1 files changed, 35 insertions, 0 deletions
diff --git a/notifier_unittest.py b/notifier_unittest.py
index b840c16..52be51e 100644
--- a/notifier_unittest.py
+++ b/notifier_unittest.py
@@ -30,6 +30,8 @@ def checkEvent(uut, event):
 
 def test_allEvents(uut):
     checkEvent(uut, Notifier.PLAYING_STATE_EVENT)
+    checkEvent(uut, Notifier.PLAYBACK_VOLUME_EVENT)
+    checkEvent(uut, Notifier.PLAYBACK_RATE_EVENT)
 
 def test_eventWithoutRegisteredCallbacks(uut):
     uut.notify(Notifier.PLAYING_STATE_EVENT)
@@ -46,3 +48,36 @@ def test_playingStateEventWithMockPlayer(uut, mockPlayer):
     assert not called
     mockPlayer.simulatePlayingStateChanged()
     assert called
+
+def test_singleEventNotification(uut):
+    playingStateCalled = False
+    def playingStateCallback():
+        nonlocal playingStateCalled
+        playingStateCalled = True
+
+    volumeCalled = False
+    def volumeCallback():
+        nonlocal volumeCalled
+        volumeCalled = True
+
+    uut.registerCallback(Notifier.PLAYING_STATE_EVENT, playingStateCallback)
+    uut.registerCallback(Notifier.PLAYBACK_VOLUME_EVENT, volumeCallback)
+
+    assert not playingStateCalled
+    assert not volumeCalled
+
+    uut.notify(Notifier.PLAYING_STATE_EVENT)
+    assert playingStateCalled
+    assert not volumeCalled
+
+    playingStateCalled = False
+
+    uut.notify(Notifier.PLAYBACK_VOLUME_EVENT)
+    assert not playingStateCalled
+    assert volumeCalled
+
+    volumeCalled = False
+
+    uut.notify(Notifier.PLAYBACK_RATE_EVENT)
+    assert not playingStateCalled
+    assert not volumeCalled