| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.car; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.car.Car; |
| import android.car.VehicleAreaType; |
| import android.car.vms.VmsAssociatedLayer; |
| import android.car.vms.VmsAvailableLayers; |
| import android.car.vms.VmsLayer; |
| import android.car.vms.VmsSubscriberManager; |
| import android.hardware.automotive.vehicle.V2_0.VehicleProperty; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropertyAccess; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropertyChangeMode; |
| import android.support.test.filters.MediumTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import com.android.car.vehiclehal.test.MockedVehicleHal; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.Semaphore; |
| import java.util.concurrent.TimeUnit; |
| |
| @RunWith(AndroidJUnit4.class) |
| @MediumTest |
| public class VmsPublisherSubscriberTest extends MockedCarTestBase { |
| private static final int LAYER_ID = 88; |
| private static final int LAYER_VERSION = 19; |
| private static final int LAYER_SUBTYPE = 55; |
| private static final String TAG = "VmsPubSubTest"; |
| |
| // The expected publisher ID is 0 since it the expected assigned ID from the VMS core. |
| public static final int EXPECTED_PUBLISHER_ID = 0; |
| public static final VmsLayer LAYER = new VmsLayer(LAYER_ID, LAYER_SUBTYPE, LAYER_VERSION); |
| public static final VmsAssociatedLayer ASSOCIATED_LAYER = |
| new VmsAssociatedLayer(LAYER, new HashSet<>(Arrays.asList(EXPECTED_PUBLISHER_ID))); |
| public static final byte[] PAYLOAD = new byte[]{2, 3, 5, 7, 11, 13, 17}; |
| |
| private static final List<VmsAssociatedLayer> AVAILABLE_ASSOCIATED_LAYERS = |
| new ArrayList<>(Arrays.asList(ASSOCIATED_LAYER)); |
| private static final VmsAvailableLayers AVAILABLE_LAYERS_WITH_SEQ = |
| new VmsAvailableLayers( |
| new HashSet(AVAILABLE_ASSOCIATED_LAYERS), 1); |
| |
| |
| private static final int SUBSCRIBED_LAYER_ID = 89; |
| public static final VmsLayer SUBSCRIBED_LAYER = |
| new VmsLayer(SUBSCRIBED_LAYER_ID, LAYER_SUBTYPE, LAYER_VERSION); |
| public static final VmsAssociatedLayer ASSOCIATED_SUBSCRIBED_LAYER = |
| new VmsAssociatedLayer(SUBSCRIBED_LAYER, |
| new HashSet<>(Arrays.asList(EXPECTED_PUBLISHER_ID))); |
| private static final List<VmsAssociatedLayer> |
| AVAILABLE_ASSOCIATED_LAYERS_WITH_SUBSCRIBED_LAYER = |
| new ArrayList<>(Arrays.asList(ASSOCIATED_LAYER, ASSOCIATED_SUBSCRIBED_LAYER)); |
| private static final VmsAvailableLayers AVAILABLE_LAYERS_WITH_SUBSCRIBED_LAYER_WITH_SEQ = |
| new VmsAvailableLayers( |
| new HashSet(AVAILABLE_ASSOCIATED_LAYERS_WITH_SUBSCRIBED_LAYER), 1); |
| VmsSubscriberManager mVmsSubscriberManager; |
| TestClientCallback mClientCallback; |
| private HalHandler mHalHandler; |
| // Used to block until a value is propagated to the TestClientCallback.onVmsMessageReceived. |
| private Semaphore mSubscriberSemaphore; |
| private Semaphore mAvailabilitySemaphore; |
| private Executor mExecutor; |
| |
| private class ThreadPerTaskExecutor implements Executor { |
| public void execute(Runnable r) { |
| new Thread(r).start(); |
| } |
| } |
| |
| |
| @Override |
| protected synchronized void configureMockedHal() { |
| mHalHandler = new HalHandler(); |
| addProperty(VehicleProperty.VEHICLE_MAP_SERVICE, mHalHandler) |
| .setChangeMode(VehiclePropertyChangeMode.ON_CHANGE) |
| .setAccess(VehiclePropertyAccess.READ_WRITE) |
| .addAreaConfig(VehicleAreaType.VEHICLE_AREA_TYPE_GLOBAL, 0, 0); |
| } |
| |
| @Override |
| protected synchronized void configureResourceOverrides(MockResources resources) { |
| resources.overrideResource(com.android.car.R.array.vmsPublisherClients, |
| new String[]{getFlattenComponent(VmsPublisherClientMockService.class)}); |
| } |
| |
| /* |
| * The method setUp initializes all the Car services, including the VmsPublisherService. |
| * The VmsPublisherService will start and configure its list of clients. This list was |
| * overridden in the method getCarServiceContext. Therefore, only VmsPublisherClientMockService |
