| /* |
| * Copyright (C) 2022 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.systemui.util.service; |
| |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| |
| import android.testing.AndroidTestingRunner; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.systemui.SysuiTestCase; |
| import com.android.systemui.util.concurrency.FakeExecutor; |
| import com.android.systemui.util.time.FakeSystemClock; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mock; |
| import org.mockito.Mockito; |
| import org.mockito.MockitoAnnotations; |
| |
| @SmallTest |
| @RunWith(AndroidTestingRunner.class) |
| public class PersistentConnectionManagerTest extends SysuiTestCase { |
| private static final int MAX_RETRIES = 5; |
| private static final int RETRY_DELAY_MS = 1000; |
| private static final int CONNECTION_MIN_DURATION_MS = 5000; |
| |
| private FakeSystemClock mFakeClock = new FakeSystemClock(); |
| private FakeExecutor mFakeExecutor = new FakeExecutor(mFakeClock); |
| |
| @Mock |
| private ObservableServiceConnection<Proxy> mConnection; |
| |
| @Mock |
| private Observer mObserver; |
| |
| private static class Proxy { |
| } |
| |
| private PersistentConnectionManager<Proxy> mConnectionManager; |
| |
| @Before |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| |
| mConnectionManager = new PersistentConnectionManager<>( |
| mFakeClock, |
| mFakeExecutor, |
| mConnection, |
| MAX_RETRIES, |
| RETRY_DELAY_MS, |
| CONNECTION_MIN_DURATION_MS, |
| mObserver); |
| } |
| |
| private ObservableServiceConnection.Callback<Proxy> captureCallbackAndSend( |
| ObservableServiceConnection<Proxy> mConnection, Proxy proxy) { |
| ArgumentCaptor<ObservableServiceConnection.Callback<Proxy>> connectionCallbackCaptor = |
| ArgumentCaptor.forClass(ObservableServiceConnection.Callback.class); |
| |
| verify(mConnection).addCallback(connectionCallbackCaptor.capture()); |
| verify(mConnection).bind(); |
| Mockito.clearInvocations(mConnection); |
| |
| final ObservableServiceConnection.Callback callback = connectionCallbackCaptor.getValue(); |
| if (proxy != null) { |
| callback.onConnected(mConnection, proxy); |
| } else { |
| callback.onDisconnected(mConnection, 0); |
| } |
| |
| return callback; |
| } |
| |
| /** |
| * Validates initial connection. |
| */ |
| @Test |
| public void testConnect() { |
| mConnectionManager.start(); |
| captureCallbackAndSend(mConnection, Mockito.mock(Proxy.class)); |
| } |
| |
| /** |
| * Ensures reconnection on disconnect. |
| */ |
| @Test |
| public void testRetryOnBindFailure() { |
| mConnectionManager.start(); |
| ArgumentCaptor<ObservableServiceConnection.Callback<Proxy>> connectionCallbackCaptor = |
| ArgumentCaptor.forClass(ObservableServiceConnection.Callback.class); |
| |
| verify(mConnection).addCallback(connectionCallbackCaptor.capture()); |
| |
| // Verify attempts happen. Note that we account for the retries plus initial attempt, which |
| // is not scheduled. |
| for (int attemptCount = 0; attemptCount < MAX_RETRIES + 1; attemptCount++) { |
| verify(mConnection).bind(); |
| Mockito.clearInvocations(mConnection); |
| connectionCallbackCaptor.getValue().onDisconnected(mConnection, 0); |
| mFakeExecutor.advanceClockToNext(); |
| mFakeExecutor.runAllReady(); |
| } |
| } |
| |
| /** |
| * Ensures manual unbind does not reconnect. |
| */ |
| @Test |
| public void testStopDoesNotReconnect() { |
| mConnectionManager.start(); |
| ArgumentCaptor<ObservableServiceConnection.Callback<Proxy>> connectionCallbackCaptor = |
| ArgumentCaptor.forClass(ObservableServiceConnection.Callback.class); |
| |
| verify(mConnection).addCallback(connectionCallbackCaptor.capture()); |
| verify(mConnection).bind(); |
| Mockito.clearInvocations(mConnection); |
| mConnectionManager.stop(); |
| mFakeExecutor.advanceClockToNext(); |
| mFakeExecutor.runAllReady(); |
| verify(mConnection, never()).bind(); |
| } |
| |
| /** |
| * Ensures rebind on package change. |
| */ |
| @Test |
| public void testAttemptOnPackageChange() { |
| mConnectionManager.start(); |
| verify(mConnection).bind(); |
| ArgumentCaptor<Observer.Callback> callbackCaptor = |
| ArgumentCaptor.forClass(Observer.Callback.class); |
| captureCallbackAndSend(mConnection, Mockito.mock(Proxy.class)); |
| |
| verify(mObserver).addCallback(callbackCaptor.capture()); |
| |
| callbackCaptor.getValue().onSourceChanged(); |
| verify(mConnection).bind(); |
| } |
| } |