parse alternative metadata for route preview

Author: vadzim-vys

instrumentation-tests/src/androidTest/java/com/mapbox/navigation/instrumentation_tests/core/PreviewRoutesTest.kt

@@ -1,39 +1,25 @@
 package com.mapbox.navigation.instrumentation_tests.core
 
 import android.location.Location
-import com.mapbox.api.directions.v5.DirectionsCriteria
-import com.mapbox.api.directions.v5.models.RouteOptions
 import com.mapbox.navigation.base.options.NavigationOptions
-import com.mapbox.navigation.base.route.NavigationRoute
-import com.mapbox.navigation.base.route.RouterOrigin
 import com.mapbox.navigation.core.MapboxNavigation
 import com.mapbox.navigation.core.MapboxNavigationProvider
-import com.mapbox.navigation.core.RoutesSetError
 import com.mapbox.navigation.core.directions.session.RoutesExtra
 import com.mapbox.navigation.instrumentation_tests.activity.EmptyTestActivity
 import com.mapbox.navigation.instrumentation_tests.utils.MapboxNavigationRule
 import com.mapbox.navigation.instrumentation_tests.utils.coroutines.sdkTest
-import com.mapbox.navigation.instrumentation_tests.utils.coroutines.setNavigationRoutesAsync
-import com.mapbox.navigation.instrumentation_tests.utils.coroutines.waitForNewRoute
 import com.mapbox.navigation.instrumentation_tests.utils.coroutines.waitForPreviewRoute
-import com.mapbox.navigation.instrumentation_tests.utils.coroutines.withLogOnTimeout
 import com.mapbox.navigation.instrumentation_tests.utils.routes.RoutesProvider
 import com.mapbox.navigation.instrumentation_tests.utils.routes.RoutesProvider.toNavigationRoutes
 import com.mapbox.navigation.testing.ui.BaseTest
 import com.mapbox.navigation.testing.ui.utils.getMapboxAccessTokenFromResources
 import com.mapbox.navigation.testing.ui.utils.runOnMainSync
 import kotlinx.coroutines.async
-import kotlinx.coroutines.delay
-import org.junit.Assert
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertNotNull
-import org.junit.Assert.assertTrue
 import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
-import java.util.concurrent.TimeUnit
-import kotlin.coroutines.resume
-import kotlin.coroutines.suspendCoroutine
 
 class PreviewRoutesTest : BaseTest<EmptyTestActivity>(EmptyTestActivity::class.java) {
 
@@ -58,20 +44,23 @@ class PreviewRoutesTest : BaseTest<EmptyTestActivity>(EmptyTestActivity::class.j
     }
 
     @Test
-    fun preview_routes() = sdkTest {
-        val routes = RoutesProvider.dc_very_short(activity).toNavigationRoutes()
-        mapboxNavigation.startTripSession()
-        val routeObserverDeffer = async {
+    fun preview_routes() = sdkTest(timeout = Long.MAX_VALUE) {
+        val routes = RoutesProvider.dc_short_with_alternative(activity).toNavigationRoutes()
+        //mapboxNavigation.startTripSession() <- this breaks tests because of resetting the route
+        val previewedRouteDeffer = async {
             mapboxNavigation.waitForPreviewRoute()
         }
 
         mapboxNavigation.previewNavigationRoutes(routes)
 
-        val currentRoutes = mapboxNavigation.getNavigationRoutes()
-        val routeFromCallback = routeObserverDeffer.await()
-        assertEquals(routes, currentRoutes)
-        assertEquals(routes, routeFromCallback.navigationRoutes)
-        assertEquals(RoutesExtra.ROUTES_UPDATE_REASON_PREVIEW, routeFromCallback.reason)
+        val previewRouteUpdate = previewedRouteDeffer.await()
+        assertEquals(routes, previewRouteUpdate.navigationRoutes)
+        assertEquals(RoutesExtra.ROUTES_UPDATE_REASON_PREVIEW, previewRouteUpdate.reason)
+
+        val previewedRouteMetadata = mapboxNavigation.getAlternativeMetadataFor(
+            previewRouteUpdate.navigationRoutes[1]
+        )
+        assertNotNull(previewedRouteMetadata)
     }
 
 }

libnavigation-core/src/main/java/com/mapbox/navigation/core/MapboxNavigation.kt

@@ -838,7 +838,15 @@ class MapboxNavigation @VisibleForTesting internal constructor(
         routes: List<NavigationRoute>,
         initialLegIndex: Int = 0,
     ) {
-        //TODO: parse alternatives metadata using NN and set it route alternatives controller
+        val alternatives = routes.drop(1)
+        val routesData = RouteParser.createRoutesData(
+            routes.first().nativeRoute(),
+            alternatives.map { it.nativeRoute() }
+        )
+        routeAlternativesController.processAlternativesMetadata(
+            routes,
+            routesData.alternativeRoutes()
+        )
         directionsSession.setRoutes(routes, BasicSetRoutesInfo(RoutesExtra.ROUTES_UPDATE_REASON_PREVIEW, initialLegIndex))
     }