| * will be started. Method setUp() subscribes to a layer and triggers |
| * VmsPublisherClientMockService.onVmsSubscriptionChange. |
| * There is a race condition between publisher and subscriber starting time. |
| * So we wanted to make sure that the tests start only after the publisher is up. We achieve |
| * this by subscribing in setUp() and waiting on the semaphore at the beginning of each test |
| * case. |
| */ |
| |
| @Override |
| public void setUp() throws Exception { |
| mExecutor = new ThreadPerTaskExecutor(); |
| super.setUp(); |
| mSubscriberSemaphore = new Semaphore(0); |
| mAvailabilitySemaphore = new Semaphore(0); |
| |
| mVmsSubscriberManager = (VmsSubscriberManager) getCar().getCarManager( |
| Car.VMS_SUBSCRIBER_SERVICE); |
| mClientCallback = new TestClientCallback(); |
| mVmsSubscriberManager.setVmsSubscriberClientCallback(mExecutor, mClientCallback); |
| mVmsSubscriberManager.subscribe(LAYER); |
| } |
| |
| public void postSetup() throws Exception { |
| assertTrue(mAvailabilitySemaphore.tryAcquire(2L, TimeUnit.SECONDS)); |
| } |
| |
| /* |
| * This test method subscribes to a layer and triggers |
| * VmsPublisherClientMockService.onVmsSubscriptionChange. In turn, the mock service will publish |
| * a message, which is validated in this test. |
| */ |
| |
| @Test |
| public void testPublisherToSubscriber() throws Exception { |
| postSetup(); |
| assertEquals(LAYER, mClientCallback.getLayer()); |
| assertTrue(Arrays.equals(PAYLOAD, mClientCallback.getPayload())); |
| } |
| |
| /** |
| * The Mock service will get a publisher ID by sending its information when it will get |
| * ServiceReady as well as on SubscriptionChange. Since clients are not notified when |
| * publishers are assigned IDs, this test waits until the availability is changed which |
| * indicates |
| * that the Mock service has gotten its ServiceReady and publisherId. |
| */ |
| |
| |
| @Test |
| public void testPublisherInfo() throws Exception { |
| postSetup(); |
| |
| // Inject a value and wait for its callback in TestClientCallback.onVmsMessageReceived. |
| byte[] info = mVmsSubscriberManager.getPublisherInfo(EXPECTED_PUBLISHER_ID); |
| assertTrue(Arrays.equals(PAYLOAD, info)); |
| } |
| |
| /* |
| * The Mock service offers all the subscribed layers as available layers. |
| * In this test the client subscribes to a layer and verifies that it gets the |
| * notification that it is available. |
| */ |
| |
| @Test |
| public void testAvailabilityWithSubscription() throws Exception { |
| postSetup(); |
| mVmsSubscriberManager.subscribe(SUBSCRIBED_LAYER); |
| assertTrue(mAvailabilitySemaphore.tryAcquire(2L, TimeUnit.SECONDS)); |
| |
| final Set<VmsAssociatedLayer> associatedLayers = |
| AVAILABLE_LAYERS_WITH_SUBSCRIBED_LAYER_WITH_SEQ.getAssociatedLayers(); |
| assertEquals(associatedLayers, mClientCallback.getAvailableLayers().getAssociatedLayers()); |
| assertEquals(associatedLayers, |
| mVmsSubscriberManager.getAvailableLayers().getAssociatedLayers()); |
| } |
| |
| private class HalHandler implements MockedVehicleHal.VehicleHalPropertyHandler { |
| } |
| |
| private class TestClientCallback implements VmsSubscriberManager.VmsSubscriberClientCallback { |
| private VmsLayer mLayer; |
| private byte[] mPayload; |
| private VmsAvailableLayers mAvailableLayers; |
| |
| @Override |
| public void onVmsMessageReceived(VmsLayer layer, byte[] payload) { |
| assertEquals(LAYER, layer); |
| assertTrue(Arrays.equals(PAYLOAD, payload)); |
| mLayer = layer; |
| mPayload = payload; |
| mSubscriberSemaphore.release(); |
| } |
| |
| @Override |
| public void onLayersAvailabilityChanged(VmsAvailableLayers availableLayers) { |
| mAvailableLayers = availableLayers; |
| mAvailabilitySemaphore.release(); |
| } |
| |
| public VmsLayer getLayer() { |
| return mLayer; |
| } |
| |
| public byte[] getPayload() { |
| return mPayload; |
| } |
| |
| public VmsAvailableLayers getAvailableLayers() { |
| return mAvailableLayers; |
| } |
| } |
| } |