Fixing wrong notification status when no registered pusher for the session

vector/src/main/java/im/vector/app/features/settings/devices/v2/notification/GetNotificationsStatusUseCase.kt

@@ -51,7 +51,13 @@ class GetNotificationsStatusUseCase @Inject constructor(
                                     .livePushers()
                                     .map { it.filter { pusher -> pusher.deviceId == deviceId } }
                                     .map { it.takeIf { it.isNotEmpty() }?.any { pusher -> pusher.enabled } }
-                                    .map { if (it == true) NotificationsStatus.ENABLED else NotificationsStatus.DISABLED }
+                                    .map {
+                                        when (it) {
+                                            true -> NotificationsStatus.ENABLED
+                                            false -> NotificationsStatus.DISABLED
+                                            else -> NotificationsStatus.NOT_SUPPORTED
+                                        }
+                                    }
                                     .distinctUntilChanged()
                         } else {
                             flowOf(NotificationsStatus.NOT_SUPPORTED)

vector/src/test/java/im/vector/app/features/settings/devices/v2/notification/GetNotificationsStatusUseCaseTest.kt

@@ -105,6 +105,20 @@ class GetNotificationsStatusUseCaseTest {
         result.firstOrNull() shouldBeEqualTo NotificationsStatus.ENABLED
     }
 
+    @Test
+    fun `given toggle via pusher is supported and no registered pusher when execute then resulting flow contains NOT_SUPPORTED value`() = runTest {
+        // Given
+        fakeSession.pushersService().givenPushersLive(emptyList())
+        every { fakeCheckIfCanToggleNotificationsViaAccountDataUseCase.execute(fakeSession, A_DEVICE_ID) } returns false
+        every { fakeCanToggleNotificationsViaPusherUseCase.execute(fakeSession) } returns flowOf(true)
+
+        // When
+        val result = getNotificationsStatusUseCase.execute(fakeSession, A_DEVICE_ID)
+
+        // Then
+        result.firstOrNull() shouldBeEqualTo NotificationsStatus.NOT_SUPPORTED
+    }
+
     @Test
     fun `given current session and toggle via account data is supported when execute then resulting flow contains status based on settings value`() = runTest {
         // Given