
+    def test_state_carries_the_song_a_room_is_playing(self):
+        self.heos.now_playing_mid[HOME400_PID] = "spotify:track:4uLU6hMCjMI75M1A2tKUQC"
+        self.heos.now_playing_track[HOME400_PID] = {
+            "song": "Harvest Moon", "artist": "Neil Young", "image_url": "https://i.scdn.co/image/abc",
+        }
+        state = self.panel.state()
+        self.assertEqual(
+            [r["now_playing"] for r in state["rooms"]],
+            [{"song": "Harvest Moon", "artist": "Neil Young", "image": "https://i.scdn.co/image/abc"}, None],
+        )
+
+    def test_a_song_without_artist_or_cover_still_shows(self):
+        self.heos.now_playing_mid[HOME400_PID] = "spotify:track:4uLU6hMCjMI75M1A2tKUQC"
+        self.heos.now_playing_track[HOME400_PID] = {"song": "Harvest Moon", "artist": "", "image_url": ""}
+        self.assertEqual(
+            self.panel.state()["rooms"][0]["now_playing"],
+            {"song": "Harvest Moon", "artist": None, "image": None},
+        )
+
+    def test_a_paused_room_keeps_its_song_and_a_stopped_one_drops_it(self):
+        self.heos.now_playing_mid[HOME400_PID] = "spotify:track:4uLU6hMCjMI75M1A2tKUQC"
+        self.heos.now_playing_track[HOME400_PID] = {"song": "Harvest Moon"}
+        self.heos.play_states[HOME400_PID] = "pause"
+        self.assertIsNotNone(self.panel.state()["rooms"][0]["now_playing"])
+        self.heos.play_states[HOME400_PID] = "stop"
+        self.assertIsNone(self.panel.state()["rooms"][0]["now_playing"])
+
+    def test_an_avr_input_is_not_a_song(self):
+        """HEOS puts an input's own name where the song goes."""
+        self.heos.now_playing_mid[HOME400_PID] = "inputs/mediaplayer"
+        self.heos.now_playing_track[HOME400_PID] = {"song": "Z30 Pro"}
+        self.assertIsNone(self.panel.state()["rooms"][0]["now_playing"])
+
     def test_an_avr_input_is_not_spotify(self):
         self.heos.now_playing_sid[AVR_PID] = 1027
         self.assertFalse(self.panel.on_spotify("avr"))