Test call route persistence and busy outcome failure isolation

tools/chatgui-android/call-service-tests/src/test/kotlin/com/utun/chat/data/CallServiceLifecycleTest.kt

@@ -178,6 +178,29 @@ class CallServiceLifecycleTest {
         assertEquals(attempts, NativeLib.callCommands.size)
     }
 
+    @Test fun failedRoutePreferenceWriteDoesNotEscapeTheControllerScope() {
+        active(); val previous = context.configProvider.getCallAudioRoute()
+        context.configProvider.failCallRouteSave = true
+        CallController.setRoute(AudioRoute.SPEAKER); dispatcher.scheduler.runCurrent()
+        assertEquals(previous, context.configProvider.getCallAudioRoute()); assertEquals(CallPhase.ACTIVE, state?.phase)
+        diagnostic("Cannot save preferred route")
+    }
+
+    @Test fun lateRouteInputAfterEndCannotChangeNextCallPreference() {
+        active(); CallController.end(); dispatcher.scheduler.runCurrent()
+        val previous = context.configProvider.getCallAudioRoute()
+        CallController.setRoute(AudioRoute.SPEAKER); dispatcher.scheduler.runCurrent()
+        assertEquals(previous, context.configProvider.getCallAudioRoute()); diagnostic("route ignored outside active call")
+    }
+
+    @Test fun failedBusyOutcomeTranslationDoesNotSkipCallCleanupOrStateExpiry() {
+        active(); AppLanguage.failText = true
+        CallController.end(reason = 8); dispatcher.scheduler.runCurrent()
+        assertEquals(CallPhase.ENDED, state?.phase); assertFalse(power.locks.single().held)
+        diagnostic("Busy outcome notification failed")
+        dispatcher.scheduler.advanceTimeBy(2500); dispatcher.scheduler.runCurrent(); assertNull(state)
+    }
+
     @Test fun normalStartupOwnsOneLockReceiverAndForegroundBeforeAudio() {
         val service = create(); val id = request(); start(service, id)
         assertTrue(power.locks.single().held); assertFalse(power.locks.single().counted)

tools/chatgui-android/router-tests/src/main/kotlin/com/utun/chat/RouterHostApp.kt

@@ -31,6 +31,7 @@ object R {
         const val connection_indirect = 143; const val call_incoming_stop_media = 144; const val call_outgoing_stop_media = 145
         const val call_incoming_stop_radio = 146; const val call_outgoing_stop_radio = 147
         const val call_incoming_stop_stream = 148; const val call_outgoing_stop_stream = 149
+        const val call_route_save_failed = 150
         const val files_preparing = 201; const val files_transferring = 202; const val files_completed = 203
         const val files_cancelled = 204; const val files_failed = 205; const val files_replace_title = 206; const val files_saving = 207
         const val stream_resources_busy = 301; const val stream_failed = 302; const val stream_mode_restored = 303

tools/chatgui-android/router-tests/src/main/kotlin/com/utun/chat/data/RouterHostEnvironment.kt

@@ -201,8 +201,9 @@ class HostConfigProvider {
         if (failStreamSave) it.completeExceptionally(IllegalStateException("stream settings save failed")) else it.complete(Unit)
     }
     var callRoute = AudioRoute.EARPIECE
+    var failCallRouteSave = false
     fun getCallAudioRoute() = callRoute
-    suspend fun setCallAudioRoute(route: AudioRoute) { callRoute = route }
+    suspend fun setCallAudioRoute(route: AudioRoute) { check(!failCallRouteSave) { "call route settings unavailable" }; callRoute = route }
     @JvmField var radioOverlay = false
     var failOverlayWrite = false
     fun getRadioOverlay() = radioOverlay