/**
* Test method for {@link AbstractMediaRouteController#addMediaStateListener(MediaStateListener)}
* and {@link AbstractMediaRouteController#removeMediaStateListener(MediaStateListener)}
*
* <p>Makes sure that listeners gets notified when they are added and don't get notified when
* removed.
*/
@Test
@Feature({"MediaRemote"})
public void testAddRemoveMediaStateListener() {
MediaStateListener listener = mock(MediaStateListener.class);
MediaStateListener otherListener = mock(MediaStateListener.class);
MediaRouter mediaRouter = ShadowMediaRouter.createCapturingMock();
when(mediaRouter.isRouteAvailable(any(MediaRouteSelector.class), anyInt())).thenReturn(true);
ShadowMediaRouter.sMediaRouter = mediaRouter;
// Creating the MediaRouteController
AbstractMediaRouteController mediaRouteController = new DummyMediaRouteController();
assertNotNull(mediaRouteController.getMediaRouter());
// 1. #addMediaStateListener()
mediaRouteController.addMediaStateListener(listener);
// The route selector should get notified of new states.
verify(mediaRouter).addCallback(any(MediaRouteSelector.class), any(Callback.class), anyInt());
verify(listener).onRouteAvailabilityChanged(true);
// Check the behavior difference between the first and subsequent additions.
mediaRouteController.addMediaStateListener(otherListener);
verify(otherListener).onRouteAvailabilityChanged(true);
// The call count should not change.
verify(mediaRouter).addCallback(any(MediaRouteSelector.class), any(Callback.class), anyInt());
verify(listener).onRouteAvailabilityChanged(true);
// 2. #removeMediaStateListener()
mediaRouteController.removeMediaStateListener(otherListener);
// The removed listener should not be notified of changes anymore.
when(mediaRouter.isRouteAvailable(any(MediaRouteSelector.class), anyInt())).thenReturn(false);
ShadowMediaRouter.sCallback.onRouteRemoved(mediaRouter, null);
verifyNoMoreInteractions(otherListener);
verify(listener).onRouteAvailabilityChanged(false);
verify(mediaRouter, times(0)).removeCallback(any(Callback.class));
mediaRouteController.removeMediaStateListener(listener);
when(mediaRouter.isRouteAvailable(any(MediaRouteSelector.class), anyInt())).thenReturn(true);
ShadowMediaRouter.sCallback.onRouteAdded(mediaRouter, null);
verifyNoMoreInteractions(otherListener);
verifyNoMoreInteractions(listener);
verify(mediaRouter).removeCallback(any(Callback.class));
}
/**
* Test method for {@link AbstractMediaRouteController#addMediaStateListener(MediaStateListener)}
*
* <p>Tests that listeners are not used (state not initialized) when the media router is not
* initialized.
*/
@Test
@Feature({"MediaRemote"})
public void testAddMediaStateListenerInitFailed() {
MediaStateListener listener = mock(MediaStateListener.class);
AbstractMediaRouteController mediaRouteController = new DummyMediaRouteController();
mediaRouteController.addMediaStateListener(listener);
verify(listener, never()).onRouteAvailabilityChanged(anyBoolean());
}
